10b57cec5SDimitry Andric //===-- Clang.cpp - Clang+LLVM ToolChain Implementations --------*- C++ -*-===// 20b57cec5SDimitry Andric // 30b57cec5SDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 40b57cec5SDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 50b57cec5SDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 60b57cec5SDimitry Andric // 70b57cec5SDimitry Andric //===----------------------------------------------------------------------===// 80b57cec5SDimitry Andric 90b57cec5SDimitry Andric #include "Clang.h" 105ffd83dbSDimitry Andric #include "AMDGPU.h" 110b57cec5SDimitry Andric #include "Arch/AArch64.h" 120b57cec5SDimitry Andric #include "Arch/ARM.h" 13fe6060f1SDimitry Andric #include "Arch/M68k.h" 140b57cec5SDimitry Andric #include "Arch/Mips.h" 150b57cec5SDimitry Andric #include "Arch/PPC.h" 160b57cec5SDimitry Andric #include "Arch/RISCV.h" 170b57cec5SDimitry Andric #include "Arch/Sparc.h" 180b57cec5SDimitry Andric #include "Arch/SystemZ.h" 195ffd83dbSDimitry Andric #include "Arch/VE.h" 200b57cec5SDimitry Andric #include "Arch/X86.h" 210b57cec5SDimitry Andric #include "CommonArgs.h" 220b57cec5SDimitry Andric #include "Hexagon.h" 235ffd83dbSDimitry Andric #include "MSP430.h" 240b57cec5SDimitry Andric #include "PS4CPU.h" 250b57cec5SDimitry Andric #include "clang/Basic/CharInfo.h" 26a7dea167SDimitry Andric #include "clang/Basic/CodeGenOptions.h" 270b57cec5SDimitry Andric #include "clang/Basic/LangOptions.h" 280b57cec5SDimitry Andric #include "clang/Basic/ObjCRuntime.h" 290b57cec5SDimitry Andric #include "clang/Basic/Version.h" 300b57cec5SDimitry Andric #include "clang/Driver/Distro.h" 310b57cec5SDimitry Andric #include "clang/Driver/DriverDiagnostic.h" 32fe6060f1SDimitry Andric #include "clang/Driver/InputInfo.h" 330b57cec5SDimitry Andric #include "clang/Driver/Options.h" 340b57cec5SDimitry Andric #include "clang/Driver/SanitizerArgs.h" 350b57cec5SDimitry Andric #include "clang/Driver/XRayArgs.h" 360b57cec5SDimitry Andric #include "llvm/ADT/StringExtras.h" 370b57cec5SDimitry Andric #include "llvm/Config/llvm-config.h" 380b57cec5SDimitry Andric #include "llvm/Option/ArgList.h" 390b57cec5SDimitry Andric #include "llvm/Support/CodeGen.h" 405ffd83dbSDimitry Andric #include "llvm/Support/Compiler.h" 410b57cec5SDimitry Andric #include "llvm/Support/Compression.h" 420b57cec5SDimitry Andric #include "llvm/Support/FileSystem.h" 43e8d8bef9SDimitry Andric #include "llvm/Support/Host.h" 440b57cec5SDimitry Andric #include "llvm/Support/Path.h" 450b57cec5SDimitry Andric #include "llvm/Support/Process.h" 460b57cec5SDimitry Andric #include "llvm/Support/TargetParser.h" 470b57cec5SDimitry Andric #include "llvm/Support/YAMLParser.h" 480b57cec5SDimitry Andric 490b57cec5SDimitry Andric using namespace clang::driver; 500b57cec5SDimitry Andric using namespace clang::driver::tools; 510b57cec5SDimitry Andric using namespace clang; 520b57cec5SDimitry Andric using namespace llvm::opt; 530b57cec5SDimitry Andric 540b57cec5SDimitry Andric static void CheckPreprocessingOptions(const Driver &D, const ArgList &Args) { 55fe6060f1SDimitry Andric if (Arg *A = Args.getLastArg(clang::driver::options::OPT_C, options::OPT_CC, 56fe6060f1SDimitry Andric options::OPT_fminimize_whitespace, 57fe6060f1SDimitry Andric options::OPT_fno_minimize_whitespace)) { 580b57cec5SDimitry Andric if (!Args.hasArg(options::OPT_E) && !Args.hasArg(options::OPT__SLASH_P) && 590b57cec5SDimitry Andric !Args.hasArg(options::OPT__SLASH_EP) && !D.CCCIsCPP()) { 600b57cec5SDimitry Andric D.Diag(clang::diag::err_drv_argument_only_allowed_with) 610b57cec5SDimitry Andric << A->getBaseArg().getAsString(Args) 620b57cec5SDimitry Andric << (D.IsCLMode() ? "/E, /P or /EP" : "-E"); 630b57cec5SDimitry Andric } 640b57cec5SDimitry Andric } 650b57cec5SDimitry Andric } 660b57cec5SDimitry Andric 670b57cec5SDimitry Andric static void CheckCodeGenerationOptions(const Driver &D, const ArgList &Args) { 680b57cec5SDimitry Andric // In gcc, only ARM checks this, but it seems reasonable to check universally. 690b57cec5SDimitry Andric if (Args.hasArg(options::OPT_static)) 700b57cec5SDimitry Andric if (const Arg *A = 710b57cec5SDimitry Andric Args.getLastArg(options::OPT_dynamic, options::OPT_mdynamic_no_pic)) 720b57cec5SDimitry Andric D.Diag(diag::err_drv_argument_not_allowed_with) << A->getAsString(Args) 730b57cec5SDimitry Andric << "-static"; 740b57cec5SDimitry Andric } 750b57cec5SDimitry Andric 760b57cec5SDimitry Andric // Add backslashes to escape spaces and other backslashes. 770b57cec5SDimitry Andric // This is used for the space-separated argument list specified with 780b57cec5SDimitry Andric // the -dwarf-debug-flags option. 790b57cec5SDimitry Andric static void EscapeSpacesAndBackslashes(const char *Arg, 800b57cec5SDimitry Andric SmallVectorImpl<char> &Res) { 810b57cec5SDimitry Andric for (; *Arg; ++Arg) { 820b57cec5SDimitry Andric switch (*Arg) { 830b57cec5SDimitry Andric default: 840b57cec5SDimitry Andric break; 850b57cec5SDimitry Andric case ' ': 860b57cec5SDimitry Andric case '\\': 870b57cec5SDimitry Andric Res.push_back('\\'); 880b57cec5SDimitry Andric break; 890b57cec5SDimitry Andric } 900b57cec5SDimitry Andric Res.push_back(*Arg); 910b57cec5SDimitry Andric } 920b57cec5SDimitry Andric } 930b57cec5SDimitry Andric 940b57cec5SDimitry Andric // Quote target names for inclusion in GNU Make dependency files. 950b57cec5SDimitry Andric // Only the characters '$', '#', ' ', '\t' are quoted. 960b57cec5SDimitry Andric static void QuoteTarget(StringRef Target, SmallVectorImpl<char> &Res) { 970b57cec5SDimitry Andric for (unsigned i = 0, e = Target.size(); i != e; ++i) { 980b57cec5SDimitry Andric switch (Target[i]) { 990b57cec5SDimitry Andric case ' ': 1000b57cec5SDimitry Andric case '\t': 1010b57cec5SDimitry Andric // Escape the preceding backslashes 1020b57cec5SDimitry Andric for (int j = i - 1; j >= 0 && Target[j] == '\\'; --j) 1030b57cec5SDimitry Andric Res.push_back('\\'); 1040b57cec5SDimitry Andric 1050b57cec5SDimitry Andric // Escape the space/tab 1060b57cec5SDimitry Andric Res.push_back('\\'); 1070b57cec5SDimitry Andric break; 1080b57cec5SDimitry Andric case '$': 1090b57cec5SDimitry Andric Res.push_back('$'); 1100b57cec5SDimitry Andric break; 1110b57cec5SDimitry Andric case '#': 1120b57cec5SDimitry Andric Res.push_back('\\'); 1130b57cec5SDimitry Andric break; 1140b57cec5SDimitry Andric default: 1150b57cec5SDimitry Andric break; 1160b57cec5SDimitry Andric } 1170b57cec5SDimitry Andric 1180b57cec5SDimitry Andric Res.push_back(Target[i]); 1190b57cec5SDimitry Andric } 1200b57cec5SDimitry Andric } 1210b57cec5SDimitry Andric 1220b57cec5SDimitry Andric /// Apply \a Work on the current tool chain \a RegularToolChain and any other 1230b57cec5SDimitry Andric /// offloading tool chain that is associated with the current action \a JA. 1240b57cec5SDimitry Andric static void 1250b57cec5SDimitry Andric forAllAssociatedToolChains(Compilation &C, const JobAction &JA, 1260b57cec5SDimitry Andric const ToolChain &RegularToolChain, 1270b57cec5SDimitry Andric llvm::function_ref<void(const ToolChain &)> Work) { 1280b57cec5SDimitry Andric // Apply Work on the current/regular tool chain. 1290b57cec5SDimitry Andric Work(RegularToolChain); 1300b57cec5SDimitry Andric 1310b57cec5SDimitry Andric // Apply Work on all the offloading tool chains associated with the current 1320b57cec5SDimitry Andric // action. 1330b57cec5SDimitry Andric if (JA.isHostOffloading(Action::OFK_Cuda)) 1340b57cec5SDimitry Andric Work(*C.getSingleOffloadToolChain<Action::OFK_Cuda>()); 1350b57cec5SDimitry Andric else if (JA.isDeviceOffloading(Action::OFK_Cuda)) 1360b57cec5SDimitry Andric Work(*C.getSingleOffloadToolChain<Action::OFK_Host>()); 1370b57cec5SDimitry Andric else if (JA.isHostOffloading(Action::OFK_HIP)) 1380b57cec5SDimitry Andric Work(*C.getSingleOffloadToolChain<Action::OFK_HIP>()); 1390b57cec5SDimitry Andric else if (JA.isDeviceOffloading(Action::OFK_HIP)) 1400b57cec5SDimitry Andric Work(*C.getSingleOffloadToolChain<Action::OFK_Host>()); 1410b57cec5SDimitry Andric 1420b57cec5SDimitry Andric if (JA.isHostOffloading(Action::OFK_OpenMP)) { 1430b57cec5SDimitry Andric auto TCs = C.getOffloadToolChains<Action::OFK_OpenMP>(); 1440b57cec5SDimitry Andric for (auto II = TCs.first, IE = TCs.second; II != IE; ++II) 1450b57cec5SDimitry Andric Work(*II->second); 1460b57cec5SDimitry Andric } else if (JA.isDeviceOffloading(Action::OFK_OpenMP)) 1470b57cec5SDimitry Andric Work(*C.getSingleOffloadToolChain<Action::OFK_Host>()); 1480b57cec5SDimitry Andric 1490b57cec5SDimitry Andric // 1500b57cec5SDimitry Andric // TODO: Add support for other offloading programming models here. 1510b57cec5SDimitry Andric // 1520b57cec5SDimitry Andric } 1530b57cec5SDimitry Andric 1540b57cec5SDimitry Andric /// This is a helper function for validating the optional refinement step 1550b57cec5SDimitry Andric /// parameter in reciprocal argument strings. Return false if there is an error 1560b57cec5SDimitry Andric /// parsing the refinement step. Otherwise, return true and set the Position 1570b57cec5SDimitry Andric /// of the refinement step in the input string. 1580b57cec5SDimitry Andric static bool getRefinementStep(StringRef In, const Driver &D, 1590b57cec5SDimitry Andric const Arg &A, size_t &Position) { 1600b57cec5SDimitry Andric const char RefinementStepToken = ':'; 1610b57cec5SDimitry Andric Position = In.find(RefinementStepToken); 1620b57cec5SDimitry Andric if (Position != StringRef::npos) { 1630b57cec5SDimitry Andric StringRef Option = A.getOption().getName(); 1640b57cec5SDimitry Andric StringRef RefStep = In.substr(Position + 1); 1650b57cec5SDimitry Andric // Allow exactly one numeric character for the additional refinement 1660b57cec5SDimitry Andric // step parameter. This is reasonable for all currently-supported 1670b57cec5SDimitry Andric // operations and architectures because we would expect that a larger value 1680b57cec5SDimitry Andric // of refinement steps would cause the estimate "optimization" to 1690b57cec5SDimitry Andric // under-perform the native operation. Also, if the estimate does not 1700b57cec5SDimitry Andric // converge quickly, it probably will not ever converge, so further 1710b57cec5SDimitry Andric // refinement steps will not produce a better answer. 1720b57cec5SDimitry Andric if (RefStep.size() != 1) { 1730b57cec5SDimitry Andric D.Diag(diag::err_drv_invalid_value) << Option << RefStep; 1740b57cec5SDimitry Andric return false; 1750b57cec5SDimitry Andric } 1760b57cec5SDimitry Andric char RefStepChar = RefStep[0]; 1770b57cec5SDimitry Andric if (RefStepChar < '0' || RefStepChar > '9') { 1780b57cec5SDimitry Andric D.Diag(diag::err_drv_invalid_value) << Option << RefStep; 1790b57cec5SDimitry Andric return false; 1800b57cec5SDimitry Andric } 1810b57cec5SDimitry Andric } 1820b57cec5SDimitry Andric return true; 1830b57cec5SDimitry Andric } 1840b57cec5SDimitry Andric 1850b57cec5SDimitry Andric /// The -mrecip flag requires processing of many optional parameters. 1860b57cec5SDimitry Andric static void ParseMRecip(const Driver &D, const ArgList &Args, 1870b57cec5SDimitry Andric ArgStringList &OutStrings) { 1880b57cec5SDimitry Andric StringRef DisabledPrefixIn = "!"; 1890b57cec5SDimitry Andric StringRef DisabledPrefixOut = "!"; 1900b57cec5SDimitry Andric StringRef EnabledPrefixOut = ""; 1910b57cec5SDimitry Andric StringRef Out = "-mrecip="; 1920b57cec5SDimitry Andric 1930b57cec5SDimitry Andric Arg *A = Args.getLastArg(options::OPT_mrecip, options::OPT_mrecip_EQ); 1940b57cec5SDimitry Andric if (!A) 1950b57cec5SDimitry Andric return; 1960b57cec5SDimitry Andric 1970b57cec5SDimitry Andric unsigned NumOptions = A->getNumValues(); 1980b57cec5SDimitry Andric if (NumOptions == 0) { 1990b57cec5SDimitry Andric // No option is the same as "all". 2000b57cec5SDimitry Andric OutStrings.push_back(Args.MakeArgString(Out + "all")); 2010b57cec5SDimitry Andric return; 2020b57cec5SDimitry Andric } 2030b57cec5SDimitry Andric 2040b57cec5SDimitry Andric // Pass through "all", "none", or "default" with an optional refinement step. 2050b57cec5SDimitry Andric if (NumOptions == 1) { 2060b57cec5SDimitry Andric StringRef Val = A->getValue(0); 2070b57cec5SDimitry Andric size_t RefStepLoc; 2080b57cec5SDimitry Andric if (!getRefinementStep(Val, D, *A, RefStepLoc)) 2090b57cec5SDimitry Andric return; 2100b57cec5SDimitry Andric StringRef ValBase = Val.slice(0, RefStepLoc); 2110b57cec5SDimitry Andric if (ValBase == "all" || ValBase == "none" || ValBase == "default") { 2120b57cec5SDimitry Andric OutStrings.push_back(Args.MakeArgString(Out + Val)); 2130b57cec5SDimitry Andric return; 2140b57cec5SDimitry Andric } 2150b57cec5SDimitry Andric } 2160b57cec5SDimitry Andric 2170b57cec5SDimitry Andric // Each reciprocal type may be enabled or disabled individually. 2180b57cec5SDimitry Andric // Check each input value for validity, concatenate them all back together, 2190b57cec5SDimitry Andric // and pass through. 2200b57cec5SDimitry Andric 2210b57cec5SDimitry Andric llvm::StringMap<bool> OptionStrings; 2220b57cec5SDimitry Andric OptionStrings.insert(std::make_pair("divd", false)); 2230b57cec5SDimitry Andric OptionStrings.insert(std::make_pair("divf", false)); 2240b57cec5SDimitry Andric OptionStrings.insert(std::make_pair("vec-divd", false)); 2250b57cec5SDimitry Andric OptionStrings.insert(std::make_pair("vec-divf", false)); 2260b57cec5SDimitry Andric OptionStrings.insert(std::make_pair("sqrtd", false)); 2270b57cec5SDimitry Andric OptionStrings.insert(std::make_pair("sqrtf", false)); 2280b57cec5SDimitry Andric OptionStrings.insert(std::make_pair("vec-sqrtd", false)); 2290b57cec5SDimitry Andric OptionStrings.insert(std::make_pair("vec-sqrtf", false)); 2300b57cec5SDimitry Andric 2310b57cec5SDimitry Andric for (unsigned i = 0; i != NumOptions; ++i) { 2320b57cec5SDimitry Andric StringRef Val = A->getValue(i); 2330b57cec5SDimitry Andric 2340b57cec5SDimitry Andric bool IsDisabled = Val.startswith(DisabledPrefixIn); 2350b57cec5SDimitry Andric // Ignore the disablement token for string matching. 2360b57cec5SDimitry Andric if (IsDisabled) 2370b57cec5SDimitry Andric Val = Val.substr(1); 2380b57cec5SDimitry Andric 2390b57cec5SDimitry Andric size_t RefStep; 2400b57cec5SDimitry Andric if (!getRefinementStep(Val, D, *A, RefStep)) 2410b57cec5SDimitry Andric return; 2420b57cec5SDimitry Andric 2430b57cec5SDimitry Andric StringRef ValBase = Val.slice(0, RefStep); 2440b57cec5SDimitry Andric llvm::StringMap<bool>::iterator OptionIter = OptionStrings.find(ValBase); 2450b57cec5SDimitry Andric if (OptionIter == OptionStrings.end()) { 2460b57cec5SDimitry Andric // Try again specifying float suffix. 2470b57cec5SDimitry Andric OptionIter = OptionStrings.find(ValBase.str() + 'f'); 2480b57cec5SDimitry Andric if (OptionIter == OptionStrings.end()) { 2490b57cec5SDimitry Andric // The input name did not match any known option string. 2500b57cec5SDimitry Andric D.Diag(diag::err_drv_unknown_argument) << Val; 2510b57cec5SDimitry Andric return; 2520b57cec5SDimitry Andric } 2530b57cec5SDimitry Andric // The option was specified without a float or double suffix. 2540b57cec5SDimitry Andric // Make sure that the double entry was not already specified. 2550b57cec5SDimitry Andric // The float entry will be checked below. 2560b57cec5SDimitry Andric if (OptionStrings[ValBase.str() + 'd']) { 2570b57cec5SDimitry Andric D.Diag(diag::err_drv_invalid_value) << A->getOption().getName() << Val; 2580b57cec5SDimitry Andric return; 2590b57cec5SDimitry Andric } 2600b57cec5SDimitry Andric } 2610b57cec5SDimitry Andric 2620b57cec5SDimitry Andric if (OptionIter->second == true) { 2630b57cec5SDimitry Andric // Duplicate option specified. 2640b57cec5SDimitry Andric D.Diag(diag::err_drv_invalid_value) << A->getOption().getName() << Val; 2650b57cec5SDimitry Andric return; 2660b57cec5SDimitry Andric } 2670b57cec5SDimitry Andric 2680b57cec5SDimitry Andric // Mark the matched option as found. Do not allow duplicate specifiers. 2690b57cec5SDimitry Andric OptionIter->second = true; 2700b57cec5SDimitry Andric 2710b57cec5SDimitry Andric // If the precision was not specified, also mark the double entry as found. 2720b57cec5SDimitry Andric if (ValBase.back() != 'f' && ValBase.back() != 'd') 2730b57cec5SDimitry Andric OptionStrings[ValBase.str() + 'd'] = true; 2740b57cec5SDimitry Andric 2750b57cec5SDimitry Andric // Build the output string. 2760b57cec5SDimitry Andric StringRef Prefix = IsDisabled ? DisabledPrefixOut : EnabledPrefixOut; 2770b57cec5SDimitry Andric Out = Args.MakeArgString(Out + Prefix + Val); 2780b57cec5SDimitry Andric if (i != NumOptions - 1) 2790b57cec5SDimitry Andric Out = Args.MakeArgString(Out + ","); 2800b57cec5SDimitry Andric } 2810b57cec5SDimitry Andric 2820b57cec5SDimitry Andric OutStrings.push_back(Args.MakeArgString(Out)); 2830b57cec5SDimitry Andric } 2840b57cec5SDimitry Andric 2850b57cec5SDimitry Andric /// The -mprefer-vector-width option accepts either a positive integer 2860b57cec5SDimitry Andric /// or the string "none". 2870b57cec5SDimitry Andric static void ParseMPreferVectorWidth(const Driver &D, const ArgList &Args, 2880b57cec5SDimitry Andric ArgStringList &CmdArgs) { 2890b57cec5SDimitry Andric Arg *A = Args.getLastArg(options::OPT_mprefer_vector_width_EQ); 2900b57cec5SDimitry Andric if (!A) 2910b57cec5SDimitry Andric return; 2920b57cec5SDimitry Andric 2930b57cec5SDimitry Andric StringRef Value = A->getValue(); 2940b57cec5SDimitry Andric if (Value == "none") { 2950b57cec5SDimitry Andric CmdArgs.push_back("-mprefer-vector-width=none"); 2960b57cec5SDimitry Andric } else { 2970b57cec5SDimitry Andric unsigned Width; 2980b57cec5SDimitry Andric if (Value.getAsInteger(10, Width)) { 2990b57cec5SDimitry Andric D.Diag(diag::err_drv_invalid_value) << A->getOption().getName() << Value; 3000b57cec5SDimitry Andric return; 3010b57cec5SDimitry Andric } 3020b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-mprefer-vector-width=" + Value)); 3030b57cec5SDimitry Andric } 3040b57cec5SDimitry Andric } 3050b57cec5SDimitry Andric 306480093f4SDimitry Andric static void getWebAssemblyTargetFeatures(const ArgList &Args, 307480093f4SDimitry Andric std::vector<StringRef> &Features) { 308480093f4SDimitry Andric handleTargetFeaturesGroup(Args, Features, options::OPT_m_wasm_Features_Group); 309480093f4SDimitry Andric } 310480093f4SDimitry Andric 3115ffd83dbSDimitry Andric static void getTargetFeatures(const Driver &D, const llvm::Triple &Triple, 312480093f4SDimitry Andric const ArgList &Args, ArgStringList &CmdArgs, 3135ffd83dbSDimitry Andric bool ForAS, bool IsAux = false) { 314480093f4SDimitry Andric std::vector<StringRef> Features; 315480093f4SDimitry Andric switch (Triple.getArch()) { 316480093f4SDimitry Andric default: 317480093f4SDimitry Andric break; 318480093f4SDimitry Andric case llvm::Triple::mips: 319480093f4SDimitry Andric case llvm::Triple::mipsel: 320480093f4SDimitry Andric case llvm::Triple::mips64: 321480093f4SDimitry Andric case llvm::Triple::mips64el: 322480093f4SDimitry Andric mips::getMIPSTargetFeatures(D, Triple, Args, Features); 323480093f4SDimitry Andric break; 324480093f4SDimitry Andric 325480093f4SDimitry Andric case llvm::Triple::arm: 326480093f4SDimitry Andric case llvm::Triple::armeb: 327480093f4SDimitry Andric case llvm::Triple::thumb: 328480093f4SDimitry Andric case llvm::Triple::thumbeb: 3295ffd83dbSDimitry Andric arm::getARMTargetFeatures(D, Triple, Args, CmdArgs, Features, ForAS); 330480093f4SDimitry Andric break; 331480093f4SDimitry Andric 332480093f4SDimitry Andric case llvm::Triple::ppc: 333e8d8bef9SDimitry Andric case llvm::Triple::ppcle: 334480093f4SDimitry Andric case llvm::Triple::ppc64: 335480093f4SDimitry Andric case llvm::Triple::ppc64le: 336480093f4SDimitry Andric ppc::getPPCTargetFeatures(D, Triple, Args, Features); 337480093f4SDimitry Andric break; 338480093f4SDimitry Andric case llvm::Triple::riscv32: 339480093f4SDimitry Andric case llvm::Triple::riscv64: 340480093f4SDimitry Andric riscv::getRISCVTargetFeatures(D, Triple, Args, Features); 341480093f4SDimitry Andric break; 342480093f4SDimitry Andric case llvm::Triple::systemz: 3435ffd83dbSDimitry Andric systemz::getSystemZTargetFeatures(D, Args, Features); 344480093f4SDimitry Andric break; 345480093f4SDimitry Andric case llvm::Triple::aarch64: 346480093f4SDimitry Andric case llvm::Triple::aarch64_32: 347480093f4SDimitry Andric case llvm::Triple::aarch64_be: 348fe6060f1SDimitry Andric aarch64::getAArch64TargetFeatures(D, Triple, Args, Features, ForAS); 349480093f4SDimitry Andric break; 350480093f4SDimitry Andric case llvm::Triple::x86: 351480093f4SDimitry Andric case llvm::Triple::x86_64: 352480093f4SDimitry Andric x86::getX86TargetFeatures(D, Triple, Args, Features); 353480093f4SDimitry Andric break; 354480093f4SDimitry Andric case llvm::Triple::hexagon: 355480093f4SDimitry Andric hexagon::getHexagonTargetFeatures(D, Args, Features); 356480093f4SDimitry Andric break; 357480093f4SDimitry Andric case llvm::Triple::wasm32: 358480093f4SDimitry Andric case llvm::Triple::wasm64: 359480093f4SDimitry Andric getWebAssemblyTargetFeatures(Args, Features); 360480093f4SDimitry Andric break; 361480093f4SDimitry Andric case llvm::Triple::sparc: 362480093f4SDimitry Andric case llvm::Triple::sparcel: 363480093f4SDimitry Andric case llvm::Triple::sparcv9: 364480093f4SDimitry Andric sparc::getSparcTargetFeatures(D, Args, Features); 365480093f4SDimitry Andric break; 366480093f4SDimitry Andric case llvm::Triple::r600: 367480093f4SDimitry Andric case llvm::Triple::amdgcn: 368e8d8bef9SDimitry Andric amdgpu::getAMDGPUTargetFeatures(D, Triple, Args, Features); 369480093f4SDimitry Andric break; 370fe6060f1SDimitry Andric case llvm::Triple::m68k: 371fe6060f1SDimitry Andric m68k::getM68kTargetFeatures(D, Triple, Args, Features); 372fe6060f1SDimitry Andric break; 373480093f4SDimitry Andric case llvm::Triple::msp430: 374480093f4SDimitry Andric msp430::getMSP430TargetFeatures(D, Args, Features); 3755ffd83dbSDimitry Andric break; 3765ffd83dbSDimitry Andric case llvm::Triple::ve: 3775ffd83dbSDimitry Andric ve::getVETargetFeatures(D, Args, Features); 378fe6060f1SDimitry Andric break; 379480093f4SDimitry Andric } 380480093f4SDimitry Andric 3815ffd83dbSDimitry Andric for (auto Feature : unifyTargetFeatures(Features)) { 3825ffd83dbSDimitry Andric CmdArgs.push_back(IsAux ? "-aux-target-feature" : "-target-feature"); 3835ffd83dbSDimitry Andric CmdArgs.push_back(Feature.data()); 384480093f4SDimitry Andric } 385480093f4SDimitry Andric } 386480093f4SDimitry Andric 3870b57cec5SDimitry Andric static bool 3880b57cec5SDimitry Andric shouldUseExceptionTablesForObjCExceptions(const ObjCRuntime &runtime, 3890b57cec5SDimitry Andric const llvm::Triple &Triple) { 3900b57cec5SDimitry Andric // We use the zero-cost exception tables for Objective-C if the non-fragile 3910b57cec5SDimitry Andric // ABI is enabled or when compiling for x86_64 and ARM on Snow Leopard and 3920b57cec5SDimitry Andric // later. 3930b57cec5SDimitry Andric if (runtime.isNonFragile()) 3940b57cec5SDimitry Andric return true; 3950b57cec5SDimitry Andric 3960b57cec5SDimitry Andric if (!Triple.isMacOSX()) 3970b57cec5SDimitry Andric return false; 3980b57cec5SDimitry Andric 3990b57cec5SDimitry Andric return (!Triple.isMacOSXVersionLT(10, 5) && 4000b57cec5SDimitry Andric (Triple.getArch() == llvm::Triple::x86_64 || 4010b57cec5SDimitry Andric Triple.getArch() == llvm::Triple::arm)); 4020b57cec5SDimitry Andric } 4030b57cec5SDimitry Andric 4040b57cec5SDimitry Andric /// Adds exception related arguments to the driver command arguments. There's a 4050b57cec5SDimitry Andric /// master flag, -fexceptions and also language specific flags to enable/disable 4060b57cec5SDimitry Andric /// C++ and Objective-C exceptions. This makes it possible to for example 4070b57cec5SDimitry Andric /// disable C++ exceptions but enable Objective-C exceptions. 408fe6060f1SDimitry Andric static bool addExceptionArgs(const ArgList &Args, types::ID InputType, 4090b57cec5SDimitry Andric const ToolChain &TC, bool KernelOrKext, 4100b57cec5SDimitry Andric const ObjCRuntime &objcRuntime, 4110b57cec5SDimitry Andric ArgStringList &CmdArgs) { 4120b57cec5SDimitry Andric const llvm::Triple &Triple = TC.getTriple(); 4130b57cec5SDimitry Andric 4140b57cec5SDimitry Andric if (KernelOrKext) { 4150b57cec5SDimitry Andric // -mkernel and -fapple-kext imply no exceptions, so claim exception related 4160b57cec5SDimitry Andric // arguments now to avoid warnings about unused arguments. 4170b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_fexceptions); 4180b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_fno_exceptions); 4190b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_fobjc_exceptions); 4200b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_fno_objc_exceptions); 4210b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_fcxx_exceptions); 4220b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_fno_cxx_exceptions); 423fe6060f1SDimitry Andric Args.ClaimAllArgs(options::OPT_fasync_exceptions); 424fe6060f1SDimitry Andric Args.ClaimAllArgs(options::OPT_fno_async_exceptions); 425fe6060f1SDimitry Andric return false; 4260b57cec5SDimitry Andric } 4270b57cec5SDimitry Andric 4280b57cec5SDimitry Andric // See if the user explicitly enabled exceptions. 4290b57cec5SDimitry Andric bool EH = Args.hasFlag(options::OPT_fexceptions, options::OPT_fno_exceptions, 4300b57cec5SDimitry Andric false); 4310b57cec5SDimitry Andric 432fe6060f1SDimitry Andric bool EHa = Args.hasFlag(options::OPT_fasync_exceptions, 433fe6060f1SDimitry Andric options::OPT_fno_async_exceptions, false); 434fe6060f1SDimitry Andric if (EHa) { 435fe6060f1SDimitry Andric CmdArgs.push_back("-fasync-exceptions"); 436fe6060f1SDimitry Andric EH = true; 437fe6060f1SDimitry Andric } 438fe6060f1SDimitry Andric 4390b57cec5SDimitry Andric // Obj-C exceptions are enabled by default, regardless of -fexceptions. This 4400b57cec5SDimitry Andric // is not necessarily sensible, but follows GCC. 4410b57cec5SDimitry Andric if (types::isObjC(InputType) && 4420b57cec5SDimitry Andric Args.hasFlag(options::OPT_fobjc_exceptions, 4430b57cec5SDimitry Andric options::OPT_fno_objc_exceptions, true)) { 4440b57cec5SDimitry Andric CmdArgs.push_back("-fobjc-exceptions"); 4450b57cec5SDimitry Andric 4460b57cec5SDimitry Andric EH |= shouldUseExceptionTablesForObjCExceptions(objcRuntime, Triple); 4470b57cec5SDimitry Andric } 4480b57cec5SDimitry Andric 4490b57cec5SDimitry Andric if (types::isCXX(InputType)) { 4500b57cec5SDimitry Andric // Disable C++ EH by default on XCore and PS4. 4510b57cec5SDimitry Andric bool CXXExceptionsEnabled = 4520b57cec5SDimitry Andric Triple.getArch() != llvm::Triple::xcore && !Triple.isPS4CPU(); 4530b57cec5SDimitry Andric Arg *ExceptionArg = Args.getLastArg( 4540b57cec5SDimitry Andric options::OPT_fcxx_exceptions, options::OPT_fno_cxx_exceptions, 4550b57cec5SDimitry Andric options::OPT_fexceptions, options::OPT_fno_exceptions); 4560b57cec5SDimitry Andric if (ExceptionArg) 4570b57cec5SDimitry Andric CXXExceptionsEnabled = 4580b57cec5SDimitry Andric ExceptionArg->getOption().matches(options::OPT_fcxx_exceptions) || 4590b57cec5SDimitry Andric ExceptionArg->getOption().matches(options::OPT_fexceptions); 4600b57cec5SDimitry Andric 4610b57cec5SDimitry Andric if (CXXExceptionsEnabled) { 4620b57cec5SDimitry Andric CmdArgs.push_back("-fcxx-exceptions"); 4630b57cec5SDimitry Andric 4640b57cec5SDimitry Andric EH = true; 4650b57cec5SDimitry Andric } 4660b57cec5SDimitry Andric } 4670b57cec5SDimitry Andric 4685ffd83dbSDimitry Andric // OPT_fignore_exceptions means exception could still be thrown, 4695ffd83dbSDimitry Andric // but no clean up or catch would happen in current module. 4705ffd83dbSDimitry Andric // So we do not set EH to false. 4715ffd83dbSDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fignore_exceptions); 4725ffd83dbSDimitry Andric 4730b57cec5SDimitry Andric if (EH) 4740b57cec5SDimitry Andric CmdArgs.push_back("-fexceptions"); 475fe6060f1SDimitry Andric return EH; 4760b57cec5SDimitry Andric } 4770b57cec5SDimitry Andric 478480093f4SDimitry Andric static bool ShouldEnableAutolink(const ArgList &Args, const ToolChain &TC, 479480093f4SDimitry Andric const JobAction &JA) { 4800b57cec5SDimitry Andric bool Default = true; 4810b57cec5SDimitry Andric if (TC.getTriple().isOSDarwin()) { 4820b57cec5SDimitry Andric // The native darwin assembler doesn't support the linker_option directives, 4830b57cec5SDimitry Andric // so we disable them if we think the .s file will be passed to it. 4840b57cec5SDimitry Andric Default = TC.useIntegratedAs(); 4850b57cec5SDimitry Andric } 486480093f4SDimitry Andric // The linker_option directives are intended for host compilation. 487480093f4SDimitry Andric if (JA.isDeviceOffloading(Action::OFK_Cuda) || 488480093f4SDimitry Andric JA.isDeviceOffloading(Action::OFK_HIP)) 489480093f4SDimitry Andric Default = false; 490480093f4SDimitry Andric return Args.hasFlag(options::OPT_fautolink, options::OPT_fno_autolink, 4910b57cec5SDimitry Andric Default); 4920b57cec5SDimitry Andric } 4930b57cec5SDimitry Andric 4940b57cec5SDimitry Andric // Convert an arg of the form "-gN" or "-ggdbN" or one of their aliases 4950b57cec5SDimitry Andric // to the corresponding DebugInfoKind. 4960b57cec5SDimitry Andric static codegenoptions::DebugInfoKind DebugLevelToInfoKind(const Arg &A) { 4970b57cec5SDimitry Andric assert(A.getOption().matches(options::OPT_gN_Group) && 4980b57cec5SDimitry Andric "Not a -g option that specifies a debug-info level"); 4990b57cec5SDimitry Andric if (A.getOption().matches(options::OPT_g0) || 5000b57cec5SDimitry Andric A.getOption().matches(options::OPT_ggdb0)) 5010b57cec5SDimitry Andric return codegenoptions::NoDebugInfo; 5020b57cec5SDimitry Andric if (A.getOption().matches(options::OPT_gline_tables_only) || 5030b57cec5SDimitry Andric A.getOption().matches(options::OPT_ggdb1)) 5040b57cec5SDimitry Andric return codegenoptions::DebugLineTablesOnly; 5050b57cec5SDimitry Andric if (A.getOption().matches(options::OPT_gline_directives_only)) 5060b57cec5SDimitry Andric return codegenoptions::DebugDirectivesOnly; 507fe6060f1SDimitry Andric return codegenoptions::DebugInfoConstructor; 5080b57cec5SDimitry Andric } 5090b57cec5SDimitry Andric 5100b57cec5SDimitry Andric static bool mustUseNonLeafFramePointerForTarget(const llvm::Triple &Triple) { 5110b57cec5SDimitry Andric switch (Triple.getArch()){ 5120b57cec5SDimitry Andric default: 5130b57cec5SDimitry Andric return false; 5140b57cec5SDimitry Andric case llvm::Triple::arm: 5150b57cec5SDimitry Andric case llvm::Triple::thumb: 5160b57cec5SDimitry Andric // ARM Darwin targets require a frame pointer to be always present to aid 5170b57cec5SDimitry Andric // offline debugging via backtraces. 5180b57cec5SDimitry Andric return Triple.isOSDarwin(); 5190b57cec5SDimitry Andric } 5200b57cec5SDimitry Andric } 5210b57cec5SDimitry Andric 5220b57cec5SDimitry Andric static bool useFramePointerForTargetByDefault(const ArgList &Args, 5230b57cec5SDimitry Andric const llvm::Triple &Triple) { 5245ffd83dbSDimitry Andric if (Args.hasArg(options::OPT_pg) && !Args.hasArg(options::OPT_mfentry)) 525a7dea167SDimitry Andric return true; 526a7dea167SDimitry Andric 5270b57cec5SDimitry Andric switch (Triple.getArch()) { 5280b57cec5SDimitry Andric case llvm::Triple::xcore: 5290b57cec5SDimitry Andric case llvm::Triple::wasm32: 5300b57cec5SDimitry Andric case llvm::Triple::wasm64: 5310b57cec5SDimitry Andric case llvm::Triple::msp430: 5320b57cec5SDimitry Andric // XCore never wants frame pointers, regardless of OS. 5330b57cec5SDimitry Andric // WebAssembly never wants frame pointers. 5340b57cec5SDimitry Andric return false; 5350b57cec5SDimitry Andric case llvm::Triple::ppc: 536e8d8bef9SDimitry Andric case llvm::Triple::ppcle: 5370b57cec5SDimitry Andric case llvm::Triple::ppc64: 5380b57cec5SDimitry Andric case llvm::Triple::ppc64le: 5390b57cec5SDimitry Andric case llvm::Triple::riscv32: 5400b57cec5SDimitry Andric case llvm::Triple::riscv64: 541480093f4SDimitry Andric case llvm::Triple::amdgcn: 542480093f4SDimitry Andric case llvm::Triple::r600: 5430b57cec5SDimitry Andric return !areOptimizationsEnabled(Args); 5440b57cec5SDimitry Andric default: 5450b57cec5SDimitry Andric break; 5460b57cec5SDimitry Andric } 5470b57cec5SDimitry Andric 5480b57cec5SDimitry Andric if (Triple.isOSNetBSD()) { 5490b57cec5SDimitry Andric return !areOptimizationsEnabled(Args); 5500b57cec5SDimitry Andric } 5510b57cec5SDimitry Andric 5520b57cec5SDimitry Andric if (Triple.isOSLinux() || Triple.getOS() == llvm::Triple::CloudABI || 5530b57cec5SDimitry Andric Triple.isOSHurd()) { 5540b57cec5SDimitry Andric switch (Triple.getArch()) { 5550b57cec5SDimitry Andric // Don't use a frame pointer on linux if optimizing for certain targets. 5565ffd83dbSDimitry Andric case llvm::Triple::arm: 5575ffd83dbSDimitry Andric case llvm::Triple::armeb: 5585ffd83dbSDimitry Andric case llvm::Triple::thumb: 5595ffd83dbSDimitry Andric case llvm::Triple::thumbeb: 5605ffd83dbSDimitry Andric if (Triple.isAndroid()) 5615ffd83dbSDimitry Andric return true; 5625ffd83dbSDimitry Andric LLVM_FALLTHROUGH; 5630b57cec5SDimitry Andric case llvm::Triple::mips64: 5640b57cec5SDimitry Andric case llvm::Triple::mips64el: 5650b57cec5SDimitry Andric case llvm::Triple::mips: 5660b57cec5SDimitry Andric case llvm::Triple::mipsel: 5670b57cec5SDimitry Andric case llvm::Triple::systemz: 5680b57cec5SDimitry Andric case llvm::Triple::x86: 5690b57cec5SDimitry Andric case llvm::Triple::x86_64: 5700b57cec5SDimitry Andric return !areOptimizationsEnabled(Args); 5710b57cec5SDimitry Andric default: 5720b57cec5SDimitry Andric return true; 5730b57cec5SDimitry Andric } 5740b57cec5SDimitry Andric } 5750b57cec5SDimitry Andric 5760b57cec5SDimitry Andric if (Triple.isOSWindows()) { 5770b57cec5SDimitry Andric switch (Triple.getArch()) { 5780b57cec5SDimitry Andric case llvm::Triple::x86: 5790b57cec5SDimitry Andric return !areOptimizationsEnabled(Args); 5800b57cec5SDimitry Andric case llvm::Triple::x86_64: 5810b57cec5SDimitry Andric return Triple.isOSBinFormatMachO(); 5820b57cec5SDimitry Andric case llvm::Triple::arm: 5830b57cec5SDimitry Andric case llvm::Triple::thumb: 5840b57cec5SDimitry Andric // Windows on ARM builds with FPO disabled to aid fast stack walking 5850b57cec5SDimitry Andric return true; 5860b57cec5SDimitry Andric default: 5870b57cec5SDimitry Andric // All other supported Windows ISAs use xdata unwind information, so frame 5880b57cec5SDimitry Andric // pointers are not generally useful. 5890b57cec5SDimitry Andric return false; 5900b57cec5SDimitry Andric } 5910b57cec5SDimitry Andric } 5920b57cec5SDimitry Andric 5930b57cec5SDimitry Andric return true; 5940b57cec5SDimitry Andric } 5950b57cec5SDimitry Andric 596a7dea167SDimitry Andric static CodeGenOptions::FramePointerKind 597a7dea167SDimitry Andric getFramePointerKind(const ArgList &Args, const llvm::Triple &Triple) { 598a7dea167SDimitry Andric // We have 4 states: 599a7dea167SDimitry Andric // 600a7dea167SDimitry Andric // 00) leaf retained, non-leaf retained 601a7dea167SDimitry Andric // 01) leaf retained, non-leaf omitted (this is invalid) 602a7dea167SDimitry Andric // 10) leaf omitted, non-leaf retained 603a7dea167SDimitry Andric // (what -momit-leaf-frame-pointer was designed for) 604a7dea167SDimitry Andric // 11) leaf omitted, non-leaf omitted 605a7dea167SDimitry Andric // 606a7dea167SDimitry Andric // "omit" options taking precedence over "no-omit" options is the only way 607a7dea167SDimitry Andric // to make 3 valid states representable 608a7dea167SDimitry Andric Arg *A = Args.getLastArg(options::OPT_fomit_frame_pointer, 609a7dea167SDimitry Andric options::OPT_fno_omit_frame_pointer); 610a7dea167SDimitry Andric bool OmitFP = A && A->getOption().matches(options::OPT_fomit_frame_pointer); 611a7dea167SDimitry Andric bool NoOmitFP = 612a7dea167SDimitry Andric A && A->getOption().matches(options::OPT_fno_omit_frame_pointer); 613e8d8bef9SDimitry Andric bool OmitLeafFP = Args.hasFlag(options::OPT_momit_leaf_frame_pointer, 614480093f4SDimitry Andric options::OPT_mno_omit_leaf_frame_pointer, 615480093f4SDimitry Andric Triple.isAArch64() || Triple.isPS4CPU()); 616a7dea167SDimitry Andric if (NoOmitFP || mustUseNonLeafFramePointerForTarget(Triple) || 617a7dea167SDimitry Andric (!OmitFP && useFramePointerForTargetByDefault(Args, Triple))) { 618e8d8bef9SDimitry Andric if (OmitLeafFP) 619a7dea167SDimitry Andric return CodeGenOptions::FramePointerKind::NonLeaf; 620a7dea167SDimitry Andric return CodeGenOptions::FramePointerKind::All; 6210b57cec5SDimitry Andric } 622a7dea167SDimitry Andric return CodeGenOptions::FramePointerKind::None; 6230b57cec5SDimitry Andric } 6240b57cec5SDimitry Andric 6250b57cec5SDimitry Andric /// Add a CC1 option to specify the debug compilation directory. 626a7dea167SDimitry Andric static void addDebugCompDirArg(const ArgList &Args, ArgStringList &CmdArgs, 627a7dea167SDimitry Andric const llvm::vfs::FileSystem &VFS) { 628fe6060f1SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_ffile_compilation_dir_EQ, 629fe6060f1SDimitry Andric options::OPT_fdebug_compilation_dir_EQ)) { 630fe6060f1SDimitry Andric if (A->getOption().matches(options::OPT_ffile_compilation_dir_EQ)) 631fe6060f1SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Twine("-fdebug-compilation-dir=") + 632fe6060f1SDimitry Andric A->getValue())); 633fe6060f1SDimitry Andric else 634fe6060f1SDimitry Andric A->render(Args, CmdArgs); 635a7dea167SDimitry Andric } else if (llvm::ErrorOr<std::string> CWD = 636a7dea167SDimitry Andric VFS.getCurrentWorkingDirectory()) { 637fe6060f1SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-fdebug-compilation-dir=" + *CWD)); 6380b57cec5SDimitry Andric } 6390b57cec5SDimitry Andric } 6400b57cec5SDimitry Andric 6410b57cec5SDimitry Andric /// Add a CC1 and CC1AS option to specify the debug file path prefix map. 6420b57cec5SDimitry Andric static void addDebugPrefixMapArg(const Driver &D, const ArgList &Args, ArgStringList &CmdArgs) { 643480093f4SDimitry Andric for (const Arg *A : Args.filtered(options::OPT_ffile_prefix_map_EQ, 644480093f4SDimitry Andric options::OPT_fdebug_prefix_map_EQ)) { 6450b57cec5SDimitry Andric StringRef Map = A->getValue(); 6460b57cec5SDimitry Andric if (Map.find('=') == StringRef::npos) 647480093f4SDimitry Andric D.Diag(diag::err_drv_invalid_argument_to_option) 648480093f4SDimitry Andric << Map << A->getOption().getName(); 6490b57cec5SDimitry Andric else 6500b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-fdebug-prefix-map=" + Map)); 6510b57cec5SDimitry Andric A->claim(); 6520b57cec5SDimitry Andric } 6530b57cec5SDimitry Andric } 6540b57cec5SDimitry Andric 655480093f4SDimitry Andric /// Add a CC1 and CC1AS option to specify the macro file path prefix map. 656480093f4SDimitry Andric static void addMacroPrefixMapArg(const Driver &D, const ArgList &Args, 657480093f4SDimitry Andric ArgStringList &CmdArgs) { 658480093f4SDimitry Andric for (const Arg *A : Args.filtered(options::OPT_ffile_prefix_map_EQ, 659480093f4SDimitry Andric options::OPT_fmacro_prefix_map_EQ)) { 660480093f4SDimitry Andric StringRef Map = A->getValue(); 661480093f4SDimitry Andric if (Map.find('=') == StringRef::npos) 662480093f4SDimitry Andric D.Diag(diag::err_drv_invalid_argument_to_option) 663480093f4SDimitry Andric << Map << A->getOption().getName(); 664480093f4SDimitry Andric else 665480093f4SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-fmacro-prefix-map=" + Map)); 666480093f4SDimitry Andric A->claim(); 667480093f4SDimitry Andric } 668480093f4SDimitry Andric } 669480093f4SDimitry Andric 670e8d8bef9SDimitry Andric /// Add a CC1 and CC1AS option to specify the coverage file path prefix map. 671fe6060f1SDimitry Andric static void addCoveragePrefixMapArg(const Driver &D, const ArgList &Args, 672e8d8bef9SDimitry Andric ArgStringList &CmdArgs) { 673e8d8bef9SDimitry Andric for (const Arg *A : Args.filtered(options::OPT_ffile_prefix_map_EQ, 674fe6060f1SDimitry Andric options::OPT_fcoverage_prefix_map_EQ)) { 675e8d8bef9SDimitry Andric StringRef Map = A->getValue(); 676e8d8bef9SDimitry Andric if (Map.find('=') == StringRef::npos) 677e8d8bef9SDimitry Andric D.Diag(diag::err_drv_invalid_argument_to_option) 678e8d8bef9SDimitry Andric << Map << A->getOption().getName(); 679e8d8bef9SDimitry Andric else 680fe6060f1SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-fcoverage-prefix-map=" + Map)); 681e8d8bef9SDimitry Andric A->claim(); 682e8d8bef9SDimitry Andric } 683e8d8bef9SDimitry Andric } 684e8d8bef9SDimitry Andric 6850b57cec5SDimitry Andric /// Vectorize at all optimization levels greater than 1 except for -Oz. 6860b57cec5SDimitry Andric /// For -Oz the loop vectorizer is disabled, while the slp vectorizer is 6870b57cec5SDimitry Andric /// enabled. 6880b57cec5SDimitry Andric static bool shouldEnableVectorizerAtOLevel(const ArgList &Args, bool isSlpVec) { 6890b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 6900b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_O4) || 6910b57cec5SDimitry Andric A->getOption().matches(options::OPT_Ofast)) 6920b57cec5SDimitry Andric return true; 6930b57cec5SDimitry Andric 6940b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_O0)) 6950b57cec5SDimitry Andric return false; 6960b57cec5SDimitry Andric 6970b57cec5SDimitry Andric assert(A->getOption().matches(options::OPT_O) && "Must have a -O flag"); 6980b57cec5SDimitry Andric 6990b57cec5SDimitry Andric // Vectorize -Os. 7000b57cec5SDimitry Andric StringRef S(A->getValue()); 7010b57cec5SDimitry Andric if (S == "s") 7020b57cec5SDimitry Andric return true; 7030b57cec5SDimitry Andric 7040b57cec5SDimitry Andric // Don't vectorize -Oz, unless it's the slp vectorizer. 7050b57cec5SDimitry Andric if (S == "z") 7060b57cec5SDimitry Andric return isSlpVec; 7070b57cec5SDimitry Andric 7080b57cec5SDimitry Andric unsigned OptLevel = 0; 7090b57cec5SDimitry Andric if (S.getAsInteger(10, OptLevel)) 7100b57cec5SDimitry Andric return false; 7110b57cec5SDimitry Andric 7120b57cec5SDimitry Andric return OptLevel > 1; 7130b57cec5SDimitry Andric } 7140b57cec5SDimitry Andric 7150b57cec5SDimitry Andric return false; 7160b57cec5SDimitry Andric } 7170b57cec5SDimitry Andric 7180b57cec5SDimitry Andric /// Add -x lang to \p CmdArgs for \p Input. 7190b57cec5SDimitry Andric static void addDashXForInput(const ArgList &Args, const InputInfo &Input, 7200b57cec5SDimitry Andric ArgStringList &CmdArgs) { 7210b57cec5SDimitry Andric // When using -verify-pch, we don't want to provide the type 7220b57cec5SDimitry Andric // 'precompiled-header' if it was inferred from the file extension 7230b57cec5SDimitry Andric if (Args.hasArg(options::OPT_verify_pch) && Input.getType() == types::TY_PCH) 7240b57cec5SDimitry Andric return; 7250b57cec5SDimitry Andric 7260b57cec5SDimitry Andric CmdArgs.push_back("-x"); 7270b57cec5SDimitry Andric if (Args.hasArg(options::OPT_rewrite_objc)) 7280b57cec5SDimitry Andric CmdArgs.push_back(types::getTypeName(types::TY_PP_ObjCXX)); 7290b57cec5SDimitry Andric else { 7300b57cec5SDimitry Andric // Map the driver type to the frontend type. This is mostly an identity 7310b57cec5SDimitry Andric // mapping, except that the distinction between module interface units 7320b57cec5SDimitry Andric // and other source files does not exist at the frontend layer. 7330b57cec5SDimitry Andric const char *ClangType; 7340b57cec5SDimitry Andric switch (Input.getType()) { 7350b57cec5SDimitry Andric case types::TY_CXXModule: 7360b57cec5SDimitry Andric ClangType = "c++"; 7370b57cec5SDimitry Andric break; 7380b57cec5SDimitry Andric case types::TY_PP_CXXModule: 7390b57cec5SDimitry Andric ClangType = "c++-cpp-output"; 7400b57cec5SDimitry Andric break; 7410b57cec5SDimitry Andric default: 7420b57cec5SDimitry Andric ClangType = types::getTypeName(Input.getType()); 7430b57cec5SDimitry Andric break; 7440b57cec5SDimitry Andric } 7450b57cec5SDimitry Andric CmdArgs.push_back(ClangType); 7460b57cec5SDimitry Andric } 7470b57cec5SDimitry Andric } 7480b57cec5SDimitry Andric 7490b57cec5SDimitry Andric static void addPGOAndCoverageFlags(const ToolChain &TC, Compilation &C, 7500b57cec5SDimitry Andric const Driver &D, const InputInfo &Output, 7510b57cec5SDimitry Andric const ArgList &Args, 7520b57cec5SDimitry Andric ArgStringList &CmdArgs) { 7530b57cec5SDimitry Andric 7540b57cec5SDimitry Andric auto *PGOGenerateArg = Args.getLastArg(options::OPT_fprofile_generate, 7550b57cec5SDimitry Andric options::OPT_fprofile_generate_EQ, 7560b57cec5SDimitry Andric options::OPT_fno_profile_generate); 7570b57cec5SDimitry Andric if (PGOGenerateArg && 7580b57cec5SDimitry Andric PGOGenerateArg->getOption().matches(options::OPT_fno_profile_generate)) 7590b57cec5SDimitry Andric PGOGenerateArg = nullptr; 7600b57cec5SDimitry Andric 7610b57cec5SDimitry Andric auto *CSPGOGenerateArg = Args.getLastArg(options::OPT_fcs_profile_generate, 7620b57cec5SDimitry Andric options::OPT_fcs_profile_generate_EQ, 7630b57cec5SDimitry Andric options::OPT_fno_profile_generate); 7640b57cec5SDimitry Andric if (CSPGOGenerateArg && 7650b57cec5SDimitry Andric CSPGOGenerateArg->getOption().matches(options::OPT_fno_profile_generate)) 7660b57cec5SDimitry Andric CSPGOGenerateArg = nullptr; 7670b57cec5SDimitry Andric 7680b57cec5SDimitry Andric auto *ProfileGenerateArg = Args.getLastArg( 7690b57cec5SDimitry Andric options::OPT_fprofile_instr_generate, 7700b57cec5SDimitry Andric options::OPT_fprofile_instr_generate_EQ, 7710b57cec5SDimitry Andric options::OPT_fno_profile_instr_generate); 7720b57cec5SDimitry Andric if (ProfileGenerateArg && 7730b57cec5SDimitry Andric ProfileGenerateArg->getOption().matches( 7740b57cec5SDimitry Andric options::OPT_fno_profile_instr_generate)) 7750b57cec5SDimitry Andric ProfileGenerateArg = nullptr; 7760b57cec5SDimitry Andric 7770b57cec5SDimitry Andric if (PGOGenerateArg && ProfileGenerateArg) 7780b57cec5SDimitry Andric D.Diag(diag::err_drv_argument_not_allowed_with) 7790b57cec5SDimitry Andric << PGOGenerateArg->getSpelling() << ProfileGenerateArg->getSpelling(); 7800b57cec5SDimitry Andric 7810b57cec5SDimitry Andric auto *ProfileUseArg = getLastProfileUseArg(Args); 7820b57cec5SDimitry Andric 7830b57cec5SDimitry Andric if (PGOGenerateArg && ProfileUseArg) 7840b57cec5SDimitry Andric D.Diag(diag::err_drv_argument_not_allowed_with) 7850b57cec5SDimitry Andric << ProfileUseArg->getSpelling() << PGOGenerateArg->getSpelling(); 7860b57cec5SDimitry Andric 7870b57cec5SDimitry Andric if (ProfileGenerateArg && ProfileUseArg) 7880b57cec5SDimitry Andric D.Diag(diag::err_drv_argument_not_allowed_with) 7890b57cec5SDimitry Andric << ProfileGenerateArg->getSpelling() << ProfileUseArg->getSpelling(); 7900b57cec5SDimitry Andric 791e8d8bef9SDimitry Andric if (CSPGOGenerateArg && PGOGenerateArg) { 7920b57cec5SDimitry Andric D.Diag(diag::err_drv_argument_not_allowed_with) 7930b57cec5SDimitry Andric << CSPGOGenerateArg->getSpelling() << PGOGenerateArg->getSpelling(); 794e8d8bef9SDimitry Andric PGOGenerateArg = nullptr; 795e8d8bef9SDimitry Andric } 7960b57cec5SDimitry Andric 797fe6060f1SDimitry Andric if (TC.getTriple().isOSAIX()) { 798fe6060f1SDimitry Andric if (PGOGenerateArg) 799fe6060f1SDimitry Andric if (!D.isUsingLTO(false /*IsDeviceOffloadAction */) || 800fe6060f1SDimitry Andric D.getLTOMode() != LTOK_Full) 801fe6060f1SDimitry Andric D.Diag(clang::diag::err_drv_argument_only_allowed_with) 802fe6060f1SDimitry Andric << PGOGenerateArg->getSpelling() << "-flto"; 803fe6060f1SDimitry Andric if (ProfileGenerateArg) 804fe6060f1SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 805fe6060f1SDimitry Andric << ProfileGenerateArg->getSpelling() << TC.getTriple().str(); 806fe6060f1SDimitry Andric if (Arg *ProfileSampleUseArg = getLastProfileSampleUseArg(Args)) 807fe6060f1SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 808fe6060f1SDimitry Andric << ProfileSampleUseArg->getSpelling() << TC.getTriple().str(); 809fe6060f1SDimitry Andric } 810fe6060f1SDimitry Andric 8110b57cec5SDimitry Andric if (ProfileGenerateArg) { 8120b57cec5SDimitry Andric if (ProfileGenerateArg->getOption().matches( 8130b57cec5SDimitry Andric options::OPT_fprofile_instr_generate_EQ)) 8140b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Twine("-fprofile-instrument-path=") + 8150b57cec5SDimitry Andric ProfileGenerateArg->getValue())); 8160b57cec5SDimitry Andric // The default is to use Clang Instrumentation. 8170b57cec5SDimitry Andric CmdArgs.push_back("-fprofile-instrument=clang"); 8180b57cec5SDimitry Andric if (TC.getTriple().isWindowsMSVCEnvironment()) { 8190b57cec5SDimitry Andric // Add dependent lib for clang_rt.profile 8205ffd83dbSDimitry Andric CmdArgs.push_back(Args.MakeArgString( 8215ffd83dbSDimitry Andric "--dependent-lib=" + TC.getCompilerRTBasename(Args, "profile"))); 8220b57cec5SDimitry Andric } 8230b57cec5SDimitry Andric } 8240b57cec5SDimitry Andric 8250b57cec5SDimitry Andric Arg *PGOGenArg = nullptr; 8260b57cec5SDimitry Andric if (PGOGenerateArg) { 8270b57cec5SDimitry Andric assert(!CSPGOGenerateArg); 8280b57cec5SDimitry Andric PGOGenArg = PGOGenerateArg; 8290b57cec5SDimitry Andric CmdArgs.push_back("-fprofile-instrument=llvm"); 8300b57cec5SDimitry Andric } 8310b57cec5SDimitry Andric if (CSPGOGenerateArg) { 8320b57cec5SDimitry Andric assert(!PGOGenerateArg); 8330b57cec5SDimitry Andric PGOGenArg = CSPGOGenerateArg; 8340b57cec5SDimitry Andric CmdArgs.push_back("-fprofile-instrument=csllvm"); 8350b57cec5SDimitry Andric } 8360b57cec5SDimitry Andric if (PGOGenArg) { 8370b57cec5SDimitry Andric if (TC.getTriple().isWindowsMSVCEnvironment()) { 8385ffd83dbSDimitry Andric // Add dependent lib for clang_rt.profile 8395ffd83dbSDimitry Andric CmdArgs.push_back(Args.MakeArgString( 8405ffd83dbSDimitry Andric "--dependent-lib=" + TC.getCompilerRTBasename(Args, "profile"))); 8410b57cec5SDimitry Andric } 8420b57cec5SDimitry Andric if (PGOGenArg->getOption().matches( 8430b57cec5SDimitry Andric PGOGenerateArg ? options::OPT_fprofile_generate_EQ 8440b57cec5SDimitry Andric : options::OPT_fcs_profile_generate_EQ)) { 8450b57cec5SDimitry Andric SmallString<128> Path(PGOGenArg->getValue()); 8460b57cec5SDimitry Andric llvm::sys::path::append(Path, "default_%m.profraw"); 8470b57cec5SDimitry Andric CmdArgs.push_back( 8480b57cec5SDimitry Andric Args.MakeArgString(Twine("-fprofile-instrument-path=") + Path)); 8490b57cec5SDimitry Andric } 8500b57cec5SDimitry Andric } 8510b57cec5SDimitry Andric 8520b57cec5SDimitry Andric if (ProfileUseArg) { 8530b57cec5SDimitry Andric if (ProfileUseArg->getOption().matches(options::OPT_fprofile_instr_use_EQ)) 8540b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString( 8550b57cec5SDimitry Andric Twine("-fprofile-instrument-use-path=") + ProfileUseArg->getValue())); 8560b57cec5SDimitry Andric else if ((ProfileUseArg->getOption().matches( 8570b57cec5SDimitry Andric options::OPT_fprofile_use_EQ) || 8580b57cec5SDimitry Andric ProfileUseArg->getOption().matches( 8590b57cec5SDimitry Andric options::OPT_fprofile_instr_use))) { 8600b57cec5SDimitry Andric SmallString<128> Path( 8610b57cec5SDimitry Andric ProfileUseArg->getNumValues() == 0 ? "" : ProfileUseArg->getValue()); 8620b57cec5SDimitry Andric if (Path.empty() || llvm::sys::fs::is_directory(Path)) 8630b57cec5SDimitry Andric llvm::sys::path::append(Path, "default.profdata"); 8640b57cec5SDimitry Andric CmdArgs.push_back( 8650b57cec5SDimitry Andric Args.MakeArgString(Twine("-fprofile-instrument-use-path=") + Path)); 8660b57cec5SDimitry Andric } 8670b57cec5SDimitry Andric } 8680b57cec5SDimitry Andric 8695ffd83dbSDimitry Andric bool EmitCovNotes = Args.hasFlag(options::OPT_ftest_coverage, 8705ffd83dbSDimitry Andric options::OPT_fno_test_coverage, false) || 871a7dea167SDimitry Andric Args.hasArg(options::OPT_coverage); 8725ffd83dbSDimitry Andric bool EmitCovData = TC.needsGCovInstrumentation(Args); 873a7dea167SDimitry Andric if (EmitCovNotes) 874e8d8bef9SDimitry Andric CmdArgs.push_back("-ftest-coverage"); 875a7dea167SDimitry Andric if (EmitCovData) 876e8d8bef9SDimitry Andric CmdArgs.push_back("-fprofile-arcs"); 8770b57cec5SDimitry Andric 8780b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fcoverage_mapping, 8790b57cec5SDimitry Andric options::OPT_fno_coverage_mapping, false)) { 8800b57cec5SDimitry Andric if (!ProfileGenerateArg) 8810b57cec5SDimitry Andric D.Diag(clang::diag::err_drv_argument_only_allowed_with) 8820b57cec5SDimitry Andric << "-fcoverage-mapping" 8830b57cec5SDimitry Andric << "-fprofile-instr-generate"; 8840b57cec5SDimitry Andric 8850b57cec5SDimitry Andric CmdArgs.push_back("-fcoverage-mapping"); 8860b57cec5SDimitry Andric } 8870b57cec5SDimitry Andric 888fe6060f1SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_ffile_compilation_dir_EQ, 889fe6060f1SDimitry Andric options::OPT_fcoverage_compilation_dir_EQ)) { 890fe6060f1SDimitry Andric if (A->getOption().matches(options::OPT_ffile_compilation_dir_EQ)) 891fe6060f1SDimitry Andric CmdArgs.push_back(Args.MakeArgString( 892fe6060f1SDimitry Andric Twine("-fcoverage-compilation-dir=") + A->getValue())); 893fe6060f1SDimitry Andric else 894fe6060f1SDimitry Andric A->render(Args, CmdArgs); 895fe6060f1SDimitry Andric } else if (llvm::ErrorOr<std::string> CWD = 896fe6060f1SDimitry Andric D.getVFS().getCurrentWorkingDirectory()) { 897fe6060f1SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-fcoverage-compilation-dir=" + *CWD)); 898fe6060f1SDimitry Andric } 899fe6060f1SDimitry Andric 9000b57cec5SDimitry Andric if (Args.hasArg(options::OPT_fprofile_exclude_files_EQ)) { 9010b57cec5SDimitry Andric auto *Arg = Args.getLastArg(options::OPT_fprofile_exclude_files_EQ); 9020b57cec5SDimitry Andric if (!Args.hasArg(options::OPT_coverage)) 9030b57cec5SDimitry Andric D.Diag(clang::diag::err_drv_argument_only_allowed_with) 9040b57cec5SDimitry Andric << "-fprofile-exclude-files=" 9050b57cec5SDimitry Andric << "--coverage"; 9060b57cec5SDimitry Andric 9070b57cec5SDimitry Andric StringRef v = Arg->getValue(); 9080b57cec5SDimitry Andric CmdArgs.push_back( 9090b57cec5SDimitry Andric Args.MakeArgString(Twine("-fprofile-exclude-files=" + v))); 9100b57cec5SDimitry Andric } 9110b57cec5SDimitry Andric 9120b57cec5SDimitry Andric if (Args.hasArg(options::OPT_fprofile_filter_files_EQ)) { 9130b57cec5SDimitry Andric auto *Arg = Args.getLastArg(options::OPT_fprofile_filter_files_EQ); 9140b57cec5SDimitry Andric if (!Args.hasArg(options::OPT_coverage)) 9150b57cec5SDimitry Andric D.Diag(clang::diag::err_drv_argument_only_allowed_with) 9160b57cec5SDimitry Andric << "-fprofile-filter-files=" 9170b57cec5SDimitry Andric << "--coverage"; 9180b57cec5SDimitry Andric 9190b57cec5SDimitry Andric StringRef v = Arg->getValue(); 9200b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Twine("-fprofile-filter-files=" + v))); 9210b57cec5SDimitry Andric } 9220b57cec5SDimitry Andric 923e8d8bef9SDimitry Andric if (const auto *A = Args.getLastArg(options::OPT_fprofile_update_EQ)) { 924e8d8bef9SDimitry Andric StringRef Val = A->getValue(); 925e8d8bef9SDimitry Andric if (Val == "atomic" || Val == "prefer-atomic") 926e8d8bef9SDimitry Andric CmdArgs.push_back("-fprofile-update=atomic"); 927e8d8bef9SDimitry Andric else if (Val != "single") 928e8d8bef9SDimitry Andric D.Diag(diag::err_drv_unsupported_option_argument) 929e8d8bef9SDimitry Andric << A->getOption().getName() << Val; 930e8d8bef9SDimitry Andric } else if (TC.getSanitizerArgs().needsTsanRt()) { 931e8d8bef9SDimitry Andric CmdArgs.push_back("-fprofile-update=atomic"); 932e8d8bef9SDimitry Andric } 933e8d8bef9SDimitry Andric 934a7dea167SDimitry Andric // Leave -fprofile-dir= an unused argument unless .gcda emission is 935a7dea167SDimitry Andric // enabled. To be polite, with '-fprofile-arcs -fno-profile-arcs' consider 936a7dea167SDimitry Andric // the flag used. There is no -fno-profile-dir, so the user has no 937a7dea167SDimitry Andric // targeted way to suppress the warning. 938a7dea167SDimitry Andric Arg *FProfileDir = nullptr; 939a7dea167SDimitry Andric if (Args.hasArg(options::OPT_fprofile_arcs) || 940a7dea167SDimitry Andric Args.hasArg(options::OPT_coverage)) 941a7dea167SDimitry Andric FProfileDir = Args.getLastArg(options::OPT_fprofile_dir); 942a7dea167SDimitry Andric 943a7dea167SDimitry Andric // Put the .gcno and .gcda files (if needed) next to the object file or 944a7dea167SDimitry Andric // bitcode file in the case of LTO. 945a7dea167SDimitry Andric // FIXME: There should be a simpler way to find the object file for this 946a7dea167SDimitry Andric // input, and this code probably does the wrong thing for commands that 947a7dea167SDimitry Andric // compile and link all at once. 948a7dea167SDimitry Andric if ((Args.hasArg(options::OPT_c) || Args.hasArg(options::OPT_S)) && 949a7dea167SDimitry Andric (EmitCovNotes || EmitCovData) && Output.isFilename()) { 9500b57cec5SDimitry Andric SmallString<128> OutputFilename; 951480093f4SDimitry Andric if (Arg *FinalOutput = C.getArgs().getLastArg(options::OPT__SLASH_Fo)) 952480093f4SDimitry Andric OutputFilename = FinalOutput->getValue(); 953480093f4SDimitry Andric else if (Arg *FinalOutput = C.getArgs().getLastArg(options::OPT_o)) 9540b57cec5SDimitry Andric OutputFilename = FinalOutput->getValue(); 9550b57cec5SDimitry Andric else 9560b57cec5SDimitry Andric OutputFilename = llvm::sys::path::filename(Output.getBaseInput()); 9570b57cec5SDimitry Andric SmallString<128> CoverageFilename = OutputFilename; 958a7dea167SDimitry Andric if (llvm::sys::path::is_relative(CoverageFilename)) 959a7dea167SDimitry Andric (void)D.getVFS().makeAbsolute(CoverageFilename); 9600b57cec5SDimitry Andric llvm::sys::path::replace_extension(CoverageFilename, "gcno"); 961a7dea167SDimitry Andric 962a7dea167SDimitry Andric CmdArgs.push_back("-coverage-notes-file"); 9630b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(CoverageFilename)); 9640b57cec5SDimitry Andric 965a7dea167SDimitry Andric if (EmitCovData) { 966a7dea167SDimitry Andric if (FProfileDir) { 9670b57cec5SDimitry Andric CoverageFilename = FProfileDir->getValue(); 9680b57cec5SDimitry Andric llvm::sys::path::append(CoverageFilename, OutputFilename); 9690b57cec5SDimitry Andric } 9700b57cec5SDimitry Andric llvm::sys::path::replace_extension(CoverageFilename, "gcda"); 971a7dea167SDimitry Andric CmdArgs.push_back("-coverage-data-file"); 9720b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(CoverageFilename)); 9730b57cec5SDimitry Andric } 9740b57cec5SDimitry Andric } 9750b57cec5SDimitry Andric } 9760b57cec5SDimitry Andric 9770b57cec5SDimitry Andric /// Check whether the given input tree contains any compilation actions. 9780b57cec5SDimitry Andric static bool ContainsCompileAction(const Action *A) { 9790b57cec5SDimitry Andric if (isa<CompileJobAction>(A) || isa<BackendJobAction>(A)) 9800b57cec5SDimitry Andric return true; 9810b57cec5SDimitry Andric 9820b57cec5SDimitry Andric for (const auto &AI : A->inputs()) 9830b57cec5SDimitry Andric if (ContainsCompileAction(AI)) 9840b57cec5SDimitry Andric return true; 9850b57cec5SDimitry Andric 9860b57cec5SDimitry Andric return false; 9870b57cec5SDimitry Andric } 9880b57cec5SDimitry Andric 9890b57cec5SDimitry Andric /// Check if -relax-all should be passed to the internal assembler. 9900b57cec5SDimitry Andric /// This is done by default when compiling non-assembler source with -O0. 9910b57cec5SDimitry Andric static bool UseRelaxAll(Compilation &C, const ArgList &Args) { 9920b57cec5SDimitry Andric bool RelaxDefault = true; 9930b57cec5SDimitry Andric 9940b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_O_Group)) 9950b57cec5SDimitry Andric RelaxDefault = A->getOption().matches(options::OPT_O0); 9960b57cec5SDimitry Andric 9970b57cec5SDimitry Andric if (RelaxDefault) { 9980b57cec5SDimitry Andric RelaxDefault = false; 9990b57cec5SDimitry Andric for (const auto &Act : C.getActions()) { 10000b57cec5SDimitry Andric if (ContainsCompileAction(Act)) { 10010b57cec5SDimitry Andric RelaxDefault = true; 10020b57cec5SDimitry Andric break; 10030b57cec5SDimitry Andric } 10040b57cec5SDimitry Andric } 10050b57cec5SDimitry Andric } 10060b57cec5SDimitry Andric 10070b57cec5SDimitry Andric return Args.hasFlag(options::OPT_mrelax_all, options::OPT_mno_relax_all, 10080b57cec5SDimitry Andric RelaxDefault); 10090b57cec5SDimitry Andric } 10100b57cec5SDimitry Andric 10110b57cec5SDimitry Andric // Extract the integer N from a string spelled "-dwarf-N", returning 0 10120b57cec5SDimitry Andric // on mismatch. The StringRef input (rather than an Arg) allows 10130b57cec5SDimitry Andric // for use by the "-Xassembler" option parser. 10140b57cec5SDimitry Andric static unsigned DwarfVersionNum(StringRef ArgValue) { 10150b57cec5SDimitry Andric return llvm::StringSwitch<unsigned>(ArgValue) 10160b57cec5SDimitry Andric .Case("-gdwarf-2", 2) 10170b57cec5SDimitry Andric .Case("-gdwarf-3", 3) 10180b57cec5SDimitry Andric .Case("-gdwarf-4", 4) 10190b57cec5SDimitry Andric .Case("-gdwarf-5", 5) 10200b57cec5SDimitry Andric .Default(0); 10210b57cec5SDimitry Andric } 10220b57cec5SDimitry Andric 1023fe6060f1SDimitry Andric // Find a DWARF format version option. 1024fe6060f1SDimitry Andric // This function is a complementary for DwarfVersionNum(). 1025fe6060f1SDimitry Andric static const Arg *getDwarfNArg(const ArgList &Args) { 1026fe6060f1SDimitry Andric return Args.getLastArg(options::OPT_gdwarf_2, options::OPT_gdwarf_3, 1027fe6060f1SDimitry Andric options::OPT_gdwarf_4, options::OPT_gdwarf_5, 1028fe6060f1SDimitry Andric options::OPT_gdwarf); 1029fe6060f1SDimitry Andric } 1030fe6060f1SDimitry Andric 10310b57cec5SDimitry Andric static void RenderDebugEnablingArgs(const ArgList &Args, ArgStringList &CmdArgs, 10320b57cec5SDimitry Andric codegenoptions::DebugInfoKind DebugInfoKind, 10330b57cec5SDimitry Andric unsigned DwarfVersion, 10340b57cec5SDimitry Andric llvm::DebuggerKind DebuggerTuning) { 10350b57cec5SDimitry Andric switch (DebugInfoKind) { 10360b57cec5SDimitry Andric case codegenoptions::DebugDirectivesOnly: 10370b57cec5SDimitry Andric CmdArgs.push_back("-debug-info-kind=line-directives-only"); 10380b57cec5SDimitry Andric break; 10390b57cec5SDimitry Andric case codegenoptions::DebugLineTablesOnly: 10400b57cec5SDimitry Andric CmdArgs.push_back("-debug-info-kind=line-tables-only"); 10410b57cec5SDimitry Andric break; 1042480093f4SDimitry Andric case codegenoptions::DebugInfoConstructor: 1043480093f4SDimitry Andric CmdArgs.push_back("-debug-info-kind=constructor"); 1044480093f4SDimitry Andric break; 10450b57cec5SDimitry Andric case codegenoptions::LimitedDebugInfo: 10460b57cec5SDimitry Andric CmdArgs.push_back("-debug-info-kind=limited"); 10470b57cec5SDimitry Andric break; 10480b57cec5SDimitry Andric case codegenoptions::FullDebugInfo: 10490b57cec5SDimitry Andric CmdArgs.push_back("-debug-info-kind=standalone"); 10500b57cec5SDimitry Andric break; 1051e8d8bef9SDimitry Andric case codegenoptions::UnusedTypeInfo: 1052e8d8bef9SDimitry Andric CmdArgs.push_back("-debug-info-kind=unused-types"); 1053e8d8bef9SDimitry Andric break; 10540b57cec5SDimitry Andric default: 10550b57cec5SDimitry Andric break; 10560b57cec5SDimitry Andric } 10570b57cec5SDimitry Andric if (DwarfVersion > 0) 10580b57cec5SDimitry Andric CmdArgs.push_back( 10590b57cec5SDimitry Andric Args.MakeArgString("-dwarf-version=" + Twine(DwarfVersion))); 10600b57cec5SDimitry Andric switch (DebuggerTuning) { 10610b57cec5SDimitry Andric case llvm::DebuggerKind::GDB: 10620b57cec5SDimitry Andric CmdArgs.push_back("-debugger-tuning=gdb"); 10630b57cec5SDimitry Andric break; 10640b57cec5SDimitry Andric case llvm::DebuggerKind::LLDB: 10650b57cec5SDimitry Andric CmdArgs.push_back("-debugger-tuning=lldb"); 10660b57cec5SDimitry Andric break; 10670b57cec5SDimitry Andric case llvm::DebuggerKind::SCE: 10680b57cec5SDimitry Andric CmdArgs.push_back("-debugger-tuning=sce"); 10690b57cec5SDimitry Andric break; 1070fe6060f1SDimitry Andric case llvm::DebuggerKind::DBX: 1071fe6060f1SDimitry Andric CmdArgs.push_back("-debugger-tuning=dbx"); 1072fe6060f1SDimitry Andric break; 10730b57cec5SDimitry Andric default: 10740b57cec5SDimitry Andric break; 10750b57cec5SDimitry Andric } 10760b57cec5SDimitry Andric } 10770b57cec5SDimitry Andric 10780b57cec5SDimitry Andric static bool checkDebugInfoOption(const Arg *A, const ArgList &Args, 10790b57cec5SDimitry Andric const Driver &D, const ToolChain &TC) { 10800b57cec5SDimitry Andric assert(A && "Expected non-nullptr argument."); 10810b57cec5SDimitry Andric if (TC.supportsDebugInfoOption(A)) 10820b57cec5SDimitry Andric return true; 10830b57cec5SDimitry Andric D.Diag(diag::warn_drv_unsupported_debug_info_opt_for_target) 10840b57cec5SDimitry Andric << A->getAsString(Args) << TC.getTripleString(); 10850b57cec5SDimitry Andric return false; 10860b57cec5SDimitry Andric } 10870b57cec5SDimitry Andric 10880b57cec5SDimitry Andric static void RenderDebugInfoCompressionArgs(const ArgList &Args, 10890b57cec5SDimitry Andric ArgStringList &CmdArgs, 10900b57cec5SDimitry Andric const Driver &D, 10910b57cec5SDimitry Andric const ToolChain &TC) { 1092e8d8bef9SDimitry Andric const Arg *A = Args.getLastArg(options::OPT_gz_EQ); 10930b57cec5SDimitry Andric if (!A) 10940b57cec5SDimitry Andric return; 10950b57cec5SDimitry Andric if (checkDebugInfoOption(A, Args, D, TC)) { 10960b57cec5SDimitry Andric StringRef Value = A->getValue(); 10970b57cec5SDimitry Andric if (Value == "none") { 10980b57cec5SDimitry Andric CmdArgs.push_back("--compress-debug-sections=none"); 10990b57cec5SDimitry Andric } else if (Value == "zlib" || Value == "zlib-gnu") { 11000b57cec5SDimitry Andric if (llvm::zlib::isAvailable()) { 11010b57cec5SDimitry Andric CmdArgs.push_back( 11020b57cec5SDimitry Andric Args.MakeArgString("--compress-debug-sections=" + Twine(Value))); 11030b57cec5SDimitry Andric } else { 11040b57cec5SDimitry Andric D.Diag(diag::warn_debug_compression_unavailable); 11050b57cec5SDimitry Andric } 11060b57cec5SDimitry Andric } else { 11070b57cec5SDimitry Andric D.Diag(diag::err_drv_unsupported_option_argument) 11080b57cec5SDimitry Andric << A->getOption().getName() << Value; 11090b57cec5SDimitry Andric } 11100b57cec5SDimitry Andric } 11110b57cec5SDimitry Andric } 11120b57cec5SDimitry Andric 11130b57cec5SDimitry Andric static const char *RelocationModelName(llvm::Reloc::Model Model) { 11140b57cec5SDimitry Andric switch (Model) { 11150b57cec5SDimitry Andric case llvm::Reloc::Static: 11160b57cec5SDimitry Andric return "static"; 11170b57cec5SDimitry Andric case llvm::Reloc::PIC_: 11180b57cec5SDimitry Andric return "pic"; 11190b57cec5SDimitry Andric case llvm::Reloc::DynamicNoPIC: 11200b57cec5SDimitry Andric return "dynamic-no-pic"; 11210b57cec5SDimitry Andric case llvm::Reloc::ROPI: 11220b57cec5SDimitry Andric return "ropi"; 11230b57cec5SDimitry Andric case llvm::Reloc::RWPI: 11240b57cec5SDimitry Andric return "rwpi"; 11250b57cec5SDimitry Andric case llvm::Reloc::ROPI_RWPI: 11260b57cec5SDimitry Andric return "ropi-rwpi"; 11270b57cec5SDimitry Andric } 11280b57cec5SDimitry Andric llvm_unreachable("Unknown Reloc::Model kind"); 11290b57cec5SDimitry Andric } 1130e8d8bef9SDimitry Andric static void handleAMDGPUCodeObjectVersionOptions(const Driver &D, 1131e8d8bef9SDimitry Andric const ArgList &Args, 1132e8d8bef9SDimitry Andric ArgStringList &CmdArgs) { 1133fe6060f1SDimitry Andric // If no version was requested by the user, use the default value from the 1134fe6060f1SDimitry Andric // back end. This is consistent with the value returned from 1135fe6060f1SDimitry Andric // getAMDGPUCodeObjectVersion. This lets clang emit IR for amdgpu without 1136fe6060f1SDimitry Andric // requiring the corresponding llvm to have the AMDGPU target enabled, 1137fe6060f1SDimitry Andric // provided the user (e.g. front end tests) can use the default. 1138fe6060f1SDimitry Andric if (haveAMDGPUCodeObjectVersionArgument(D, Args)) { 1139fe6060f1SDimitry Andric unsigned CodeObjVer = getAMDGPUCodeObjectVersion(D, Args); 1140e8d8bef9SDimitry Andric CmdArgs.insert(CmdArgs.begin() + 1, 1141e8d8bef9SDimitry Andric Args.MakeArgString(Twine("--amdhsa-code-object-version=") + 1142e8d8bef9SDimitry Andric Twine(CodeObjVer))); 1143e8d8bef9SDimitry Andric CmdArgs.insert(CmdArgs.begin() + 1, "-mllvm"); 1144e8d8bef9SDimitry Andric } 1145fe6060f1SDimitry Andric } 11460b57cec5SDimitry Andric 11470b57cec5SDimitry Andric void Clang::AddPreprocessingOptions(Compilation &C, const JobAction &JA, 11480b57cec5SDimitry Andric const Driver &D, const ArgList &Args, 11490b57cec5SDimitry Andric ArgStringList &CmdArgs, 11500b57cec5SDimitry Andric const InputInfo &Output, 11510b57cec5SDimitry Andric const InputInfoList &Inputs) const { 11520b57cec5SDimitry Andric const bool IsIAMCU = getToolChain().getTriple().isOSIAMCU(); 11530b57cec5SDimitry Andric 11540b57cec5SDimitry Andric CheckPreprocessingOptions(D, Args); 11550b57cec5SDimitry Andric 11560b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_C); 11570b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_CC); 11580b57cec5SDimitry Andric 11590b57cec5SDimitry Andric // Handle dependency file generation. 1160a7dea167SDimitry Andric Arg *ArgM = Args.getLastArg(options::OPT_MM); 1161a7dea167SDimitry Andric if (!ArgM) 1162a7dea167SDimitry Andric ArgM = Args.getLastArg(options::OPT_M); 1163a7dea167SDimitry Andric Arg *ArgMD = Args.getLastArg(options::OPT_MMD); 1164a7dea167SDimitry Andric if (!ArgMD) 1165a7dea167SDimitry Andric ArgMD = Args.getLastArg(options::OPT_MD); 1166a7dea167SDimitry Andric 1167a7dea167SDimitry Andric // -M and -MM imply -w. 1168a7dea167SDimitry Andric if (ArgM) 1169a7dea167SDimitry Andric CmdArgs.push_back("-w"); 1170a7dea167SDimitry Andric else 1171a7dea167SDimitry Andric ArgM = ArgMD; 1172a7dea167SDimitry Andric 1173a7dea167SDimitry Andric if (ArgM) { 11740b57cec5SDimitry Andric // Determine the output location. 11750b57cec5SDimitry Andric const char *DepFile; 11760b57cec5SDimitry Andric if (Arg *MF = Args.getLastArg(options::OPT_MF)) { 11770b57cec5SDimitry Andric DepFile = MF->getValue(); 11780b57cec5SDimitry Andric C.addFailureResultFile(DepFile, &JA); 11790b57cec5SDimitry Andric } else if (Output.getType() == types::TY_Dependencies) { 11800b57cec5SDimitry Andric DepFile = Output.getFilename(); 1181a7dea167SDimitry Andric } else if (!ArgMD) { 11820b57cec5SDimitry Andric DepFile = "-"; 11830b57cec5SDimitry Andric } else { 11840b57cec5SDimitry Andric DepFile = getDependencyFileName(Args, Inputs); 11850b57cec5SDimitry Andric C.addFailureResultFile(DepFile, &JA); 11860b57cec5SDimitry Andric } 11870b57cec5SDimitry Andric CmdArgs.push_back("-dependency-file"); 11880b57cec5SDimitry Andric CmdArgs.push_back(DepFile); 11890b57cec5SDimitry Andric 1190a7dea167SDimitry Andric bool HasTarget = false; 1191a7dea167SDimitry Andric for (const Arg *A : Args.filtered(options::OPT_MT, options::OPT_MQ)) { 1192a7dea167SDimitry Andric HasTarget = true; 1193a7dea167SDimitry Andric A->claim(); 1194a7dea167SDimitry Andric if (A->getOption().matches(options::OPT_MT)) { 1195a7dea167SDimitry Andric A->render(Args, CmdArgs); 1196a7dea167SDimitry Andric } else { 1197a7dea167SDimitry Andric CmdArgs.push_back("-MT"); 1198a7dea167SDimitry Andric SmallString<128> Quoted; 1199a7dea167SDimitry Andric QuoteTarget(A->getValue(), Quoted); 1200a7dea167SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Quoted)); 1201a7dea167SDimitry Andric } 1202a7dea167SDimitry Andric } 1203a7dea167SDimitry Andric 12040b57cec5SDimitry Andric // Add a default target if one wasn't specified. 1205a7dea167SDimitry Andric if (!HasTarget) { 12060b57cec5SDimitry Andric const char *DepTarget; 12070b57cec5SDimitry Andric 12080b57cec5SDimitry Andric // If user provided -o, that is the dependency target, except 12090b57cec5SDimitry Andric // when we are only generating a dependency file. 12100b57cec5SDimitry Andric Arg *OutputOpt = Args.getLastArg(options::OPT_o); 12110b57cec5SDimitry Andric if (OutputOpt && Output.getType() != types::TY_Dependencies) { 12120b57cec5SDimitry Andric DepTarget = OutputOpt->getValue(); 12130b57cec5SDimitry Andric } else { 12140b57cec5SDimitry Andric // Otherwise derive from the base input. 12150b57cec5SDimitry Andric // 12160b57cec5SDimitry Andric // FIXME: This should use the computed output file location. 12170b57cec5SDimitry Andric SmallString<128> P(Inputs[0].getBaseInput()); 12180b57cec5SDimitry Andric llvm::sys::path::replace_extension(P, "o"); 12190b57cec5SDimitry Andric DepTarget = Args.MakeArgString(llvm::sys::path::filename(P)); 12200b57cec5SDimitry Andric } 12210b57cec5SDimitry Andric 12220b57cec5SDimitry Andric CmdArgs.push_back("-MT"); 12230b57cec5SDimitry Andric SmallString<128> Quoted; 12240b57cec5SDimitry Andric QuoteTarget(DepTarget, Quoted); 12250b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Quoted)); 12260b57cec5SDimitry Andric } 12270b57cec5SDimitry Andric 1228a7dea167SDimitry Andric if (ArgM->getOption().matches(options::OPT_M) || 1229a7dea167SDimitry Andric ArgM->getOption().matches(options::OPT_MD)) 12300b57cec5SDimitry Andric CmdArgs.push_back("-sys-header-deps"); 12310b57cec5SDimitry Andric if ((isa<PrecompileJobAction>(JA) && 12320b57cec5SDimitry Andric !Args.hasArg(options::OPT_fno_module_file_deps)) || 12330b57cec5SDimitry Andric Args.hasArg(options::OPT_fmodule_file_deps)) 12340b57cec5SDimitry Andric CmdArgs.push_back("-module-file-deps"); 12350b57cec5SDimitry Andric } 12360b57cec5SDimitry Andric 12370b57cec5SDimitry Andric if (Args.hasArg(options::OPT_MG)) { 1238a7dea167SDimitry Andric if (!ArgM || ArgM->getOption().matches(options::OPT_MD) || 1239a7dea167SDimitry Andric ArgM->getOption().matches(options::OPT_MMD)) 12400b57cec5SDimitry Andric D.Diag(diag::err_drv_mg_requires_m_or_mm); 12410b57cec5SDimitry Andric CmdArgs.push_back("-MG"); 12420b57cec5SDimitry Andric } 12430b57cec5SDimitry Andric 12440b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_MP); 12450b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_MV); 12460b57cec5SDimitry Andric 12475ffd83dbSDimitry Andric // Add offload include arguments specific for CUDA/HIP. This must happen 12485ffd83dbSDimitry Andric // before we -I or -include anything else, because we must pick up the 12495ffd83dbSDimitry Andric // CUDA/HIP headers from the particular CUDA/ROCm installation, rather than 12505ffd83dbSDimitry Andric // from e.g. /usr/local/include. 12510b57cec5SDimitry Andric if (JA.isOffloading(Action::OFK_Cuda)) 12520b57cec5SDimitry Andric getToolChain().AddCudaIncludeArgs(Args, CmdArgs); 12535ffd83dbSDimitry Andric if (JA.isOffloading(Action::OFK_HIP)) 12545ffd83dbSDimitry Andric getToolChain().AddHIPIncludeArgs(Args, CmdArgs); 12550b57cec5SDimitry Andric 12560b57cec5SDimitry Andric // If we are offloading to a target via OpenMP we need to include the 12570b57cec5SDimitry Andric // openmp_wrappers folder which contains alternative system headers. 12580b57cec5SDimitry Andric if (JA.isDeviceOffloading(Action::OFK_OpenMP) && 12590b57cec5SDimitry Andric getToolChain().getTriple().isNVPTX()){ 12600b57cec5SDimitry Andric if (!Args.hasArg(options::OPT_nobuiltininc)) { 12610b57cec5SDimitry Andric // Add openmp_wrappers/* to our system include path. This lets us wrap 12620b57cec5SDimitry Andric // standard library headers. 12630b57cec5SDimitry Andric SmallString<128> P(D.ResourceDir); 12640b57cec5SDimitry Andric llvm::sys::path::append(P, "include"); 12650b57cec5SDimitry Andric llvm::sys::path::append(P, "openmp_wrappers"); 12660b57cec5SDimitry Andric CmdArgs.push_back("-internal-isystem"); 12670b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(P)); 12680b57cec5SDimitry Andric } 12690b57cec5SDimitry Andric 12700b57cec5SDimitry Andric CmdArgs.push_back("-include"); 12715ffd83dbSDimitry Andric CmdArgs.push_back("__clang_openmp_device_functions.h"); 12720b57cec5SDimitry Andric } 12730b57cec5SDimitry Andric 12740b57cec5SDimitry Andric // Add -i* options, and automatically translate to 12750b57cec5SDimitry Andric // -include-pch/-include-pth for transparent PCH support. It's 12760b57cec5SDimitry Andric // wonky, but we include looking for .gch so we can support seamless 12770b57cec5SDimitry Andric // replacement into a build system already set up to be generating 12780b57cec5SDimitry Andric // .gch files. 12790b57cec5SDimitry Andric 12800b57cec5SDimitry Andric if (getToolChain().getDriver().IsCLMode()) { 12810b57cec5SDimitry Andric const Arg *YcArg = Args.getLastArg(options::OPT__SLASH_Yc); 12820b57cec5SDimitry Andric const Arg *YuArg = Args.getLastArg(options::OPT__SLASH_Yu); 12830b57cec5SDimitry Andric if (YcArg && JA.getKind() >= Action::PrecompileJobClass && 12840b57cec5SDimitry Andric JA.getKind() <= Action::AssembleJobClass) { 12850b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-building-pch-with-obj")); 1286f91b0c1cSDimitry Andric // -fpch-instantiate-templates is the default when creating 1287f91b0c1cSDimitry Andric // precomp using /Yc 1288f91b0c1cSDimitry Andric if (Args.hasFlag(options::OPT_fpch_instantiate_templates, 1289f91b0c1cSDimitry Andric options::OPT_fno_pch_instantiate_templates, true)) 12905ffd83dbSDimitry Andric CmdArgs.push_back(Args.MakeArgString("-fpch-instantiate-templates")); 12910b57cec5SDimitry Andric } 12920b57cec5SDimitry Andric if (YcArg || YuArg) { 12930b57cec5SDimitry Andric StringRef ThroughHeader = YcArg ? YcArg->getValue() : YuArg->getValue(); 12940b57cec5SDimitry Andric if (!isa<PrecompileJobAction>(JA)) { 12950b57cec5SDimitry Andric CmdArgs.push_back("-include-pch"); 12960b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(D.GetClPchPath( 12970b57cec5SDimitry Andric C, !ThroughHeader.empty() 12980b57cec5SDimitry Andric ? ThroughHeader 12990b57cec5SDimitry Andric : llvm::sys::path::filename(Inputs[0].getBaseInput())))); 13000b57cec5SDimitry Andric } 13010b57cec5SDimitry Andric 13020b57cec5SDimitry Andric if (ThroughHeader.empty()) { 13030b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString( 13040b57cec5SDimitry Andric Twine("-pch-through-hdrstop-") + (YcArg ? "create" : "use"))); 13050b57cec5SDimitry Andric } else { 13060b57cec5SDimitry Andric CmdArgs.push_back( 13070b57cec5SDimitry Andric Args.MakeArgString(Twine("-pch-through-header=") + ThroughHeader)); 13080b57cec5SDimitry Andric } 13090b57cec5SDimitry Andric } 13100b57cec5SDimitry Andric } 13110b57cec5SDimitry Andric 13120b57cec5SDimitry Andric bool RenderedImplicitInclude = false; 13130b57cec5SDimitry Andric for (const Arg *A : Args.filtered(options::OPT_clang_i_Group)) { 13140b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_include)) { 13150b57cec5SDimitry Andric // Handling of gcc-style gch precompiled headers. 13160b57cec5SDimitry Andric bool IsFirstImplicitInclude = !RenderedImplicitInclude; 13170b57cec5SDimitry Andric RenderedImplicitInclude = true; 13180b57cec5SDimitry Andric 13190b57cec5SDimitry Andric bool FoundPCH = false; 13200b57cec5SDimitry Andric SmallString<128> P(A->getValue()); 13210b57cec5SDimitry Andric // We want the files to have a name like foo.h.pch. Add a dummy extension 13220b57cec5SDimitry Andric // so that replace_extension does the right thing. 13230b57cec5SDimitry Andric P += ".dummy"; 13240b57cec5SDimitry Andric llvm::sys::path::replace_extension(P, "pch"); 13250b57cec5SDimitry Andric if (llvm::sys::fs::exists(P)) 13260b57cec5SDimitry Andric FoundPCH = true; 13270b57cec5SDimitry Andric 13280b57cec5SDimitry Andric if (!FoundPCH) { 13290b57cec5SDimitry Andric llvm::sys::path::replace_extension(P, "gch"); 13300b57cec5SDimitry Andric if (llvm::sys::fs::exists(P)) { 13310b57cec5SDimitry Andric FoundPCH = true; 13320b57cec5SDimitry Andric } 13330b57cec5SDimitry Andric } 13340b57cec5SDimitry Andric 13350b57cec5SDimitry Andric if (FoundPCH) { 13360b57cec5SDimitry Andric if (IsFirstImplicitInclude) { 13370b57cec5SDimitry Andric A->claim(); 13380b57cec5SDimitry Andric CmdArgs.push_back("-include-pch"); 13390b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(P)); 13400b57cec5SDimitry Andric continue; 13410b57cec5SDimitry Andric } else { 13420b57cec5SDimitry Andric // Ignore the PCH if not first on command line and emit warning. 13430b57cec5SDimitry Andric D.Diag(diag::warn_drv_pch_not_first_include) << P 13440b57cec5SDimitry Andric << A->getAsString(Args); 13450b57cec5SDimitry Andric } 13460b57cec5SDimitry Andric } 13470b57cec5SDimitry Andric } else if (A->getOption().matches(options::OPT_isystem_after)) { 13480b57cec5SDimitry Andric // Handling of paths which must come late. These entries are handled by 13490b57cec5SDimitry Andric // the toolchain itself after the resource dir is inserted in the right 13500b57cec5SDimitry Andric // search order. 13510b57cec5SDimitry Andric // Do not claim the argument so that the use of the argument does not 13520b57cec5SDimitry Andric // silently go unnoticed on toolchains which do not honour the option. 13530b57cec5SDimitry Andric continue; 1354a7dea167SDimitry Andric } else if (A->getOption().matches(options::OPT_stdlibxx_isystem)) { 1355a7dea167SDimitry Andric // Translated to -internal-isystem by the driver, no need to pass to cc1. 1356a7dea167SDimitry Andric continue; 13570b57cec5SDimitry Andric } 13580b57cec5SDimitry Andric 13590b57cec5SDimitry Andric // Not translated, render as usual. 13600b57cec5SDimitry Andric A->claim(); 13610b57cec5SDimitry Andric A->render(Args, CmdArgs); 13620b57cec5SDimitry Andric } 13630b57cec5SDimitry Andric 13640b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, 13650b57cec5SDimitry Andric {options::OPT_D, options::OPT_U, options::OPT_I_Group, 13660b57cec5SDimitry Andric options::OPT_F, options::OPT_index_header_map}); 13670b57cec5SDimitry Andric 13680b57cec5SDimitry Andric // Add -Wp, and -Xpreprocessor if using the preprocessor. 13690b57cec5SDimitry Andric 13700b57cec5SDimitry Andric // FIXME: There is a very unfortunate problem here, some troubled 13710b57cec5SDimitry Andric // souls abuse -Wp, to pass preprocessor options in gcc syntax. To 13720b57cec5SDimitry Andric // really support that we would have to parse and then translate 13730b57cec5SDimitry Andric // those options. :( 13740b57cec5SDimitry Andric Args.AddAllArgValues(CmdArgs, options::OPT_Wp_COMMA, 13750b57cec5SDimitry Andric options::OPT_Xpreprocessor); 13760b57cec5SDimitry Andric 13770b57cec5SDimitry Andric // -I- is a deprecated GCC feature, reject it. 13780b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_I_)) 13790b57cec5SDimitry Andric D.Diag(diag::err_drv_I_dash_not_supported) << A->getAsString(Args); 13800b57cec5SDimitry Andric 13810b57cec5SDimitry Andric // If we have a --sysroot, and don't have an explicit -isysroot flag, add an 13820b57cec5SDimitry Andric // -isysroot to the CC1 invocation. 13830b57cec5SDimitry Andric StringRef sysroot = C.getSysRoot(); 13840b57cec5SDimitry Andric if (sysroot != "") { 13850b57cec5SDimitry Andric if (!Args.hasArg(options::OPT_isysroot)) { 13860b57cec5SDimitry Andric CmdArgs.push_back("-isysroot"); 13870b57cec5SDimitry Andric CmdArgs.push_back(C.getArgs().MakeArgString(sysroot)); 13880b57cec5SDimitry Andric } 13890b57cec5SDimitry Andric } 13900b57cec5SDimitry Andric 13910b57cec5SDimitry Andric // Parse additional include paths from environment variables. 13920b57cec5SDimitry Andric // FIXME: We should probably sink the logic for handling these from the 13930b57cec5SDimitry Andric // frontend into the driver. It will allow deleting 4 otherwise unused flags. 13940b57cec5SDimitry Andric // CPATH - included following the user specified includes (but prior to 13950b57cec5SDimitry Andric // builtin and standard includes). 13960b57cec5SDimitry Andric addDirectoryList(Args, CmdArgs, "-I", "CPATH"); 13970b57cec5SDimitry Andric // C_INCLUDE_PATH - system includes enabled when compiling C. 13980b57cec5SDimitry Andric addDirectoryList(Args, CmdArgs, "-c-isystem", "C_INCLUDE_PATH"); 13990b57cec5SDimitry Andric // CPLUS_INCLUDE_PATH - system includes enabled when compiling C++. 14000b57cec5SDimitry Andric addDirectoryList(Args, CmdArgs, "-cxx-isystem", "CPLUS_INCLUDE_PATH"); 14010b57cec5SDimitry Andric // OBJC_INCLUDE_PATH - system includes enabled when compiling ObjC. 14020b57cec5SDimitry Andric addDirectoryList(Args, CmdArgs, "-objc-isystem", "OBJC_INCLUDE_PATH"); 14030b57cec5SDimitry Andric // OBJCPLUS_INCLUDE_PATH - system includes enabled when compiling ObjC++. 14040b57cec5SDimitry Andric addDirectoryList(Args, CmdArgs, "-objcxx-isystem", "OBJCPLUS_INCLUDE_PATH"); 14050b57cec5SDimitry Andric 14060b57cec5SDimitry Andric // While adding the include arguments, we also attempt to retrieve the 14070b57cec5SDimitry Andric // arguments of related offloading toolchains or arguments that are specific 14080b57cec5SDimitry Andric // of an offloading programming model. 14090b57cec5SDimitry Andric 14100b57cec5SDimitry Andric // Add C++ include arguments, if needed. 1411a7dea167SDimitry Andric if (types::isCXX(Inputs[0].getType())) { 1412a7dea167SDimitry Andric bool HasStdlibxxIsystem = Args.hasArg(options::OPT_stdlibxx_isystem); 1413a7dea167SDimitry Andric forAllAssociatedToolChains( 1414a7dea167SDimitry Andric C, JA, getToolChain(), 1415a7dea167SDimitry Andric [&Args, &CmdArgs, HasStdlibxxIsystem](const ToolChain &TC) { 1416a7dea167SDimitry Andric HasStdlibxxIsystem ? TC.AddClangCXXStdlibIsystemArgs(Args, CmdArgs) 1417a7dea167SDimitry Andric : TC.AddClangCXXStdlibIncludeArgs(Args, CmdArgs); 14180b57cec5SDimitry Andric }); 1419a7dea167SDimitry Andric } 14200b57cec5SDimitry Andric 14210b57cec5SDimitry Andric // Add system include arguments for all targets but IAMCU. 14220b57cec5SDimitry Andric if (!IsIAMCU) 14230b57cec5SDimitry Andric forAllAssociatedToolChains(C, JA, getToolChain(), 14240b57cec5SDimitry Andric [&Args, &CmdArgs](const ToolChain &TC) { 14250b57cec5SDimitry Andric TC.AddClangSystemIncludeArgs(Args, CmdArgs); 14260b57cec5SDimitry Andric }); 14270b57cec5SDimitry Andric else { 14280b57cec5SDimitry Andric // For IAMCU add special include arguments. 14290b57cec5SDimitry Andric getToolChain().AddIAMCUIncludeArgs(Args, CmdArgs); 14300b57cec5SDimitry Andric } 1431480093f4SDimitry Andric 1432480093f4SDimitry Andric addMacroPrefixMapArg(D, Args, CmdArgs); 1433fe6060f1SDimitry Andric addCoveragePrefixMapArg(D, Args, CmdArgs); 14340b57cec5SDimitry Andric } 14350b57cec5SDimitry Andric 14360b57cec5SDimitry Andric // FIXME: Move to target hook. 14370b57cec5SDimitry Andric static bool isSignedCharDefault(const llvm::Triple &Triple) { 14380b57cec5SDimitry Andric switch (Triple.getArch()) { 14390b57cec5SDimitry Andric default: 14400b57cec5SDimitry Andric return true; 14410b57cec5SDimitry Andric 14420b57cec5SDimitry Andric case llvm::Triple::aarch64: 1443480093f4SDimitry Andric case llvm::Triple::aarch64_32: 14440b57cec5SDimitry Andric case llvm::Triple::aarch64_be: 14450b57cec5SDimitry Andric case llvm::Triple::arm: 14460b57cec5SDimitry Andric case llvm::Triple::armeb: 14470b57cec5SDimitry Andric case llvm::Triple::thumb: 14480b57cec5SDimitry Andric case llvm::Triple::thumbeb: 14490b57cec5SDimitry Andric if (Triple.isOSDarwin() || Triple.isOSWindows()) 14500b57cec5SDimitry Andric return true; 14510b57cec5SDimitry Andric return false; 14520b57cec5SDimitry Andric 14530b57cec5SDimitry Andric case llvm::Triple::ppc: 14540b57cec5SDimitry Andric case llvm::Triple::ppc64: 14550b57cec5SDimitry Andric if (Triple.isOSDarwin()) 14560b57cec5SDimitry Andric return true; 14570b57cec5SDimitry Andric return false; 14580b57cec5SDimitry Andric 14590b57cec5SDimitry Andric case llvm::Triple::hexagon: 1460e8d8bef9SDimitry Andric case llvm::Triple::ppcle: 14610b57cec5SDimitry Andric case llvm::Triple::ppc64le: 14620b57cec5SDimitry Andric case llvm::Triple::riscv32: 14630b57cec5SDimitry Andric case llvm::Triple::riscv64: 14640b57cec5SDimitry Andric case llvm::Triple::systemz: 14650b57cec5SDimitry Andric case llvm::Triple::xcore: 14660b57cec5SDimitry Andric return false; 14670b57cec5SDimitry Andric } 14680b57cec5SDimitry Andric } 14690b57cec5SDimitry Andric 1470480093f4SDimitry Andric static bool hasMultipleInvocations(const llvm::Triple &Triple, 1471480093f4SDimitry Andric const ArgList &Args) { 1472480093f4SDimitry Andric // Supported only on Darwin where we invoke the compiler multiple times 1473480093f4SDimitry Andric // followed by an invocation to lipo. 1474480093f4SDimitry Andric if (!Triple.isOSDarwin()) 1475480093f4SDimitry Andric return false; 1476480093f4SDimitry Andric // If more than one "-arch <arch>" is specified, we're targeting multiple 1477480093f4SDimitry Andric // architectures resulting in a fat binary. 1478480093f4SDimitry Andric return Args.getAllArgValues(options::OPT_arch).size() > 1; 1479480093f4SDimitry Andric } 1480480093f4SDimitry Andric 1481480093f4SDimitry Andric static bool checkRemarksOptions(const Driver &D, const ArgList &Args, 1482480093f4SDimitry Andric const llvm::Triple &Triple) { 1483480093f4SDimitry Andric // When enabling remarks, we need to error if: 1484480093f4SDimitry Andric // * The remark file is specified but we're targeting multiple architectures, 1485480093f4SDimitry Andric // which means more than one remark file is being generated. 1486480093f4SDimitry Andric bool hasMultipleInvocations = ::hasMultipleInvocations(Triple, Args); 1487480093f4SDimitry Andric bool hasExplicitOutputFile = 1488480093f4SDimitry Andric Args.getLastArg(options::OPT_foptimization_record_file_EQ); 1489480093f4SDimitry Andric if (hasMultipleInvocations && hasExplicitOutputFile) { 1490480093f4SDimitry Andric D.Diag(diag::err_drv_invalid_output_with_multiple_archs) 1491480093f4SDimitry Andric << "-foptimization-record-file"; 1492480093f4SDimitry Andric return false; 1493480093f4SDimitry Andric } 1494480093f4SDimitry Andric return true; 1495480093f4SDimitry Andric } 1496480093f4SDimitry Andric 1497480093f4SDimitry Andric static void renderRemarksOptions(const ArgList &Args, ArgStringList &CmdArgs, 1498480093f4SDimitry Andric const llvm::Triple &Triple, 1499480093f4SDimitry Andric const InputInfo &Input, 1500480093f4SDimitry Andric const InputInfo &Output, const JobAction &JA) { 1501480093f4SDimitry Andric StringRef Format = "yaml"; 1502480093f4SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_fsave_optimization_record_EQ)) 1503480093f4SDimitry Andric Format = A->getValue(); 1504480093f4SDimitry Andric 1505480093f4SDimitry Andric CmdArgs.push_back("-opt-record-file"); 1506480093f4SDimitry Andric 1507480093f4SDimitry Andric const Arg *A = Args.getLastArg(options::OPT_foptimization_record_file_EQ); 1508480093f4SDimitry Andric if (A) { 1509480093f4SDimitry Andric CmdArgs.push_back(A->getValue()); 1510480093f4SDimitry Andric } else { 1511480093f4SDimitry Andric bool hasMultipleArchs = 1512480093f4SDimitry Andric Triple.isOSDarwin() && // Only supported on Darwin platforms. 1513480093f4SDimitry Andric Args.getAllArgValues(options::OPT_arch).size() > 1; 1514480093f4SDimitry Andric 1515480093f4SDimitry Andric SmallString<128> F; 1516480093f4SDimitry Andric 1517480093f4SDimitry Andric if (Args.hasArg(options::OPT_c) || Args.hasArg(options::OPT_S)) { 1518480093f4SDimitry Andric if (Arg *FinalOutput = Args.getLastArg(options::OPT_o)) 1519480093f4SDimitry Andric F = FinalOutput->getValue(); 1520480093f4SDimitry Andric } else { 1521480093f4SDimitry Andric if (Format != "yaml" && // For YAML, keep the original behavior. 1522480093f4SDimitry Andric Triple.isOSDarwin() && // Enable this only on darwin, since it's the only platform supporting .dSYM bundles. 1523480093f4SDimitry Andric Output.isFilename()) 1524480093f4SDimitry Andric F = Output.getFilename(); 1525480093f4SDimitry Andric } 1526480093f4SDimitry Andric 1527480093f4SDimitry Andric if (F.empty()) { 1528480093f4SDimitry Andric // Use the input filename. 1529480093f4SDimitry Andric F = llvm::sys::path::stem(Input.getBaseInput()); 1530480093f4SDimitry Andric 1531480093f4SDimitry Andric // If we're compiling for an offload architecture (i.e. a CUDA device), 1532480093f4SDimitry Andric // we need to make the file name for the device compilation different 1533480093f4SDimitry Andric // from the host compilation. 1534480093f4SDimitry Andric if (!JA.isDeviceOffloading(Action::OFK_None) && 1535480093f4SDimitry Andric !JA.isDeviceOffloading(Action::OFK_Host)) { 1536480093f4SDimitry Andric llvm::sys::path::replace_extension(F, ""); 1537480093f4SDimitry Andric F += Action::GetOffloadingFileNamePrefix(JA.getOffloadingDeviceKind(), 1538480093f4SDimitry Andric Triple.normalize()); 1539480093f4SDimitry Andric F += "-"; 1540480093f4SDimitry Andric F += JA.getOffloadingArch(); 1541480093f4SDimitry Andric } 1542480093f4SDimitry Andric } 1543480093f4SDimitry Andric 1544480093f4SDimitry Andric // If we're having more than one "-arch", we should name the files 1545480093f4SDimitry Andric // differently so that every cc1 invocation writes to a different file. 1546480093f4SDimitry Andric // We're doing that by appending "-<arch>" with "<arch>" being the arch 1547480093f4SDimitry Andric // name from the triple. 1548480093f4SDimitry Andric if (hasMultipleArchs) { 1549480093f4SDimitry Andric // First, remember the extension. 1550480093f4SDimitry Andric SmallString<64> OldExtension = llvm::sys::path::extension(F); 1551480093f4SDimitry Andric // then, remove it. 1552480093f4SDimitry Andric llvm::sys::path::replace_extension(F, ""); 1553480093f4SDimitry Andric // attach -<arch> to it. 1554480093f4SDimitry Andric F += "-"; 1555480093f4SDimitry Andric F += Triple.getArchName(); 1556480093f4SDimitry Andric // put back the extension. 1557480093f4SDimitry Andric llvm::sys::path::replace_extension(F, OldExtension); 1558480093f4SDimitry Andric } 1559480093f4SDimitry Andric 1560480093f4SDimitry Andric SmallString<32> Extension; 1561480093f4SDimitry Andric Extension += "opt."; 1562480093f4SDimitry Andric Extension += Format; 1563480093f4SDimitry Andric 1564480093f4SDimitry Andric llvm::sys::path::replace_extension(F, Extension); 1565480093f4SDimitry Andric CmdArgs.push_back(Args.MakeArgString(F)); 1566480093f4SDimitry Andric } 1567480093f4SDimitry Andric 1568480093f4SDimitry Andric if (const Arg *A = 1569480093f4SDimitry Andric Args.getLastArg(options::OPT_foptimization_record_passes_EQ)) { 1570480093f4SDimitry Andric CmdArgs.push_back("-opt-record-passes"); 1571480093f4SDimitry Andric CmdArgs.push_back(A->getValue()); 1572480093f4SDimitry Andric } 1573480093f4SDimitry Andric 1574480093f4SDimitry Andric if (!Format.empty()) { 1575480093f4SDimitry Andric CmdArgs.push_back("-opt-record-format"); 1576480093f4SDimitry Andric CmdArgs.push_back(Format.data()); 1577480093f4SDimitry Andric } 1578480093f4SDimitry Andric } 1579480093f4SDimitry Andric 1580fe6060f1SDimitry Andric void AddAAPCSVolatileBitfieldArgs(const ArgList &Args, ArgStringList &CmdArgs) { 1581fe6060f1SDimitry Andric if (!Args.hasFlag(options::OPT_faapcs_bitfield_width, 1582fe6060f1SDimitry Andric options::OPT_fno_aapcs_bitfield_width, true)) 1583fe6060f1SDimitry Andric CmdArgs.push_back("-fno-aapcs-bitfield-width"); 1584fe6060f1SDimitry Andric 1585fe6060f1SDimitry Andric if (Args.getLastArg(options::OPT_ForceAAPCSBitfieldLoad)) 1586fe6060f1SDimitry Andric CmdArgs.push_back("-faapcs-bitfield-load"); 1587fe6060f1SDimitry Andric } 1588fe6060f1SDimitry Andric 15890b57cec5SDimitry Andric namespace { 15900b57cec5SDimitry Andric void RenderARMABI(const llvm::Triple &Triple, const ArgList &Args, 15910b57cec5SDimitry Andric ArgStringList &CmdArgs) { 15920b57cec5SDimitry Andric // Select the ABI to use. 15930b57cec5SDimitry Andric // FIXME: Support -meabi. 15940b57cec5SDimitry Andric // FIXME: Parts of this are duplicated in the backend, unify this somehow. 15950b57cec5SDimitry Andric const char *ABIName = nullptr; 15960b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) { 15970b57cec5SDimitry Andric ABIName = A->getValue(); 15980b57cec5SDimitry Andric } else { 15990b57cec5SDimitry Andric std::string CPU = getCPUName(Args, Triple, /*FromAs*/ false); 16000b57cec5SDimitry Andric ABIName = llvm::ARM::computeDefaultTargetABI(Triple, CPU).data(); 16010b57cec5SDimitry Andric } 16020b57cec5SDimitry Andric 16030b57cec5SDimitry Andric CmdArgs.push_back("-target-abi"); 16040b57cec5SDimitry Andric CmdArgs.push_back(ABIName); 16050b57cec5SDimitry Andric } 16060b57cec5SDimitry Andric } 16070b57cec5SDimitry Andric 16080b57cec5SDimitry Andric void Clang::AddARMTargetArgs(const llvm::Triple &Triple, const ArgList &Args, 16090b57cec5SDimitry Andric ArgStringList &CmdArgs, bool KernelOrKext) const { 16100b57cec5SDimitry Andric RenderARMABI(Triple, Args, CmdArgs); 16110b57cec5SDimitry Andric 16120b57cec5SDimitry Andric // Determine floating point ABI from the options & target defaults. 16130b57cec5SDimitry Andric arm::FloatABI ABI = arm::getARMFloatABI(getToolChain(), Args); 16140b57cec5SDimitry Andric if (ABI == arm::FloatABI::Soft) { 16150b57cec5SDimitry Andric // Floating point operations and argument passing are soft. 16160b57cec5SDimitry Andric // FIXME: This changes CPP defines, we need -target-soft-float. 16170b57cec5SDimitry Andric CmdArgs.push_back("-msoft-float"); 16180b57cec5SDimitry Andric CmdArgs.push_back("-mfloat-abi"); 16190b57cec5SDimitry Andric CmdArgs.push_back("soft"); 16200b57cec5SDimitry Andric } else if (ABI == arm::FloatABI::SoftFP) { 16210b57cec5SDimitry Andric // Floating point operations are hard, but argument passing is soft. 16220b57cec5SDimitry Andric CmdArgs.push_back("-mfloat-abi"); 16230b57cec5SDimitry Andric CmdArgs.push_back("soft"); 16240b57cec5SDimitry Andric } else { 16250b57cec5SDimitry Andric // Floating point operations and argument passing are hard. 16260b57cec5SDimitry Andric assert(ABI == arm::FloatABI::Hard && "Invalid float abi!"); 16270b57cec5SDimitry Andric CmdArgs.push_back("-mfloat-abi"); 16280b57cec5SDimitry Andric CmdArgs.push_back("hard"); 16290b57cec5SDimitry Andric } 16300b57cec5SDimitry Andric 16310b57cec5SDimitry Andric // Forward the -mglobal-merge option for explicit control over the pass. 16320b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mglobal_merge, 16330b57cec5SDimitry Andric options::OPT_mno_global_merge)) { 16340b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 16350b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_mno_global_merge)) 16360b57cec5SDimitry Andric CmdArgs.push_back("-arm-global-merge=false"); 16370b57cec5SDimitry Andric else 16380b57cec5SDimitry Andric CmdArgs.push_back("-arm-global-merge=true"); 16390b57cec5SDimitry Andric } 16400b57cec5SDimitry Andric 16410b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_mimplicit_float, 16420b57cec5SDimitry Andric options::OPT_mno_implicit_float, true)) 16430b57cec5SDimitry Andric CmdArgs.push_back("-no-implicit-float"); 16440b57cec5SDimitry Andric 16450b57cec5SDimitry Andric if (Args.getLastArg(options::OPT_mcmse)) 16460b57cec5SDimitry Andric CmdArgs.push_back("-mcmse"); 1647fe6060f1SDimitry Andric 1648fe6060f1SDimitry Andric AddAAPCSVolatileBitfieldArgs(Args, CmdArgs); 16490b57cec5SDimitry Andric } 16500b57cec5SDimitry Andric 16510b57cec5SDimitry Andric void Clang::RenderTargetOptions(const llvm::Triple &EffectiveTriple, 16520b57cec5SDimitry Andric const ArgList &Args, bool KernelOrKext, 16530b57cec5SDimitry Andric ArgStringList &CmdArgs) const { 16540b57cec5SDimitry Andric const ToolChain &TC = getToolChain(); 16550b57cec5SDimitry Andric 16560b57cec5SDimitry Andric // Add the target features 16575ffd83dbSDimitry Andric getTargetFeatures(TC.getDriver(), EffectiveTriple, Args, CmdArgs, false); 16580b57cec5SDimitry Andric 16590b57cec5SDimitry Andric // Add target specific flags. 16600b57cec5SDimitry Andric switch (TC.getArch()) { 16610b57cec5SDimitry Andric default: 16620b57cec5SDimitry Andric break; 16630b57cec5SDimitry Andric 16640b57cec5SDimitry Andric case llvm::Triple::arm: 16650b57cec5SDimitry Andric case llvm::Triple::armeb: 16660b57cec5SDimitry Andric case llvm::Triple::thumb: 16670b57cec5SDimitry Andric case llvm::Triple::thumbeb: 16680b57cec5SDimitry Andric // Use the effective triple, which takes into account the deployment target. 16690b57cec5SDimitry Andric AddARMTargetArgs(EffectiveTriple, Args, CmdArgs, KernelOrKext); 16700b57cec5SDimitry Andric CmdArgs.push_back("-fallow-half-arguments-and-returns"); 16710b57cec5SDimitry Andric break; 16720b57cec5SDimitry Andric 16730b57cec5SDimitry Andric case llvm::Triple::aarch64: 1674480093f4SDimitry Andric case llvm::Triple::aarch64_32: 16750b57cec5SDimitry Andric case llvm::Triple::aarch64_be: 16760b57cec5SDimitry Andric AddAArch64TargetArgs(Args, CmdArgs); 16770b57cec5SDimitry Andric CmdArgs.push_back("-fallow-half-arguments-and-returns"); 16780b57cec5SDimitry Andric break; 16790b57cec5SDimitry Andric 16800b57cec5SDimitry Andric case llvm::Triple::mips: 16810b57cec5SDimitry Andric case llvm::Triple::mipsel: 16820b57cec5SDimitry Andric case llvm::Triple::mips64: 16830b57cec5SDimitry Andric case llvm::Triple::mips64el: 16840b57cec5SDimitry Andric AddMIPSTargetArgs(Args, CmdArgs); 16850b57cec5SDimitry Andric break; 16860b57cec5SDimitry Andric 16870b57cec5SDimitry Andric case llvm::Triple::ppc: 1688e8d8bef9SDimitry Andric case llvm::Triple::ppcle: 16890b57cec5SDimitry Andric case llvm::Triple::ppc64: 16900b57cec5SDimitry Andric case llvm::Triple::ppc64le: 16910b57cec5SDimitry Andric AddPPCTargetArgs(Args, CmdArgs); 16920b57cec5SDimitry Andric break; 16930b57cec5SDimitry Andric 16940b57cec5SDimitry Andric case llvm::Triple::riscv32: 16950b57cec5SDimitry Andric case llvm::Triple::riscv64: 16960b57cec5SDimitry Andric AddRISCVTargetArgs(Args, CmdArgs); 16970b57cec5SDimitry Andric break; 16980b57cec5SDimitry Andric 16990b57cec5SDimitry Andric case llvm::Triple::sparc: 17000b57cec5SDimitry Andric case llvm::Triple::sparcel: 17010b57cec5SDimitry Andric case llvm::Triple::sparcv9: 17020b57cec5SDimitry Andric AddSparcTargetArgs(Args, CmdArgs); 17030b57cec5SDimitry Andric break; 17040b57cec5SDimitry Andric 17050b57cec5SDimitry Andric case llvm::Triple::systemz: 17060b57cec5SDimitry Andric AddSystemZTargetArgs(Args, CmdArgs); 17070b57cec5SDimitry Andric break; 17080b57cec5SDimitry Andric 17090b57cec5SDimitry Andric case llvm::Triple::x86: 17100b57cec5SDimitry Andric case llvm::Triple::x86_64: 17110b57cec5SDimitry Andric AddX86TargetArgs(Args, CmdArgs); 17120b57cec5SDimitry Andric break; 17130b57cec5SDimitry Andric 17140b57cec5SDimitry Andric case llvm::Triple::lanai: 17150b57cec5SDimitry Andric AddLanaiTargetArgs(Args, CmdArgs); 17160b57cec5SDimitry Andric break; 17170b57cec5SDimitry Andric 17180b57cec5SDimitry Andric case llvm::Triple::hexagon: 17190b57cec5SDimitry Andric AddHexagonTargetArgs(Args, CmdArgs); 17200b57cec5SDimitry Andric break; 17210b57cec5SDimitry Andric 17220b57cec5SDimitry Andric case llvm::Triple::wasm32: 17230b57cec5SDimitry Andric case llvm::Triple::wasm64: 17240b57cec5SDimitry Andric AddWebAssemblyTargetArgs(Args, CmdArgs); 17250b57cec5SDimitry Andric break; 17265ffd83dbSDimitry Andric 17275ffd83dbSDimitry Andric case llvm::Triple::ve: 17285ffd83dbSDimitry Andric AddVETargetArgs(Args, CmdArgs); 17295ffd83dbSDimitry Andric break; 17300b57cec5SDimitry Andric } 17310b57cec5SDimitry Andric } 17320b57cec5SDimitry Andric 17330b57cec5SDimitry Andric namespace { 17340b57cec5SDimitry Andric void RenderAArch64ABI(const llvm::Triple &Triple, const ArgList &Args, 17350b57cec5SDimitry Andric ArgStringList &CmdArgs) { 17360b57cec5SDimitry Andric const char *ABIName = nullptr; 17370b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ)) 17380b57cec5SDimitry Andric ABIName = A->getValue(); 17390b57cec5SDimitry Andric else if (Triple.isOSDarwin()) 17400b57cec5SDimitry Andric ABIName = "darwinpcs"; 17410b57cec5SDimitry Andric else 17420b57cec5SDimitry Andric ABIName = "aapcs"; 17430b57cec5SDimitry Andric 17440b57cec5SDimitry Andric CmdArgs.push_back("-target-abi"); 17450b57cec5SDimitry Andric CmdArgs.push_back(ABIName); 17460b57cec5SDimitry Andric } 17470b57cec5SDimitry Andric } 17480b57cec5SDimitry Andric 17490b57cec5SDimitry Andric void Clang::AddAArch64TargetArgs(const ArgList &Args, 17500b57cec5SDimitry Andric ArgStringList &CmdArgs) const { 17510b57cec5SDimitry Andric const llvm::Triple &Triple = getToolChain().getEffectiveTriple(); 17520b57cec5SDimitry Andric 17530b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_mred_zone, options::OPT_mno_red_zone, true) || 17540b57cec5SDimitry Andric Args.hasArg(options::OPT_mkernel) || 17550b57cec5SDimitry Andric Args.hasArg(options::OPT_fapple_kext)) 17560b57cec5SDimitry Andric CmdArgs.push_back("-disable-red-zone"); 17570b57cec5SDimitry Andric 17580b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_mimplicit_float, 17590b57cec5SDimitry Andric options::OPT_mno_implicit_float, true)) 17600b57cec5SDimitry Andric CmdArgs.push_back("-no-implicit-float"); 17610b57cec5SDimitry Andric 17620b57cec5SDimitry Andric RenderAArch64ABI(Triple, Args, CmdArgs); 17630b57cec5SDimitry Andric 17640b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mfix_cortex_a53_835769, 17650b57cec5SDimitry Andric options::OPT_mno_fix_cortex_a53_835769)) { 17660b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 17670b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_mfix_cortex_a53_835769)) 17680b57cec5SDimitry Andric CmdArgs.push_back("-aarch64-fix-cortex-a53-835769=1"); 17690b57cec5SDimitry Andric else 17700b57cec5SDimitry Andric CmdArgs.push_back("-aarch64-fix-cortex-a53-835769=0"); 17710b57cec5SDimitry Andric } else if (Triple.isAndroid()) { 17720b57cec5SDimitry Andric // Enabled A53 errata (835769) workaround by default on android 17730b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 17740b57cec5SDimitry Andric CmdArgs.push_back("-aarch64-fix-cortex-a53-835769=1"); 17750b57cec5SDimitry Andric } 17760b57cec5SDimitry Andric 17770b57cec5SDimitry Andric // Forward the -mglobal-merge option for explicit control over the pass. 17780b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mglobal_merge, 17790b57cec5SDimitry Andric options::OPT_mno_global_merge)) { 17800b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 17810b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_mno_global_merge)) 17820b57cec5SDimitry Andric CmdArgs.push_back("-aarch64-enable-global-merge=false"); 17830b57cec5SDimitry Andric else 17840b57cec5SDimitry Andric CmdArgs.push_back("-aarch64-enable-global-merge=true"); 17850b57cec5SDimitry Andric } 17860b57cec5SDimitry Andric 17870b57cec5SDimitry Andric // Enable/disable return address signing and indirect branch targets. 17880b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_msign_return_address_EQ, 17890b57cec5SDimitry Andric options::OPT_mbranch_protection_EQ)) { 17900b57cec5SDimitry Andric 17910b57cec5SDimitry Andric const Driver &D = getToolChain().getDriver(); 17920b57cec5SDimitry Andric 17930b57cec5SDimitry Andric StringRef Scope, Key; 17940b57cec5SDimitry Andric bool IndirectBranches; 17950b57cec5SDimitry Andric 17960b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_msign_return_address_EQ)) { 17970b57cec5SDimitry Andric Scope = A->getValue(); 17980b57cec5SDimitry Andric if (!Scope.equals("none") && !Scope.equals("non-leaf") && 17990b57cec5SDimitry Andric !Scope.equals("all")) 18000b57cec5SDimitry Andric D.Diag(diag::err_invalid_branch_protection) 18010b57cec5SDimitry Andric << Scope << A->getAsString(Args); 18020b57cec5SDimitry Andric Key = "a_key"; 18030b57cec5SDimitry Andric IndirectBranches = false; 1804480093f4SDimitry Andric } else { 1805480093f4SDimitry Andric StringRef Err; 1806480093f4SDimitry Andric llvm::AArch64::ParsedBranchProtection PBP; 1807480093f4SDimitry Andric if (!llvm::AArch64::parseBranchProtection(A->getValue(), PBP, Err)) 1808480093f4SDimitry Andric D.Diag(diag::err_invalid_branch_protection) 1809480093f4SDimitry Andric << Err << A->getAsString(Args); 1810480093f4SDimitry Andric Scope = PBP.Scope; 1811480093f4SDimitry Andric Key = PBP.Key; 1812480093f4SDimitry Andric IndirectBranches = PBP.BranchTargetEnforcement; 1813480093f4SDimitry Andric } 18140b57cec5SDimitry Andric 18150b57cec5SDimitry Andric CmdArgs.push_back( 18160b57cec5SDimitry Andric Args.MakeArgString(Twine("-msign-return-address=") + Scope)); 18170b57cec5SDimitry Andric CmdArgs.push_back( 18180b57cec5SDimitry Andric Args.MakeArgString(Twine("-msign-return-address-key=") + Key)); 18190b57cec5SDimitry Andric if (IndirectBranches) 18200b57cec5SDimitry Andric CmdArgs.push_back("-mbranch-target-enforce"); 18210b57cec5SDimitry Andric } 1822e8d8bef9SDimitry Andric 1823e8d8bef9SDimitry Andric // Handle -msve_vector_bits=<bits> 1824e8d8bef9SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_msve_vector_bits_EQ)) { 1825e8d8bef9SDimitry Andric StringRef Val = A->getValue(); 1826e8d8bef9SDimitry Andric const Driver &D = getToolChain().getDriver(); 1827e8d8bef9SDimitry Andric if (Val.equals("128") || Val.equals("256") || Val.equals("512") || 1828e8d8bef9SDimitry Andric Val.equals("1024") || Val.equals("2048")) 1829e8d8bef9SDimitry Andric CmdArgs.push_back( 1830e8d8bef9SDimitry Andric Args.MakeArgString(llvm::Twine("-msve-vector-bits=") + Val)); 1831e8d8bef9SDimitry Andric // Silently drop requests for vector-length agnostic code as it's implied. 1832e8d8bef9SDimitry Andric else if (!Val.equals("scalable")) 1833e8d8bef9SDimitry Andric // Handle the unsupported values passed to msve-vector-bits. 1834e8d8bef9SDimitry Andric D.Diag(diag::err_drv_unsupported_option_argument) 1835e8d8bef9SDimitry Andric << A->getOption().getName() << Val; 1836e8d8bef9SDimitry Andric } 1837fe6060f1SDimitry Andric 1838fe6060f1SDimitry Andric AddAAPCSVolatileBitfieldArgs(Args, CmdArgs); 18390b57cec5SDimitry Andric } 18400b57cec5SDimitry Andric 18410b57cec5SDimitry Andric void Clang::AddMIPSTargetArgs(const ArgList &Args, 18420b57cec5SDimitry Andric ArgStringList &CmdArgs) const { 18430b57cec5SDimitry Andric const Driver &D = getToolChain().getDriver(); 18440b57cec5SDimitry Andric StringRef CPUName; 18450b57cec5SDimitry Andric StringRef ABIName; 18460b57cec5SDimitry Andric const llvm::Triple &Triple = getToolChain().getTriple(); 18470b57cec5SDimitry Andric mips::getMipsCPUAndABI(Args, Triple, CPUName, ABIName); 18480b57cec5SDimitry Andric 18490b57cec5SDimitry Andric CmdArgs.push_back("-target-abi"); 18500b57cec5SDimitry Andric CmdArgs.push_back(ABIName.data()); 18510b57cec5SDimitry Andric 18520b57cec5SDimitry Andric mips::FloatABI ABI = mips::getMipsFloatABI(D, Args, Triple); 18530b57cec5SDimitry Andric if (ABI == mips::FloatABI::Soft) { 18540b57cec5SDimitry Andric // Floating point operations and argument passing are soft. 18550b57cec5SDimitry Andric CmdArgs.push_back("-msoft-float"); 18560b57cec5SDimitry Andric CmdArgs.push_back("-mfloat-abi"); 18570b57cec5SDimitry Andric CmdArgs.push_back("soft"); 18580b57cec5SDimitry Andric } else { 18590b57cec5SDimitry Andric // Floating point operations and argument passing are hard. 18600b57cec5SDimitry Andric assert(ABI == mips::FloatABI::Hard && "Invalid float abi!"); 18610b57cec5SDimitry Andric CmdArgs.push_back("-mfloat-abi"); 18620b57cec5SDimitry Andric CmdArgs.push_back("hard"); 18630b57cec5SDimitry Andric } 18640b57cec5SDimitry Andric 18650b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mldc1_sdc1, 18660b57cec5SDimitry Andric options::OPT_mno_ldc1_sdc1)) { 18670b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_mno_ldc1_sdc1)) { 18680b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 18690b57cec5SDimitry Andric CmdArgs.push_back("-mno-ldc1-sdc1"); 18700b57cec5SDimitry Andric } 18710b57cec5SDimitry Andric } 18720b57cec5SDimitry Andric 18730b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mcheck_zero_division, 18740b57cec5SDimitry Andric options::OPT_mno_check_zero_division)) { 18750b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_mno_check_zero_division)) { 18760b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 18770b57cec5SDimitry Andric CmdArgs.push_back("-mno-check-zero-division"); 18780b57cec5SDimitry Andric } 18790b57cec5SDimitry Andric } 18800b57cec5SDimitry Andric 18810b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_G)) { 18820b57cec5SDimitry Andric StringRef v = A->getValue(); 18830b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 18840b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-mips-ssection-threshold=" + v)); 18850b57cec5SDimitry Andric A->claim(); 18860b57cec5SDimitry Andric } 18870b57cec5SDimitry Andric 18880b57cec5SDimitry Andric Arg *GPOpt = Args.getLastArg(options::OPT_mgpopt, options::OPT_mno_gpopt); 18890b57cec5SDimitry Andric Arg *ABICalls = 18900b57cec5SDimitry Andric Args.getLastArg(options::OPT_mabicalls, options::OPT_mno_abicalls); 18910b57cec5SDimitry Andric 18920b57cec5SDimitry Andric // -mabicalls is the default for many MIPS environments, even with -fno-pic. 18930b57cec5SDimitry Andric // -mgpopt is the default for static, -fno-pic environments but these two 18940b57cec5SDimitry Andric // options conflict. We want to be certain that -mno-abicalls -mgpopt is 18950b57cec5SDimitry Andric // the only case where -mllvm -mgpopt is passed. 18960b57cec5SDimitry Andric // NOTE: We need a warning here or in the backend to warn when -mgpopt is 18970b57cec5SDimitry Andric // passed explicitly when compiling something with -mabicalls 18980b57cec5SDimitry Andric // (implictly) in affect. Currently the warning is in the backend. 18990b57cec5SDimitry Andric // 19000b57cec5SDimitry Andric // When the ABI in use is N64, we also need to determine the PIC mode that 19010b57cec5SDimitry Andric // is in use, as -fno-pic for N64 implies -mno-abicalls. 19020b57cec5SDimitry Andric bool NoABICalls = 19030b57cec5SDimitry Andric ABICalls && ABICalls->getOption().matches(options::OPT_mno_abicalls); 19040b57cec5SDimitry Andric 19050b57cec5SDimitry Andric llvm::Reloc::Model RelocationModel; 19060b57cec5SDimitry Andric unsigned PICLevel; 19070b57cec5SDimitry Andric bool IsPIE; 19080b57cec5SDimitry Andric std::tie(RelocationModel, PICLevel, IsPIE) = 19090b57cec5SDimitry Andric ParsePICArgs(getToolChain(), Args); 19100b57cec5SDimitry Andric 19110b57cec5SDimitry Andric NoABICalls = NoABICalls || 19120b57cec5SDimitry Andric (RelocationModel == llvm::Reloc::Static && ABIName == "n64"); 19130b57cec5SDimitry Andric 19140b57cec5SDimitry Andric bool WantGPOpt = GPOpt && GPOpt->getOption().matches(options::OPT_mgpopt); 19150b57cec5SDimitry Andric // We quietly ignore -mno-gpopt as the backend defaults to -mno-gpopt. 19160b57cec5SDimitry Andric if (NoABICalls && (!GPOpt || WantGPOpt)) { 19170b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 19180b57cec5SDimitry Andric CmdArgs.push_back("-mgpopt"); 19190b57cec5SDimitry Andric 19200b57cec5SDimitry Andric Arg *LocalSData = Args.getLastArg(options::OPT_mlocal_sdata, 19210b57cec5SDimitry Andric options::OPT_mno_local_sdata); 19220b57cec5SDimitry Andric Arg *ExternSData = Args.getLastArg(options::OPT_mextern_sdata, 19230b57cec5SDimitry Andric options::OPT_mno_extern_sdata); 19240b57cec5SDimitry Andric Arg *EmbeddedData = Args.getLastArg(options::OPT_membedded_data, 19250b57cec5SDimitry Andric options::OPT_mno_embedded_data); 19260b57cec5SDimitry Andric if (LocalSData) { 19270b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 19280b57cec5SDimitry Andric if (LocalSData->getOption().matches(options::OPT_mlocal_sdata)) { 19290b57cec5SDimitry Andric CmdArgs.push_back("-mlocal-sdata=1"); 19300b57cec5SDimitry Andric } else { 19310b57cec5SDimitry Andric CmdArgs.push_back("-mlocal-sdata=0"); 19320b57cec5SDimitry Andric } 19330b57cec5SDimitry Andric LocalSData->claim(); 19340b57cec5SDimitry Andric } 19350b57cec5SDimitry Andric 19360b57cec5SDimitry Andric if (ExternSData) { 19370b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 19380b57cec5SDimitry Andric if (ExternSData->getOption().matches(options::OPT_mextern_sdata)) { 19390b57cec5SDimitry Andric CmdArgs.push_back("-mextern-sdata=1"); 19400b57cec5SDimitry Andric } else { 19410b57cec5SDimitry Andric CmdArgs.push_back("-mextern-sdata=0"); 19420b57cec5SDimitry Andric } 19430b57cec5SDimitry Andric ExternSData->claim(); 19440b57cec5SDimitry Andric } 19450b57cec5SDimitry Andric 19460b57cec5SDimitry Andric if (EmbeddedData) { 19470b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 19480b57cec5SDimitry Andric if (EmbeddedData->getOption().matches(options::OPT_membedded_data)) { 19490b57cec5SDimitry Andric CmdArgs.push_back("-membedded-data=1"); 19500b57cec5SDimitry Andric } else { 19510b57cec5SDimitry Andric CmdArgs.push_back("-membedded-data=0"); 19520b57cec5SDimitry Andric } 19530b57cec5SDimitry Andric EmbeddedData->claim(); 19540b57cec5SDimitry Andric } 19550b57cec5SDimitry Andric 19560b57cec5SDimitry Andric } else if ((!ABICalls || (!NoABICalls && ABICalls)) && WantGPOpt) 19570b57cec5SDimitry Andric D.Diag(diag::warn_drv_unsupported_gpopt) << (ABICalls ? 0 : 1); 19580b57cec5SDimitry Andric 19590b57cec5SDimitry Andric if (GPOpt) 19600b57cec5SDimitry Andric GPOpt->claim(); 19610b57cec5SDimitry Andric 19620b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mcompact_branches_EQ)) { 19630b57cec5SDimitry Andric StringRef Val = StringRef(A->getValue()); 19640b57cec5SDimitry Andric if (mips::hasCompactBranches(CPUName)) { 19650b57cec5SDimitry Andric if (Val == "never" || Val == "always" || Val == "optimal") { 19660b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 19670b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-mips-compact-branches=" + Val)); 19680b57cec5SDimitry Andric } else 19690b57cec5SDimitry Andric D.Diag(diag::err_drv_unsupported_option_argument) 19700b57cec5SDimitry Andric << A->getOption().getName() << Val; 19710b57cec5SDimitry Andric } else 19720b57cec5SDimitry Andric D.Diag(diag::warn_target_unsupported_compact_branches) << CPUName; 19730b57cec5SDimitry Andric } 19740b57cec5SDimitry Andric 19750b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mrelax_pic_calls, 19760b57cec5SDimitry Andric options::OPT_mno_relax_pic_calls)) { 19770b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_mno_relax_pic_calls)) { 19780b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 19790b57cec5SDimitry Andric CmdArgs.push_back("-mips-jalr-reloc=0"); 19800b57cec5SDimitry Andric } 19810b57cec5SDimitry Andric } 19820b57cec5SDimitry Andric } 19830b57cec5SDimitry Andric 19840b57cec5SDimitry Andric void Clang::AddPPCTargetArgs(const ArgList &Args, 19850b57cec5SDimitry Andric ArgStringList &CmdArgs) const { 19860b57cec5SDimitry Andric // Select the ABI to use. 19870b57cec5SDimitry Andric const char *ABIName = nullptr; 1988480093f4SDimitry Andric const llvm::Triple &T = getToolChain().getTriple(); 1989480093f4SDimitry Andric if (T.isOSBinFormatELF()) { 19900b57cec5SDimitry Andric switch (getToolChain().getArch()) { 19910b57cec5SDimitry Andric case llvm::Triple::ppc64: { 199275b4d546SDimitry Andric if ((T.isOSFreeBSD() && T.getOSMajorVersion() >= 13) || 199375b4d546SDimitry Andric T.isOSOpenBSD() || T.isMusl()) 1994480093f4SDimitry Andric ABIName = "elfv2"; 1995480093f4SDimitry Andric else 19960b57cec5SDimitry Andric ABIName = "elfv1"; 19970b57cec5SDimitry Andric break; 19980b57cec5SDimitry Andric } 19990b57cec5SDimitry Andric case llvm::Triple::ppc64le: 20000b57cec5SDimitry Andric ABIName = "elfv2"; 20010b57cec5SDimitry Andric break; 20020b57cec5SDimitry Andric default: 20030b57cec5SDimitry Andric break; 20040b57cec5SDimitry Andric } 2005480093f4SDimitry Andric } 20060b57cec5SDimitry Andric 20070b57cec5SDimitry Andric bool IEEELongDouble = false; 20080b57cec5SDimitry Andric for (const Arg *A : Args.filtered(options::OPT_mabi_EQ)) { 20090b57cec5SDimitry Andric StringRef V = A->getValue(); 20100b57cec5SDimitry Andric if (V == "ieeelongdouble") 20110b57cec5SDimitry Andric IEEELongDouble = true; 20120b57cec5SDimitry Andric else if (V == "ibmlongdouble") 20130b57cec5SDimitry Andric IEEELongDouble = false; 20140b57cec5SDimitry Andric else if (V != "altivec") 20150b57cec5SDimitry Andric // The ppc64 linux abis are all "altivec" abis by default. Accept and ignore 20160b57cec5SDimitry Andric // the option if given as we don't have backend support for any targets 20170b57cec5SDimitry Andric // that don't use the altivec abi. 20180b57cec5SDimitry Andric ABIName = A->getValue(); 20190b57cec5SDimitry Andric } 20200b57cec5SDimitry Andric if (IEEELongDouble) 20210b57cec5SDimitry Andric CmdArgs.push_back("-mabi=ieeelongdouble"); 20220b57cec5SDimitry Andric 20230b57cec5SDimitry Andric ppc::FloatABI FloatABI = 20240b57cec5SDimitry Andric ppc::getPPCFloatABI(getToolChain().getDriver(), Args); 20250b57cec5SDimitry Andric 20260b57cec5SDimitry Andric if (FloatABI == ppc::FloatABI::Soft) { 20270b57cec5SDimitry Andric // Floating point operations and argument passing are soft. 20280b57cec5SDimitry Andric CmdArgs.push_back("-msoft-float"); 20290b57cec5SDimitry Andric CmdArgs.push_back("-mfloat-abi"); 20300b57cec5SDimitry Andric CmdArgs.push_back("soft"); 20310b57cec5SDimitry Andric } else { 20320b57cec5SDimitry Andric // Floating point operations and argument passing are hard. 20330b57cec5SDimitry Andric assert(FloatABI == ppc::FloatABI::Hard && "Invalid float abi!"); 20340b57cec5SDimitry Andric CmdArgs.push_back("-mfloat-abi"); 20350b57cec5SDimitry Andric CmdArgs.push_back("hard"); 20360b57cec5SDimitry Andric } 20370b57cec5SDimitry Andric 20380b57cec5SDimitry Andric if (ABIName) { 20390b57cec5SDimitry Andric CmdArgs.push_back("-target-abi"); 20400b57cec5SDimitry Andric CmdArgs.push_back(ABIName); 20410b57cec5SDimitry Andric } 20420b57cec5SDimitry Andric } 20430b57cec5SDimitry Andric 20445ffd83dbSDimitry Andric static void SetRISCVSmallDataLimit(const ToolChain &TC, const ArgList &Args, 20455ffd83dbSDimitry Andric ArgStringList &CmdArgs) { 20465ffd83dbSDimitry Andric const Driver &D = TC.getDriver(); 20475ffd83dbSDimitry Andric const llvm::Triple &Triple = TC.getTriple(); 20485ffd83dbSDimitry Andric // Default small data limitation is eight. 20495ffd83dbSDimitry Andric const char *SmallDataLimit = "8"; 20505ffd83dbSDimitry Andric // Get small data limitation. 20515ffd83dbSDimitry Andric if (Args.getLastArg(options::OPT_shared, options::OPT_fpic, 20525ffd83dbSDimitry Andric options::OPT_fPIC)) { 20535ffd83dbSDimitry Andric // Not support linker relaxation for PIC. 20545ffd83dbSDimitry Andric SmallDataLimit = "0"; 20555ffd83dbSDimitry Andric if (Args.hasArg(options::OPT_G)) { 20565ffd83dbSDimitry Andric D.Diag(diag::warn_drv_unsupported_sdata); 20575ffd83dbSDimitry Andric } 20585ffd83dbSDimitry Andric } else if (Args.getLastArgValue(options::OPT_mcmodel_EQ) 2059fe6060f1SDimitry Andric .equals_insensitive("large") && 20605ffd83dbSDimitry Andric (Triple.getArch() == llvm::Triple::riscv64)) { 20615ffd83dbSDimitry Andric // Not support linker relaxation for RV64 with large code model. 20625ffd83dbSDimitry Andric SmallDataLimit = "0"; 20635ffd83dbSDimitry Andric if (Args.hasArg(options::OPT_G)) { 20645ffd83dbSDimitry Andric D.Diag(diag::warn_drv_unsupported_sdata); 20655ffd83dbSDimitry Andric } 20665ffd83dbSDimitry Andric } else if (Arg *A = Args.getLastArg(options::OPT_G)) { 20675ffd83dbSDimitry Andric SmallDataLimit = A->getValue(); 20685ffd83dbSDimitry Andric } 20695ffd83dbSDimitry Andric // Forward the -msmall-data-limit= option. 20705ffd83dbSDimitry Andric CmdArgs.push_back("-msmall-data-limit"); 20715ffd83dbSDimitry Andric CmdArgs.push_back(SmallDataLimit); 20725ffd83dbSDimitry Andric } 20735ffd83dbSDimitry Andric 20740b57cec5SDimitry Andric void Clang::AddRISCVTargetArgs(const ArgList &Args, 20750b57cec5SDimitry Andric ArgStringList &CmdArgs) const { 20760b57cec5SDimitry Andric const llvm::Triple &Triple = getToolChain().getTriple(); 2077a7dea167SDimitry Andric StringRef ABIName = riscv::getRISCVABI(Args, Triple); 20780b57cec5SDimitry Andric 20790b57cec5SDimitry Andric CmdArgs.push_back("-target-abi"); 2080a7dea167SDimitry Andric CmdArgs.push_back(ABIName.data()); 20815ffd83dbSDimitry Andric 20825ffd83dbSDimitry Andric SetRISCVSmallDataLimit(getToolChain(), Args, CmdArgs); 2083e8d8bef9SDimitry Andric 2084e8d8bef9SDimitry Andric std::string TuneCPU; 2085e8d8bef9SDimitry Andric 2086e8d8bef9SDimitry Andric if (const Arg *A = Args.getLastArg(clang::driver::options::OPT_mtune_EQ)) { 2087e8d8bef9SDimitry Andric StringRef Name = A->getValue(); 2088e8d8bef9SDimitry Andric 2089e8d8bef9SDimitry Andric Name = llvm::RISCV::resolveTuneCPUAlias(Name, Triple.isArch64Bit()); 2090e8d8bef9SDimitry Andric TuneCPU = std::string(Name); 2091e8d8bef9SDimitry Andric } 2092e8d8bef9SDimitry Andric 2093e8d8bef9SDimitry Andric if (!TuneCPU.empty()) { 2094e8d8bef9SDimitry Andric CmdArgs.push_back("-tune-cpu"); 2095e8d8bef9SDimitry Andric CmdArgs.push_back(Args.MakeArgString(TuneCPU)); 2096e8d8bef9SDimitry Andric } 20970b57cec5SDimitry Andric } 20980b57cec5SDimitry Andric 20990b57cec5SDimitry Andric void Clang::AddSparcTargetArgs(const ArgList &Args, 21000b57cec5SDimitry Andric ArgStringList &CmdArgs) const { 21010b57cec5SDimitry Andric sparc::FloatABI FloatABI = 21020b57cec5SDimitry Andric sparc::getSparcFloatABI(getToolChain().getDriver(), Args); 21030b57cec5SDimitry Andric 21040b57cec5SDimitry Andric if (FloatABI == sparc::FloatABI::Soft) { 21050b57cec5SDimitry Andric // Floating point operations and argument passing are soft. 21060b57cec5SDimitry Andric CmdArgs.push_back("-msoft-float"); 21070b57cec5SDimitry Andric CmdArgs.push_back("-mfloat-abi"); 21080b57cec5SDimitry Andric CmdArgs.push_back("soft"); 21090b57cec5SDimitry Andric } else { 21100b57cec5SDimitry Andric // Floating point operations and argument passing are hard. 21110b57cec5SDimitry Andric assert(FloatABI == sparc::FloatABI::Hard && "Invalid float abi!"); 21120b57cec5SDimitry Andric CmdArgs.push_back("-mfloat-abi"); 21130b57cec5SDimitry Andric CmdArgs.push_back("hard"); 21140b57cec5SDimitry Andric } 21150b57cec5SDimitry Andric } 21160b57cec5SDimitry Andric 21170b57cec5SDimitry Andric void Clang::AddSystemZTargetArgs(const ArgList &Args, 21180b57cec5SDimitry Andric ArgStringList &CmdArgs) const { 2119480093f4SDimitry Andric bool HasBackchain = Args.hasFlag(options::OPT_mbackchain, 2120480093f4SDimitry Andric options::OPT_mno_backchain, false); 2121480093f4SDimitry Andric bool HasPackedStack = Args.hasFlag(options::OPT_mpacked_stack, 2122480093f4SDimitry Andric options::OPT_mno_packed_stack, false); 21235ffd83dbSDimitry Andric systemz::FloatABI FloatABI = 21245ffd83dbSDimitry Andric systemz::getSystemZFloatABI(getToolChain().getDriver(), Args); 21255ffd83dbSDimitry Andric bool HasSoftFloat = (FloatABI == systemz::FloatABI::Soft); 21265ffd83dbSDimitry Andric if (HasBackchain && HasPackedStack && !HasSoftFloat) { 2127480093f4SDimitry Andric const Driver &D = getToolChain().getDriver(); 2128480093f4SDimitry Andric D.Diag(diag::err_drv_unsupported_opt) 21295ffd83dbSDimitry Andric << "-mpacked-stack -mbackchain -mhard-float"; 2130480093f4SDimitry Andric } 2131480093f4SDimitry Andric if (HasBackchain) 21320b57cec5SDimitry Andric CmdArgs.push_back("-mbackchain"); 2133480093f4SDimitry Andric if (HasPackedStack) 2134480093f4SDimitry Andric CmdArgs.push_back("-mpacked-stack"); 21355ffd83dbSDimitry Andric if (HasSoftFloat) { 21365ffd83dbSDimitry Andric // Floating point operations and argument passing are soft. 21375ffd83dbSDimitry Andric CmdArgs.push_back("-msoft-float"); 21385ffd83dbSDimitry Andric CmdArgs.push_back("-mfloat-abi"); 21395ffd83dbSDimitry Andric CmdArgs.push_back("soft"); 2140480093f4SDimitry Andric } 21410b57cec5SDimitry Andric } 21420b57cec5SDimitry Andric 21430b57cec5SDimitry Andric void Clang::AddX86TargetArgs(const ArgList &Args, 21440b57cec5SDimitry Andric ArgStringList &CmdArgs) const { 2145480093f4SDimitry Andric const Driver &D = getToolChain().getDriver(); 21465ffd83dbSDimitry Andric addX86AlignBranchArgs(D, Args, CmdArgs, /*IsLTO=*/false); 2147480093f4SDimitry Andric 21480b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_mred_zone, options::OPT_mno_red_zone, true) || 21490b57cec5SDimitry Andric Args.hasArg(options::OPT_mkernel) || 21500b57cec5SDimitry Andric Args.hasArg(options::OPT_fapple_kext)) 21510b57cec5SDimitry Andric CmdArgs.push_back("-disable-red-zone"); 21520b57cec5SDimitry Andric 21530b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_mtls_direct_seg_refs, 21540b57cec5SDimitry Andric options::OPT_mno_tls_direct_seg_refs, true)) 21550b57cec5SDimitry Andric CmdArgs.push_back("-mno-tls-direct-seg-refs"); 21560b57cec5SDimitry Andric 21570b57cec5SDimitry Andric // Default to avoid implicit floating-point for kernel/kext code, but allow 21580b57cec5SDimitry Andric // that to be overridden with -mno-soft-float. 21590b57cec5SDimitry Andric bool NoImplicitFloat = (Args.hasArg(options::OPT_mkernel) || 21600b57cec5SDimitry Andric Args.hasArg(options::OPT_fapple_kext)); 21610b57cec5SDimitry Andric if (Arg *A = Args.getLastArg( 21620b57cec5SDimitry Andric options::OPT_msoft_float, options::OPT_mno_soft_float, 21630b57cec5SDimitry Andric options::OPT_mimplicit_float, options::OPT_mno_implicit_float)) { 21640b57cec5SDimitry Andric const Option &O = A->getOption(); 21650b57cec5SDimitry Andric NoImplicitFloat = (O.matches(options::OPT_mno_implicit_float) || 21660b57cec5SDimitry Andric O.matches(options::OPT_msoft_float)); 21670b57cec5SDimitry Andric } 21680b57cec5SDimitry Andric if (NoImplicitFloat) 21690b57cec5SDimitry Andric CmdArgs.push_back("-no-implicit-float"); 21700b57cec5SDimitry Andric 21710b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_masm_EQ)) { 21720b57cec5SDimitry Andric StringRef Value = A->getValue(); 21730b57cec5SDimitry Andric if (Value == "intel" || Value == "att") { 21740b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 21750b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-x86-asm-syntax=" + Value)); 21760b57cec5SDimitry Andric } else { 2177480093f4SDimitry Andric D.Diag(diag::err_drv_unsupported_option_argument) 21780b57cec5SDimitry Andric << A->getOption().getName() << Value; 21790b57cec5SDimitry Andric } 2180480093f4SDimitry Andric } else if (D.IsCLMode()) { 21810b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 21820b57cec5SDimitry Andric CmdArgs.push_back("-x86-asm-syntax=intel"); 21830b57cec5SDimitry Andric } 21840b57cec5SDimitry Andric 21850b57cec5SDimitry Andric // Set flags to support MCU ABI. 21860b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_miamcu, options::OPT_mno_iamcu, false)) { 21870b57cec5SDimitry Andric CmdArgs.push_back("-mfloat-abi"); 21880b57cec5SDimitry Andric CmdArgs.push_back("soft"); 21890b57cec5SDimitry Andric CmdArgs.push_back("-mstack-alignment=4"); 21900b57cec5SDimitry Andric } 2191e8d8bef9SDimitry Andric 2192e8d8bef9SDimitry Andric // Handle -mtune. 2193e8d8bef9SDimitry Andric 2194e8d8bef9SDimitry Andric // Default to "generic" unless -march is present or targetting the PS4. 2195e8d8bef9SDimitry Andric std::string TuneCPU; 2196e8d8bef9SDimitry Andric if (!Args.hasArg(clang::driver::options::OPT_march_EQ) && 2197e8d8bef9SDimitry Andric !getToolChain().getTriple().isPS4CPU()) 2198e8d8bef9SDimitry Andric TuneCPU = "generic"; 2199e8d8bef9SDimitry Andric 2200e8d8bef9SDimitry Andric // Override based on -mtune. 2201e8d8bef9SDimitry Andric if (const Arg *A = Args.getLastArg(clang::driver::options::OPT_mtune_EQ)) { 2202e8d8bef9SDimitry Andric StringRef Name = A->getValue(); 2203e8d8bef9SDimitry Andric 2204e8d8bef9SDimitry Andric if (Name == "native") { 2205e8d8bef9SDimitry Andric Name = llvm::sys::getHostCPUName(); 2206e8d8bef9SDimitry Andric if (!Name.empty()) 2207e8d8bef9SDimitry Andric TuneCPU = std::string(Name); 2208e8d8bef9SDimitry Andric } else 2209e8d8bef9SDimitry Andric TuneCPU = std::string(Name); 2210e8d8bef9SDimitry Andric } 2211e8d8bef9SDimitry Andric 2212e8d8bef9SDimitry Andric if (!TuneCPU.empty()) { 2213e8d8bef9SDimitry Andric CmdArgs.push_back("-tune-cpu"); 2214e8d8bef9SDimitry Andric CmdArgs.push_back(Args.MakeArgString(TuneCPU)); 2215e8d8bef9SDimitry Andric } 22160b57cec5SDimitry Andric } 22170b57cec5SDimitry Andric 22180b57cec5SDimitry Andric void Clang::AddHexagonTargetArgs(const ArgList &Args, 22190b57cec5SDimitry Andric ArgStringList &CmdArgs) const { 22200b57cec5SDimitry Andric CmdArgs.push_back("-mqdsp6-compat"); 22210b57cec5SDimitry Andric CmdArgs.push_back("-Wreturn-type"); 22220b57cec5SDimitry Andric 22230b57cec5SDimitry Andric if (auto G = toolchains::HexagonToolChain::getSmallDataThreshold(Args)) { 22240b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 22250b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-hexagon-small-data-threshold=" + 22260b57cec5SDimitry Andric Twine(G.getValue()))); 22270b57cec5SDimitry Andric } 22280b57cec5SDimitry Andric 22290b57cec5SDimitry Andric if (!Args.hasArg(options::OPT_fno_short_enums)) 22300b57cec5SDimitry Andric CmdArgs.push_back("-fshort-enums"); 22310b57cec5SDimitry Andric if (Args.getLastArg(options::OPT_mieee_rnd_near)) { 22320b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 22330b57cec5SDimitry Andric CmdArgs.push_back("-enable-hexagon-ieee-rnd-near"); 22340b57cec5SDimitry Andric } 22350b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 22360b57cec5SDimitry Andric CmdArgs.push_back("-machine-sink-split=0"); 22370b57cec5SDimitry Andric } 22380b57cec5SDimitry Andric 22390b57cec5SDimitry Andric void Clang::AddLanaiTargetArgs(const ArgList &Args, 22400b57cec5SDimitry Andric ArgStringList &CmdArgs) const { 22410b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mcpu_EQ)) { 22420b57cec5SDimitry Andric StringRef CPUName = A->getValue(); 22430b57cec5SDimitry Andric 22440b57cec5SDimitry Andric CmdArgs.push_back("-target-cpu"); 22450b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(CPUName)); 22460b57cec5SDimitry Andric } 22470b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mregparm_EQ)) { 22480b57cec5SDimitry Andric StringRef Value = A->getValue(); 22490b57cec5SDimitry Andric // Only support mregparm=4 to support old usage. Report error for all other 22500b57cec5SDimitry Andric // cases. 22510b57cec5SDimitry Andric int Mregparm; 22520b57cec5SDimitry Andric if (Value.getAsInteger(10, Mregparm)) { 22530b57cec5SDimitry Andric if (Mregparm != 4) { 22540b57cec5SDimitry Andric getToolChain().getDriver().Diag( 22550b57cec5SDimitry Andric diag::err_drv_unsupported_option_argument) 22560b57cec5SDimitry Andric << A->getOption().getName() << Value; 22570b57cec5SDimitry Andric } 22580b57cec5SDimitry Andric } 22590b57cec5SDimitry Andric } 22600b57cec5SDimitry Andric } 22610b57cec5SDimitry Andric 22620b57cec5SDimitry Andric void Clang::AddWebAssemblyTargetArgs(const ArgList &Args, 22630b57cec5SDimitry Andric ArgStringList &CmdArgs) const { 22640b57cec5SDimitry Andric // Default to "hidden" visibility. 22650b57cec5SDimitry Andric if (!Args.hasArg(options::OPT_fvisibility_EQ, 22660b57cec5SDimitry Andric options::OPT_fvisibility_ms_compat)) { 22670b57cec5SDimitry Andric CmdArgs.push_back("-fvisibility"); 22680b57cec5SDimitry Andric CmdArgs.push_back("hidden"); 22690b57cec5SDimitry Andric } 22700b57cec5SDimitry Andric } 22710b57cec5SDimitry Andric 22725ffd83dbSDimitry Andric void Clang::AddVETargetArgs(const ArgList &Args, ArgStringList &CmdArgs) const { 22735ffd83dbSDimitry Andric // Floating point operations and argument passing are hard. 22745ffd83dbSDimitry Andric CmdArgs.push_back("-mfloat-abi"); 22755ffd83dbSDimitry Andric CmdArgs.push_back("hard"); 22765ffd83dbSDimitry Andric } 22775ffd83dbSDimitry Andric 22780b57cec5SDimitry Andric void Clang::DumpCompilationDatabase(Compilation &C, StringRef Filename, 22790b57cec5SDimitry Andric StringRef Target, const InputInfo &Output, 22800b57cec5SDimitry Andric const InputInfo &Input, const ArgList &Args) const { 22810b57cec5SDimitry Andric // If this is a dry run, do not create the compilation database file. 22820b57cec5SDimitry Andric if (C.getArgs().hasArg(options::OPT__HASH_HASH_HASH)) 22830b57cec5SDimitry Andric return; 22840b57cec5SDimitry Andric 22850b57cec5SDimitry Andric using llvm::yaml::escape; 22860b57cec5SDimitry Andric const Driver &D = getToolChain().getDriver(); 22870b57cec5SDimitry Andric 22880b57cec5SDimitry Andric if (!CompilationDatabase) { 22890b57cec5SDimitry Andric std::error_code EC; 2290fe6060f1SDimitry Andric auto File = std::make_unique<llvm::raw_fd_ostream>( 2291fe6060f1SDimitry Andric Filename, EC, llvm::sys::fs::OF_TextWithCRLF); 22920b57cec5SDimitry Andric if (EC) { 22930b57cec5SDimitry Andric D.Diag(clang::diag::err_drv_compilationdatabase) << Filename 22940b57cec5SDimitry Andric << EC.message(); 22950b57cec5SDimitry Andric return; 22960b57cec5SDimitry Andric } 22970b57cec5SDimitry Andric CompilationDatabase = std::move(File); 22980b57cec5SDimitry Andric } 22990b57cec5SDimitry Andric auto &CDB = *CompilationDatabase; 2300a7dea167SDimitry Andric auto CWD = D.getVFS().getCurrentWorkingDirectory(); 2301a7dea167SDimitry Andric if (!CWD) 2302a7dea167SDimitry Andric CWD = "."; 2303a7dea167SDimitry Andric CDB << "{ \"directory\": \"" << escape(*CWD) << "\""; 23040b57cec5SDimitry Andric CDB << ", \"file\": \"" << escape(Input.getFilename()) << "\""; 23050b57cec5SDimitry Andric CDB << ", \"output\": \"" << escape(Output.getFilename()) << "\""; 23060b57cec5SDimitry Andric CDB << ", \"arguments\": [\"" << escape(D.ClangExecutable) << "\""; 2307a7dea167SDimitry Andric SmallString<128> Buf; 23080b57cec5SDimitry Andric Buf = "-x"; 23090b57cec5SDimitry Andric Buf += types::getTypeName(Input.getType()); 23100b57cec5SDimitry Andric CDB << ", \"" << escape(Buf) << "\""; 23110b57cec5SDimitry Andric if (!D.SysRoot.empty() && !Args.hasArg(options::OPT__sysroot_EQ)) { 23120b57cec5SDimitry Andric Buf = "--sysroot="; 23130b57cec5SDimitry Andric Buf += D.SysRoot; 23140b57cec5SDimitry Andric CDB << ", \"" << escape(Buf) << "\""; 23150b57cec5SDimitry Andric } 23160b57cec5SDimitry Andric CDB << ", \"" << escape(Input.getFilename()) << "\""; 23170b57cec5SDimitry Andric for (auto &A: Args) { 23180b57cec5SDimitry Andric auto &O = A->getOption(); 23190b57cec5SDimitry Andric // Skip language selection, which is positional. 23200b57cec5SDimitry Andric if (O.getID() == options::OPT_x) 23210b57cec5SDimitry Andric continue; 23220b57cec5SDimitry Andric // Skip writing dependency output and the compilation database itself. 23230b57cec5SDimitry Andric if (O.getGroup().isValid() && O.getGroup().getID() == options::OPT_M_Group) 23240b57cec5SDimitry Andric continue; 2325a7dea167SDimitry Andric if (O.getID() == options::OPT_gen_cdb_fragment_path) 2326a7dea167SDimitry Andric continue; 23270b57cec5SDimitry Andric // Skip inputs. 23280b57cec5SDimitry Andric if (O.getKind() == Option::InputClass) 23290b57cec5SDimitry Andric continue; 23300b57cec5SDimitry Andric // All other arguments are quoted and appended. 23310b57cec5SDimitry Andric ArgStringList ASL; 23320b57cec5SDimitry Andric A->render(Args, ASL); 23330b57cec5SDimitry Andric for (auto &it: ASL) 23340b57cec5SDimitry Andric CDB << ", \"" << escape(it) << "\""; 23350b57cec5SDimitry Andric } 23360b57cec5SDimitry Andric Buf = "--target="; 23370b57cec5SDimitry Andric Buf += Target; 23380b57cec5SDimitry Andric CDB << ", \"" << escape(Buf) << "\"]},\n"; 23390b57cec5SDimitry Andric } 23400b57cec5SDimitry Andric 2341a7dea167SDimitry Andric void Clang::DumpCompilationDatabaseFragmentToDir( 2342a7dea167SDimitry Andric StringRef Dir, Compilation &C, StringRef Target, const InputInfo &Output, 2343a7dea167SDimitry Andric const InputInfo &Input, const llvm::opt::ArgList &Args) const { 2344a7dea167SDimitry Andric // If this is a dry run, do not create the compilation database file. 2345a7dea167SDimitry Andric if (C.getArgs().hasArg(options::OPT__HASH_HASH_HASH)) 2346a7dea167SDimitry Andric return; 2347a7dea167SDimitry Andric 2348a7dea167SDimitry Andric if (CompilationDatabase) 2349a7dea167SDimitry Andric DumpCompilationDatabase(C, "", Target, Output, Input, Args); 2350a7dea167SDimitry Andric 2351a7dea167SDimitry Andric SmallString<256> Path = Dir; 2352a7dea167SDimitry Andric const auto &Driver = C.getDriver(); 2353a7dea167SDimitry Andric Driver.getVFS().makeAbsolute(Path); 2354a7dea167SDimitry Andric auto Err = llvm::sys::fs::create_directory(Path, /*IgnoreExisting=*/true); 2355a7dea167SDimitry Andric if (Err) { 2356a7dea167SDimitry Andric Driver.Diag(diag::err_drv_compilationdatabase) << Dir << Err.message(); 2357a7dea167SDimitry Andric return; 2358a7dea167SDimitry Andric } 2359a7dea167SDimitry Andric 2360a7dea167SDimitry Andric llvm::sys::path::append( 2361a7dea167SDimitry Andric Path, 2362a7dea167SDimitry Andric Twine(llvm::sys::path::filename(Input.getFilename())) + ".%%%%.json"); 2363a7dea167SDimitry Andric int FD; 2364a7dea167SDimitry Andric SmallString<256> TempPath; 2365fe6060f1SDimitry Andric Err = llvm::sys::fs::createUniqueFile(Path, FD, TempPath, 2366fe6060f1SDimitry Andric llvm::sys::fs::OF_Text); 2367a7dea167SDimitry Andric if (Err) { 2368a7dea167SDimitry Andric Driver.Diag(diag::err_drv_compilationdatabase) << Path << Err.message(); 2369a7dea167SDimitry Andric return; 2370a7dea167SDimitry Andric } 2371a7dea167SDimitry Andric CompilationDatabase = 2372a7dea167SDimitry Andric std::make_unique<llvm::raw_fd_ostream>(FD, /*shouldClose=*/true); 2373a7dea167SDimitry Andric DumpCompilationDatabase(C, "", Target, Output, Input, Args); 2374a7dea167SDimitry Andric } 2375a7dea167SDimitry Andric 2376fe6060f1SDimitry Andric static bool CheckARMImplicitITArg(StringRef Value) { 2377fe6060f1SDimitry Andric return Value == "always" || Value == "never" || Value == "arm" || 2378fe6060f1SDimitry Andric Value == "thumb"; 2379fe6060f1SDimitry Andric } 2380fe6060f1SDimitry Andric 2381fe6060f1SDimitry Andric static void AddARMImplicitITArgs(const ArgList &Args, ArgStringList &CmdArgs, 2382fe6060f1SDimitry Andric StringRef Value) { 2383fe6060f1SDimitry Andric CmdArgs.push_back("-mllvm"); 2384fe6060f1SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-arm-implicit-it=" + Value)); 2385fe6060f1SDimitry Andric } 2386fe6060f1SDimitry Andric 23870b57cec5SDimitry Andric static void CollectArgsForIntegratedAssembler(Compilation &C, 23880b57cec5SDimitry Andric const ArgList &Args, 23890b57cec5SDimitry Andric ArgStringList &CmdArgs, 23900b57cec5SDimitry Andric const Driver &D) { 23910b57cec5SDimitry Andric if (UseRelaxAll(C, Args)) 23920b57cec5SDimitry Andric CmdArgs.push_back("-mrelax-all"); 23930b57cec5SDimitry Andric 23940b57cec5SDimitry Andric // Only default to -mincremental-linker-compatible if we think we are 23950b57cec5SDimitry Andric // targeting the MSVC linker. 23960b57cec5SDimitry Andric bool DefaultIncrementalLinkerCompatible = 23970b57cec5SDimitry Andric C.getDefaultToolChain().getTriple().isWindowsMSVCEnvironment(); 23980b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_mincremental_linker_compatible, 23990b57cec5SDimitry Andric options::OPT_mno_incremental_linker_compatible, 24000b57cec5SDimitry Andric DefaultIncrementalLinkerCompatible)) 24010b57cec5SDimitry Andric CmdArgs.push_back("-mincremental-linker-compatible"); 24020b57cec5SDimitry Andric 2403a7dea167SDimitry Andric // If you add more args here, also add them to the block below that 2404a7dea167SDimitry Andric // starts with "// If CollectArgsForIntegratedAssembler() isn't called below". 2405a7dea167SDimitry Andric 24060b57cec5SDimitry Andric // When passing -I arguments to the assembler we sometimes need to 24070b57cec5SDimitry Andric // unconditionally take the next argument. For example, when parsing 24080b57cec5SDimitry Andric // '-Wa,-I -Wa,foo' we need to accept the -Wa,foo arg after seeing the 24090b57cec5SDimitry Andric // -Wa,-I arg and when parsing '-Wa,-I,foo' we need to accept the 'foo' 24100b57cec5SDimitry Andric // arg after parsing the '-I' arg. 24110b57cec5SDimitry Andric bool TakeNextArg = false; 24120b57cec5SDimitry Andric 24130b57cec5SDimitry Andric bool UseRelaxRelocations = C.getDefaultToolChain().useRelaxRelocations(); 24140b57cec5SDimitry Andric bool UseNoExecStack = C.getDefaultToolChain().isNoExecStackDefault(); 24150b57cec5SDimitry Andric const char *MipsTargetFeature = nullptr; 2416fe6060f1SDimitry Andric StringRef ImplicitIt; 24170b57cec5SDimitry Andric for (const Arg *A : 2418fe6060f1SDimitry Andric Args.filtered(options::OPT_Wa_COMMA, options::OPT_Xassembler, 2419fe6060f1SDimitry Andric options::OPT_mimplicit_it_EQ)) { 24200b57cec5SDimitry Andric A->claim(); 24210b57cec5SDimitry Andric 2422fe6060f1SDimitry Andric if (A->getOption().getID() == options::OPT_mimplicit_it_EQ) { 2423fe6060f1SDimitry Andric switch (C.getDefaultToolChain().getArch()) { 2424fe6060f1SDimitry Andric case llvm::Triple::arm: 2425fe6060f1SDimitry Andric case llvm::Triple::armeb: 2426fe6060f1SDimitry Andric case llvm::Triple::thumb: 2427fe6060f1SDimitry Andric case llvm::Triple::thumbeb: 2428fe6060f1SDimitry Andric // Only store the value; the last value set takes effect. 2429fe6060f1SDimitry Andric ImplicitIt = A->getValue(); 2430fe6060f1SDimitry Andric if (!CheckARMImplicitITArg(ImplicitIt)) 2431fe6060f1SDimitry Andric D.Diag(diag::err_drv_unsupported_option_argument) 2432fe6060f1SDimitry Andric << A->getOption().getName() << ImplicitIt; 2433fe6060f1SDimitry Andric continue; 2434fe6060f1SDimitry Andric default: 2435fe6060f1SDimitry Andric break; 2436fe6060f1SDimitry Andric } 2437fe6060f1SDimitry Andric } 2438fe6060f1SDimitry Andric 24390b57cec5SDimitry Andric for (StringRef Value : A->getValues()) { 24400b57cec5SDimitry Andric if (TakeNextArg) { 24410b57cec5SDimitry Andric CmdArgs.push_back(Value.data()); 24420b57cec5SDimitry Andric TakeNextArg = false; 24430b57cec5SDimitry Andric continue; 24440b57cec5SDimitry Andric } 24450b57cec5SDimitry Andric 24460b57cec5SDimitry Andric if (C.getDefaultToolChain().getTriple().isOSBinFormatCOFF() && 24470b57cec5SDimitry Andric Value == "-mbig-obj") 24480b57cec5SDimitry Andric continue; // LLVM handles bigobj automatically 24490b57cec5SDimitry Andric 24500b57cec5SDimitry Andric switch (C.getDefaultToolChain().getArch()) { 24510b57cec5SDimitry Andric default: 24520b57cec5SDimitry Andric break; 24530b57cec5SDimitry Andric case llvm::Triple::thumb: 24540b57cec5SDimitry Andric case llvm::Triple::thumbeb: 24550b57cec5SDimitry Andric case llvm::Triple::arm: 24560b57cec5SDimitry Andric case llvm::Triple::armeb: 2457fe6060f1SDimitry Andric if (Value.startswith("-mimplicit-it=")) { 2458fe6060f1SDimitry Andric // Only store the value; the last value set takes effect. 2459fe6060f1SDimitry Andric ImplicitIt = Value.split("=").second; 2460fe6060f1SDimitry Andric if (CheckARMImplicitITArg(ImplicitIt)) 2461fe6060f1SDimitry Andric continue; 2462fe6060f1SDimitry Andric } 24630b57cec5SDimitry Andric if (Value == "-mthumb") 24640b57cec5SDimitry Andric // -mthumb has already been processed in ComputeLLVMTriple() 24650b57cec5SDimitry Andric // recognize but skip over here. 24660b57cec5SDimitry Andric continue; 24670b57cec5SDimitry Andric break; 24680b57cec5SDimitry Andric case llvm::Triple::mips: 24690b57cec5SDimitry Andric case llvm::Triple::mipsel: 24700b57cec5SDimitry Andric case llvm::Triple::mips64: 24710b57cec5SDimitry Andric case llvm::Triple::mips64el: 24720b57cec5SDimitry Andric if (Value == "--trap") { 24730b57cec5SDimitry Andric CmdArgs.push_back("-target-feature"); 24740b57cec5SDimitry Andric CmdArgs.push_back("+use-tcc-in-div"); 24750b57cec5SDimitry Andric continue; 24760b57cec5SDimitry Andric } 24770b57cec5SDimitry Andric if (Value == "--break") { 24780b57cec5SDimitry Andric CmdArgs.push_back("-target-feature"); 24790b57cec5SDimitry Andric CmdArgs.push_back("-use-tcc-in-div"); 24800b57cec5SDimitry Andric continue; 24810b57cec5SDimitry Andric } 24820b57cec5SDimitry Andric if (Value.startswith("-msoft-float")) { 24830b57cec5SDimitry Andric CmdArgs.push_back("-target-feature"); 24840b57cec5SDimitry Andric CmdArgs.push_back("+soft-float"); 24850b57cec5SDimitry Andric continue; 24860b57cec5SDimitry Andric } 24870b57cec5SDimitry Andric if (Value.startswith("-mhard-float")) { 24880b57cec5SDimitry Andric CmdArgs.push_back("-target-feature"); 24890b57cec5SDimitry Andric CmdArgs.push_back("-soft-float"); 24900b57cec5SDimitry Andric continue; 24910b57cec5SDimitry Andric } 24920b57cec5SDimitry Andric 24930b57cec5SDimitry Andric MipsTargetFeature = llvm::StringSwitch<const char *>(Value) 24940b57cec5SDimitry Andric .Case("-mips1", "+mips1") 24950b57cec5SDimitry Andric .Case("-mips2", "+mips2") 24960b57cec5SDimitry Andric .Case("-mips3", "+mips3") 24970b57cec5SDimitry Andric .Case("-mips4", "+mips4") 24980b57cec5SDimitry Andric .Case("-mips5", "+mips5") 24990b57cec5SDimitry Andric .Case("-mips32", "+mips32") 25000b57cec5SDimitry Andric .Case("-mips32r2", "+mips32r2") 25010b57cec5SDimitry Andric .Case("-mips32r3", "+mips32r3") 25020b57cec5SDimitry Andric .Case("-mips32r5", "+mips32r5") 25030b57cec5SDimitry Andric .Case("-mips32r6", "+mips32r6") 25040b57cec5SDimitry Andric .Case("-mips64", "+mips64") 25050b57cec5SDimitry Andric .Case("-mips64r2", "+mips64r2") 25060b57cec5SDimitry Andric .Case("-mips64r3", "+mips64r3") 25070b57cec5SDimitry Andric .Case("-mips64r5", "+mips64r5") 25080b57cec5SDimitry Andric .Case("-mips64r6", "+mips64r6") 25090b57cec5SDimitry Andric .Default(nullptr); 25100b57cec5SDimitry Andric if (MipsTargetFeature) 25110b57cec5SDimitry Andric continue; 25120b57cec5SDimitry Andric } 25130b57cec5SDimitry Andric 25140b57cec5SDimitry Andric if (Value == "-force_cpusubtype_ALL") { 25150b57cec5SDimitry Andric // Do nothing, this is the default and we don't support anything else. 25160b57cec5SDimitry Andric } else if (Value == "-L") { 25170b57cec5SDimitry Andric CmdArgs.push_back("-msave-temp-labels"); 25180b57cec5SDimitry Andric } else if (Value == "--fatal-warnings") { 25190b57cec5SDimitry Andric CmdArgs.push_back("-massembler-fatal-warnings"); 2520a7dea167SDimitry Andric } else if (Value == "--no-warn" || Value == "-W") { 2521a7dea167SDimitry Andric CmdArgs.push_back("-massembler-no-warn"); 25220b57cec5SDimitry Andric } else if (Value == "--noexecstack") { 25230b57cec5SDimitry Andric UseNoExecStack = true; 25240b57cec5SDimitry Andric } else if (Value.startswith("-compress-debug-sections") || 25250b57cec5SDimitry Andric Value.startswith("--compress-debug-sections") || 25260b57cec5SDimitry Andric Value == "-nocompress-debug-sections" || 25270b57cec5SDimitry Andric Value == "--nocompress-debug-sections") { 25280b57cec5SDimitry Andric CmdArgs.push_back(Value.data()); 25290b57cec5SDimitry Andric } else if (Value == "-mrelax-relocations=yes" || 25300b57cec5SDimitry Andric Value == "--mrelax-relocations=yes") { 25310b57cec5SDimitry Andric UseRelaxRelocations = true; 25320b57cec5SDimitry Andric } else if (Value == "-mrelax-relocations=no" || 25330b57cec5SDimitry Andric Value == "--mrelax-relocations=no") { 25340b57cec5SDimitry Andric UseRelaxRelocations = false; 25350b57cec5SDimitry Andric } else if (Value.startswith("-I")) { 25360b57cec5SDimitry Andric CmdArgs.push_back(Value.data()); 25370b57cec5SDimitry Andric // We need to consume the next argument if the current arg is a plain 25380b57cec5SDimitry Andric // -I. The next arg will be the include directory. 25390b57cec5SDimitry Andric if (Value == "-I") 25400b57cec5SDimitry Andric TakeNextArg = true; 25410b57cec5SDimitry Andric } else if (Value.startswith("-gdwarf-")) { 25420b57cec5SDimitry Andric // "-gdwarf-N" options are not cc1as options. 25430b57cec5SDimitry Andric unsigned DwarfVersion = DwarfVersionNum(Value); 25440b57cec5SDimitry Andric if (DwarfVersion == 0) { // Send it onward, and let cc1as complain. 25450b57cec5SDimitry Andric CmdArgs.push_back(Value.data()); 25460b57cec5SDimitry Andric } else { 25470b57cec5SDimitry Andric RenderDebugEnablingArgs(Args, CmdArgs, 2548fe6060f1SDimitry Andric codegenoptions::DebugInfoConstructor, 25490b57cec5SDimitry Andric DwarfVersion, llvm::DebuggerKind::Default); 25500b57cec5SDimitry Andric } 25510b57cec5SDimitry Andric } else if (Value.startswith("-mcpu") || Value.startswith("-mfpu") || 25520b57cec5SDimitry Andric Value.startswith("-mhwdiv") || Value.startswith("-march")) { 25530b57cec5SDimitry Andric // Do nothing, we'll validate it later. 25540b57cec5SDimitry Andric } else if (Value == "-defsym") { 25550b57cec5SDimitry Andric if (A->getNumValues() != 2) { 25560b57cec5SDimitry Andric D.Diag(diag::err_drv_defsym_invalid_format) << Value; 25570b57cec5SDimitry Andric break; 25580b57cec5SDimitry Andric } 25590b57cec5SDimitry Andric const char *S = A->getValue(1); 25600b57cec5SDimitry Andric auto Pair = StringRef(S).split('='); 25610b57cec5SDimitry Andric auto Sym = Pair.first; 25620b57cec5SDimitry Andric auto SVal = Pair.second; 25630b57cec5SDimitry Andric 25640b57cec5SDimitry Andric if (Sym.empty() || SVal.empty()) { 25650b57cec5SDimitry Andric D.Diag(diag::err_drv_defsym_invalid_format) << S; 25660b57cec5SDimitry Andric break; 25670b57cec5SDimitry Andric } 25680b57cec5SDimitry Andric int64_t IVal; 25690b57cec5SDimitry Andric if (SVal.getAsInteger(0, IVal)) { 25700b57cec5SDimitry Andric D.Diag(diag::err_drv_defsym_invalid_symval) << SVal; 25710b57cec5SDimitry Andric break; 25720b57cec5SDimitry Andric } 25730b57cec5SDimitry Andric CmdArgs.push_back(Value.data()); 25740b57cec5SDimitry Andric TakeNextArg = true; 25750b57cec5SDimitry Andric } else if (Value == "-fdebug-compilation-dir") { 25760b57cec5SDimitry Andric CmdArgs.push_back("-fdebug-compilation-dir"); 25770b57cec5SDimitry Andric TakeNextArg = true; 2578480093f4SDimitry Andric } else if (Value.consume_front("-fdebug-compilation-dir=")) { 2579480093f4SDimitry Andric // The flag is a -Wa / -Xassembler argument and Options doesn't 2580480093f4SDimitry Andric // parse the argument, so this isn't automatically aliased to 2581480093f4SDimitry Andric // -fdebug-compilation-dir (without '=') here. 2582480093f4SDimitry Andric CmdArgs.push_back("-fdebug-compilation-dir"); 2583480093f4SDimitry Andric CmdArgs.push_back(Value.data()); 2584fe6060f1SDimitry Andric } else if (Value == "--version") { 2585fe6060f1SDimitry Andric D.PrintVersion(C, llvm::outs()); 25860b57cec5SDimitry Andric } else { 25870b57cec5SDimitry Andric D.Diag(diag::err_drv_unsupported_option_argument) 25880b57cec5SDimitry Andric << A->getOption().getName() << Value; 25890b57cec5SDimitry Andric } 25900b57cec5SDimitry Andric } 25910b57cec5SDimitry Andric } 2592fe6060f1SDimitry Andric if (ImplicitIt.size()) 2593fe6060f1SDimitry Andric AddARMImplicitITArgs(Args, CmdArgs, ImplicitIt); 25940b57cec5SDimitry Andric if (UseRelaxRelocations) 25950b57cec5SDimitry Andric CmdArgs.push_back("--mrelax-relocations"); 25960b57cec5SDimitry Andric if (UseNoExecStack) 25970b57cec5SDimitry Andric CmdArgs.push_back("-mnoexecstack"); 25980b57cec5SDimitry Andric if (MipsTargetFeature != nullptr) { 25990b57cec5SDimitry Andric CmdArgs.push_back("-target-feature"); 26000b57cec5SDimitry Andric CmdArgs.push_back(MipsTargetFeature); 26010b57cec5SDimitry Andric } 26020b57cec5SDimitry Andric 26030b57cec5SDimitry Andric // forward -fembed-bitcode to assmebler 26040b57cec5SDimitry Andric if (C.getDriver().embedBitcodeEnabled() || 26050b57cec5SDimitry Andric C.getDriver().embedBitcodeMarkerOnly()) 26060b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fembed_bitcode_EQ); 26070b57cec5SDimitry Andric } 26080b57cec5SDimitry Andric 26090b57cec5SDimitry Andric static void RenderFloatingPointOptions(const ToolChain &TC, const Driver &D, 26100b57cec5SDimitry Andric bool OFastEnabled, const ArgList &Args, 26115ffd83dbSDimitry Andric ArgStringList &CmdArgs, 26125ffd83dbSDimitry Andric const JobAction &JA) { 26130b57cec5SDimitry Andric // Handle various floating point optimization flags, mapping them to the 26140b57cec5SDimitry Andric // appropriate LLVM code generation flags. This is complicated by several 26150b57cec5SDimitry Andric // "umbrella" flags, so we do this by stepping through the flags incrementally 26160b57cec5SDimitry Andric // adjusting what we think is enabled/disabled, then at the end setting the 26170b57cec5SDimitry Andric // LLVM flags based on the final state. 26180b57cec5SDimitry Andric bool HonorINFs = true; 26190b57cec5SDimitry Andric bool HonorNaNs = true; 26200b57cec5SDimitry Andric // -fmath-errno is the default on some platforms, e.g. BSD-derived OSes. 26210b57cec5SDimitry Andric bool MathErrno = TC.IsMathErrnoDefault(); 26220b57cec5SDimitry Andric bool AssociativeMath = false; 26230b57cec5SDimitry Andric bool ReciprocalMath = false; 26240b57cec5SDimitry Andric bool SignedZeros = true; 2625480093f4SDimitry Andric bool TrappingMath = false; // Implemented via -ffp-exception-behavior 2626480093f4SDimitry Andric bool TrappingMathPresent = false; // Is trapping-math in args, and not 2627480093f4SDimitry Andric // overriden by ffp-exception-behavior? 2628480093f4SDimitry Andric bool RoundingFPMath = false; 2629480093f4SDimitry Andric bool RoundingMathPresent = false; // Is rounding-math in args? 2630480093f4SDimitry Andric // -ffp-model values: strict, fast, precise 2631480093f4SDimitry Andric StringRef FPModel = ""; 2632480093f4SDimitry Andric // -ffp-exception-behavior options: strict, maytrap, ignore 2633480093f4SDimitry Andric StringRef FPExceptionBehavior = ""; 26345ffd83dbSDimitry Andric const llvm::DenormalMode DefaultDenormalFPMath = 26355ffd83dbSDimitry Andric TC.getDefaultDenormalModeForType(Args, JA); 26365ffd83dbSDimitry Andric const llvm::DenormalMode DefaultDenormalFP32Math = 26375ffd83dbSDimitry Andric TC.getDefaultDenormalModeForType(Args, JA, &llvm::APFloat::IEEEsingle()); 26385ffd83dbSDimitry Andric 26395ffd83dbSDimitry Andric llvm::DenormalMode DenormalFPMath = DefaultDenormalFPMath; 26405ffd83dbSDimitry Andric llvm::DenormalMode DenormalFP32Math = DefaultDenormalFP32Math; 2641fe6060f1SDimitry Andric StringRef FPContract = "on"; 2642480093f4SDimitry Andric bool StrictFPModel = false; 26430b57cec5SDimitry Andric 26445ffd83dbSDimitry Andric 26450b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_flimited_precision_EQ)) { 26460b57cec5SDimitry Andric CmdArgs.push_back("-mlimit-float-precision"); 26470b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 26480b57cec5SDimitry Andric } 26490b57cec5SDimitry Andric 26500b57cec5SDimitry Andric for (const Arg *A : Args) { 2651480093f4SDimitry Andric auto optID = A->getOption().getID(); 2652480093f4SDimitry Andric bool PreciseFPModel = false; 2653480093f4SDimitry Andric switch (optID) { 2654480093f4SDimitry Andric default: 2655480093f4SDimitry Andric break; 2656480093f4SDimitry Andric case options::OPT_ffp_model_EQ: { 2657480093f4SDimitry Andric // If -ffp-model= is seen, reset to fno-fast-math 2658480093f4SDimitry Andric HonorINFs = true; 2659480093f4SDimitry Andric HonorNaNs = true; 2660480093f4SDimitry Andric // Turning *off* -ffast-math restores the toolchain default. 2661480093f4SDimitry Andric MathErrno = TC.IsMathErrnoDefault(); 2662480093f4SDimitry Andric AssociativeMath = false; 2663480093f4SDimitry Andric ReciprocalMath = false; 2664480093f4SDimitry Andric SignedZeros = true; 2665480093f4SDimitry Andric // -fno_fast_math restores default denormal and fpcontract handling 2666fe6060f1SDimitry Andric FPContract = "on"; 26675ffd83dbSDimitry Andric DenormalFPMath = llvm::DenormalMode::getIEEE(); 26685ffd83dbSDimitry Andric 26695ffd83dbSDimitry Andric // FIXME: The target may have picked a non-IEEE default mode here based on 26705ffd83dbSDimitry Andric // -cl-denorms-are-zero. Should the target consider -fp-model interaction? 26715ffd83dbSDimitry Andric DenormalFP32Math = llvm::DenormalMode::getIEEE(); 26725ffd83dbSDimitry Andric 2673480093f4SDimitry Andric StringRef Val = A->getValue(); 2674480093f4SDimitry Andric if (OFastEnabled && !Val.equals("fast")) { 2675480093f4SDimitry Andric // Only -ffp-model=fast is compatible with OFast, ignore. 2676480093f4SDimitry Andric D.Diag(clang::diag::warn_drv_overriding_flag_option) 2677480093f4SDimitry Andric << Args.MakeArgString("-ffp-model=" + Val) 2678480093f4SDimitry Andric << "-Ofast"; 2679480093f4SDimitry Andric break; 2680480093f4SDimitry Andric } 2681480093f4SDimitry Andric StrictFPModel = false; 2682480093f4SDimitry Andric PreciseFPModel = true; 2683480093f4SDimitry Andric // ffp-model= is a Driver option, it is entirely rewritten into more 2684480093f4SDimitry Andric // granular options before being passed into cc1. 2685480093f4SDimitry Andric // Use the gcc option in the switch below. 2686fe6060f1SDimitry Andric if (!FPModel.empty() && !FPModel.equals(Val)) 2687480093f4SDimitry Andric D.Diag(clang::diag::warn_drv_overriding_flag_option) 2688480093f4SDimitry Andric << Args.MakeArgString("-ffp-model=" + FPModel) 2689480093f4SDimitry Andric << Args.MakeArgString("-ffp-model=" + Val); 2690480093f4SDimitry Andric if (Val.equals("fast")) { 2691480093f4SDimitry Andric optID = options::OPT_ffast_math; 2692480093f4SDimitry Andric FPModel = Val; 2693fe6060f1SDimitry Andric FPContract = Val; 2694480093f4SDimitry Andric } else if (Val.equals("precise")) { 2695480093f4SDimitry Andric optID = options::OPT_ffp_contract; 2696480093f4SDimitry Andric FPModel = Val; 2697fe6060f1SDimitry Andric FPContract = "on"; 2698480093f4SDimitry Andric PreciseFPModel = true; 2699480093f4SDimitry Andric } else if (Val.equals("strict")) { 2700480093f4SDimitry Andric StrictFPModel = true; 2701480093f4SDimitry Andric optID = options::OPT_frounding_math; 2702480093f4SDimitry Andric FPExceptionBehavior = "strict"; 2703480093f4SDimitry Andric FPModel = Val; 27045ffd83dbSDimitry Andric FPContract = "off"; 2705480093f4SDimitry Andric TrappingMath = true; 2706480093f4SDimitry Andric } else 2707480093f4SDimitry Andric D.Diag(diag::err_drv_unsupported_option_argument) 2708480093f4SDimitry Andric << A->getOption().getName() << Val; 2709480093f4SDimitry Andric break; 2710480093f4SDimitry Andric } 2711480093f4SDimitry Andric } 2712480093f4SDimitry Andric 2713480093f4SDimitry Andric switch (optID) { 27140b57cec5SDimitry Andric // If this isn't an FP option skip the claim below 27150b57cec5SDimitry Andric default: continue; 27160b57cec5SDimitry Andric 27170b57cec5SDimitry Andric // Options controlling individual features 27180b57cec5SDimitry Andric case options::OPT_fhonor_infinities: HonorINFs = true; break; 27190b57cec5SDimitry Andric case options::OPT_fno_honor_infinities: HonorINFs = false; break; 27200b57cec5SDimitry Andric case options::OPT_fhonor_nans: HonorNaNs = true; break; 27210b57cec5SDimitry Andric case options::OPT_fno_honor_nans: HonorNaNs = false; break; 27220b57cec5SDimitry Andric case options::OPT_fmath_errno: MathErrno = true; break; 27230b57cec5SDimitry Andric case options::OPT_fno_math_errno: MathErrno = false; break; 27240b57cec5SDimitry Andric case options::OPT_fassociative_math: AssociativeMath = true; break; 27250b57cec5SDimitry Andric case options::OPT_fno_associative_math: AssociativeMath = false; break; 27260b57cec5SDimitry Andric case options::OPT_freciprocal_math: ReciprocalMath = true; break; 27270b57cec5SDimitry Andric case options::OPT_fno_reciprocal_math: ReciprocalMath = false; break; 27280b57cec5SDimitry Andric case options::OPT_fsigned_zeros: SignedZeros = true; break; 27290b57cec5SDimitry Andric case options::OPT_fno_signed_zeros: SignedZeros = false; break; 2730480093f4SDimitry Andric case options::OPT_ftrapping_math: 2731480093f4SDimitry Andric if (!TrappingMathPresent && !FPExceptionBehavior.empty() && 2732480093f4SDimitry Andric !FPExceptionBehavior.equals("strict")) 2733480093f4SDimitry Andric // Warn that previous value of option is overridden. 2734480093f4SDimitry Andric D.Diag(clang::diag::warn_drv_overriding_flag_option) 2735480093f4SDimitry Andric << Args.MakeArgString("-ffp-exception-behavior=" + FPExceptionBehavior) 2736480093f4SDimitry Andric << "-ftrapping-math"; 2737480093f4SDimitry Andric TrappingMath = true; 2738480093f4SDimitry Andric TrappingMathPresent = true; 2739480093f4SDimitry Andric FPExceptionBehavior = "strict"; 2740480093f4SDimitry Andric break; 2741480093f4SDimitry Andric case options::OPT_fno_trapping_math: 2742480093f4SDimitry Andric if (!TrappingMathPresent && !FPExceptionBehavior.empty() && 2743480093f4SDimitry Andric !FPExceptionBehavior.equals("ignore")) 2744480093f4SDimitry Andric // Warn that previous value of option is overridden. 2745480093f4SDimitry Andric D.Diag(clang::diag::warn_drv_overriding_flag_option) 2746480093f4SDimitry Andric << Args.MakeArgString("-ffp-exception-behavior=" + FPExceptionBehavior) 2747480093f4SDimitry Andric << "-fno-trapping-math"; 2748480093f4SDimitry Andric TrappingMath = false; 2749480093f4SDimitry Andric TrappingMathPresent = true; 2750480093f4SDimitry Andric FPExceptionBehavior = "ignore"; 2751480093f4SDimitry Andric break; 2752480093f4SDimitry Andric 2753480093f4SDimitry Andric case options::OPT_frounding_math: 2754480093f4SDimitry Andric RoundingFPMath = true; 2755480093f4SDimitry Andric RoundingMathPresent = true; 2756480093f4SDimitry Andric break; 2757480093f4SDimitry Andric 2758480093f4SDimitry Andric case options::OPT_fno_rounding_math: 2759480093f4SDimitry Andric RoundingFPMath = false; 2760480093f4SDimitry Andric RoundingMathPresent = false; 2761480093f4SDimitry Andric break; 27620b57cec5SDimitry Andric 27630b57cec5SDimitry Andric case options::OPT_fdenormal_fp_math_EQ: 27645ffd83dbSDimitry Andric DenormalFPMath = llvm::parseDenormalFPAttribute(A->getValue()); 27655ffd83dbSDimitry Andric if (!DenormalFPMath.isValid()) { 27665ffd83dbSDimitry Andric D.Diag(diag::err_drv_invalid_value) 27675ffd83dbSDimitry Andric << A->getAsString(Args) << A->getValue(); 27685ffd83dbSDimitry Andric } 27695ffd83dbSDimitry Andric break; 27705ffd83dbSDimitry Andric 27715ffd83dbSDimitry Andric case options::OPT_fdenormal_fp_math_f32_EQ: 27725ffd83dbSDimitry Andric DenormalFP32Math = llvm::parseDenormalFPAttribute(A->getValue()); 27735ffd83dbSDimitry Andric if (!DenormalFP32Math.isValid()) { 27745ffd83dbSDimitry Andric D.Diag(diag::err_drv_invalid_value) 27755ffd83dbSDimitry Andric << A->getAsString(Args) << A->getValue(); 27765ffd83dbSDimitry Andric } 27770b57cec5SDimitry Andric break; 27780b57cec5SDimitry Andric 2779480093f4SDimitry Andric // Validate and pass through -ffp-contract option. 27800b57cec5SDimitry Andric case options::OPT_ffp_contract: { 27810b57cec5SDimitry Andric StringRef Val = A->getValue(); 2782480093f4SDimitry Andric if (PreciseFPModel) { 2783fe6060f1SDimitry Andric // When -ffp-model=precise is seen on the command line, 2784fe6060f1SDimitry Andric // the boolean PreciseFPModel is set to true which indicates 2785fe6060f1SDimitry Andric // "the current option is actually PreciseFPModel". The optID 2786fe6060f1SDimitry Andric // is changed to OPT_ffp_contract and FPContract is set to "on". 2787fe6060f1SDimitry Andric // the argument Val string is "precise": it shouldn't be checked. 2788480093f4SDimitry Andric ; 2789480093f4SDimitry Andric } else if (Val.equals("fast") || Val.equals("on") || Val.equals("off")) 27900b57cec5SDimitry Andric FPContract = Val; 27910b57cec5SDimitry Andric else 27920b57cec5SDimitry Andric D.Diag(diag::err_drv_unsupported_option_argument) 27930b57cec5SDimitry Andric << A->getOption().getName() << Val; 27940b57cec5SDimitry Andric break; 27950b57cec5SDimitry Andric } 27960b57cec5SDimitry Andric 2797480093f4SDimitry Andric // Validate and pass through -ffp-model option. 2798480093f4SDimitry Andric case options::OPT_ffp_model_EQ: 2799480093f4SDimitry Andric // This should only occur in the error case 2800480093f4SDimitry Andric // since the optID has been replaced by a more granular 2801480093f4SDimitry Andric // floating point option. 2802480093f4SDimitry Andric break; 2803480093f4SDimitry Andric 2804480093f4SDimitry Andric // Validate and pass through -ffp-exception-behavior option. 2805480093f4SDimitry Andric case options::OPT_ffp_exception_behavior_EQ: { 2806480093f4SDimitry Andric StringRef Val = A->getValue(); 2807480093f4SDimitry Andric if (!TrappingMathPresent && !FPExceptionBehavior.empty() && 2808480093f4SDimitry Andric !FPExceptionBehavior.equals(Val)) 2809480093f4SDimitry Andric // Warn that previous value of option is overridden. 2810480093f4SDimitry Andric D.Diag(clang::diag::warn_drv_overriding_flag_option) 2811480093f4SDimitry Andric << Args.MakeArgString("-ffp-exception-behavior=" + FPExceptionBehavior) 2812480093f4SDimitry Andric << Args.MakeArgString("-ffp-exception-behavior=" + Val); 2813480093f4SDimitry Andric TrappingMath = TrappingMathPresent = false; 2814480093f4SDimitry Andric if (Val.equals("ignore") || Val.equals("maytrap")) 2815480093f4SDimitry Andric FPExceptionBehavior = Val; 2816480093f4SDimitry Andric else if (Val.equals("strict")) { 2817480093f4SDimitry Andric FPExceptionBehavior = Val; 2818480093f4SDimitry Andric TrappingMath = TrappingMathPresent = true; 2819480093f4SDimitry Andric } else 2820480093f4SDimitry Andric D.Diag(diag::err_drv_unsupported_option_argument) 2821480093f4SDimitry Andric << A->getOption().getName() << Val; 2822480093f4SDimitry Andric break; 2823480093f4SDimitry Andric } 2824480093f4SDimitry Andric 28250b57cec5SDimitry Andric case options::OPT_ffinite_math_only: 28260b57cec5SDimitry Andric HonorINFs = false; 28270b57cec5SDimitry Andric HonorNaNs = false; 28280b57cec5SDimitry Andric break; 28290b57cec5SDimitry Andric case options::OPT_fno_finite_math_only: 28300b57cec5SDimitry Andric HonorINFs = true; 28310b57cec5SDimitry Andric HonorNaNs = true; 28320b57cec5SDimitry Andric break; 28330b57cec5SDimitry Andric 28340b57cec5SDimitry Andric case options::OPT_funsafe_math_optimizations: 28350b57cec5SDimitry Andric AssociativeMath = true; 28360b57cec5SDimitry Andric ReciprocalMath = true; 28370b57cec5SDimitry Andric SignedZeros = false; 28380b57cec5SDimitry Andric TrappingMath = false; 2839480093f4SDimitry Andric FPExceptionBehavior = ""; 28400b57cec5SDimitry Andric break; 28410b57cec5SDimitry Andric case options::OPT_fno_unsafe_math_optimizations: 28420b57cec5SDimitry Andric AssociativeMath = false; 28430b57cec5SDimitry Andric ReciprocalMath = false; 28440b57cec5SDimitry Andric SignedZeros = true; 28450b57cec5SDimitry Andric TrappingMath = true; 2846480093f4SDimitry Andric FPExceptionBehavior = "strict"; 28475ffd83dbSDimitry Andric 28485ffd83dbSDimitry Andric // The target may have opted to flush by default, so force IEEE. 28495ffd83dbSDimitry Andric DenormalFPMath = llvm::DenormalMode::getIEEE(); 28505ffd83dbSDimitry Andric DenormalFP32Math = llvm::DenormalMode::getIEEE(); 28510b57cec5SDimitry Andric break; 28520b57cec5SDimitry Andric 28530b57cec5SDimitry Andric case options::OPT_Ofast: 28540b57cec5SDimitry Andric // If -Ofast is the optimization level, then -ffast-math should be enabled 28550b57cec5SDimitry Andric if (!OFastEnabled) 28560b57cec5SDimitry Andric continue; 28570b57cec5SDimitry Andric LLVM_FALLTHROUGH; 28580b57cec5SDimitry Andric case options::OPT_ffast_math: 28590b57cec5SDimitry Andric HonorINFs = false; 28600b57cec5SDimitry Andric HonorNaNs = false; 28610b57cec5SDimitry Andric MathErrno = false; 28620b57cec5SDimitry Andric AssociativeMath = true; 28630b57cec5SDimitry Andric ReciprocalMath = true; 28640b57cec5SDimitry Andric SignedZeros = false; 28650b57cec5SDimitry Andric TrappingMath = false; 2866480093f4SDimitry Andric RoundingFPMath = false; 28670b57cec5SDimitry Andric // If fast-math is set then set the fp-contract mode to fast. 28680b57cec5SDimitry Andric FPContract = "fast"; 28690b57cec5SDimitry Andric break; 28700b57cec5SDimitry Andric case options::OPT_fno_fast_math: 28710b57cec5SDimitry Andric HonorINFs = true; 28720b57cec5SDimitry Andric HonorNaNs = true; 28730b57cec5SDimitry Andric // Turning on -ffast-math (with either flag) removes the need for 28740b57cec5SDimitry Andric // MathErrno. However, turning *off* -ffast-math merely restores the 28750b57cec5SDimitry Andric // toolchain default (which may be false). 28760b57cec5SDimitry Andric MathErrno = TC.IsMathErrnoDefault(); 28770b57cec5SDimitry Andric AssociativeMath = false; 28780b57cec5SDimitry Andric ReciprocalMath = false; 28790b57cec5SDimitry Andric SignedZeros = true; 2880480093f4SDimitry Andric TrappingMath = false; 2881480093f4SDimitry Andric RoundingFPMath = false; 28820b57cec5SDimitry Andric // -fno_fast_math restores default denormal and fpcontract handling 28835ffd83dbSDimitry Andric DenormalFPMath = DefaultDenormalFPMath; 28845ffd83dbSDimitry Andric DenormalFP32Math = llvm::DenormalMode::getIEEE(); 2885fe6060f1SDimitry Andric FPContract = "on"; 28860b57cec5SDimitry Andric break; 28870b57cec5SDimitry Andric } 2888480093f4SDimitry Andric if (StrictFPModel) { 2889480093f4SDimitry Andric // If -ffp-model=strict has been specified on command line but 2890480093f4SDimitry Andric // subsequent options conflict then emit warning diagnostic. 2891fe6060f1SDimitry Andric if (HonorINFs && HonorNaNs && !AssociativeMath && !ReciprocalMath && 2892480093f4SDimitry Andric SignedZeros && TrappingMath && RoundingFPMath && 28935ffd83dbSDimitry Andric DenormalFPMath == llvm::DenormalMode::getIEEE() && 2894fe6060f1SDimitry Andric DenormalFP32Math == llvm::DenormalMode::getIEEE() && 2895fe6060f1SDimitry Andric FPContract.equals("off")) 2896480093f4SDimitry Andric // OK: Current Arg doesn't conflict with -ffp-model=strict 2897480093f4SDimitry Andric ; 2898480093f4SDimitry Andric else { 2899480093f4SDimitry Andric StrictFPModel = false; 2900480093f4SDimitry Andric FPModel = ""; 2901480093f4SDimitry Andric D.Diag(clang::diag::warn_drv_overriding_flag_option) 2902480093f4SDimitry Andric << "-ffp-model=strict" << 2903480093f4SDimitry Andric ((A->getNumValues() == 0) ? A->getSpelling() 2904480093f4SDimitry Andric : Args.MakeArgString(A->getSpelling() + A->getValue())); 2905480093f4SDimitry Andric } 2906480093f4SDimitry Andric } 29070b57cec5SDimitry Andric 29080b57cec5SDimitry Andric // If we handled this option claim it 29090b57cec5SDimitry Andric A->claim(); 29100b57cec5SDimitry Andric } 29110b57cec5SDimitry Andric 29120b57cec5SDimitry Andric if (!HonorINFs) 29130b57cec5SDimitry Andric CmdArgs.push_back("-menable-no-infs"); 29140b57cec5SDimitry Andric 29150b57cec5SDimitry Andric if (!HonorNaNs) 29160b57cec5SDimitry Andric CmdArgs.push_back("-menable-no-nans"); 29170b57cec5SDimitry Andric 29180b57cec5SDimitry Andric if (MathErrno) 29190b57cec5SDimitry Andric CmdArgs.push_back("-fmath-errno"); 29200b57cec5SDimitry Andric 29210b57cec5SDimitry Andric if (!MathErrno && AssociativeMath && ReciprocalMath && !SignedZeros && 29220b57cec5SDimitry Andric !TrappingMath) 29230b57cec5SDimitry Andric CmdArgs.push_back("-menable-unsafe-fp-math"); 29240b57cec5SDimitry Andric 29250b57cec5SDimitry Andric if (!SignedZeros) 29260b57cec5SDimitry Andric CmdArgs.push_back("-fno-signed-zeros"); 29270b57cec5SDimitry Andric 29280b57cec5SDimitry Andric if (AssociativeMath && !SignedZeros && !TrappingMath) 29290b57cec5SDimitry Andric CmdArgs.push_back("-mreassociate"); 29300b57cec5SDimitry Andric 29310b57cec5SDimitry Andric if (ReciprocalMath) 29320b57cec5SDimitry Andric CmdArgs.push_back("-freciprocal-math"); 29330b57cec5SDimitry Andric 2934480093f4SDimitry Andric if (TrappingMath) { 2935480093f4SDimitry Andric // FP Exception Behavior is also set to strict 2936480093f4SDimitry Andric assert(FPExceptionBehavior.equals("strict")); 2937e8d8bef9SDimitry Andric } 29380b57cec5SDimitry Andric 29395ffd83dbSDimitry Andric // The default is IEEE. 29405ffd83dbSDimitry Andric if (DenormalFPMath != llvm::DenormalMode::getIEEE()) { 29415ffd83dbSDimitry Andric llvm::SmallString<64> DenormFlag; 29425ffd83dbSDimitry Andric llvm::raw_svector_ostream ArgStr(DenormFlag); 29435ffd83dbSDimitry Andric ArgStr << "-fdenormal-fp-math=" << DenormalFPMath; 29445ffd83dbSDimitry Andric CmdArgs.push_back(Args.MakeArgString(ArgStr.str())); 29455ffd83dbSDimitry Andric } 29465ffd83dbSDimitry Andric 29475ffd83dbSDimitry Andric // Add f32 specific denormal mode flag if it's different. 29485ffd83dbSDimitry Andric if (DenormalFP32Math != DenormalFPMath) { 29495ffd83dbSDimitry Andric llvm::SmallString<64> DenormFlag; 29505ffd83dbSDimitry Andric llvm::raw_svector_ostream ArgStr(DenormFlag); 29515ffd83dbSDimitry Andric ArgStr << "-fdenormal-fp-math-f32=" << DenormalFP32Math; 29525ffd83dbSDimitry Andric CmdArgs.push_back(Args.MakeArgString(ArgStr.str())); 29535ffd83dbSDimitry Andric } 29540b57cec5SDimitry Andric 29550b57cec5SDimitry Andric if (!FPContract.empty()) 29560b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-ffp-contract=" + FPContract)); 29570b57cec5SDimitry Andric 2958480093f4SDimitry Andric if (!RoundingFPMath) 2959480093f4SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-fno-rounding-math")); 2960480093f4SDimitry Andric 2961480093f4SDimitry Andric if (RoundingFPMath && RoundingMathPresent) 2962480093f4SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-frounding-math")); 2963480093f4SDimitry Andric 2964480093f4SDimitry Andric if (!FPExceptionBehavior.empty()) 2965480093f4SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-ffp-exception-behavior=" + 2966480093f4SDimitry Andric FPExceptionBehavior)); 2967480093f4SDimitry Andric 29680b57cec5SDimitry Andric ParseMRecip(D, Args, CmdArgs); 29690b57cec5SDimitry Andric 29700b57cec5SDimitry Andric // -ffast-math enables the __FAST_MATH__ preprocessor macro, but check for the 29710b57cec5SDimitry Andric // individual features enabled by -ffast-math instead of the option itself as 29720b57cec5SDimitry Andric // that's consistent with gcc's behaviour. 29730b57cec5SDimitry Andric if (!HonorINFs && !HonorNaNs && !MathErrno && AssociativeMath && 2974480093f4SDimitry Andric ReciprocalMath && !SignedZeros && !TrappingMath && !RoundingFPMath) { 29750b57cec5SDimitry Andric CmdArgs.push_back("-ffast-math"); 2976480093f4SDimitry Andric if (FPModel.equals("fast")) { 2977480093f4SDimitry Andric if (FPContract.equals("fast")) 2978480093f4SDimitry Andric // All set, do nothing. 2979480093f4SDimitry Andric ; 2980480093f4SDimitry Andric else if (FPContract.empty()) 2981480093f4SDimitry Andric // Enable -ffp-contract=fast 2982480093f4SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-ffp-contract=fast")); 2983480093f4SDimitry Andric else 2984480093f4SDimitry Andric D.Diag(clang::diag::warn_drv_overriding_flag_option) 2985480093f4SDimitry Andric << "-ffp-model=fast" 2986480093f4SDimitry Andric << Args.MakeArgString("-ffp-contract=" + FPContract); 2987480093f4SDimitry Andric } 2988480093f4SDimitry Andric } 29890b57cec5SDimitry Andric 29900b57cec5SDimitry Andric // Handle __FINITE_MATH_ONLY__ similarly. 29910b57cec5SDimitry Andric if (!HonorINFs && !HonorNaNs) 29920b57cec5SDimitry Andric CmdArgs.push_back("-ffinite-math-only"); 29930b57cec5SDimitry Andric 29940b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_mfpmath_EQ)) { 29950b57cec5SDimitry Andric CmdArgs.push_back("-mfpmath"); 29960b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 29970b57cec5SDimitry Andric } 29980b57cec5SDimitry Andric 29990b57cec5SDimitry Andric // Disable a codegen optimization for floating-point casts. 30000b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fno_strict_float_cast_overflow, 30010b57cec5SDimitry Andric options::OPT_fstrict_float_cast_overflow, false)) 30020b57cec5SDimitry Andric CmdArgs.push_back("-fno-strict-float-cast-overflow"); 30030b57cec5SDimitry Andric } 30040b57cec5SDimitry Andric 30050b57cec5SDimitry Andric static void RenderAnalyzerOptions(const ArgList &Args, ArgStringList &CmdArgs, 30060b57cec5SDimitry Andric const llvm::Triple &Triple, 30070b57cec5SDimitry Andric const InputInfo &Input) { 30080b57cec5SDimitry Andric // Enable region store model by default. 30090b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-store=region"); 30100b57cec5SDimitry Andric 30110b57cec5SDimitry Andric // Treat blocks as analysis entry points. 30120b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-opt-analyze-nested-blocks"); 30130b57cec5SDimitry Andric 30140b57cec5SDimitry Andric // Add default argument set. 30150b57cec5SDimitry Andric if (!Args.hasArg(options::OPT__analyzer_no_default_checks)) { 30160b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=core"); 30170b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=apiModeling"); 30180b57cec5SDimitry Andric 30190b57cec5SDimitry Andric if (!Triple.isWindowsMSVCEnvironment()) { 30200b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=unix"); 30210b57cec5SDimitry Andric } else { 30220b57cec5SDimitry Andric // Enable "unix" checkers that also work on Windows. 30230b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=unix.API"); 30240b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=unix.Malloc"); 30250b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=unix.MallocSizeof"); 30260b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=unix.MismatchedDeallocator"); 30270b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=unix.cstring.BadSizeArg"); 30280b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=unix.cstring.NullArg"); 30290b57cec5SDimitry Andric } 30300b57cec5SDimitry Andric 30310b57cec5SDimitry Andric // Disable some unix checkers for PS4. 30320b57cec5SDimitry Andric if (Triple.isPS4CPU()) { 30330b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-disable-checker=unix.API"); 30340b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-disable-checker=unix.Vfork"); 30350b57cec5SDimitry Andric } 30360b57cec5SDimitry Andric 3037480093f4SDimitry Andric if (Triple.isOSDarwin()) { 30380b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=osx"); 3039480093f4SDimitry Andric CmdArgs.push_back( 3040480093f4SDimitry Andric "-analyzer-checker=security.insecureAPI.decodeValueOfObjCType"); 3041480093f4SDimitry Andric } 3042480093f4SDimitry Andric else if (Triple.isOSFuchsia()) 3043480093f4SDimitry Andric CmdArgs.push_back("-analyzer-checker=fuchsia"); 30440b57cec5SDimitry Andric 30450b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=deadcode"); 30460b57cec5SDimitry Andric 30470b57cec5SDimitry Andric if (types::isCXX(Input.getType())) 30480b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=cplusplus"); 30490b57cec5SDimitry Andric 30500b57cec5SDimitry Andric if (!Triple.isPS4CPU()) { 30510b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=security.insecureAPI.UncheckedReturn"); 30520b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=security.insecureAPI.getpw"); 30530b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=security.insecureAPI.gets"); 30540b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=security.insecureAPI.mktemp"); 30550b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=security.insecureAPI.mkstemp"); 30560b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=security.insecureAPI.vfork"); 30570b57cec5SDimitry Andric } 30580b57cec5SDimitry Andric 30590b57cec5SDimitry Andric // Default nullability checks. 30600b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=nullability.NullPassedToNonnull"); 30610b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-checker=nullability.NullReturnedFromNonnull"); 30620b57cec5SDimitry Andric } 30630b57cec5SDimitry Andric 30640b57cec5SDimitry Andric // Set the output format. The default is plist, for (lame) historical reasons. 30650b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-output"); 30660b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT__analyzer_output)) 30670b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 30680b57cec5SDimitry Andric else 30690b57cec5SDimitry Andric CmdArgs.push_back("plist"); 30700b57cec5SDimitry Andric 30710b57cec5SDimitry Andric // Disable the presentation of standard compiler warnings when using 30720b57cec5SDimitry Andric // --analyze. We only want to show static analyzer diagnostics or frontend 30730b57cec5SDimitry Andric // errors. 30740b57cec5SDimitry Andric CmdArgs.push_back("-w"); 30750b57cec5SDimitry Andric 30760b57cec5SDimitry Andric // Add -Xanalyzer arguments when running as analyzer. 30770b57cec5SDimitry Andric Args.AddAllArgValues(CmdArgs, options::OPT_Xanalyzer); 30780b57cec5SDimitry Andric } 30790b57cec5SDimitry Andric 3080e8d8bef9SDimitry Andric static void RenderSSPOptions(const Driver &D, const ToolChain &TC, 3081e8d8bef9SDimitry Andric const ArgList &Args, ArgStringList &CmdArgs, 3082e8d8bef9SDimitry Andric bool KernelOrKext) { 30830b57cec5SDimitry Andric const llvm::Triple &EffectiveTriple = TC.getEffectiveTriple(); 30840b57cec5SDimitry Andric 30850b57cec5SDimitry Andric // NVPTX doesn't support stack protectors; from the compiler's perspective, it 30860b57cec5SDimitry Andric // doesn't even have a stack! 30870b57cec5SDimitry Andric if (EffectiveTriple.isNVPTX()) 30880b57cec5SDimitry Andric return; 30890b57cec5SDimitry Andric 30900b57cec5SDimitry Andric // -stack-protector=0 is default. 3091e8d8bef9SDimitry Andric LangOptions::StackProtectorMode StackProtectorLevel = LangOptions::SSPOff; 3092e8d8bef9SDimitry Andric LangOptions::StackProtectorMode DefaultStackProtectorLevel = 30930b57cec5SDimitry Andric TC.GetDefaultStackProtectorLevel(KernelOrKext); 30940b57cec5SDimitry Andric 30950b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fno_stack_protector, 30960b57cec5SDimitry Andric options::OPT_fstack_protector_all, 30970b57cec5SDimitry Andric options::OPT_fstack_protector_strong, 30980b57cec5SDimitry Andric options::OPT_fstack_protector)) { 30990b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_fstack_protector)) 31000b57cec5SDimitry Andric StackProtectorLevel = 3101e8d8bef9SDimitry Andric std::max<>(LangOptions::SSPOn, DefaultStackProtectorLevel); 31020b57cec5SDimitry Andric else if (A->getOption().matches(options::OPT_fstack_protector_strong)) 31030b57cec5SDimitry Andric StackProtectorLevel = LangOptions::SSPStrong; 31040b57cec5SDimitry Andric else if (A->getOption().matches(options::OPT_fstack_protector_all)) 31050b57cec5SDimitry Andric StackProtectorLevel = LangOptions::SSPReq; 31060b57cec5SDimitry Andric } else { 31070b57cec5SDimitry Andric StackProtectorLevel = DefaultStackProtectorLevel; 31080b57cec5SDimitry Andric } 31090b57cec5SDimitry Andric 31100b57cec5SDimitry Andric if (StackProtectorLevel) { 31110b57cec5SDimitry Andric CmdArgs.push_back("-stack-protector"); 31120b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Twine(StackProtectorLevel))); 31130b57cec5SDimitry Andric } 31140b57cec5SDimitry Andric 31150b57cec5SDimitry Andric // --param ssp-buffer-size= 31160b57cec5SDimitry Andric for (const Arg *A : Args.filtered(options::OPT__param)) { 31170b57cec5SDimitry Andric StringRef Str(A->getValue()); 31180b57cec5SDimitry Andric if (Str.startswith("ssp-buffer-size=")) { 31190b57cec5SDimitry Andric if (StackProtectorLevel) { 31200b57cec5SDimitry Andric CmdArgs.push_back("-stack-protector-buffer-size"); 31210b57cec5SDimitry Andric // FIXME: Verify the argument is a valid integer. 31220b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Str.drop_front(16))); 31230b57cec5SDimitry Andric } 31240b57cec5SDimitry Andric A->claim(); 31250b57cec5SDimitry Andric } 31260b57cec5SDimitry Andric } 3127e8d8bef9SDimitry Andric 3128e8d8bef9SDimitry Andric const std::string &TripleStr = EffectiveTriple.getTriple(); 3129e8d8bef9SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mstack_protector_guard_EQ)) { 3130e8d8bef9SDimitry Andric StringRef Value = A->getValue(); 3131e8d8bef9SDimitry Andric if (!EffectiveTriple.isX86() && !EffectiveTriple.isAArch64()) 3132e8d8bef9SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 3133e8d8bef9SDimitry Andric << A->getAsString(Args) << TripleStr; 3134fe6060f1SDimitry Andric if (EffectiveTriple.isX86() && Value != "tls" && Value != "global") { 3135e8d8bef9SDimitry Andric D.Diag(diag::err_drv_invalid_value_with_suggestion) 3136fe6060f1SDimitry Andric << A->getOption().getName() << Value << "tls global"; 3137fe6060f1SDimitry Andric return; 3138fe6060f1SDimitry Andric } 3139fe6060f1SDimitry Andric if (EffectiveTriple.isAArch64() && Value != "sysreg" && Value != "global") { 3140fe6060f1SDimitry Andric D.Diag(diag::err_drv_invalid_value_with_suggestion) 3141fe6060f1SDimitry Andric << A->getOption().getName() << Value << "sysreg global"; 3142e8d8bef9SDimitry Andric return; 3143e8d8bef9SDimitry Andric } 3144e8d8bef9SDimitry Andric A->render(Args, CmdArgs); 3145e8d8bef9SDimitry Andric } 3146e8d8bef9SDimitry Andric 3147e8d8bef9SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mstack_protector_guard_offset_EQ)) { 3148e8d8bef9SDimitry Andric StringRef Value = A->getValue(); 3149fe6060f1SDimitry Andric if (!EffectiveTriple.isX86() && !EffectiveTriple.isAArch64()) 3150e8d8bef9SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 3151e8d8bef9SDimitry Andric << A->getAsString(Args) << TripleStr; 3152fe6060f1SDimitry Andric int Offset; 3153e8d8bef9SDimitry Andric if (Value.getAsInteger(10, Offset)) { 3154e8d8bef9SDimitry Andric D.Diag(diag::err_drv_invalid_value) << A->getOption().getName() << Value; 3155e8d8bef9SDimitry Andric return; 3156e8d8bef9SDimitry Andric } 3157e8d8bef9SDimitry Andric A->render(Args, CmdArgs); 3158e8d8bef9SDimitry Andric } 3159e8d8bef9SDimitry Andric 3160e8d8bef9SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mstack_protector_guard_reg_EQ)) { 3161e8d8bef9SDimitry Andric StringRef Value = A->getValue(); 3162fe6060f1SDimitry Andric if (!EffectiveTriple.isX86() && !EffectiveTriple.isAArch64()) 3163e8d8bef9SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 3164e8d8bef9SDimitry Andric << A->getAsString(Args) << TripleStr; 3165e8d8bef9SDimitry Andric if (EffectiveTriple.isX86() && (Value != "fs" && Value != "gs")) { 3166e8d8bef9SDimitry Andric D.Diag(diag::err_drv_invalid_value_with_suggestion) 3167fe6060f1SDimitry Andric << A->getOption().getName() << Value << "fs gs"; 3168fe6060f1SDimitry Andric return; 3169fe6060f1SDimitry Andric } 3170fe6060f1SDimitry Andric if (EffectiveTriple.isAArch64() && Value != "sp_el0") { 3171fe6060f1SDimitry Andric D.Diag(diag::err_drv_invalid_value) << A->getOption().getName() << Value; 3172e8d8bef9SDimitry Andric return; 3173e8d8bef9SDimitry Andric } 3174e8d8bef9SDimitry Andric A->render(Args, CmdArgs); 3175e8d8bef9SDimitry Andric } 31760b57cec5SDimitry Andric } 31770b57cec5SDimitry Andric 31785ffd83dbSDimitry Andric static void RenderSCPOptions(const ToolChain &TC, const ArgList &Args, 31795ffd83dbSDimitry Andric ArgStringList &CmdArgs) { 31805ffd83dbSDimitry Andric const llvm::Triple &EffectiveTriple = TC.getEffectiveTriple(); 31815ffd83dbSDimitry Andric 31823063e1e5SEd Maste if (!EffectiveTriple.isOSFreeBSD() && !EffectiveTriple.isOSLinux()) 31835ffd83dbSDimitry Andric return; 31845ffd83dbSDimitry Andric 31855ffd83dbSDimitry Andric if (!EffectiveTriple.isX86() && !EffectiveTriple.isSystemZ() && 31865ffd83dbSDimitry Andric !EffectiveTriple.isPPC64()) 31875ffd83dbSDimitry Andric return; 31885ffd83dbSDimitry Andric 31895ffd83dbSDimitry Andric if (Args.hasFlag(options::OPT_fstack_clash_protection, 319075b4d546SDimitry Andric options::OPT_fno_stack_clash_protection, false)) 31915ffd83dbSDimitry Andric CmdArgs.push_back("-fstack-clash-protection"); 31925ffd83dbSDimitry Andric } 31935ffd83dbSDimitry Andric 31940b57cec5SDimitry Andric static void RenderTrivialAutoVarInitOptions(const Driver &D, 31950b57cec5SDimitry Andric const ToolChain &TC, 31960b57cec5SDimitry Andric const ArgList &Args, 31970b57cec5SDimitry Andric ArgStringList &CmdArgs) { 31980b57cec5SDimitry Andric auto DefaultTrivialAutoVarInit = TC.GetDefaultTrivialAutoVarInit(); 31990b57cec5SDimitry Andric StringRef TrivialAutoVarInit = ""; 32000b57cec5SDimitry Andric 32010b57cec5SDimitry Andric for (const Arg *A : Args) { 32020b57cec5SDimitry Andric switch (A->getOption().getID()) { 32030b57cec5SDimitry Andric default: 32040b57cec5SDimitry Andric continue; 32050b57cec5SDimitry Andric case options::OPT_ftrivial_auto_var_init: { 32060b57cec5SDimitry Andric A->claim(); 32070b57cec5SDimitry Andric StringRef Val = A->getValue(); 32080b57cec5SDimitry Andric if (Val == "uninitialized" || Val == "zero" || Val == "pattern") 32090b57cec5SDimitry Andric TrivialAutoVarInit = Val; 32100b57cec5SDimitry Andric else 32110b57cec5SDimitry Andric D.Diag(diag::err_drv_unsupported_option_argument) 32120b57cec5SDimitry Andric << A->getOption().getName() << Val; 32130b57cec5SDimitry Andric break; 32140b57cec5SDimitry Andric } 32150b57cec5SDimitry Andric } 32160b57cec5SDimitry Andric } 32170b57cec5SDimitry Andric 32180b57cec5SDimitry Andric if (TrivialAutoVarInit.empty()) 32190b57cec5SDimitry Andric switch (DefaultTrivialAutoVarInit) { 32200b57cec5SDimitry Andric case LangOptions::TrivialAutoVarInitKind::Uninitialized: 32210b57cec5SDimitry Andric break; 32220b57cec5SDimitry Andric case LangOptions::TrivialAutoVarInitKind::Pattern: 32230b57cec5SDimitry Andric TrivialAutoVarInit = "pattern"; 32240b57cec5SDimitry Andric break; 32250b57cec5SDimitry Andric case LangOptions::TrivialAutoVarInitKind::Zero: 32260b57cec5SDimitry Andric TrivialAutoVarInit = "zero"; 32270b57cec5SDimitry Andric break; 32280b57cec5SDimitry Andric } 32290b57cec5SDimitry Andric 32300b57cec5SDimitry Andric if (!TrivialAutoVarInit.empty()) { 32310b57cec5SDimitry Andric if (TrivialAutoVarInit == "zero" && !Args.hasArg(options::OPT_enable_trivial_var_init_zero)) 32320b57cec5SDimitry Andric D.Diag(diag::err_drv_trivial_auto_var_init_zero_disabled); 32330b57cec5SDimitry Andric CmdArgs.push_back( 32340b57cec5SDimitry Andric Args.MakeArgString("-ftrivial-auto-var-init=" + TrivialAutoVarInit)); 32350b57cec5SDimitry Andric } 32365ffd83dbSDimitry Andric 32375ffd83dbSDimitry Andric if (Arg *A = 32385ffd83dbSDimitry Andric Args.getLastArg(options::OPT_ftrivial_auto_var_init_stop_after)) { 32395ffd83dbSDimitry Andric if (!Args.hasArg(options::OPT_ftrivial_auto_var_init) || 32405ffd83dbSDimitry Andric StringRef( 32415ffd83dbSDimitry Andric Args.getLastArg(options::OPT_ftrivial_auto_var_init)->getValue()) == 32425ffd83dbSDimitry Andric "uninitialized") 32435ffd83dbSDimitry Andric D.Diag(diag::err_drv_trivial_auto_var_init_stop_after_missing_dependency); 32445ffd83dbSDimitry Andric A->claim(); 32455ffd83dbSDimitry Andric StringRef Val = A->getValue(); 32465ffd83dbSDimitry Andric if (std::stoi(Val.str()) <= 0) 32475ffd83dbSDimitry Andric D.Diag(diag::err_drv_trivial_auto_var_init_stop_after_invalid_value); 32485ffd83dbSDimitry Andric CmdArgs.push_back( 32495ffd83dbSDimitry Andric Args.MakeArgString("-ftrivial-auto-var-init-stop-after=" + Val)); 32505ffd83dbSDimitry Andric } 32510b57cec5SDimitry Andric } 32520b57cec5SDimitry Andric 3253fe6060f1SDimitry Andric static void RenderOpenCLOptions(const ArgList &Args, ArgStringList &CmdArgs, 3254fe6060f1SDimitry Andric types::ID InputType) { 32555ffd83dbSDimitry Andric // cl-denorms-are-zero is not forwarded. It is translated into a generic flag 32565ffd83dbSDimitry Andric // for denormal flushing handling based on the target. 32570b57cec5SDimitry Andric const unsigned ForwardedArguments[] = { 32580b57cec5SDimitry Andric options::OPT_cl_opt_disable, 32590b57cec5SDimitry Andric options::OPT_cl_strict_aliasing, 32600b57cec5SDimitry Andric options::OPT_cl_single_precision_constant, 32610b57cec5SDimitry Andric options::OPT_cl_finite_math_only, 32620b57cec5SDimitry Andric options::OPT_cl_kernel_arg_info, 32630b57cec5SDimitry Andric options::OPT_cl_unsafe_math_optimizations, 32640b57cec5SDimitry Andric options::OPT_cl_fast_relaxed_math, 32650b57cec5SDimitry Andric options::OPT_cl_mad_enable, 32660b57cec5SDimitry Andric options::OPT_cl_no_signed_zeros, 32670b57cec5SDimitry Andric options::OPT_cl_fp32_correctly_rounded_divide_sqrt, 32680b57cec5SDimitry Andric options::OPT_cl_uniform_work_group_size 32690b57cec5SDimitry Andric }; 32700b57cec5SDimitry Andric 32710b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_cl_std_EQ)) { 32720b57cec5SDimitry Andric std::string CLStdStr = std::string("-cl-std=") + A->getValue(); 32730b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(CLStdStr)); 32740b57cec5SDimitry Andric } 32750b57cec5SDimitry Andric 32760b57cec5SDimitry Andric for (const auto &Arg : ForwardedArguments) 32770b57cec5SDimitry Andric if (const auto *A = Args.getLastArg(Arg)) 32780b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(A->getOption().getPrefixedName())); 3279fe6060f1SDimitry Andric 3280fe6060f1SDimitry Andric // Only add the default headers if we are compiling OpenCL sources. 3281fe6060f1SDimitry Andric if ((types::isOpenCL(InputType) || 3282fe6060f1SDimitry Andric (Args.hasArg(options::OPT_cl_std_EQ) && types::isSrcFile(InputType))) && 3283fe6060f1SDimitry Andric !Args.hasArg(options::OPT_cl_no_stdinc)) { 3284fe6060f1SDimitry Andric CmdArgs.push_back("-finclude-default-header"); 3285fe6060f1SDimitry Andric CmdArgs.push_back("-fdeclare-opencl-builtins"); 3286fe6060f1SDimitry Andric } 32870b57cec5SDimitry Andric } 32880b57cec5SDimitry Andric 32890b57cec5SDimitry Andric static void RenderARCMigrateToolOptions(const Driver &D, const ArgList &Args, 32900b57cec5SDimitry Andric ArgStringList &CmdArgs) { 32910b57cec5SDimitry Andric bool ARCMTEnabled = false; 32920b57cec5SDimitry Andric if (!Args.hasArg(options::OPT_fno_objc_arc, options::OPT_fobjc_arc)) { 32930b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_ccc_arcmt_check, 32940b57cec5SDimitry Andric options::OPT_ccc_arcmt_modify, 32950b57cec5SDimitry Andric options::OPT_ccc_arcmt_migrate)) { 32960b57cec5SDimitry Andric ARCMTEnabled = true; 32970b57cec5SDimitry Andric switch (A->getOption().getID()) { 32980b57cec5SDimitry Andric default: llvm_unreachable("missed a case"); 32990b57cec5SDimitry Andric case options::OPT_ccc_arcmt_check: 3300e8d8bef9SDimitry Andric CmdArgs.push_back("-arcmt-action=check"); 33010b57cec5SDimitry Andric break; 33020b57cec5SDimitry Andric case options::OPT_ccc_arcmt_modify: 3303e8d8bef9SDimitry Andric CmdArgs.push_back("-arcmt-action=modify"); 33040b57cec5SDimitry Andric break; 33050b57cec5SDimitry Andric case options::OPT_ccc_arcmt_migrate: 3306e8d8bef9SDimitry Andric CmdArgs.push_back("-arcmt-action=migrate"); 33070b57cec5SDimitry Andric CmdArgs.push_back("-mt-migrate-directory"); 33080b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 33090b57cec5SDimitry Andric 33100b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_arcmt_migrate_report_output); 33110b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_arcmt_migrate_emit_arc_errors); 33120b57cec5SDimitry Andric break; 33130b57cec5SDimitry Andric } 33140b57cec5SDimitry Andric } 33150b57cec5SDimitry Andric } else { 33160b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_ccc_arcmt_check); 33170b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_ccc_arcmt_modify); 33180b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_ccc_arcmt_migrate); 33190b57cec5SDimitry Andric } 33200b57cec5SDimitry Andric 33210b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_ccc_objcmt_migrate)) { 33220b57cec5SDimitry Andric if (ARCMTEnabled) 33230b57cec5SDimitry Andric D.Diag(diag::err_drv_argument_not_allowed_with) 33240b57cec5SDimitry Andric << A->getAsString(Args) << "-ccc-arcmt-migrate"; 33250b57cec5SDimitry Andric 33260b57cec5SDimitry Andric CmdArgs.push_back("-mt-migrate-directory"); 33270b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 33280b57cec5SDimitry Andric 33290b57cec5SDimitry Andric if (!Args.hasArg(options::OPT_objcmt_migrate_literals, 33300b57cec5SDimitry Andric options::OPT_objcmt_migrate_subscripting, 33310b57cec5SDimitry Andric options::OPT_objcmt_migrate_property)) { 33320b57cec5SDimitry Andric // None specified, means enable them all. 33330b57cec5SDimitry Andric CmdArgs.push_back("-objcmt-migrate-literals"); 33340b57cec5SDimitry Andric CmdArgs.push_back("-objcmt-migrate-subscripting"); 33350b57cec5SDimitry Andric CmdArgs.push_back("-objcmt-migrate-property"); 33360b57cec5SDimitry Andric } else { 33370b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_literals); 33380b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_subscripting); 33390b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_property); 33400b57cec5SDimitry Andric } 33410b57cec5SDimitry Andric } else { 33420b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_literals); 33430b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_subscripting); 33440b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_property); 33450b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_all); 33460b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_readonly_property); 33470b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_readwrite_property); 33480b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_property_dot_syntax); 33490b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_annotation); 33500b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_instancetype); 33510b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_nsmacros); 33520b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_protocol_conformance); 33530b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_atomic_property); 33540b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_returns_innerpointer_property); 33550b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_ns_nonatomic_iosonly); 33560b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_migrate_designated_init); 33570b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_objcmt_whitelist_dir_path); 33580b57cec5SDimitry Andric } 33590b57cec5SDimitry Andric } 33600b57cec5SDimitry Andric 33610b57cec5SDimitry Andric static void RenderBuiltinOptions(const ToolChain &TC, const llvm::Triple &T, 33620b57cec5SDimitry Andric const ArgList &Args, ArgStringList &CmdArgs) { 33630b57cec5SDimitry Andric // -fbuiltin is default unless -mkernel is used. 33640b57cec5SDimitry Andric bool UseBuiltins = 33650b57cec5SDimitry Andric Args.hasFlag(options::OPT_fbuiltin, options::OPT_fno_builtin, 33660b57cec5SDimitry Andric !Args.hasArg(options::OPT_mkernel)); 33670b57cec5SDimitry Andric if (!UseBuiltins) 33680b57cec5SDimitry Andric CmdArgs.push_back("-fno-builtin"); 33690b57cec5SDimitry Andric 33700b57cec5SDimitry Andric // -ffreestanding implies -fno-builtin. 33710b57cec5SDimitry Andric if (Args.hasArg(options::OPT_ffreestanding)) 33720b57cec5SDimitry Andric UseBuiltins = false; 33730b57cec5SDimitry Andric 33740b57cec5SDimitry Andric // Process the -fno-builtin-* options. 33750b57cec5SDimitry Andric for (const auto &Arg : Args) { 33760b57cec5SDimitry Andric const Option &O = Arg->getOption(); 33770b57cec5SDimitry Andric if (!O.matches(options::OPT_fno_builtin_)) 33780b57cec5SDimitry Andric continue; 33790b57cec5SDimitry Andric 33800b57cec5SDimitry Andric Arg->claim(); 33810b57cec5SDimitry Andric 33820b57cec5SDimitry Andric // If -fno-builtin is specified, then there's no need to pass the option to 33830b57cec5SDimitry Andric // the frontend. 33840b57cec5SDimitry Andric if (!UseBuiltins) 33850b57cec5SDimitry Andric continue; 33860b57cec5SDimitry Andric 33870b57cec5SDimitry Andric StringRef FuncName = Arg->getValue(); 33880b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-fno-builtin-" + FuncName)); 33890b57cec5SDimitry Andric } 33900b57cec5SDimitry Andric 33910b57cec5SDimitry Andric // le32-specific flags: 33920b57cec5SDimitry Andric // -fno-math-builtin: clang should not convert math builtins to intrinsics 33930b57cec5SDimitry Andric // by default. 33940b57cec5SDimitry Andric if (TC.getArch() == llvm::Triple::le32) 33950b57cec5SDimitry Andric CmdArgs.push_back("-fno-math-builtin"); 33960b57cec5SDimitry Andric } 33970b57cec5SDimitry Andric 33985ffd83dbSDimitry Andric bool Driver::getDefaultModuleCachePath(SmallVectorImpl<char> &Result) { 33995ffd83dbSDimitry Andric if (llvm::sys::path::cache_directory(Result)) { 34005ffd83dbSDimitry Andric llvm::sys::path::append(Result, "clang"); 34010b57cec5SDimitry Andric llvm::sys::path::append(Result, "ModuleCache"); 34025ffd83dbSDimitry Andric return true; 34035ffd83dbSDimitry Andric } 34045ffd83dbSDimitry Andric return false; 34050b57cec5SDimitry Andric } 34060b57cec5SDimitry Andric 34070b57cec5SDimitry Andric static void RenderModulesOptions(Compilation &C, const Driver &D, 34080b57cec5SDimitry Andric const ArgList &Args, const InputInfo &Input, 34090b57cec5SDimitry Andric const InputInfo &Output, 34100b57cec5SDimitry Andric ArgStringList &CmdArgs, bool &HaveModules) { 34110b57cec5SDimitry Andric // -fmodules enables the use of precompiled modules (off by default). 34120b57cec5SDimitry Andric // Users can pass -fno-cxx-modules to turn off modules support for 34130b57cec5SDimitry Andric // C++/Objective-C++ programs. 34140b57cec5SDimitry Andric bool HaveClangModules = false; 34150b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fmodules, options::OPT_fno_modules, false)) { 34160b57cec5SDimitry Andric bool AllowedInCXX = Args.hasFlag(options::OPT_fcxx_modules, 34170b57cec5SDimitry Andric options::OPT_fno_cxx_modules, true); 34180b57cec5SDimitry Andric if (AllowedInCXX || !types::isCXX(Input.getType())) { 34190b57cec5SDimitry Andric CmdArgs.push_back("-fmodules"); 34200b57cec5SDimitry Andric HaveClangModules = true; 34210b57cec5SDimitry Andric } 34220b57cec5SDimitry Andric } 34230b57cec5SDimitry Andric 34240b57cec5SDimitry Andric HaveModules |= HaveClangModules; 34250b57cec5SDimitry Andric if (Args.hasArg(options::OPT_fmodules_ts)) { 34260b57cec5SDimitry Andric CmdArgs.push_back("-fmodules-ts"); 34270b57cec5SDimitry Andric HaveModules = true; 34280b57cec5SDimitry Andric } 34290b57cec5SDimitry Andric 34300b57cec5SDimitry Andric // -fmodule-maps enables implicit reading of module map files. By default, 34310b57cec5SDimitry Andric // this is enabled if we are using Clang's flavor of precompiled modules. 34320b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fimplicit_module_maps, 34330b57cec5SDimitry Andric options::OPT_fno_implicit_module_maps, HaveClangModules)) 34340b57cec5SDimitry Andric CmdArgs.push_back("-fimplicit-module-maps"); 34350b57cec5SDimitry Andric 34360b57cec5SDimitry Andric // -fmodules-decluse checks that modules used are declared so (off by default) 34370b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fmodules_decluse, 34380b57cec5SDimitry Andric options::OPT_fno_modules_decluse, false)) 34390b57cec5SDimitry Andric CmdArgs.push_back("-fmodules-decluse"); 34400b57cec5SDimitry Andric 34410b57cec5SDimitry Andric // -fmodules-strict-decluse is like -fmodule-decluse, but also checks that 34420b57cec5SDimitry Andric // all #included headers are part of modules. 34430b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fmodules_strict_decluse, 34440b57cec5SDimitry Andric options::OPT_fno_modules_strict_decluse, false)) 34450b57cec5SDimitry Andric CmdArgs.push_back("-fmodules-strict-decluse"); 34460b57cec5SDimitry Andric 34470b57cec5SDimitry Andric // -fno-implicit-modules turns off implicitly compiling modules on demand. 34480b57cec5SDimitry Andric bool ImplicitModules = false; 34490b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fimplicit_modules, 34500b57cec5SDimitry Andric options::OPT_fno_implicit_modules, HaveClangModules)) { 34510b57cec5SDimitry Andric if (HaveModules) 34520b57cec5SDimitry Andric CmdArgs.push_back("-fno-implicit-modules"); 34530b57cec5SDimitry Andric } else if (HaveModules) { 34540b57cec5SDimitry Andric ImplicitModules = true; 34550b57cec5SDimitry Andric // -fmodule-cache-path specifies where our implicitly-built module files 34560b57cec5SDimitry Andric // should be written. 34570b57cec5SDimitry Andric SmallString<128> Path; 34580b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fmodules_cache_path)) 34590b57cec5SDimitry Andric Path = A->getValue(); 34600b57cec5SDimitry Andric 34615ffd83dbSDimitry Andric bool HasPath = true; 34620b57cec5SDimitry Andric if (C.isForDiagnostics()) { 34630b57cec5SDimitry Andric // When generating crash reports, we want to emit the modules along with 34640b57cec5SDimitry Andric // the reproduction sources, so we ignore any provided module path. 34650b57cec5SDimitry Andric Path = Output.getFilename(); 34660b57cec5SDimitry Andric llvm::sys::path::replace_extension(Path, ".cache"); 34670b57cec5SDimitry Andric llvm::sys::path::append(Path, "modules"); 34680b57cec5SDimitry Andric } else if (Path.empty()) { 34690b57cec5SDimitry Andric // No module path was provided: use the default. 34705ffd83dbSDimitry Andric HasPath = Driver::getDefaultModuleCachePath(Path); 34710b57cec5SDimitry Andric } 34720b57cec5SDimitry Andric 34735ffd83dbSDimitry Andric // `HasPath` will only be false if getDefaultModuleCachePath() fails. 34745ffd83dbSDimitry Andric // That being said, that failure is unlikely and not caching is harmless. 34755ffd83dbSDimitry Andric if (HasPath) { 34760b57cec5SDimitry Andric const char Arg[] = "-fmodules-cache-path="; 34770b57cec5SDimitry Andric Path.insert(Path.begin(), Arg, Arg + strlen(Arg)); 34780b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Path)); 34790b57cec5SDimitry Andric } 34805ffd83dbSDimitry Andric } 34810b57cec5SDimitry Andric 34820b57cec5SDimitry Andric if (HaveModules) { 34830b57cec5SDimitry Andric // -fprebuilt-module-path specifies where to load the prebuilt module files. 34840b57cec5SDimitry Andric for (const Arg *A : Args.filtered(options::OPT_fprebuilt_module_path)) { 34850b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString( 34860b57cec5SDimitry Andric std::string("-fprebuilt-module-path=") + A->getValue())); 34870b57cec5SDimitry Andric A->claim(); 34880b57cec5SDimitry Andric } 3489e8d8bef9SDimitry Andric if (Args.hasFlag(options::OPT_fprebuilt_implicit_modules, 3490e8d8bef9SDimitry Andric options::OPT_fno_prebuilt_implicit_modules, false)) 3491e8d8bef9SDimitry Andric CmdArgs.push_back("-fprebuilt-implicit-modules"); 3492a7dea167SDimitry Andric if (Args.hasFlag(options::OPT_fmodules_validate_input_files_content, 3493a7dea167SDimitry Andric options::OPT_fno_modules_validate_input_files_content, 3494a7dea167SDimitry Andric false)) 3495a7dea167SDimitry Andric CmdArgs.push_back("-fvalidate-ast-input-files-content"); 34960b57cec5SDimitry Andric } 34970b57cec5SDimitry Andric 34980b57cec5SDimitry Andric // -fmodule-name specifies the module that is currently being built (or 34990b57cec5SDimitry Andric // used for header checking by -fmodule-maps). 35000b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fmodule_name_EQ); 35010b57cec5SDimitry Andric 35020b57cec5SDimitry Andric // -fmodule-map-file can be used to specify files containing module 35030b57cec5SDimitry Andric // definitions. 35040b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_fmodule_map_file); 35050b57cec5SDimitry Andric 35060b57cec5SDimitry Andric // -fbuiltin-module-map can be used to load the clang 35070b57cec5SDimitry Andric // builtin headers modulemap file. 35080b57cec5SDimitry Andric if (Args.hasArg(options::OPT_fbuiltin_module_map)) { 35090b57cec5SDimitry Andric SmallString<128> BuiltinModuleMap(D.ResourceDir); 35100b57cec5SDimitry Andric llvm::sys::path::append(BuiltinModuleMap, "include"); 35110b57cec5SDimitry Andric llvm::sys::path::append(BuiltinModuleMap, "module.modulemap"); 35120b57cec5SDimitry Andric if (llvm::sys::fs::exists(BuiltinModuleMap)) 35130b57cec5SDimitry Andric CmdArgs.push_back( 35140b57cec5SDimitry Andric Args.MakeArgString("-fmodule-map-file=" + BuiltinModuleMap)); 35150b57cec5SDimitry Andric } 35160b57cec5SDimitry Andric 35170b57cec5SDimitry Andric // The -fmodule-file=<name>=<file> form specifies the mapping of module 35180b57cec5SDimitry Andric // names to precompiled module files (the module is loaded only if used). 35190b57cec5SDimitry Andric // The -fmodule-file=<file> form can be used to unconditionally load 35200b57cec5SDimitry Andric // precompiled module files (whether used or not). 35210b57cec5SDimitry Andric if (HaveModules) 35220b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_fmodule_file); 35230b57cec5SDimitry Andric else 35240b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_fmodule_file); 35250b57cec5SDimitry Andric 35260b57cec5SDimitry Andric // When building modules and generating crashdumps, we need to dump a module 35270b57cec5SDimitry Andric // dependency VFS alongside the output. 35280b57cec5SDimitry Andric if (HaveClangModules && C.isForDiagnostics()) { 35290b57cec5SDimitry Andric SmallString<128> VFSDir(Output.getFilename()); 35300b57cec5SDimitry Andric llvm::sys::path::replace_extension(VFSDir, ".cache"); 35310b57cec5SDimitry Andric // Add the cache directory as a temp so the crash diagnostics pick it up. 35320b57cec5SDimitry Andric C.addTempFile(Args.MakeArgString(VFSDir)); 35330b57cec5SDimitry Andric 35340b57cec5SDimitry Andric llvm::sys::path::append(VFSDir, "vfs"); 35350b57cec5SDimitry Andric CmdArgs.push_back("-module-dependency-dir"); 35360b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(VFSDir)); 35370b57cec5SDimitry Andric } 35380b57cec5SDimitry Andric 35390b57cec5SDimitry Andric if (HaveClangModules) 35400b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fmodules_user_build_path); 35410b57cec5SDimitry Andric 35420b57cec5SDimitry Andric // Pass through all -fmodules-ignore-macro arguments. 35430b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_fmodules_ignore_macro); 35440b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fmodules_prune_interval); 35450b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fmodules_prune_after); 35460b57cec5SDimitry Andric 35470b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fbuild_session_timestamp); 35480b57cec5SDimitry Andric 35490b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fbuild_session_file)) { 35500b57cec5SDimitry Andric if (Args.hasArg(options::OPT_fbuild_session_timestamp)) 35510b57cec5SDimitry Andric D.Diag(diag::err_drv_argument_not_allowed_with) 35520b57cec5SDimitry Andric << A->getAsString(Args) << "-fbuild-session-timestamp"; 35530b57cec5SDimitry Andric 35540b57cec5SDimitry Andric llvm::sys::fs::file_status Status; 35550b57cec5SDimitry Andric if (llvm::sys::fs::status(A->getValue(), Status)) 35560b57cec5SDimitry Andric D.Diag(diag::err_drv_no_such_file) << A->getValue(); 35570b57cec5SDimitry Andric CmdArgs.push_back( 35580b57cec5SDimitry Andric Args.MakeArgString("-fbuild-session-timestamp=" + 35590b57cec5SDimitry Andric Twine((uint64_t)Status.getLastModificationTime() 35600b57cec5SDimitry Andric .time_since_epoch() 35610b57cec5SDimitry Andric .count()))); 35620b57cec5SDimitry Andric } 35630b57cec5SDimitry Andric 35640b57cec5SDimitry Andric if (Args.getLastArg(options::OPT_fmodules_validate_once_per_build_session)) { 35650b57cec5SDimitry Andric if (!Args.getLastArg(options::OPT_fbuild_session_timestamp, 35660b57cec5SDimitry Andric options::OPT_fbuild_session_file)) 35670b57cec5SDimitry Andric D.Diag(diag::err_drv_modules_validate_once_requires_timestamp); 35680b57cec5SDimitry Andric 35690b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, 35700b57cec5SDimitry Andric options::OPT_fmodules_validate_once_per_build_session); 35710b57cec5SDimitry Andric } 35720b57cec5SDimitry Andric 35730b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fmodules_validate_system_headers, 35740b57cec5SDimitry Andric options::OPT_fno_modules_validate_system_headers, 35750b57cec5SDimitry Andric ImplicitModules)) 35760b57cec5SDimitry Andric CmdArgs.push_back("-fmodules-validate-system-headers"); 35770b57cec5SDimitry Andric 35780b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fmodules_disable_diagnostic_validation); 35790b57cec5SDimitry Andric } 35800b57cec5SDimitry Andric 35810b57cec5SDimitry Andric static void RenderCharacterOptions(const ArgList &Args, const llvm::Triple &T, 35820b57cec5SDimitry Andric ArgStringList &CmdArgs) { 35830b57cec5SDimitry Andric // -fsigned-char is default. 35840b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_fsigned_char, 35850b57cec5SDimitry Andric options::OPT_fno_signed_char, 35860b57cec5SDimitry Andric options::OPT_funsigned_char, 35870b57cec5SDimitry Andric options::OPT_fno_unsigned_char)) { 35880b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_funsigned_char) || 35890b57cec5SDimitry Andric A->getOption().matches(options::OPT_fno_signed_char)) { 35900b57cec5SDimitry Andric CmdArgs.push_back("-fno-signed-char"); 35910b57cec5SDimitry Andric } 35920b57cec5SDimitry Andric } else if (!isSignedCharDefault(T)) { 35930b57cec5SDimitry Andric CmdArgs.push_back("-fno-signed-char"); 35940b57cec5SDimitry Andric } 35950b57cec5SDimitry Andric 35960b57cec5SDimitry Andric // The default depends on the language standard. 35970b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fchar8__t, options::OPT_fno_char8__t); 35980b57cec5SDimitry Andric 35990b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_fshort_wchar, 36000b57cec5SDimitry Andric options::OPT_fno_short_wchar)) { 36010b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_fshort_wchar)) { 36020b57cec5SDimitry Andric CmdArgs.push_back("-fwchar-type=short"); 36030b57cec5SDimitry Andric CmdArgs.push_back("-fno-signed-wchar"); 36040b57cec5SDimitry Andric } else { 36050b57cec5SDimitry Andric bool IsARM = T.isARM() || T.isThumb() || T.isAArch64(); 36060b57cec5SDimitry Andric CmdArgs.push_back("-fwchar-type=int"); 3607e8d8bef9SDimitry Andric if (T.isOSzOS() || 3608e8d8bef9SDimitry Andric (IsARM && !(T.isOSWindows() || T.isOSNetBSD() || T.isOSOpenBSD()))) 36090b57cec5SDimitry Andric CmdArgs.push_back("-fno-signed-wchar"); 36100b57cec5SDimitry Andric else 36110b57cec5SDimitry Andric CmdArgs.push_back("-fsigned-wchar"); 36120b57cec5SDimitry Andric } 36130b57cec5SDimitry Andric } 36140b57cec5SDimitry Andric } 36150b57cec5SDimitry Andric 36160b57cec5SDimitry Andric static void RenderObjCOptions(const ToolChain &TC, const Driver &D, 36170b57cec5SDimitry Andric const llvm::Triple &T, const ArgList &Args, 36180b57cec5SDimitry Andric ObjCRuntime &Runtime, bool InferCovariantReturns, 36190b57cec5SDimitry Andric const InputInfo &Input, ArgStringList &CmdArgs) { 36200b57cec5SDimitry Andric const llvm::Triple::ArchType Arch = TC.getArch(); 36210b57cec5SDimitry Andric 36220b57cec5SDimitry Andric // -fobjc-dispatch-method is only relevant with the nonfragile-abi, and legacy 36230b57cec5SDimitry Andric // is the default. Except for deployment target of 10.5, next runtime is 36240b57cec5SDimitry Andric // always legacy dispatch and -fno-objc-legacy-dispatch gets ignored silently. 36250b57cec5SDimitry Andric if (Runtime.isNonFragile()) { 36260b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fobjc_legacy_dispatch, 36270b57cec5SDimitry Andric options::OPT_fno_objc_legacy_dispatch, 36280b57cec5SDimitry Andric Runtime.isLegacyDispatchDefaultForArch(Arch))) { 36290b57cec5SDimitry Andric if (TC.UseObjCMixedDispatch()) 36300b57cec5SDimitry Andric CmdArgs.push_back("-fobjc-dispatch-method=mixed"); 36310b57cec5SDimitry Andric else 36320b57cec5SDimitry Andric CmdArgs.push_back("-fobjc-dispatch-method=non-legacy"); 36330b57cec5SDimitry Andric } 36340b57cec5SDimitry Andric } 36350b57cec5SDimitry Andric 36360b57cec5SDimitry Andric // When ObjectiveC legacy runtime is in effect on MacOSX, turn on the option 36370b57cec5SDimitry Andric // to do Array/Dictionary subscripting by default. 36380b57cec5SDimitry Andric if (Arch == llvm::Triple::x86 && T.isMacOSX() && 36390b57cec5SDimitry Andric Runtime.getKind() == ObjCRuntime::FragileMacOSX && Runtime.isNeXTFamily()) 36400b57cec5SDimitry Andric CmdArgs.push_back("-fobjc-subscripting-legacy-runtime"); 36410b57cec5SDimitry Andric 36420b57cec5SDimitry Andric // Allow -fno-objc-arr to trump -fobjc-arr/-fobjc-arc. 36430b57cec5SDimitry Andric // NOTE: This logic is duplicated in ToolChains.cpp. 36440b57cec5SDimitry Andric if (isObjCAutoRefCount(Args)) { 36450b57cec5SDimitry Andric TC.CheckObjCARC(); 36460b57cec5SDimitry Andric 36470b57cec5SDimitry Andric CmdArgs.push_back("-fobjc-arc"); 36480b57cec5SDimitry Andric 36490b57cec5SDimitry Andric // FIXME: It seems like this entire block, and several around it should be 36500b57cec5SDimitry Andric // wrapped in isObjC, but for now we just use it here as this is where it 36510b57cec5SDimitry Andric // was being used previously. 36520b57cec5SDimitry Andric if (types::isCXX(Input.getType()) && types::isObjC(Input.getType())) { 36530b57cec5SDimitry Andric if (TC.GetCXXStdlibType(Args) == ToolChain::CST_Libcxx) 36540b57cec5SDimitry Andric CmdArgs.push_back("-fobjc-arc-cxxlib=libc++"); 36550b57cec5SDimitry Andric else 36560b57cec5SDimitry Andric CmdArgs.push_back("-fobjc-arc-cxxlib=libstdc++"); 36570b57cec5SDimitry Andric } 36580b57cec5SDimitry Andric 36590b57cec5SDimitry Andric // Allow the user to enable full exceptions code emission. 36600b57cec5SDimitry Andric // We default off for Objective-C, on for Objective-C++. 36610b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fobjc_arc_exceptions, 36620b57cec5SDimitry Andric options::OPT_fno_objc_arc_exceptions, 36630b57cec5SDimitry Andric /*Default=*/types::isCXX(Input.getType()))) 36640b57cec5SDimitry Andric CmdArgs.push_back("-fobjc-arc-exceptions"); 36650b57cec5SDimitry Andric } 36660b57cec5SDimitry Andric 36670b57cec5SDimitry Andric // Silence warning for full exception code emission options when explicitly 36680b57cec5SDimitry Andric // set to use no ARC. 36690b57cec5SDimitry Andric if (Args.hasArg(options::OPT_fno_objc_arc)) { 36700b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_fobjc_arc_exceptions); 36710b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_fno_objc_arc_exceptions); 36720b57cec5SDimitry Andric } 36730b57cec5SDimitry Andric 36740b57cec5SDimitry Andric // Allow the user to control whether messages can be converted to runtime 36750b57cec5SDimitry Andric // functions. 36760b57cec5SDimitry Andric if (types::isObjC(Input.getType())) { 36770b57cec5SDimitry Andric auto *Arg = Args.getLastArg( 36780b57cec5SDimitry Andric options::OPT_fobjc_convert_messages_to_runtime_calls, 36790b57cec5SDimitry Andric options::OPT_fno_objc_convert_messages_to_runtime_calls); 36800b57cec5SDimitry Andric if (Arg && 36810b57cec5SDimitry Andric Arg->getOption().matches( 36820b57cec5SDimitry Andric options::OPT_fno_objc_convert_messages_to_runtime_calls)) 36830b57cec5SDimitry Andric CmdArgs.push_back("-fno-objc-convert-messages-to-runtime-calls"); 36840b57cec5SDimitry Andric } 36850b57cec5SDimitry Andric 36860b57cec5SDimitry Andric // -fobjc-infer-related-result-type is the default, except in the Objective-C 36870b57cec5SDimitry Andric // rewriter. 36880b57cec5SDimitry Andric if (InferCovariantReturns) 36890b57cec5SDimitry Andric CmdArgs.push_back("-fno-objc-infer-related-result-type"); 36900b57cec5SDimitry Andric 36910b57cec5SDimitry Andric // Pass down -fobjc-weak or -fno-objc-weak if present. 36920b57cec5SDimitry Andric if (types::isObjC(Input.getType())) { 36930b57cec5SDimitry Andric auto WeakArg = 36940b57cec5SDimitry Andric Args.getLastArg(options::OPT_fobjc_weak, options::OPT_fno_objc_weak); 36950b57cec5SDimitry Andric if (!WeakArg) { 36960b57cec5SDimitry Andric // nothing to do 36970b57cec5SDimitry Andric } else if (!Runtime.allowsWeak()) { 36980b57cec5SDimitry Andric if (WeakArg->getOption().matches(options::OPT_fobjc_weak)) 36990b57cec5SDimitry Andric D.Diag(diag::err_objc_weak_unsupported); 37000b57cec5SDimitry Andric } else { 37010b57cec5SDimitry Andric WeakArg->render(Args, CmdArgs); 37020b57cec5SDimitry Andric } 37030b57cec5SDimitry Andric } 3704fe6060f1SDimitry Andric 3705fe6060f1SDimitry Andric if (Args.hasArg(options::OPT_fobjc_disable_direct_methods_for_testing)) 3706fe6060f1SDimitry Andric CmdArgs.push_back("-fobjc-disable-direct-methods-for-testing"); 37070b57cec5SDimitry Andric } 37080b57cec5SDimitry Andric 37090b57cec5SDimitry Andric static void RenderDiagnosticsOptions(const Driver &D, const ArgList &Args, 37100b57cec5SDimitry Andric ArgStringList &CmdArgs) { 37110b57cec5SDimitry Andric bool CaretDefault = true; 37120b57cec5SDimitry Andric bool ColumnDefault = true; 37130b57cec5SDimitry Andric 37140b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT__SLASH_diagnostics_classic, 37150b57cec5SDimitry Andric options::OPT__SLASH_diagnostics_column, 37160b57cec5SDimitry Andric options::OPT__SLASH_diagnostics_caret)) { 37170b57cec5SDimitry Andric switch (A->getOption().getID()) { 37180b57cec5SDimitry Andric case options::OPT__SLASH_diagnostics_caret: 37190b57cec5SDimitry Andric CaretDefault = true; 37200b57cec5SDimitry Andric ColumnDefault = true; 37210b57cec5SDimitry Andric break; 37220b57cec5SDimitry Andric case options::OPT__SLASH_diagnostics_column: 37230b57cec5SDimitry Andric CaretDefault = false; 37240b57cec5SDimitry Andric ColumnDefault = true; 37250b57cec5SDimitry Andric break; 37260b57cec5SDimitry Andric case options::OPT__SLASH_diagnostics_classic: 37270b57cec5SDimitry Andric CaretDefault = false; 37280b57cec5SDimitry Andric ColumnDefault = false; 37290b57cec5SDimitry Andric break; 37300b57cec5SDimitry Andric } 37310b57cec5SDimitry Andric } 37320b57cec5SDimitry Andric 37330b57cec5SDimitry Andric // -fcaret-diagnostics is default. 37340b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fcaret_diagnostics, 37350b57cec5SDimitry Andric options::OPT_fno_caret_diagnostics, CaretDefault)) 37360b57cec5SDimitry Andric CmdArgs.push_back("-fno-caret-diagnostics"); 37370b57cec5SDimitry Andric 37380b57cec5SDimitry Andric // -fdiagnostics-fixit-info is default, only pass non-default. 37390b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fdiagnostics_fixit_info, 37400b57cec5SDimitry Andric options::OPT_fno_diagnostics_fixit_info)) 37410b57cec5SDimitry Andric CmdArgs.push_back("-fno-diagnostics-fixit-info"); 37420b57cec5SDimitry Andric 37430b57cec5SDimitry Andric // Enable -fdiagnostics-show-option by default. 37445ffd83dbSDimitry Andric if (!Args.hasFlag(options::OPT_fdiagnostics_show_option, 37455ffd83dbSDimitry Andric options::OPT_fno_diagnostics_show_option, true)) 37465ffd83dbSDimitry Andric CmdArgs.push_back("-fno-diagnostics-show-option"); 37470b57cec5SDimitry Andric 37480b57cec5SDimitry Andric if (const Arg *A = 37490b57cec5SDimitry Andric Args.getLastArg(options::OPT_fdiagnostics_show_category_EQ)) { 37500b57cec5SDimitry Andric CmdArgs.push_back("-fdiagnostics-show-category"); 37510b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 37520b57cec5SDimitry Andric } 37530b57cec5SDimitry Andric 37540b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fdiagnostics_show_hotness, 37550b57cec5SDimitry Andric options::OPT_fno_diagnostics_show_hotness, false)) 37560b57cec5SDimitry Andric CmdArgs.push_back("-fdiagnostics-show-hotness"); 37570b57cec5SDimitry Andric 37580b57cec5SDimitry Andric if (const Arg *A = 37590b57cec5SDimitry Andric Args.getLastArg(options::OPT_fdiagnostics_hotness_threshold_EQ)) { 37600b57cec5SDimitry Andric std::string Opt = 37610b57cec5SDimitry Andric std::string("-fdiagnostics-hotness-threshold=") + A->getValue(); 37620b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Opt)); 37630b57cec5SDimitry Andric } 37640b57cec5SDimitry Andric 37650b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_fdiagnostics_format_EQ)) { 37660b57cec5SDimitry Andric CmdArgs.push_back("-fdiagnostics-format"); 37670b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 37680b57cec5SDimitry Andric } 37690b57cec5SDimitry Andric 37700b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg( 37710b57cec5SDimitry Andric options::OPT_fdiagnostics_show_note_include_stack, 37720b57cec5SDimitry Andric options::OPT_fno_diagnostics_show_note_include_stack)) { 37730b57cec5SDimitry Andric const Option &O = A->getOption(); 37740b57cec5SDimitry Andric if (O.matches(options::OPT_fdiagnostics_show_note_include_stack)) 37750b57cec5SDimitry Andric CmdArgs.push_back("-fdiagnostics-show-note-include-stack"); 37760b57cec5SDimitry Andric else 37770b57cec5SDimitry Andric CmdArgs.push_back("-fno-diagnostics-show-note-include-stack"); 37780b57cec5SDimitry Andric } 37790b57cec5SDimitry Andric 37800b57cec5SDimitry Andric // Color diagnostics are parsed by the driver directly from argv and later 37810b57cec5SDimitry Andric // re-parsed to construct this job; claim any possible color diagnostic here 37820b57cec5SDimitry Andric // to avoid warn_drv_unused_argument and diagnose bad 37830b57cec5SDimitry Andric // OPT_fdiagnostics_color_EQ values. 37840b57cec5SDimitry Andric for (const Arg *A : Args) { 37850b57cec5SDimitry Andric const Option &O = A->getOption(); 37860b57cec5SDimitry Andric if (!O.matches(options::OPT_fcolor_diagnostics) && 37870b57cec5SDimitry Andric !O.matches(options::OPT_fdiagnostics_color) && 37880b57cec5SDimitry Andric !O.matches(options::OPT_fno_color_diagnostics) && 37890b57cec5SDimitry Andric !O.matches(options::OPT_fno_diagnostics_color) && 37900b57cec5SDimitry Andric !O.matches(options::OPT_fdiagnostics_color_EQ)) 37910b57cec5SDimitry Andric continue; 37920b57cec5SDimitry Andric 37930b57cec5SDimitry Andric if (O.matches(options::OPT_fdiagnostics_color_EQ)) { 37940b57cec5SDimitry Andric StringRef Value(A->getValue()); 37950b57cec5SDimitry Andric if (Value != "always" && Value != "never" && Value != "auto") 37960b57cec5SDimitry Andric D.Diag(diag::err_drv_clang_unsupported) 37970b57cec5SDimitry Andric << ("-fdiagnostics-color=" + Value).str(); 37980b57cec5SDimitry Andric } 37990b57cec5SDimitry Andric A->claim(); 38000b57cec5SDimitry Andric } 38010b57cec5SDimitry Andric 38020b57cec5SDimitry Andric if (D.getDiags().getDiagnosticOptions().ShowColors) 38030b57cec5SDimitry Andric CmdArgs.push_back("-fcolor-diagnostics"); 38040b57cec5SDimitry Andric 38050b57cec5SDimitry Andric if (Args.hasArg(options::OPT_fansi_escape_codes)) 38060b57cec5SDimitry Andric CmdArgs.push_back("-fansi-escape-codes"); 38070b57cec5SDimitry Andric 38080b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fshow_source_location, 38090b57cec5SDimitry Andric options::OPT_fno_show_source_location)) 38100b57cec5SDimitry Andric CmdArgs.push_back("-fno-show-source-location"); 38110b57cec5SDimitry Andric 38120b57cec5SDimitry Andric if (Args.hasArg(options::OPT_fdiagnostics_absolute_paths)) 38130b57cec5SDimitry Andric CmdArgs.push_back("-fdiagnostics-absolute-paths"); 38140b57cec5SDimitry Andric 38150b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fshow_column, options::OPT_fno_show_column, 38160b57cec5SDimitry Andric ColumnDefault)) 38170b57cec5SDimitry Andric CmdArgs.push_back("-fno-show-column"); 38180b57cec5SDimitry Andric 38190b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fspell_checking, 38200b57cec5SDimitry Andric options::OPT_fno_spell_checking)) 38210b57cec5SDimitry Andric CmdArgs.push_back("-fno-spell-checking"); 38220b57cec5SDimitry Andric } 38230b57cec5SDimitry Andric 38240b57cec5SDimitry Andric enum class DwarfFissionKind { None, Split, Single }; 38250b57cec5SDimitry Andric 38260b57cec5SDimitry Andric static DwarfFissionKind getDebugFissionKind(const Driver &D, 38270b57cec5SDimitry Andric const ArgList &Args, Arg *&Arg) { 3828e8d8bef9SDimitry Andric Arg = Args.getLastArg(options::OPT_gsplit_dwarf, options::OPT_gsplit_dwarf_EQ, 3829e8d8bef9SDimitry Andric options::OPT_gno_split_dwarf); 3830e8d8bef9SDimitry Andric if (!Arg || Arg->getOption().matches(options::OPT_gno_split_dwarf)) 38310b57cec5SDimitry Andric return DwarfFissionKind::None; 38320b57cec5SDimitry Andric 38330b57cec5SDimitry Andric if (Arg->getOption().matches(options::OPT_gsplit_dwarf)) 38340b57cec5SDimitry Andric return DwarfFissionKind::Split; 38350b57cec5SDimitry Andric 38360b57cec5SDimitry Andric StringRef Value = Arg->getValue(); 38370b57cec5SDimitry Andric if (Value == "split") 38380b57cec5SDimitry Andric return DwarfFissionKind::Split; 38390b57cec5SDimitry Andric if (Value == "single") 38400b57cec5SDimitry Andric return DwarfFissionKind::Single; 38410b57cec5SDimitry Andric 38420b57cec5SDimitry Andric D.Diag(diag::err_drv_unsupported_option_argument) 38430b57cec5SDimitry Andric << Arg->getOption().getName() << Arg->getValue(); 38440b57cec5SDimitry Andric return DwarfFissionKind::None; 38450b57cec5SDimitry Andric } 38460b57cec5SDimitry Andric 3847fe6060f1SDimitry Andric static void renderDwarfFormat(const Driver &D, const llvm::Triple &T, 3848fe6060f1SDimitry Andric const ArgList &Args, ArgStringList &CmdArgs, 3849fe6060f1SDimitry Andric unsigned DwarfVersion) { 3850fe6060f1SDimitry Andric auto *DwarfFormatArg = 3851fe6060f1SDimitry Andric Args.getLastArg(options::OPT_gdwarf64, options::OPT_gdwarf32); 3852fe6060f1SDimitry Andric if (!DwarfFormatArg) 3853fe6060f1SDimitry Andric return; 3854fe6060f1SDimitry Andric 3855fe6060f1SDimitry Andric if (DwarfFormatArg->getOption().matches(options::OPT_gdwarf64)) { 3856fe6060f1SDimitry Andric if (DwarfVersion < 3) 3857fe6060f1SDimitry Andric D.Diag(diag::err_drv_argument_only_allowed_with) 3858fe6060f1SDimitry Andric << DwarfFormatArg->getAsString(Args) << "DWARFv3 or greater"; 3859fe6060f1SDimitry Andric else if (!T.isArch64Bit()) 3860fe6060f1SDimitry Andric D.Diag(diag::err_drv_argument_only_allowed_with) 3861fe6060f1SDimitry Andric << DwarfFormatArg->getAsString(Args) << "64 bit architecture"; 3862fe6060f1SDimitry Andric else if (!T.isOSBinFormatELF()) 3863fe6060f1SDimitry Andric D.Diag(diag::err_drv_argument_only_allowed_with) 3864fe6060f1SDimitry Andric << DwarfFormatArg->getAsString(Args) << "ELF platforms"; 3865fe6060f1SDimitry Andric } 3866fe6060f1SDimitry Andric 3867fe6060f1SDimitry Andric DwarfFormatArg->render(Args, CmdArgs); 3868fe6060f1SDimitry Andric } 3869fe6060f1SDimitry Andric 3870e8d8bef9SDimitry Andric static void renderDebugOptions(const ToolChain &TC, const Driver &D, 38710b57cec5SDimitry Andric const llvm::Triple &T, const ArgList &Args, 3872e8d8bef9SDimitry Andric bool EmitCodeView, bool IRInput, 3873e8d8bef9SDimitry Andric ArgStringList &CmdArgs, 38740b57cec5SDimitry Andric codegenoptions::DebugInfoKind &DebugInfoKind, 38750b57cec5SDimitry Andric DwarfFissionKind &DwarfFission) { 3876fe6060f1SDimitry Andric // These two forms of profiling info can't be used together. 3877fe6060f1SDimitry Andric if (const Arg *A1 = Args.getLastArg(options::OPT_fpseudo_probe_for_profiling)) 3878fe6060f1SDimitry Andric if (const Arg *A2 = Args.getLastArg(options::OPT_fdebug_info_for_profiling)) 3879fe6060f1SDimitry Andric D.Diag(diag::err_drv_argument_not_allowed_with) 3880fe6060f1SDimitry Andric << A1->getAsString(Args) << A2->getAsString(Args); 3881fe6060f1SDimitry Andric 38820b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fdebug_info_for_profiling, 38830b57cec5SDimitry Andric options::OPT_fno_debug_info_for_profiling, false) && 38840b57cec5SDimitry Andric checkDebugInfoOption( 38850b57cec5SDimitry Andric Args.getLastArg(options::OPT_fdebug_info_for_profiling), Args, D, TC)) 38860b57cec5SDimitry Andric CmdArgs.push_back("-fdebug-info-for-profiling"); 38870b57cec5SDimitry Andric 38880b57cec5SDimitry Andric // The 'g' groups options involve a somewhat intricate sequence of decisions 38890b57cec5SDimitry Andric // about what to pass from the driver to the frontend, but by the time they 38900b57cec5SDimitry Andric // reach cc1 they've been factored into three well-defined orthogonal choices: 38910b57cec5SDimitry Andric // * what level of debug info to generate 38920b57cec5SDimitry Andric // * what dwarf version to write 38930b57cec5SDimitry Andric // * what debugger tuning to use 38940b57cec5SDimitry Andric // This avoids having to monkey around further in cc1 other than to disable 38950b57cec5SDimitry Andric // codeview if not running in a Windows environment. Perhaps even that 38960b57cec5SDimitry Andric // decision should be made in the driver as well though. 38970b57cec5SDimitry Andric llvm::DebuggerKind DebuggerTuning = TC.getDefaultDebuggerTuning(); 38980b57cec5SDimitry Andric 38990b57cec5SDimitry Andric bool SplitDWARFInlining = 39000b57cec5SDimitry Andric Args.hasFlag(options::OPT_fsplit_dwarf_inlining, 3901480093f4SDimitry Andric options::OPT_fno_split_dwarf_inlining, false); 39020b57cec5SDimitry Andric 3903e8d8bef9SDimitry Andric // Normally -gsplit-dwarf is only useful with -gN. For IR input, Clang does 3904e8d8bef9SDimitry Andric // object file generation and no IR generation, -gN should not be needed. So 3905e8d8bef9SDimitry Andric // allow -gsplit-dwarf with either -gN or IR input. 3906e8d8bef9SDimitry Andric if (IRInput || Args.hasArg(options::OPT_g_Group)) { 39070b57cec5SDimitry Andric Arg *SplitDWARFArg; 39080b57cec5SDimitry Andric DwarfFission = getDebugFissionKind(D, Args, SplitDWARFArg); 39090b57cec5SDimitry Andric if (DwarfFission != DwarfFissionKind::None && 39100b57cec5SDimitry Andric !checkDebugInfoOption(SplitDWARFArg, Args, D, TC)) { 39110b57cec5SDimitry Andric DwarfFission = DwarfFissionKind::None; 39120b57cec5SDimitry Andric SplitDWARFInlining = false; 39130b57cec5SDimitry Andric } 3914e8d8bef9SDimitry Andric } 3915e8d8bef9SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_g_Group)) { 3916fe6060f1SDimitry Andric DebugInfoKind = codegenoptions::DebugInfoConstructor; 39170b57cec5SDimitry Andric 39180b57cec5SDimitry Andric // If the last option explicitly specified a debug-info level, use it. 39190b57cec5SDimitry Andric if (checkDebugInfoOption(A, Args, D, TC) && 39200b57cec5SDimitry Andric A->getOption().matches(options::OPT_gN_Group)) { 39210b57cec5SDimitry Andric DebugInfoKind = DebugLevelToInfoKind(*A); 39220b57cec5SDimitry Andric // For -g0 or -gline-tables-only, drop -gsplit-dwarf. This gets a bit more 39230b57cec5SDimitry Andric // complicated if you've disabled inline info in the skeleton CUs 39240b57cec5SDimitry Andric // (SplitDWARFInlining) - then there's value in composing split-dwarf and 39250b57cec5SDimitry Andric // line-tables-only, so let those compose naturally in that case. 39260b57cec5SDimitry Andric if (DebugInfoKind == codegenoptions::NoDebugInfo || 39270b57cec5SDimitry Andric DebugInfoKind == codegenoptions::DebugDirectivesOnly || 39280b57cec5SDimitry Andric (DebugInfoKind == codegenoptions::DebugLineTablesOnly && 39290b57cec5SDimitry Andric SplitDWARFInlining)) 39300b57cec5SDimitry Andric DwarfFission = DwarfFissionKind::None; 39310b57cec5SDimitry Andric } 39320b57cec5SDimitry Andric } 39330b57cec5SDimitry Andric 39340b57cec5SDimitry Andric // If a debugger tuning argument appeared, remember it. 39350b57cec5SDimitry Andric if (const Arg *A = 39360b57cec5SDimitry Andric Args.getLastArg(options::OPT_gTune_Group, options::OPT_ggdbN_Group)) { 39370b57cec5SDimitry Andric if (checkDebugInfoOption(A, Args, D, TC)) { 39380b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_glldb)) 39390b57cec5SDimitry Andric DebuggerTuning = llvm::DebuggerKind::LLDB; 39400b57cec5SDimitry Andric else if (A->getOption().matches(options::OPT_gsce)) 39410b57cec5SDimitry Andric DebuggerTuning = llvm::DebuggerKind::SCE; 3942fe6060f1SDimitry Andric else if (A->getOption().matches(options::OPT_gdbx)) 3943fe6060f1SDimitry Andric DebuggerTuning = llvm::DebuggerKind::DBX; 39440b57cec5SDimitry Andric else 39450b57cec5SDimitry Andric DebuggerTuning = llvm::DebuggerKind::GDB; 39460b57cec5SDimitry Andric } 39470b57cec5SDimitry Andric } 39480b57cec5SDimitry Andric 39490b57cec5SDimitry Andric // If a -gdwarf argument appeared, remember it. 3950fe6060f1SDimitry Andric const Arg *GDwarfN = getDwarfNArg(Args); 3951480093f4SDimitry Andric bool EmitDwarf = false; 3952480093f4SDimitry Andric if (GDwarfN) { 3953480093f4SDimitry Andric if (checkDebugInfoOption(GDwarfN, Args, D, TC)) 3954480093f4SDimitry Andric EmitDwarf = true; 3955480093f4SDimitry Andric else 3956480093f4SDimitry Andric GDwarfN = nullptr; 3957480093f4SDimitry Andric } 39580b57cec5SDimitry Andric 39590b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_gcodeview)) { 39600b57cec5SDimitry Andric if (checkDebugInfoOption(A, Args, D, TC)) 39610b57cec5SDimitry Andric EmitCodeView = true; 39620b57cec5SDimitry Andric } 39630b57cec5SDimitry Andric 39640b57cec5SDimitry Andric // If the user asked for debug info but did not explicitly specify -gcodeview 39650b57cec5SDimitry Andric // or -gdwarf, ask the toolchain for the default format. 3966480093f4SDimitry Andric if (!EmitCodeView && !EmitDwarf && 39670b57cec5SDimitry Andric DebugInfoKind != codegenoptions::NoDebugInfo) { 39680b57cec5SDimitry Andric switch (TC.getDefaultDebugFormat()) { 39690b57cec5SDimitry Andric case codegenoptions::DIF_CodeView: 39700b57cec5SDimitry Andric EmitCodeView = true; 39710b57cec5SDimitry Andric break; 39720b57cec5SDimitry Andric case codegenoptions::DIF_DWARF: 3973480093f4SDimitry Andric EmitDwarf = true; 39740b57cec5SDimitry Andric break; 39750b57cec5SDimitry Andric } 39760b57cec5SDimitry Andric } 39770b57cec5SDimitry Andric 3978e8d8bef9SDimitry Andric unsigned RequestedDWARFVersion = 0; // DWARF version requested by the user 3979e8d8bef9SDimitry Andric unsigned EffectiveDWARFVersion = 0; // DWARF version TC can generate. It may 3980e8d8bef9SDimitry Andric // be lower than what the user wanted. 3981480093f4SDimitry Andric unsigned DefaultDWARFVersion = ParseDebugDefaultVersion(TC, Args); 3982480093f4SDimitry Andric if (EmitDwarf) { 3983480093f4SDimitry Andric // Start with the platform default DWARF version 3984e8d8bef9SDimitry Andric RequestedDWARFVersion = TC.GetDefaultDwarfVersion(); 3985e8d8bef9SDimitry Andric assert(RequestedDWARFVersion && 3986e8d8bef9SDimitry Andric "toolchain default DWARF version must be nonzero"); 3987480093f4SDimitry Andric 3988480093f4SDimitry Andric // If the user specified a default DWARF version, that takes precedence 3989480093f4SDimitry Andric // over the platform default. 3990480093f4SDimitry Andric if (DefaultDWARFVersion) 3991e8d8bef9SDimitry Andric RequestedDWARFVersion = DefaultDWARFVersion; 3992480093f4SDimitry Andric 3993480093f4SDimitry Andric // Override with a user-specified DWARF version 3994480093f4SDimitry Andric if (GDwarfN) 3995480093f4SDimitry Andric if (auto ExplicitVersion = DwarfVersionNum(GDwarfN->getSpelling())) 3996e8d8bef9SDimitry Andric RequestedDWARFVersion = ExplicitVersion; 3997e8d8bef9SDimitry Andric // Clamp effective DWARF version to the max supported by the toolchain. 3998e8d8bef9SDimitry Andric EffectiveDWARFVersion = 3999e8d8bef9SDimitry Andric std::min(RequestedDWARFVersion, TC.getMaxDwarfVersion()); 4000480093f4SDimitry Andric } 4001480093f4SDimitry Andric 40020b57cec5SDimitry Andric // -gline-directives-only supported only for the DWARF debug info. 4003e8d8bef9SDimitry Andric if (RequestedDWARFVersion == 0 && 4004e8d8bef9SDimitry Andric DebugInfoKind == codegenoptions::DebugDirectivesOnly) 40050b57cec5SDimitry Andric DebugInfoKind = codegenoptions::NoDebugInfo; 40060b57cec5SDimitry Andric 4007fe6060f1SDimitry Andric // strict DWARF is set to false by default. But for DBX, we need it to be set 4008fe6060f1SDimitry Andric // as true by default. 4009fe6060f1SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_gstrict_dwarf)) 4010fe6060f1SDimitry Andric (void)checkDebugInfoOption(A, Args, D, TC); 4011fe6060f1SDimitry Andric if (Args.hasFlag(options::OPT_gstrict_dwarf, options::OPT_gno_strict_dwarf, 4012fe6060f1SDimitry Andric DebuggerTuning == llvm::DebuggerKind::DBX)) 4013fe6060f1SDimitry Andric CmdArgs.push_back("-gstrict-dwarf"); 4014fe6060f1SDimitry Andric 40150b57cec5SDimitry Andric // And we handle flag -grecord-gcc-switches later with DWARFDebugFlags. 40160b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_g_flags_Group); 40170b57cec5SDimitry Andric 40180b57cec5SDimitry Andric // Column info is included by default for everything except SCE and 40190b57cec5SDimitry Andric // CodeView. Clang doesn't track end columns, just starting columns, which, 40200b57cec5SDimitry Andric // in theory, is fine for CodeView (and PDB). In practice, however, the 4021fe6060f1SDimitry Andric // Microsoft debuggers don't handle missing end columns well, and the AIX 4022fe6060f1SDimitry Andric // debugger DBX also doesn't handle the columns well, so it's better not to 4023fe6060f1SDimitry Andric // include any column info. 40240b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_gcolumn_info)) 40250b57cec5SDimitry Andric (void)checkDebugInfoOption(A, Args, D, TC); 40265ffd83dbSDimitry Andric if (!Args.hasFlag(options::OPT_gcolumn_info, options::OPT_gno_column_info, 4027fe6060f1SDimitry Andric !EmitCodeView && 4028fe6060f1SDimitry Andric (DebuggerTuning != llvm::DebuggerKind::SCE && 4029fe6060f1SDimitry Andric DebuggerTuning != llvm::DebuggerKind::DBX))) 40305ffd83dbSDimitry Andric CmdArgs.push_back("-gno-column-info"); 40310b57cec5SDimitry Andric 40320b57cec5SDimitry Andric // FIXME: Move backend command line options to the module. 40330b57cec5SDimitry Andric // If -gline-tables-only or -gline-directives-only is the last option it wins. 40340b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_gmodules)) 40350b57cec5SDimitry Andric if (checkDebugInfoOption(A, Args, D, TC)) { 40360b57cec5SDimitry Andric if (DebugInfoKind != codegenoptions::DebugLineTablesOnly && 40370b57cec5SDimitry Andric DebugInfoKind != codegenoptions::DebugDirectivesOnly) { 4038fe6060f1SDimitry Andric DebugInfoKind = codegenoptions::DebugInfoConstructor; 40390b57cec5SDimitry Andric CmdArgs.push_back("-dwarf-ext-refs"); 40400b57cec5SDimitry Andric CmdArgs.push_back("-fmodule-format=obj"); 40410b57cec5SDimitry Andric } 40420b57cec5SDimitry Andric } 40430b57cec5SDimitry Andric 4044fe6060f1SDimitry Andric if (T.isOSBinFormatELF() && SplitDWARFInlining) 4045fe6060f1SDimitry Andric CmdArgs.push_back("-fsplit-dwarf-inlining"); 40460b57cec5SDimitry Andric 40470b57cec5SDimitry Andric // After we've dealt with all combinations of things that could 40480b57cec5SDimitry Andric // make DebugInfoKind be other than None or DebugLineTablesOnly, 40490b57cec5SDimitry Andric // figure out if we need to "upgrade" it to standalone debug info. 40500b57cec5SDimitry Andric // We parse these two '-f' options whether or not they will be used, 40510b57cec5SDimitry Andric // to claim them even if you wrote "-fstandalone-debug -gline-tables-only" 40520b57cec5SDimitry Andric bool NeedFullDebug = Args.hasFlag( 40530b57cec5SDimitry Andric options::OPT_fstandalone_debug, options::OPT_fno_standalone_debug, 40540b57cec5SDimitry Andric DebuggerTuning == llvm::DebuggerKind::LLDB || 40550b57cec5SDimitry Andric TC.GetDefaultStandaloneDebug()); 40560b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_fstandalone_debug)) 40570b57cec5SDimitry Andric (void)checkDebugInfoOption(A, Args, D, TC); 4058e8d8bef9SDimitry Andric 4059fe6060f1SDimitry Andric if (DebugInfoKind == codegenoptions::LimitedDebugInfo || 4060fe6060f1SDimitry Andric DebugInfoKind == codegenoptions::DebugInfoConstructor) { 4061e8d8bef9SDimitry Andric if (Args.hasFlag(options::OPT_fno_eliminate_unused_debug_types, 4062e8d8bef9SDimitry Andric options::OPT_feliminate_unused_debug_types, false)) 4063e8d8bef9SDimitry Andric DebugInfoKind = codegenoptions::UnusedTypeInfo; 4064e8d8bef9SDimitry Andric else if (NeedFullDebug) 40650b57cec5SDimitry Andric DebugInfoKind = codegenoptions::FullDebugInfo; 4066e8d8bef9SDimitry Andric } 40670b57cec5SDimitry Andric 40680b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_gembed_source, options::OPT_gno_embed_source, 40690b57cec5SDimitry Andric false)) { 40700b57cec5SDimitry Andric // Source embedding is a vendor extension to DWARF v5. By now we have 40710b57cec5SDimitry Andric // checked if a DWARF version was stated explicitly, and have otherwise 40720b57cec5SDimitry Andric // fallen back to the target default, so if this is still not at least 5 40730b57cec5SDimitry Andric // we emit an error. 40740b57cec5SDimitry Andric const Arg *A = Args.getLastArg(options::OPT_gembed_source); 4075e8d8bef9SDimitry Andric if (RequestedDWARFVersion < 5) 40760b57cec5SDimitry Andric D.Diag(diag::err_drv_argument_only_allowed_with) 40770b57cec5SDimitry Andric << A->getAsString(Args) << "-gdwarf-5"; 4078e8d8bef9SDimitry Andric else if (EffectiveDWARFVersion < 5) 4079e8d8bef9SDimitry Andric // The toolchain has reduced allowed dwarf version, so we can't enable 4080e8d8bef9SDimitry Andric // -gembed-source. 4081e8d8bef9SDimitry Andric D.Diag(diag::warn_drv_dwarf_version_limited_by_target) 4082e8d8bef9SDimitry Andric << A->getAsString(Args) << TC.getTripleString() << 5 4083e8d8bef9SDimitry Andric << EffectiveDWARFVersion; 40840b57cec5SDimitry Andric else if (checkDebugInfoOption(A, Args, D, TC)) 40850b57cec5SDimitry Andric CmdArgs.push_back("-gembed-source"); 40860b57cec5SDimitry Andric } 40870b57cec5SDimitry Andric 40880b57cec5SDimitry Andric if (EmitCodeView) { 40890b57cec5SDimitry Andric CmdArgs.push_back("-gcodeview"); 40900b57cec5SDimitry Andric 40910b57cec5SDimitry Andric // Emit codeview type hashes if requested. 40920b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_gcodeview_ghash, 40930b57cec5SDimitry Andric options::OPT_gno_codeview_ghash, false)) { 40940b57cec5SDimitry Andric CmdArgs.push_back("-gcodeview-ghash"); 40950b57cec5SDimitry Andric } 40960b57cec5SDimitry Andric } 40970b57cec5SDimitry Andric 4098480093f4SDimitry Andric // Omit inline line tables if requested. 4099480093f4SDimitry Andric if (Args.hasFlag(options::OPT_gno_inline_line_tables, 4100480093f4SDimitry Andric options::OPT_ginline_line_tables, false)) { 4101480093f4SDimitry Andric CmdArgs.push_back("-gno-inline-line-tables"); 4102480093f4SDimitry Andric } 4103480093f4SDimitry Andric 4104480093f4SDimitry Andric // When emitting remarks, we need at least debug lines in the output. 4105480093f4SDimitry Andric if (willEmitRemarks(Args) && 4106480093f4SDimitry Andric DebugInfoKind <= codegenoptions::DebugDirectivesOnly) 4107480093f4SDimitry Andric DebugInfoKind = codegenoptions::DebugLineTablesOnly; 4108480093f4SDimitry Andric 4109e8d8bef9SDimitry Andric // Adjust the debug info kind for the given toolchain. 4110e8d8bef9SDimitry Andric TC.adjustDebugInfoKind(DebugInfoKind, Args); 4111e8d8bef9SDimitry Andric 4112e8d8bef9SDimitry Andric RenderDebugEnablingArgs(Args, CmdArgs, DebugInfoKind, EffectiveDWARFVersion, 41130b57cec5SDimitry Andric DebuggerTuning); 41140b57cec5SDimitry Andric 41150b57cec5SDimitry Andric // -fdebug-macro turns on macro debug info generation. 41160b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fdebug_macro, options::OPT_fno_debug_macro, 41170b57cec5SDimitry Andric false)) 41180b57cec5SDimitry Andric if (checkDebugInfoOption(Args.getLastArg(options::OPT_fdebug_macro), Args, 41190b57cec5SDimitry Andric D, TC)) 41200b57cec5SDimitry Andric CmdArgs.push_back("-debug-info-macro"); 41210b57cec5SDimitry Andric 41220b57cec5SDimitry Andric // -ggnu-pubnames turns on gnu style pubnames in the backend. 41230b57cec5SDimitry Andric const auto *PubnamesArg = 41240b57cec5SDimitry Andric Args.getLastArg(options::OPT_ggnu_pubnames, options::OPT_gno_gnu_pubnames, 41250b57cec5SDimitry Andric options::OPT_gpubnames, options::OPT_gno_pubnames); 41260b57cec5SDimitry Andric if (DwarfFission != DwarfFissionKind::None || 41270b57cec5SDimitry Andric (PubnamesArg && checkDebugInfoOption(PubnamesArg, Args, D, TC))) 41280b57cec5SDimitry Andric if (!PubnamesArg || 41290b57cec5SDimitry Andric (!PubnamesArg->getOption().matches(options::OPT_gno_gnu_pubnames) && 41300b57cec5SDimitry Andric !PubnamesArg->getOption().matches(options::OPT_gno_pubnames))) 41310b57cec5SDimitry Andric CmdArgs.push_back(PubnamesArg && PubnamesArg->getOption().matches( 41320b57cec5SDimitry Andric options::OPT_gpubnames) 41330b57cec5SDimitry Andric ? "-gpubnames" 41340b57cec5SDimitry Andric : "-ggnu-pubnames"); 41350b57cec5SDimitry Andric 41360b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fdebug_ranges_base_address, 41370b57cec5SDimitry Andric options::OPT_fno_debug_ranges_base_address, false)) { 41380b57cec5SDimitry Andric CmdArgs.push_back("-fdebug-ranges-base-address"); 41390b57cec5SDimitry Andric } 41400b57cec5SDimitry Andric 41410b57cec5SDimitry Andric // -gdwarf-aranges turns on the emission of the aranges section in the 41420b57cec5SDimitry Andric // backend. 41430b57cec5SDimitry Andric // Always enabled for SCE tuning. 41440b57cec5SDimitry Andric bool NeedAranges = DebuggerTuning == llvm::DebuggerKind::SCE; 41450b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_gdwarf_aranges)) 41460b57cec5SDimitry Andric NeedAranges = checkDebugInfoOption(A, Args, D, TC) || NeedAranges; 41470b57cec5SDimitry Andric if (NeedAranges) { 41480b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 41490b57cec5SDimitry Andric CmdArgs.push_back("-generate-arange-section"); 41500b57cec5SDimitry Andric } 41510b57cec5SDimitry Andric 4152480093f4SDimitry Andric if (Args.hasFlag(options::OPT_fforce_dwarf_frame, 4153480093f4SDimitry Andric options::OPT_fno_force_dwarf_frame, false)) 4154480093f4SDimitry Andric CmdArgs.push_back("-fforce-dwarf-frame"); 4155480093f4SDimitry Andric 41560b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fdebug_types_section, 41570b57cec5SDimitry Andric options::OPT_fno_debug_types_section, false)) { 4158e8d8bef9SDimitry Andric if (!(T.isOSBinFormatELF() || T.isOSBinFormatWasm())) { 41590b57cec5SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 41600b57cec5SDimitry Andric << Args.getLastArg(options::OPT_fdebug_types_section) 41610b57cec5SDimitry Andric ->getAsString(Args) 41620b57cec5SDimitry Andric << T.getTriple(); 41630b57cec5SDimitry Andric } else if (checkDebugInfoOption( 41640b57cec5SDimitry Andric Args.getLastArg(options::OPT_fdebug_types_section), Args, D, 41650b57cec5SDimitry Andric TC)) { 41660b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 41670b57cec5SDimitry Andric CmdArgs.push_back("-generate-type-units"); 41680b57cec5SDimitry Andric } 41690b57cec5SDimitry Andric } 41700b57cec5SDimitry Andric 4171fe6060f1SDimitry Andric // To avoid join/split of directory+filename, the integrated assembler prefers 4172fe6060f1SDimitry Andric // the directory form of .file on all DWARF versions. GNU as doesn't allow the 4173fe6060f1SDimitry Andric // form before DWARF v5. 4174fe6060f1SDimitry Andric if (!Args.hasFlag(options::OPT_fdwarf_directory_asm, 4175fe6060f1SDimitry Andric options::OPT_fno_dwarf_directory_asm, 4176fe6060f1SDimitry Andric TC.useIntegratedAs() || EffectiveDWARFVersion >= 5)) 4177fe6060f1SDimitry Andric CmdArgs.push_back("-fno-dwarf-directory-asm"); 4178fe6060f1SDimitry Andric 41790b57cec5SDimitry Andric // Decide how to render forward declarations of template instantiations. 41800b57cec5SDimitry Andric // SCE wants full descriptions, others just get them in the name. 41810b57cec5SDimitry Andric if (DebuggerTuning == llvm::DebuggerKind::SCE) 41820b57cec5SDimitry Andric CmdArgs.push_back("-debug-forward-template-params"); 41830b57cec5SDimitry Andric 41840b57cec5SDimitry Andric // Do we need to explicitly import anonymous namespaces into the parent 41850b57cec5SDimitry Andric // scope? 41860b57cec5SDimitry Andric if (DebuggerTuning == llvm::DebuggerKind::SCE) 41870b57cec5SDimitry Andric CmdArgs.push_back("-dwarf-explicit-import"); 41880b57cec5SDimitry Andric 4189fe6060f1SDimitry Andric renderDwarfFormat(D, T, Args, CmdArgs, EffectiveDWARFVersion); 41900b57cec5SDimitry Andric RenderDebugInfoCompressionArgs(Args, CmdArgs, D, TC); 41910b57cec5SDimitry Andric } 41920b57cec5SDimitry Andric 41930b57cec5SDimitry Andric void Clang::ConstructJob(Compilation &C, const JobAction &JA, 41940b57cec5SDimitry Andric const InputInfo &Output, const InputInfoList &Inputs, 41950b57cec5SDimitry Andric const ArgList &Args, const char *LinkingOutput) const { 41960b57cec5SDimitry Andric const auto &TC = getToolChain(); 41970b57cec5SDimitry Andric const llvm::Triple &RawTriple = TC.getTriple(); 41980b57cec5SDimitry Andric const llvm::Triple &Triple = TC.getEffectiveTriple(); 41990b57cec5SDimitry Andric const std::string &TripleStr = Triple.getTriple(); 42000b57cec5SDimitry Andric 42010b57cec5SDimitry Andric bool KernelOrKext = 42020b57cec5SDimitry Andric Args.hasArg(options::OPT_mkernel, options::OPT_fapple_kext); 42030b57cec5SDimitry Andric const Driver &D = TC.getDriver(); 42040b57cec5SDimitry Andric ArgStringList CmdArgs; 42050b57cec5SDimitry Andric 42060b57cec5SDimitry Andric // Check number of inputs for sanity. We need at least one input. 42070b57cec5SDimitry Andric assert(Inputs.size() >= 1 && "Must have at least one input."); 42080b57cec5SDimitry Andric // CUDA/HIP compilation may have multiple inputs (source file + results of 42090b57cec5SDimitry Andric // device-side compilations). OpenMP device jobs also take the host IR as a 42100b57cec5SDimitry Andric // second input. Module precompilation accepts a list of header files to 42110b57cec5SDimitry Andric // include as part of the module. All other jobs are expected to have exactly 42120b57cec5SDimitry Andric // one input. 42130b57cec5SDimitry Andric bool IsCuda = JA.isOffloading(Action::OFK_Cuda); 4214fe6060f1SDimitry Andric bool IsCudaDevice = JA.isDeviceOffloading(Action::OFK_Cuda); 42150b57cec5SDimitry Andric bool IsHIP = JA.isOffloading(Action::OFK_HIP); 4216fe6060f1SDimitry Andric bool IsHIPDevice = JA.isDeviceOffloading(Action::OFK_HIP); 42170b57cec5SDimitry Andric bool IsOpenMPDevice = JA.isDeviceOffloading(Action::OFK_OpenMP); 42180b57cec5SDimitry Andric bool IsHeaderModulePrecompile = isa<HeaderModulePrecompileJobAction>(JA); 4219fe6060f1SDimitry Andric bool IsDeviceOffloadAction = !(JA.isDeviceOffloading(Action::OFK_None) || 4220fe6060f1SDimitry Andric JA.isDeviceOffloading(Action::OFK_Host)); 4221fe6060f1SDimitry Andric bool IsUsingLTO = D.isUsingLTO(IsDeviceOffloadAction); 4222fe6060f1SDimitry Andric auto LTOMode = D.getLTOMode(IsDeviceOffloadAction); 42230b57cec5SDimitry Andric 42240b57cec5SDimitry Andric // A header module compilation doesn't have a main input file, so invent a 42250b57cec5SDimitry Andric // fake one as a placeholder. 42260b57cec5SDimitry Andric const char *ModuleName = [&]{ 42270b57cec5SDimitry Andric auto *ModuleNameArg = Args.getLastArg(options::OPT_fmodule_name_EQ); 42280b57cec5SDimitry Andric return ModuleNameArg ? ModuleNameArg->getValue() : ""; 42290b57cec5SDimitry Andric }(); 42300b57cec5SDimitry Andric InputInfo HeaderModuleInput(Inputs[0].getType(), ModuleName, ModuleName); 42310b57cec5SDimitry Andric 42320b57cec5SDimitry Andric const InputInfo &Input = 42330b57cec5SDimitry Andric IsHeaderModulePrecompile ? HeaderModuleInput : Inputs[0]; 42340b57cec5SDimitry Andric 42350b57cec5SDimitry Andric InputInfoList ModuleHeaderInputs; 42360b57cec5SDimitry Andric const InputInfo *CudaDeviceInput = nullptr; 42370b57cec5SDimitry Andric const InputInfo *OpenMPDeviceInput = nullptr; 42380b57cec5SDimitry Andric for (const InputInfo &I : Inputs) { 42390b57cec5SDimitry Andric if (&I == &Input) { 42400b57cec5SDimitry Andric // This is the primary input. 42410b57cec5SDimitry Andric } else if (IsHeaderModulePrecompile && 42420b57cec5SDimitry Andric types::getPrecompiledType(I.getType()) == types::TY_PCH) { 42430b57cec5SDimitry Andric types::ID Expected = HeaderModuleInput.getType(); 42440b57cec5SDimitry Andric if (I.getType() != Expected) { 42450b57cec5SDimitry Andric D.Diag(diag::err_drv_module_header_wrong_kind) 42460b57cec5SDimitry Andric << I.getFilename() << types::getTypeName(I.getType()) 42470b57cec5SDimitry Andric << types::getTypeName(Expected); 42480b57cec5SDimitry Andric } 42490b57cec5SDimitry Andric ModuleHeaderInputs.push_back(I); 42500b57cec5SDimitry Andric } else if ((IsCuda || IsHIP) && !CudaDeviceInput) { 42510b57cec5SDimitry Andric CudaDeviceInput = &I; 42520b57cec5SDimitry Andric } else if (IsOpenMPDevice && !OpenMPDeviceInput) { 42530b57cec5SDimitry Andric OpenMPDeviceInput = &I; 42540b57cec5SDimitry Andric } else { 42550b57cec5SDimitry Andric llvm_unreachable("unexpectedly given multiple inputs"); 42560b57cec5SDimitry Andric } 42570b57cec5SDimitry Andric } 42580b57cec5SDimitry Andric 42595ffd83dbSDimitry Andric const llvm::Triple *AuxTriple = 42605ffd83dbSDimitry Andric (IsCuda || IsHIP) ? TC.getAuxTriple() : nullptr; 42610b57cec5SDimitry Andric bool IsWindowsMSVC = RawTriple.isWindowsMSVCEnvironment(); 42620b57cec5SDimitry Andric bool IsIAMCU = RawTriple.isOSIAMCU(); 42630b57cec5SDimitry Andric 42640b57cec5SDimitry Andric // Adjust IsWindowsXYZ for CUDA/HIP compilations. Even when compiling in 42650b57cec5SDimitry Andric // device mode (i.e., getToolchain().getTriple() is NVPTX/AMDGCN, not 42660b57cec5SDimitry Andric // Windows), we need to pass Windows-specific flags to cc1. 42670b57cec5SDimitry Andric if (IsCuda || IsHIP) 42680b57cec5SDimitry Andric IsWindowsMSVC |= AuxTriple && AuxTriple->isWindowsMSVCEnvironment(); 42690b57cec5SDimitry Andric 42700b57cec5SDimitry Andric // C++ is not supported for IAMCU. 42710b57cec5SDimitry Andric if (IsIAMCU && types::isCXX(Input.getType())) 42720b57cec5SDimitry Andric D.Diag(diag::err_drv_clang_unsupported) << "C++ for IAMCU"; 42730b57cec5SDimitry Andric 42740b57cec5SDimitry Andric // Invoke ourselves in -cc1 mode. 42750b57cec5SDimitry Andric // 42760b57cec5SDimitry Andric // FIXME: Implement custom jobs for internal actions. 42770b57cec5SDimitry Andric CmdArgs.push_back("-cc1"); 42780b57cec5SDimitry Andric 42790b57cec5SDimitry Andric // Add the "effective" target triple. 42800b57cec5SDimitry Andric CmdArgs.push_back("-triple"); 42810b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(TripleStr)); 42820b57cec5SDimitry Andric 42830b57cec5SDimitry Andric if (const Arg *MJ = Args.getLastArg(options::OPT_MJ)) { 42840b57cec5SDimitry Andric DumpCompilationDatabase(C, MJ->getValue(), TripleStr, Output, Input, Args); 42850b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_MJ); 4286a7dea167SDimitry Andric } else if (const Arg *GenCDBFragment = 4287a7dea167SDimitry Andric Args.getLastArg(options::OPT_gen_cdb_fragment_path)) { 4288a7dea167SDimitry Andric DumpCompilationDatabaseFragmentToDir(GenCDBFragment->getValue(), C, 4289a7dea167SDimitry Andric TripleStr, Output, Input, Args); 4290a7dea167SDimitry Andric Args.ClaimAllArgs(options::OPT_gen_cdb_fragment_path); 42910b57cec5SDimitry Andric } 42920b57cec5SDimitry Andric 42930b57cec5SDimitry Andric if (IsCuda || IsHIP) { 42940b57cec5SDimitry Andric // We have to pass the triple of the host if compiling for a CUDA/HIP device 42950b57cec5SDimitry Andric // and vice-versa. 42960b57cec5SDimitry Andric std::string NormalizedTriple; 42970b57cec5SDimitry Andric if (JA.isDeviceOffloading(Action::OFK_Cuda) || 42980b57cec5SDimitry Andric JA.isDeviceOffloading(Action::OFK_HIP)) 42990b57cec5SDimitry Andric NormalizedTriple = C.getSingleOffloadToolChain<Action::OFK_Host>() 43000b57cec5SDimitry Andric ->getTriple() 43010b57cec5SDimitry Andric .normalize(); 43020b57cec5SDimitry Andric else { 43030b57cec5SDimitry Andric // Host-side compilation. 43040b57cec5SDimitry Andric NormalizedTriple = 43050b57cec5SDimitry Andric (IsCuda ? C.getSingleOffloadToolChain<Action::OFK_Cuda>() 43060b57cec5SDimitry Andric : C.getSingleOffloadToolChain<Action::OFK_HIP>()) 43070b57cec5SDimitry Andric ->getTriple() 43080b57cec5SDimitry Andric .normalize(); 43090b57cec5SDimitry Andric if (IsCuda) { 43100b57cec5SDimitry Andric // We need to figure out which CUDA version we're compiling for, as that 43110b57cec5SDimitry Andric // determines how we load and launch GPU kernels. 43120b57cec5SDimitry Andric auto *CTC = static_cast<const toolchains::CudaToolChain *>( 43130b57cec5SDimitry Andric C.getSingleOffloadToolChain<Action::OFK_Cuda>()); 43140b57cec5SDimitry Andric assert(CTC && "Expected valid CUDA Toolchain."); 43150b57cec5SDimitry Andric if (CTC && CTC->CudaInstallation.version() != CudaVersion::UNKNOWN) 43160b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString( 43170b57cec5SDimitry Andric Twine("-target-sdk-version=") + 43180b57cec5SDimitry Andric CudaVersionToString(CTC->CudaInstallation.version()))); 43190b57cec5SDimitry Andric } 43200b57cec5SDimitry Andric } 43210b57cec5SDimitry Andric CmdArgs.push_back("-aux-triple"); 43220b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(NormalizedTriple)); 43230b57cec5SDimitry Andric } 43240b57cec5SDimitry Andric 43255ffd83dbSDimitry Andric if (Args.hasFlag(options::OPT_fsycl, options::OPT_fno_sycl, false)) { 43265ffd83dbSDimitry Andric CmdArgs.push_back("-fsycl-is-device"); 43275ffd83dbSDimitry Andric 43285ffd83dbSDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_sycl_std_EQ)) { 43295ffd83dbSDimitry Andric A->render(Args, CmdArgs); 43305ffd83dbSDimitry Andric } else { 4331fe6060f1SDimitry Andric // Ensure the default version in SYCL mode is 2020. 4332fe6060f1SDimitry Andric CmdArgs.push_back("-sycl-std=2020"); 43335ffd83dbSDimitry Andric } 43345ffd83dbSDimitry Andric } 43355ffd83dbSDimitry Andric 43360b57cec5SDimitry Andric if (IsOpenMPDevice) { 43370b57cec5SDimitry Andric // We have to pass the triple of the host if compiling for an OpenMP device. 43380b57cec5SDimitry Andric std::string NormalizedTriple = 43390b57cec5SDimitry Andric C.getSingleOffloadToolChain<Action::OFK_Host>() 43400b57cec5SDimitry Andric ->getTriple() 43410b57cec5SDimitry Andric .normalize(); 43420b57cec5SDimitry Andric CmdArgs.push_back("-aux-triple"); 43430b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(NormalizedTriple)); 43440b57cec5SDimitry Andric } 43450b57cec5SDimitry Andric 43460b57cec5SDimitry Andric if (Triple.isOSWindows() && (Triple.getArch() == llvm::Triple::arm || 43470b57cec5SDimitry Andric Triple.getArch() == llvm::Triple::thumb)) { 43480b57cec5SDimitry Andric unsigned Offset = Triple.getArch() == llvm::Triple::arm ? 4 : 6; 43495ffd83dbSDimitry Andric unsigned Version = 0; 43505ffd83dbSDimitry Andric bool Failure = 43515ffd83dbSDimitry Andric Triple.getArchName().substr(Offset).consumeInteger(10, Version); 43525ffd83dbSDimitry Andric if (Failure || Version < 7) 43530b57cec5SDimitry Andric D.Diag(diag::err_target_unsupported_arch) << Triple.getArchName() 43540b57cec5SDimitry Andric << TripleStr; 43550b57cec5SDimitry Andric } 43560b57cec5SDimitry Andric 43570b57cec5SDimitry Andric // Push all default warning arguments that are specific to 43580b57cec5SDimitry Andric // the given target. These come before user provided warning options 43590b57cec5SDimitry Andric // are provided. 43600b57cec5SDimitry Andric TC.addClangWarningOptions(CmdArgs); 43610b57cec5SDimitry Andric 4362fe6060f1SDimitry Andric // FIXME: Subclass ToolChain for SPIR and move this to addClangWarningOptions. 4363fe6060f1SDimitry Andric if (Triple.isSPIR()) 4364fe6060f1SDimitry Andric CmdArgs.push_back("-Wspir-compat"); 4365fe6060f1SDimitry Andric 43660b57cec5SDimitry Andric // Select the appropriate action. 43670b57cec5SDimitry Andric RewriteKind rewriteKind = RK_None; 43680b57cec5SDimitry Andric 4369a7dea167SDimitry Andric // If CollectArgsForIntegratedAssembler() isn't called below, claim the args 4370a7dea167SDimitry Andric // it claims when not running an assembler. Otherwise, clang would emit 4371a7dea167SDimitry Andric // "argument unused" warnings for assembler flags when e.g. adding "-E" to 4372a7dea167SDimitry Andric // flags while debugging something. That'd be somewhat inconvenient, and it's 4373a7dea167SDimitry Andric // also inconsistent with most other flags -- we don't warn on 4374a7dea167SDimitry Andric // -ffunction-sections not being used in -E mode either for example, even 4375a7dea167SDimitry Andric // though it's not really used either. 4376a7dea167SDimitry Andric if (!isa<AssembleJobAction>(JA)) { 4377a7dea167SDimitry Andric // The args claimed here should match the args used in 4378a7dea167SDimitry Andric // CollectArgsForIntegratedAssembler(). 4379a7dea167SDimitry Andric if (TC.useIntegratedAs()) { 4380a7dea167SDimitry Andric Args.ClaimAllArgs(options::OPT_mrelax_all); 4381a7dea167SDimitry Andric Args.ClaimAllArgs(options::OPT_mno_relax_all); 4382a7dea167SDimitry Andric Args.ClaimAllArgs(options::OPT_mincremental_linker_compatible); 4383a7dea167SDimitry Andric Args.ClaimAllArgs(options::OPT_mno_incremental_linker_compatible); 4384a7dea167SDimitry Andric switch (C.getDefaultToolChain().getArch()) { 4385a7dea167SDimitry Andric case llvm::Triple::arm: 4386a7dea167SDimitry Andric case llvm::Triple::armeb: 4387a7dea167SDimitry Andric case llvm::Triple::thumb: 4388a7dea167SDimitry Andric case llvm::Triple::thumbeb: 4389a7dea167SDimitry Andric Args.ClaimAllArgs(options::OPT_mimplicit_it_EQ); 4390a7dea167SDimitry Andric break; 4391a7dea167SDimitry Andric default: 4392a7dea167SDimitry Andric break; 4393a7dea167SDimitry Andric } 4394a7dea167SDimitry Andric } 4395a7dea167SDimitry Andric Args.ClaimAllArgs(options::OPT_Wa_COMMA); 4396a7dea167SDimitry Andric Args.ClaimAllArgs(options::OPT_Xassembler); 4397a7dea167SDimitry Andric } 4398a7dea167SDimitry Andric 43990b57cec5SDimitry Andric if (isa<AnalyzeJobAction>(JA)) { 44000b57cec5SDimitry Andric assert(JA.getType() == types::TY_Plist && "Invalid output type."); 44010b57cec5SDimitry Andric CmdArgs.push_back("-analyze"); 44020b57cec5SDimitry Andric } else if (isa<MigrateJobAction>(JA)) { 44030b57cec5SDimitry Andric CmdArgs.push_back("-migrate"); 44040b57cec5SDimitry Andric } else if (isa<PreprocessJobAction>(JA)) { 44050b57cec5SDimitry Andric if (Output.getType() == types::TY_Dependencies) 44060b57cec5SDimitry Andric CmdArgs.push_back("-Eonly"); 44070b57cec5SDimitry Andric else { 44080b57cec5SDimitry Andric CmdArgs.push_back("-E"); 44090b57cec5SDimitry Andric if (Args.hasArg(options::OPT_rewrite_objc) && 44100b57cec5SDimitry Andric !Args.hasArg(options::OPT_g_Group)) 44110b57cec5SDimitry Andric CmdArgs.push_back("-P"); 44120b57cec5SDimitry Andric } 44130b57cec5SDimitry Andric } else if (isa<AssembleJobAction>(JA)) { 44140b57cec5SDimitry Andric CmdArgs.push_back("-emit-obj"); 44150b57cec5SDimitry Andric 44160b57cec5SDimitry Andric CollectArgsForIntegratedAssembler(C, Args, CmdArgs, D); 44170b57cec5SDimitry Andric 44180b57cec5SDimitry Andric // Also ignore explicit -force_cpusubtype_ALL option. 44190b57cec5SDimitry Andric (void)Args.hasArg(options::OPT_force__cpusubtype__ALL); 44200b57cec5SDimitry Andric } else if (isa<PrecompileJobAction>(JA)) { 44210b57cec5SDimitry Andric if (JA.getType() == types::TY_Nothing) 44220b57cec5SDimitry Andric CmdArgs.push_back("-fsyntax-only"); 44230b57cec5SDimitry Andric else if (JA.getType() == types::TY_ModuleFile) 44240b57cec5SDimitry Andric CmdArgs.push_back(IsHeaderModulePrecompile 44250b57cec5SDimitry Andric ? "-emit-header-module" 44260b57cec5SDimitry Andric : "-emit-module-interface"); 44270b57cec5SDimitry Andric else 44280b57cec5SDimitry Andric CmdArgs.push_back("-emit-pch"); 44290b57cec5SDimitry Andric } else if (isa<VerifyPCHJobAction>(JA)) { 44300b57cec5SDimitry Andric CmdArgs.push_back("-verify-pch"); 44310b57cec5SDimitry Andric } else { 44320b57cec5SDimitry Andric assert((isa<CompileJobAction>(JA) || isa<BackendJobAction>(JA)) && 44330b57cec5SDimitry Andric "Invalid action for clang tool."); 44340b57cec5SDimitry Andric if (JA.getType() == types::TY_Nothing) { 44350b57cec5SDimitry Andric CmdArgs.push_back("-fsyntax-only"); 44360b57cec5SDimitry Andric } else if (JA.getType() == types::TY_LLVM_IR || 44370b57cec5SDimitry Andric JA.getType() == types::TY_LTO_IR) { 44380b57cec5SDimitry Andric CmdArgs.push_back("-emit-llvm"); 44390b57cec5SDimitry Andric } else if (JA.getType() == types::TY_LLVM_BC || 44400b57cec5SDimitry Andric JA.getType() == types::TY_LTO_BC) { 4441fe6060f1SDimitry Andric // Emit textual llvm IR for AMDGPU offloading for -emit-llvm -S 4442fe6060f1SDimitry Andric if (Triple.isAMDGCN() && IsOpenMPDevice && Args.hasArg(options::OPT_S) && 4443fe6060f1SDimitry Andric Args.hasArg(options::OPT_emit_llvm)) { 4444fe6060f1SDimitry Andric CmdArgs.push_back("-emit-llvm"); 4445fe6060f1SDimitry Andric } else { 44460b57cec5SDimitry Andric CmdArgs.push_back("-emit-llvm-bc"); 4447fe6060f1SDimitry Andric } 4448a7dea167SDimitry Andric } else if (JA.getType() == types::TY_IFS || 4449a7dea167SDimitry Andric JA.getType() == types::TY_IFS_CPP) { 4450a7dea167SDimitry Andric StringRef ArgStr = 4451a7dea167SDimitry Andric Args.hasArg(options::OPT_interface_stub_version_EQ) 4452a7dea167SDimitry Andric ? Args.getLastArgValue(options::OPT_interface_stub_version_EQ) 4453fe6060f1SDimitry Andric : "ifs-v1"; 44540b57cec5SDimitry Andric CmdArgs.push_back("-emit-interface-stubs"); 44550b57cec5SDimitry Andric CmdArgs.push_back( 4456a7dea167SDimitry Andric Args.MakeArgString(Twine("-interface-stub-version=") + ArgStr.str())); 44570b57cec5SDimitry Andric } else if (JA.getType() == types::TY_PP_Asm) { 44580b57cec5SDimitry Andric CmdArgs.push_back("-S"); 44590b57cec5SDimitry Andric } else if (JA.getType() == types::TY_AST) { 44600b57cec5SDimitry Andric CmdArgs.push_back("-emit-pch"); 44610b57cec5SDimitry Andric } else if (JA.getType() == types::TY_ModuleFile) { 44620b57cec5SDimitry Andric CmdArgs.push_back("-module-file-info"); 44630b57cec5SDimitry Andric } else if (JA.getType() == types::TY_RewrittenObjC) { 44640b57cec5SDimitry Andric CmdArgs.push_back("-rewrite-objc"); 44650b57cec5SDimitry Andric rewriteKind = RK_NonFragile; 44660b57cec5SDimitry Andric } else if (JA.getType() == types::TY_RewrittenLegacyObjC) { 44670b57cec5SDimitry Andric CmdArgs.push_back("-rewrite-objc"); 44680b57cec5SDimitry Andric rewriteKind = RK_Fragile; 44690b57cec5SDimitry Andric } else { 44700b57cec5SDimitry Andric assert(JA.getType() == types::TY_PP_Asm && "Unexpected output type!"); 44710b57cec5SDimitry Andric } 44720b57cec5SDimitry Andric 44730b57cec5SDimitry Andric // Preserve use-list order by default when emitting bitcode, so that 44740b57cec5SDimitry Andric // loading the bitcode up in 'opt' or 'llc' and running passes gives the 44750b57cec5SDimitry Andric // same result as running passes here. For LTO, we don't need to preserve 44760b57cec5SDimitry Andric // the use-list order, since serialization to bitcode is part of the flow. 44770b57cec5SDimitry Andric if (JA.getType() == types::TY_LLVM_BC) 44780b57cec5SDimitry Andric CmdArgs.push_back("-emit-llvm-uselists"); 44790b57cec5SDimitry Andric 4480fe6060f1SDimitry Andric if (IsUsingLTO) { 4481fe6060f1SDimitry Andric if (!IsDeviceOffloadAction) { 4482fe6060f1SDimitry Andric if (Args.hasArg(options::OPT_flto)) 4483fe6060f1SDimitry Andric CmdArgs.push_back("-flto"); 4484fe6060f1SDimitry Andric else { 4485fe6060f1SDimitry Andric if (D.getLTOMode() == LTOK_Thin) 4486fe6060f1SDimitry Andric CmdArgs.push_back("-flto=thin"); 4487fe6060f1SDimitry Andric else 4488fe6060f1SDimitry Andric CmdArgs.push_back("-flto=full"); 4489fe6060f1SDimitry Andric } 44900b57cec5SDimitry Andric CmdArgs.push_back("-flto-unit"); 4491fe6060f1SDimitry Andric } else if (Triple.isAMDGPU()) { 4492fe6060f1SDimitry Andric // Only AMDGPU supports device-side LTO 4493fe6060f1SDimitry Andric assert(LTOMode == LTOK_Full || LTOMode == LTOK_Thin); 4494fe6060f1SDimitry Andric CmdArgs.push_back(Args.MakeArgString( 4495fe6060f1SDimitry Andric Twine("-flto=") + (LTOMode == LTOK_Thin ? "thin" : "full"))); 4496fe6060f1SDimitry Andric CmdArgs.push_back("-flto-unit"); 4497fe6060f1SDimitry Andric } else { 4498fe6060f1SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 4499fe6060f1SDimitry Andric << Args.getLastArg(options::OPT_foffload_lto, 4500fe6060f1SDimitry Andric options::OPT_foffload_lto_EQ) 4501fe6060f1SDimitry Andric ->getAsString(Args) 4502fe6060f1SDimitry Andric << Triple.getTriple(); 4503fe6060f1SDimitry Andric } 45040b57cec5SDimitry Andric } 45050b57cec5SDimitry Andric } 45060b57cec5SDimitry Andric 45070b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_fthinlto_index_EQ)) { 45080b57cec5SDimitry Andric if (!types::isLLVMIR(Input.getType())) 45090b57cec5SDimitry Andric D.Diag(diag::err_drv_arg_requires_bitcode_input) << A->getAsString(Args); 45100b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fthinlto_index_EQ); 45110b57cec5SDimitry Andric } 45120b57cec5SDimitry Andric 4513480093f4SDimitry Andric if (Args.getLastArg(options::OPT_fthin_link_bitcode_EQ)) 4514480093f4SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fthin_link_bitcode_EQ); 4515480093f4SDimitry Andric 45160b57cec5SDimitry Andric if (Args.getLastArg(options::OPT_save_temps_EQ)) 45170b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_save_temps_EQ); 45180b57cec5SDimitry Andric 4519e8d8bef9SDimitry Andric auto *MemProfArg = Args.getLastArg(options::OPT_fmemory_profile, 4520e8d8bef9SDimitry Andric options::OPT_fmemory_profile_EQ, 4521e8d8bef9SDimitry Andric options::OPT_fno_memory_profile); 4522e8d8bef9SDimitry Andric if (MemProfArg && 4523e8d8bef9SDimitry Andric !MemProfArg->getOption().matches(options::OPT_fno_memory_profile)) 4524e8d8bef9SDimitry Andric MemProfArg->render(Args, CmdArgs); 4525e8d8bef9SDimitry Andric 45260b57cec5SDimitry Andric // Embed-bitcode option. 45270b57cec5SDimitry Andric // Only white-listed flags below are allowed to be embedded. 4528fe6060f1SDimitry Andric if (C.getDriver().embedBitcodeInObject() && !IsUsingLTO && 45290b57cec5SDimitry Andric (isa<BackendJobAction>(JA) || isa<AssembleJobAction>(JA))) { 45300b57cec5SDimitry Andric // Add flags implied by -fembed-bitcode. 45310b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fembed_bitcode_EQ); 45320b57cec5SDimitry Andric // Disable all llvm IR level optimizations. 45330b57cec5SDimitry Andric CmdArgs.push_back("-disable-llvm-passes"); 45340b57cec5SDimitry Andric 4535480093f4SDimitry Andric // Render target options. 45360b57cec5SDimitry Andric TC.addClangTargetOptions(Args, CmdArgs, JA.getOffloadingDeviceKind()); 45370b57cec5SDimitry Andric 45380b57cec5SDimitry Andric // reject options that shouldn't be supported in bitcode 45390b57cec5SDimitry Andric // also reject kernel/kext 45400b57cec5SDimitry Andric static const constexpr unsigned kBitcodeOptionBlacklist[] = { 45410b57cec5SDimitry Andric options::OPT_mkernel, 45420b57cec5SDimitry Andric options::OPT_fapple_kext, 45430b57cec5SDimitry Andric options::OPT_ffunction_sections, 45440b57cec5SDimitry Andric options::OPT_fno_function_sections, 45450b57cec5SDimitry Andric options::OPT_fdata_sections, 45460b57cec5SDimitry Andric options::OPT_fno_data_sections, 45475ffd83dbSDimitry Andric options::OPT_fbasic_block_sections_EQ, 45485ffd83dbSDimitry Andric options::OPT_funique_internal_linkage_names, 45495ffd83dbSDimitry Andric options::OPT_fno_unique_internal_linkage_names, 45500b57cec5SDimitry Andric options::OPT_funique_section_names, 45510b57cec5SDimitry Andric options::OPT_fno_unique_section_names, 45525ffd83dbSDimitry Andric options::OPT_funique_basic_block_section_names, 45535ffd83dbSDimitry Andric options::OPT_fno_unique_basic_block_section_names, 45540b57cec5SDimitry Andric options::OPT_mrestrict_it, 45550b57cec5SDimitry Andric options::OPT_mno_restrict_it, 45560b57cec5SDimitry Andric options::OPT_mstackrealign, 45570b57cec5SDimitry Andric options::OPT_mno_stackrealign, 45580b57cec5SDimitry Andric options::OPT_mstack_alignment, 45590b57cec5SDimitry Andric options::OPT_mcmodel_EQ, 45600b57cec5SDimitry Andric options::OPT_mlong_calls, 45610b57cec5SDimitry Andric options::OPT_mno_long_calls, 45620b57cec5SDimitry Andric options::OPT_ggnu_pubnames, 45630b57cec5SDimitry Andric options::OPT_gdwarf_aranges, 45640b57cec5SDimitry Andric options::OPT_fdebug_types_section, 45650b57cec5SDimitry Andric options::OPT_fno_debug_types_section, 45660b57cec5SDimitry Andric options::OPT_fdwarf_directory_asm, 45670b57cec5SDimitry Andric options::OPT_fno_dwarf_directory_asm, 45680b57cec5SDimitry Andric options::OPT_mrelax_all, 45690b57cec5SDimitry Andric options::OPT_mno_relax_all, 45700b57cec5SDimitry Andric options::OPT_ftrap_function_EQ, 45710b57cec5SDimitry Andric options::OPT_ffixed_r9, 45720b57cec5SDimitry Andric options::OPT_mfix_cortex_a53_835769, 45730b57cec5SDimitry Andric options::OPT_mno_fix_cortex_a53_835769, 45740b57cec5SDimitry Andric options::OPT_ffixed_x18, 45750b57cec5SDimitry Andric options::OPT_mglobal_merge, 45760b57cec5SDimitry Andric options::OPT_mno_global_merge, 45770b57cec5SDimitry Andric options::OPT_mred_zone, 45780b57cec5SDimitry Andric options::OPT_mno_red_zone, 45790b57cec5SDimitry Andric options::OPT_Wa_COMMA, 45800b57cec5SDimitry Andric options::OPT_Xassembler, 45810b57cec5SDimitry Andric options::OPT_mllvm, 45820b57cec5SDimitry Andric }; 45830b57cec5SDimitry Andric for (const auto &A : Args) 45840b57cec5SDimitry Andric if (llvm::find(kBitcodeOptionBlacklist, A->getOption().getID()) != 45850b57cec5SDimitry Andric std::end(kBitcodeOptionBlacklist)) 45860b57cec5SDimitry Andric D.Diag(diag::err_drv_unsupported_embed_bitcode) << A->getSpelling(); 45870b57cec5SDimitry Andric 45880b57cec5SDimitry Andric // Render the CodeGen options that need to be passed. 45890b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_foptimize_sibling_calls, 45900b57cec5SDimitry Andric options::OPT_fno_optimize_sibling_calls)) 45910b57cec5SDimitry Andric CmdArgs.push_back("-mdisable-tail-calls"); 45920b57cec5SDimitry Andric 45930b57cec5SDimitry Andric RenderFloatingPointOptions(TC, D, isOptimizationLevelFast(Args), Args, 45945ffd83dbSDimitry Andric CmdArgs, JA); 45950b57cec5SDimitry Andric 45960b57cec5SDimitry Andric // Render ABI arguments 45970b57cec5SDimitry Andric switch (TC.getArch()) { 45980b57cec5SDimitry Andric default: break; 45990b57cec5SDimitry Andric case llvm::Triple::arm: 46000b57cec5SDimitry Andric case llvm::Triple::armeb: 46010b57cec5SDimitry Andric case llvm::Triple::thumbeb: 46020b57cec5SDimitry Andric RenderARMABI(Triple, Args, CmdArgs); 46030b57cec5SDimitry Andric break; 46040b57cec5SDimitry Andric case llvm::Triple::aarch64: 4605480093f4SDimitry Andric case llvm::Triple::aarch64_32: 46060b57cec5SDimitry Andric case llvm::Triple::aarch64_be: 46070b57cec5SDimitry Andric RenderAArch64ABI(Triple, Args, CmdArgs); 46080b57cec5SDimitry Andric break; 46090b57cec5SDimitry Andric } 46100b57cec5SDimitry Andric 46110b57cec5SDimitry Andric // Optimization level for CodeGen. 46120b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_O_Group)) { 46130b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_O4)) { 46140b57cec5SDimitry Andric CmdArgs.push_back("-O3"); 46150b57cec5SDimitry Andric D.Diag(diag::warn_O4_is_O3); 46160b57cec5SDimitry Andric } else { 46170b57cec5SDimitry Andric A->render(Args, CmdArgs); 46180b57cec5SDimitry Andric } 46190b57cec5SDimitry Andric } 46200b57cec5SDimitry Andric 46210b57cec5SDimitry Andric // Input/Output file. 46220b57cec5SDimitry Andric if (Output.getType() == types::TY_Dependencies) { 46230b57cec5SDimitry Andric // Handled with other dependency code. 46240b57cec5SDimitry Andric } else if (Output.isFilename()) { 46250b57cec5SDimitry Andric CmdArgs.push_back("-o"); 46260b57cec5SDimitry Andric CmdArgs.push_back(Output.getFilename()); 46270b57cec5SDimitry Andric } else { 46280b57cec5SDimitry Andric assert(Output.isNothing() && "Input output."); 46290b57cec5SDimitry Andric } 46300b57cec5SDimitry Andric 46310b57cec5SDimitry Andric for (const auto &II : Inputs) { 46320b57cec5SDimitry Andric addDashXForInput(Args, II, CmdArgs); 46330b57cec5SDimitry Andric if (II.isFilename()) 46340b57cec5SDimitry Andric CmdArgs.push_back(II.getFilename()); 46350b57cec5SDimitry Andric else 46360b57cec5SDimitry Andric II.getInputArg().renderAsInput(Args, CmdArgs); 46370b57cec5SDimitry Andric } 46380b57cec5SDimitry Andric 4639e8d8bef9SDimitry Andric C.addCommand(std::make_unique<Command>( 4640e8d8bef9SDimitry Andric JA, *this, ResponseFileSupport::AtFileUTF8(), D.getClangProgramPath(), 4641e8d8bef9SDimitry Andric CmdArgs, Inputs, Output)); 46420b57cec5SDimitry Andric return; 46430b57cec5SDimitry Andric } 46440b57cec5SDimitry Andric 4645fe6060f1SDimitry Andric if (C.getDriver().embedBitcodeMarkerOnly() && !IsUsingLTO) 46460b57cec5SDimitry Andric CmdArgs.push_back("-fembed-bitcode=marker"); 46470b57cec5SDimitry Andric 46480b57cec5SDimitry Andric // We normally speed up the clang process a bit by skipping destructors at 46490b57cec5SDimitry Andric // exit, but when we're generating diagnostics we can rely on some of the 46500b57cec5SDimitry Andric // cleanup. 46510b57cec5SDimitry Andric if (!C.isForDiagnostics()) 46520b57cec5SDimitry Andric CmdArgs.push_back("-disable-free"); 46530b57cec5SDimitry Andric 46540b57cec5SDimitry Andric #ifdef NDEBUG 46550b57cec5SDimitry Andric const bool IsAssertBuild = false; 46560b57cec5SDimitry Andric #else 46570b57cec5SDimitry Andric const bool IsAssertBuild = true; 46580b57cec5SDimitry Andric #endif 46590b57cec5SDimitry Andric 46600b57cec5SDimitry Andric // Disable the verification pass in -asserts builds. 46610b57cec5SDimitry Andric if (!IsAssertBuild) 46620b57cec5SDimitry Andric CmdArgs.push_back("-disable-llvm-verifier"); 46630b57cec5SDimitry Andric 46640b57cec5SDimitry Andric // Discard value names in assert builds unless otherwise specified. 46650b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fdiscard_value_names, 466647395794SDimitry Andric options::OPT_fno_discard_value_names, !IsAssertBuild)) { 466747395794SDimitry Andric if (Args.hasArg(options::OPT_fdiscard_value_names) && 466847395794SDimitry Andric (std::any_of(Inputs.begin(), Inputs.end(), 466947395794SDimitry Andric [](const clang::driver::InputInfo &II) { 467047395794SDimitry Andric return types::isLLVMIR(II.getType()); 467147395794SDimitry Andric }))) { 467247395794SDimitry Andric D.Diag(diag::warn_ignoring_fdiscard_for_bitcode); 467347395794SDimitry Andric } 46740b57cec5SDimitry Andric CmdArgs.push_back("-discard-value-names"); 467547395794SDimitry Andric } 46760b57cec5SDimitry Andric 46770b57cec5SDimitry Andric // Set the main file name, so that debug info works even with 46780b57cec5SDimitry Andric // -save-temps. 46790b57cec5SDimitry Andric CmdArgs.push_back("-main-file-name"); 46800b57cec5SDimitry Andric CmdArgs.push_back(getBaseInputName(Args, Input)); 46810b57cec5SDimitry Andric 46820b57cec5SDimitry Andric // Some flags which affect the language (via preprocessor 46830b57cec5SDimitry Andric // defines). 46840b57cec5SDimitry Andric if (Args.hasArg(options::OPT_static)) 46850b57cec5SDimitry Andric CmdArgs.push_back("-static-define"); 46860b57cec5SDimitry Andric 46870b57cec5SDimitry Andric if (Args.hasArg(options::OPT_municode)) 46880b57cec5SDimitry Andric CmdArgs.push_back("-DUNICODE"); 46890b57cec5SDimitry Andric 46900b57cec5SDimitry Andric if (isa<AnalyzeJobAction>(JA)) 46910b57cec5SDimitry Andric RenderAnalyzerOptions(Args, CmdArgs, Triple, Input); 46920b57cec5SDimitry Andric 4693a7dea167SDimitry Andric if (isa<AnalyzeJobAction>(JA) || 4694a7dea167SDimitry Andric (isa<PreprocessJobAction>(JA) && Args.hasArg(options::OPT__analyze))) 4695a7dea167SDimitry Andric CmdArgs.push_back("-setup-static-analyzer"); 4696a7dea167SDimitry Andric 46970b57cec5SDimitry Andric // Enable compatilibily mode to avoid analyzer-config related errors. 46980b57cec5SDimitry Andric // Since we can't access frontend flags through hasArg, let's manually iterate 46990b57cec5SDimitry Andric // through them. 47000b57cec5SDimitry Andric bool FoundAnalyzerConfig = false; 47010b57cec5SDimitry Andric for (auto Arg : Args.filtered(options::OPT_Xclang)) 47020b57cec5SDimitry Andric if (StringRef(Arg->getValue()) == "-analyzer-config") { 47030b57cec5SDimitry Andric FoundAnalyzerConfig = true; 47040b57cec5SDimitry Andric break; 47050b57cec5SDimitry Andric } 47060b57cec5SDimitry Andric if (!FoundAnalyzerConfig) 47070b57cec5SDimitry Andric for (auto Arg : Args.filtered(options::OPT_Xanalyzer)) 47080b57cec5SDimitry Andric if (StringRef(Arg->getValue()) == "-analyzer-config") { 47090b57cec5SDimitry Andric FoundAnalyzerConfig = true; 47100b57cec5SDimitry Andric break; 47110b57cec5SDimitry Andric } 47120b57cec5SDimitry Andric if (FoundAnalyzerConfig) 47130b57cec5SDimitry Andric CmdArgs.push_back("-analyzer-config-compatibility-mode=true"); 47140b57cec5SDimitry Andric 47150b57cec5SDimitry Andric CheckCodeGenerationOptions(D, Args); 47160b57cec5SDimitry Andric 47170b57cec5SDimitry Andric unsigned FunctionAlignment = ParseFunctionAlignment(TC, Args); 47180b57cec5SDimitry Andric assert(FunctionAlignment <= 31 && "function alignment will be truncated!"); 47190b57cec5SDimitry Andric if (FunctionAlignment) { 47200b57cec5SDimitry Andric CmdArgs.push_back("-function-alignment"); 47210b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(std::to_string(FunctionAlignment))); 47220b57cec5SDimitry Andric } 47230b57cec5SDimitry Andric 47240b57cec5SDimitry Andric llvm::Reloc::Model RelocationModel; 47250b57cec5SDimitry Andric unsigned PICLevel; 47260b57cec5SDimitry Andric bool IsPIE; 47270b57cec5SDimitry Andric std::tie(RelocationModel, PICLevel, IsPIE) = ParsePICArgs(TC, Args); 47280b57cec5SDimitry Andric 47295ffd83dbSDimitry Andric bool IsROPI = RelocationModel == llvm::Reloc::ROPI || 47305ffd83dbSDimitry Andric RelocationModel == llvm::Reloc::ROPI_RWPI; 47315ffd83dbSDimitry Andric bool IsRWPI = RelocationModel == llvm::Reloc::RWPI || 47325ffd83dbSDimitry Andric RelocationModel == llvm::Reloc::ROPI_RWPI; 47330b57cec5SDimitry Andric 47345ffd83dbSDimitry Andric if (Args.hasArg(options::OPT_mcmse) && 47355ffd83dbSDimitry Andric !Args.hasArg(options::OPT_fallow_unsupported)) { 47365ffd83dbSDimitry Andric if (IsROPI) 47375ffd83dbSDimitry Andric D.Diag(diag::err_cmse_pi_are_incompatible) << IsROPI; 47385ffd83dbSDimitry Andric if (IsRWPI) 47395ffd83dbSDimitry Andric D.Diag(diag::err_cmse_pi_are_incompatible) << !IsRWPI; 47405ffd83dbSDimitry Andric } 47415ffd83dbSDimitry Andric 47425ffd83dbSDimitry Andric if (IsROPI && types::isCXX(Input.getType()) && 47430b57cec5SDimitry Andric !Args.hasArg(options::OPT_fallow_unsupported)) 47440b57cec5SDimitry Andric D.Diag(diag::err_drv_ropi_incompatible_with_cxx); 47450b57cec5SDimitry Andric 47465ffd83dbSDimitry Andric const char *RMName = RelocationModelName(RelocationModel); 47470b57cec5SDimitry Andric if (RMName) { 47480b57cec5SDimitry Andric CmdArgs.push_back("-mrelocation-model"); 47490b57cec5SDimitry Andric CmdArgs.push_back(RMName); 47500b57cec5SDimitry Andric } 47510b57cec5SDimitry Andric if (PICLevel > 0) { 47520b57cec5SDimitry Andric CmdArgs.push_back("-pic-level"); 47530b57cec5SDimitry Andric CmdArgs.push_back(PICLevel == 1 ? "1" : "2"); 47540b57cec5SDimitry Andric if (IsPIE) 47550b57cec5SDimitry Andric CmdArgs.push_back("-pic-is-pie"); 47560b57cec5SDimitry Andric } 47570b57cec5SDimitry Andric 47580b57cec5SDimitry Andric if (RelocationModel == llvm::Reloc::ROPI || 47590b57cec5SDimitry Andric RelocationModel == llvm::Reloc::ROPI_RWPI) 47600b57cec5SDimitry Andric CmdArgs.push_back("-fropi"); 47610b57cec5SDimitry Andric if (RelocationModel == llvm::Reloc::RWPI || 47620b57cec5SDimitry Andric RelocationModel == llvm::Reloc::ROPI_RWPI) 47630b57cec5SDimitry Andric CmdArgs.push_back("-frwpi"); 47640b57cec5SDimitry Andric 47650b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_meabi)) { 47660b57cec5SDimitry Andric CmdArgs.push_back("-meabi"); 47670b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 47680b57cec5SDimitry Andric } 47690b57cec5SDimitry Andric 4770e8d8bef9SDimitry Andric // -fsemantic-interposition is forwarded to CC1: set the 4771e8d8bef9SDimitry Andric // "SemanticInterposition" metadata to 1 (make some linkages interposable) and 4772e8d8bef9SDimitry Andric // make default visibility external linkage definitions dso_preemptable. 4773e8d8bef9SDimitry Andric // 4774e8d8bef9SDimitry Andric // -fno-semantic-interposition: if the target supports .Lfoo$local local 4775e8d8bef9SDimitry Andric // aliases (make default visibility external linkage definitions dso_local). 4776e8d8bef9SDimitry Andric // This is the CC1 default for ELF to match COFF/Mach-O. 4777e8d8bef9SDimitry Andric // 4778e8d8bef9SDimitry Andric // Otherwise use Clang's traditional behavior: like 4779e8d8bef9SDimitry Andric // -fno-semantic-interposition but local aliases are not used. So references 4780e8d8bef9SDimitry Andric // can be interposed if not optimized out. 4781e8d8bef9SDimitry Andric if (Triple.isOSBinFormatELF()) { 4782e8d8bef9SDimitry Andric Arg *A = Args.getLastArg(options::OPT_fsemantic_interposition, 4783e8d8bef9SDimitry Andric options::OPT_fno_semantic_interposition); 4784e8d8bef9SDimitry Andric if (RelocationModel != llvm::Reloc::Static && !IsPIE) { 4785e8d8bef9SDimitry Andric // The supported targets need to call AsmPrinter::getSymbolPreferLocal. 4786fe6060f1SDimitry Andric bool SupportsLocalAlias = 4787fe6060f1SDimitry Andric Triple.isAArch64() || Triple.isRISCV() || Triple.isX86(); 4788e8d8bef9SDimitry Andric if (!A) 4789e8d8bef9SDimitry Andric CmdArgs.push_back("-fhalf-no-semantic-interposition"); 4790e8d8bef9SDimitry Andric else if (A->getOption().matches(options::OPT_fsemantic_interposition)) 47915ffd83dbSDimitry Andric A->render(Args, CmdArgs); 4792e8d8bef9SDimitry Andric else if (!SupportsLocalAlias) 4793e8d8bef9SDimitry Andric CmdArgs.push_back("-fhalf-no-semantic-interposition"); 4794e8d8bef9SDimitry Andric } 4795e8d8bef9SDimitry Andric } 47965ffd83dbSDimitry Andric 47975ffd83dbSDimitry Andric { 47985ffd83dbSDimitry Andric std::string Model; 47990b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mthread_model)) { 48000b57cec5SDimitry Andric if (!TC.isThreadModelSupported(A->getValue())) 48010b57cec5SDimitry Andric D.Diag(diag::err_drv_invalid_thread_model_for_target) 48020b57cec5SDimitry Andric << A->getValue() << A->getAsString(Args); 48035ffd83dbSDimitry Andric Model = A->getValue(); 48045ffd83dbSDimitry Andric } else 48055ffd83dbSDimitry Andric Model = TC.getThreadModel(); 48065ffd83dbSDimitry Andric if (Model != "posix") { 48075ffd83dbSDimitry Andric CmdArgs.push_back("-mthread-model"); 48085ffd83dbSDimitry Andric CmdArgs.push_back(Args.MakeArgString(Model)); 48090b57cec5SDimitry Andric } 48105ffd83dbSDimitry Andric } 48110b57cec5SDimitry Andric 48120b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fveclib); 48130b57cec5SDimitry Andric 48140b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fmerge_all_constants, 48150b57cec5SDimitry Andric options::OPT_fno_merge_all_constants, false)) 48160b57cec5SDimitry Andric CmdArgs.push_back("-fmerge-all-constants"); 48170b57cec5SDimitry Andric 48180b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fno_delete_null_pointer_checks, 48190b57cec5SDimitry Andric options::OPT_fdelete_null_pointer_checks, false)) 48200b57cec5SDimitry Andric CmdArgs.push_back("-fno-delete-null-pointer-checks"); 48210b57cec5SDimitry Andric 48220b57cec5SDimitry Andric // LLVM Code Generator Options. 48230b57cec5SDimitry Andric 4824fe6060f1SDimitry Andric for (const Arg *A : Args.filtered(options::OPT_frewrite_map_file_EQ)) { 48250b57cec5SDimitry Andric StringRef Map = A->getValue(); 48260b57cec5SDimitry Andric if (!llvm::sys::fs::exists(Map)) { 48270b57cec5SDimitry Andric D.Diag(diag::err_drv_no_such_file) << Map; 48280b57cec5SDimitry Andric } else { 4829fe6060f1SDimitry Andric A->render(Args, CmdArgs); 48300b57cec5SDimitry Andric A->claim(); 48310b57cec5SDimitry Andric } 48320b57cec5SDimitry Andric } 48330b57cec5SDimitry Andric 4834e8d8bef9SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ_vec_extabi, 4835e8d8bef9SDimitry Andric options::OPT_mabi_EQ_vec_default)) { 4836e8d8bef9SDimitry Andric if (!Triple.isOSAIX()) 4837e8d8bef9SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 4838e8d8bef9SDimitry Andric << A->getSpelling() << RawTriple.str(); 4839d409305fSDimitry Andric if (A->getOption().getID() == options::OPT_mabi_EQ_vec_extabi) 4840d409305fSDimitry Andric CmdArgs.push_back("-mabi=vec-extabi"); 4841d409305fSDimitry Andric else 4842fe6060f1SDimitry Andric CmdArgs.push_back("-mabi=vec-default"); 4843fe6060f1SDimitry Andric } 4844fe6060f1SDimitry Andric 4845fe6060f1SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mlong_double_128)) { 4846fe6060f1SDimitry Andric // Emit the unsupported option error until the Clang's library integration 4847fe6060f1SDimitry Andric // support for 128-bit long double is available for AIX. 4848fe6060f1SDimitry Andric if (Triple.isOSAIX()) 4849fe6060f1SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 4850fe6060f1SDimitry Andric << A->getSpelling() << RawTriple.str(); 4851e8d8bef9SDimitry Andric } 4852e8d8bef9SDimitry Andric 48530b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_Wframe_larger_than_EQ)) { 48540b57cec5SDimitry Andric StringRef v = A->getValue(); 4855fe6060f1SDimitry Andric // FIXME: Validate the argument here so we don't produce meaningless errors 4856fe6060f1SDimitry Andric // about -fwarn-stack-size=. 4857fe6060f1SDimitry Andric if (v.empty()) 4858fe6060f1SDimitry Andric D.Diag(diag::err_drv_missing_argument) << A->getSpelling() << 1; 4859fe6060f1SDimitry Andric else 4860fe6060f1SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-fwarn-stack-size=" + v)); 48610b57cec5SDimitry Andric A->claim(); 48620b57cec5SDimitry Andric } 48630b57cec5SDimitry Andric 48640b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fjump_tables, options::OPT_fno_jump_tables, 48650b57cec5SDimitry Andric true)) 48660b57cec5SDimitry Andric CmdArgs.push_back("-fno-jump-tables"); 48670b57cec5SDimitry Andric 48680b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fprofile_sample_accurate, 48690b57cec5SDimitry Andric options::OPT_fno_profile_sample_accurate, false)) 48700b57cec5SDimitry Andric CmdArgs.push_back("-fprofile-sample-accurate"); 48710b57cec5SDimitry Andric 48720b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fpreserve_as_comments, 48730b57cec5SDimitry Andric options::OPT_fno_preserve_as_comments, true)) 48740b57cec5SDimitry Andric CmdArgs.push_back("-fno-preserve-as-comments"); 48750b57cec5SDimitry Andric 48760b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mregparm_EQ)) { 48770b57cec5SDimitry Andric CmdArgs.push_back("-mregparm"); 48780b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 48790b57cec5SDimitry Andric } 48800b57cec5SDimitry Andric 4881e86cf8adSDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_maix_struct_return, 4882e86cf8adSDimitry Andric options::OPT_msvr4_struct_return)) { 4883e8d8bef9SDimitry Andric if (!TC.getTriple().isPPC32()) { 4884e86cf8adSDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 4885e86cf8adSDimitry Andric << A->getSpelling() << RawTriple.str(); 4886e86cf8adSDimitry Andric } else if (A->getOption().matches(options::OPT_maix_struct_return)) { 4887e86cf8adSDimitry Andric CmdArgs.push_back("-maix-struct-return"); 4888e86cf8adSDimitry Andric } else { 4889e86cf8adSDimitry Andric assert(A->getOption().matches(options::OPT_msvr4_struct_return)); 4890e86cf8adSDimitry Andric CmdArgs.push_back("-msvr4-struct-return"); 4891e86cf8adSDimitry Andric } 4892e86cf8adSDimitry Andric } 4893e86cf8adSDimitry Andric 48940b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fpcc_struct_return, 48950b57cec5SDimitry Andric options::OPT_freg_struct_return)) { 48960b57cec5SDimitry Andric if (TC.getArch() != llvm::Triple::x86) { 48970b57cec5SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 48980b57cec5SDimitry Andric << A->getSpelling() << RawTriple.str(); 48990b57cec5SDimitry Andric } else if (A->getOption().matches(options::OPT_fpcc_struct_return)) { 49000b57cec5SDimitry Andric CmdArgs.push_back("-fpcc-struct-return"); 49010b57cec5SDimitry Andric } else { 49020b57cec5SDimitry Andric assert(A->getOption().matches(options::OPT_freg_struct_return)); 49030b57cec5SDimitry Andric CmdArgs.push_back("-freg-struct-return"); 49040b57cec5SDimitry Andric } 49050b57cec5SDimitry Andric } 49060b57cec5SDimitry Andric 49070b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_mrtd, options::OPT_mno_rtd, false)) 49080b57cec5SDimitry Andric CmdArgs.push_back("-fdefault-calling-conv=stdcall"); 49090b57cec5SDimitry Andric 49105ffd83dbSDimitry Andric if (Args.hasArg(options::OPT_fenable_matrix)) { 49115ffd83dbSDimitry Andric // enable-matrix is needed by both the LangOpts and by LLVM. 49125ffd83dbSDimitry Andric CmdArgs.push_back("-fenable-matrix"); 49135ffd83dbSDimitry Andric CmdArgs.push_back("-mllvm"); 49145ffd83dbSDimitry Andric CmdArgs.push_back("-enable-matrix"); 49155ffd83dbSDimitry Andric } 49165ffd83dbSDimitry Andric 4917a7dea167SDimitry Andric CodeGenOptions::FramePointerKind FPKeepKind = 4918a7dea167SDimitry Andric getFramePointerKind(Args, RawTriple); 4919a7dea167SDimitry Andric const char *FPKeepKindStr = nullptr; 4920a7dea167SDimitry Andric switch (FPKeepKind) { 4921a7dea167SDimitry Andric case CodeGenOptions::FramePointerKind::None: 4922a7dea167SDimitry Andric FPKeepKindStr = "-mframe-pointer=none"; 4923a7dea167SDimitry Andric break; 4924a7dea167SDimitry Andric case CodeGenOptions::FramePointerKind::NonLeaf: 4925a7dea167SDimitry Andric FPKeepKindStr = "-mframe-pointer=non-leaf"; 4926a7dea167SDimitry Andric break; 4927a7dea167SDimitry Andric case CodeGenOptions::FramePointerKind::All: 4928a7dea167SDimitry Andric FPKeepKindStr = "-mframe-pointer=all"; 4929a7dea167SDimitry Andric break; 4930a7dea167SDimitry Andric } 4931a7dea167SDimitry Andric assert(FPKeepKindStr && "unknown FramePointerKind"); 4932a7dea167SDimitry Andric CmdArgs.push_back(FPKeepKindStr); 4933a7dea167SDimitry Andric 49340b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fzero_initialized_in_bss, 49355ffd83dbSDimitry Andric options::OPT_fno_zero_initialized_in_bss, true)) 49365ffd83dbSDimitry Andric CmdArgs.push_back("-fno-zero-initialized-in-bss"); 49370b57cec5SDimitry Andric 49380b57cec5SDimitry Andric bool OFastEnabled = isOptimizationLevelFast(Args); 49390b57cec5SDimitry Andric // If -Ofast is the optimization level, then -fstrict-aliasing should be 49400b57cec5SDimitry Andric // enabled. This alias option is being used to simplify the hasFlag logic. 49410b57cec5SDimitry Andric OptSpecifier StrictAliasingAliasOption = 49420b57cec5SDimitry Andric OFastEnabled ? options::OPT_Ofast : options::OPT_fstrict_aliasing; 49430b57cec5SDimitry Andric // We turn strict aliasing off by default if we're in CL mode, since MSVC 49440b57cec5SDimitry Andric // doesn't do any TBAA. 49450b57cec5SDimitry Andric bool TBAAOnByDefault = !D.IsCLMode(); 49460b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fstrict_aliasing, StrictAliasingAliasOption, 49470b57cec5SDimitry Andric options::OPT_fno_strict_aliasing, TBAAOnByDefault)) 49480b57cec5SDimitry Andric CmdArgs.push_back("-relaxed-aliasing"); 49490b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fstruct_path_tbaa, 49500b57cec5SDimitry Andric options::OPT_fno_struct_path_tbaa)) 49510b57cec5SDimitry Andric CmdArgs.push_back("-no-struct-path-tbaa"); 49520b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fstrict_enums, options::OPT_fno_strict_enums, 49530b57cec5SDimitry Andric false)) 49540b57cec5SDimitry Andric CmdArgs.push_back("-fstrict-enums"); 49550b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fstrict_return, options::OPT_fno_strict_return, 49560b57cec5SDimitry Andric true)) 49570b57cec5SDimitry Andric CmdArgs.push_back("-fno-strict-return"); 49580b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fallow_editor_placeholders, 49590b57cec5SDimitry Andric options::OPT_fno_allow_editor_placeholders, false)) 49600b57cec5SDimitry Andric CmdArgs.push_back("-fallow-editor-placeholders"); 49610b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fstrict_vtable_pointers, 49620b57cec5SDimitry Andric options::OPT_fno_strict_vtable_pointers, 49630b57cec5SDimitry Andric false)) 49640b57cec5SDimitry Andric CmdArgs.push_back("-fstrict-vtable-pointers"); 49650b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fforce_emit_vtables, 49660b57cec5SDimitry Andric options::OPT_fno_force_emit_vtables, 49670b57cec5SDimitry Andric false)) 49680b57cec5SDimitry Andric CmdArgs.push_back("-fforce-emit-vtables"); 49690b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_foptimize_sibling_calls, 49700b57cec5SDimitry Andric options::OPT_fno_optimize_sibling_calls)) 49710b57cec5SDimitry Andric CmdArgs.push_back("-mdisable-tail-calls"); 49720b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fno_escaping_block_tail_calls, 49730b57cec5SDimitry Andric options::OPT_fescaping_block_tail_calls, false)) 49740b57cec5SDimitry Andric CmdArgs.push_back("-fno-escaping-block-tail-calls"); 49750b57cec5SDimitry Andric 49760b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_ffine_grained_bitfield_accesses, 49770b57cec5SDimitry Andric options::OPT_fno_fine_grained_bitfield_accesses); 49780b57cec5SDimitry Andric 4979fe6060f1SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fexperimental_relative_cxx_abi_vtables, 4980fe6060f1SDimitry Andric options::OPT_fno_experimental_relative_cxx_abi_vtables); 4981fe6060f1SDimitry Andric 49820b57cec5SDimitry Andric // Handle segmented stacks. 4983fe6060f1SDimitry Andric if (Args.hasFlag(options::OPT_fsplit_stack, options::OPT_fno_split_stack, 4984fe6060f1SDimitry Andric false)) 4985fe6060f1SDimitry Andric CmdArgs.push_back("-fsplit-stack"); 4986fe6060f1SDimitry Andric 4987fe6060f1SDimitry Andric // -fprotect-parens=0 is default. 4988fe6060f1SDimitry Andric if (Args.hasFlag(options::OPT_fprotect_parens, 4989fe6060f1SDimitry Andric options::OPT_fno_protect_parens, false)) 4990fe6060f1SDimitry Andric CmdArgs.push_back("-fprotect-parens"); 49910b57cec5SDimitry Andric 49925ffd83dbSDimitry Andric RenderFloatingPointOptions(TC, D, OFastEnabled, Args, CmdArgs, JA); 49935ffd83dbSDimitry Andric 4994fe6060f1SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fextend_args_EQ)) { 4995fe6060f1SDimitry Andric const llvm::Triple::ArchType Arch = TC.getArch(); 4996fe6060f1SDimitry Andric if (Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64) { 4997fe6060f1SDimitry Andric StringRef V = A->getValue(); 4998fe6060f1SDimitry Andric if (V == "64") 4999fe6060f1SDimitry Andric CmdArgs.push_back("-fextend-arguments=64"); 5000fe6060f1SDimitry Andric else if (V != "32") 5001fe6060f1SDimitry Andric D.Diag(diag::err_drv_invalid_argument_to_option) 5002fe6060f1SDimitry Andric << A->getValue() << A->getOption().getName(); 5003fe6060f1SDimitry Andric } else 5004fe6060f1SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 5005fe6060f1SDimitry Andric << A->getOption().getName() << TripleStr; 5006fe6060f1SDimitry Andric } 5007fe6060f1SDimitry Andric 50085ffd83dbSDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mdouble_EQ)) { 50095ffd83dbSDimitry Andric if (TC.getArch() == llvm::Triple::avr) 50105ffd83dbSDimitry Andric A->render(Args, CmdArgs); 50115ffd83dbSDimitry Andric else 50125ffd83dbSDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 50135ffd83dbSDimitry Andric << A->getAsString(Args) << TripleStr; 50145ffd83dbSDimitry Andric } 50150b57cec5SDimitry Andric 5016a7dea167SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_LongDouble_Group)) { 5017480093f4SDimitry Andric if (TC.getTriple().isX86()) 5018a7dea167SDimitry Andric A->render(Args, CmdArgs); 5019e8d8bef9SDimitry Andric else if (TC.getTriple().isPPC() && 5020a7dea167SDimitry Andric (A->getOption().getID() != options::OPT_mlong_double_80)) 50210b57cec5SDimitry Andric A->render(Args, CmdArgs); 50220b57cec5SDimitry Andric else 50230b57cec5SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 50240b57cec5SDimitry Andric << A->getAsString(Args) << TripleStr; 50250b57cec5SDimitry Andric } 50260b57cec5SDimitry Andric 50270b57cec5SDimitry Andric // Decide whether to use verbose asm. Verbose assembly is the default on 50280b57cec5SDimitry Andric // toolchains which have the integrated assembler on by default. 50290b57cec5SDimitry Andric bool IsIntegratedAssemblerDefault = TC.IsIntegratedAssemblerDefault(); 50305ffd83dbSDimitry Andric if (!Args.hasFlag(options::OPT_fverbose_asm, options::OPT_fno_verbose_asm, 5031a7dea167SDimitry Andric IsIntegratedAssemblerDefault)) 50325ffd83dbSDimitry Andric CmdArgs.push_back("-fno-verbose-asm"); 50330b57cec5SDimitry Andric 5034e8d8bef9SDimitry Andric // Parse 'none' or '$major.$minor'. Disallow -fbinutils-version=0 because we 5035e8d8bef9SDimitry Andric // use that to indicate the MC default in the backend. 5036e8d8bef9SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fbinutils_version_EQ)) { 5037e8d8bef9SDimitry Andric StringRef V = A->getValue(); 5038e8d8bef9SDimitry Andric unsigned Num; 5039e8d8bef9SDimitry Andric if (V == "none") 5040e8d8bef9SDimitry Andric A->render(Args, CmdArgs); 5041e8d8bef9SDimitry Andric else if (!V.consumeInteger(10, Num) && Num > 0 && 5042e8d8bef9SDimitry Andric (V.empty() || (V.consume_front(".") && 5043e8d8bef9SDimitry Andric !V.consumeInteger(10, Num) && V.empty()))) 5044e8d8bef9SDimitry Andric A->render(Args, CmdArgs); 5045e8d8bef9SDimitry Andric else 5046e8d8bef9SDimitry Andric D.Diag(diag::err_drv_invalid_argument_to_option) 5047e8d8bef9SDimitry Andric << A->getValue() << A->getOption().getName(); 5048e8d8bef9SDimitry Andric } 5049e8d8bef9SDimitry Andric 5050fe6060f1SDimitry Andric // If toolchain choose to use MCAsmParser for inline asm don't pass the 5051fe6060f1SDimitry Andric // option to disable integrated-as explictly. 5052fe6060f1SDimitry Andric if (!TC.useIntegratedAs() && !TC.parseInlineAsmUsingAsmParser()) 50530b57cec5SDimitry Andric CmdArgs.push_back("-no-integrated-as"); 50540b57cec5SDimitry Andric 50550b57cec5SDimitry Andric if (Args.hasArg(options::OPT_fdebug_pass_structure)) { 50560b57cec5SDimitry Andric CmdArgs.push_back("-mdebug-pass"); 50570b57cec5SDimitry Andric CmdArgs.push_back("Structure"); 50580b57cec5SDimitry Andric } 50590b57cec5SDimitry Andric if (Args.hasArg(options::OPT_fdebug_pass_arguments)) { 50600b57cec5SDimitry Andric CmdArgs.push_back("-mdebug-pass"); 50610b57cec5SDimitry Andric CmdArgs.push_back("Arguments"); 50620b57cec5SDimitry Andric } 50630b57cec5SDimitry Andric 50640b57cec5SDimitry Andric // Enable -mconstructor-aliases except on darwin, where we have to work around 5065fe6060f1SDimitry Andric // a linker bug (see <rdar://problem/7651567>), and CUDA/AMDGPU device code, 5066fe6060f1SDimitry Andric // where aliases aren't supported. 5067fe6060f1SDimitry Andric if (!RawTriple.isOSDarwin() && !RawTriple.isNVPTX() && !RawTriple.isAMDGPU()) 50680b57cec5SDimitry Andric CmdArgs.push_back("-mconstructor-aliases"); 50690b57cec5SDimitry Andric 50700b57cec5SDimitry Andric // Darwin's kernel doesn't support guard variables; just die if we 50710b57cec5SDimitry Andric // try to use them. 50720b57cec5SDimitry Andric if (KernelOrKext && RawTriple.isOSDarwin()) 50730b57cec5SDimitry Andric CmdArgs.push_back("-fforbid-guard-variables"); 50740b57cec5SDimitry Andric 50750b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_mms_bitfields, options::OPT_mno_ms_bitfields, 50765ffd83dbSDimitry Andric Triple.isWindowsGNUEnvironment())) { 50770b57cec5SDimitry Andric CmdArgs.push_back("-mms-bitfields"); 50780b57cec5SDimitry Andric } 50790b57cec5SDimitry Andric 5080e8d8bef9SDimitry Andric // Non-PIC code defaults to -fdirect-access-external-data while PIC code 5081e8d8bef9SDimitry Andric // defaults to -fno-direct-access-external-data. Pass the option if different 5082e8d8bef9SDimitry Andric // from the default. 5083e8d8bef9SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fdirect_access_external_data, 5084e8d8bef9SDimitry Andric options::OPT_fno_direct_access_external_data)) 5085e8d8bef9SDimitry Andric if (A->getOption().matches(options::OPT_fdirect_access_external_data) != 5086e8d8bef9SDimitry Andric (PICLevel == 0)) 5087e8d8bef9SDimitry Andric A->render(Args, CmdArgs); 50880b57cec5SDimitry Andric 50890b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fno_plt, options::OPT_fplt, false)) { 50900b57cec5SDimitry Andric CmdArgs.push_back("-fno-plt"); 50910b57cec5SDimitry Andric } 50920b57cec5SDimitry Andric 50930b57cec5SDimitry Andric // -fhosted is default. 50940b57cec5SDimitry Andric // TODO: Audit uses of KernelOrKext and see where it'd be more appropriate to 50950b57cec5SDimitry Andric // use Freestanding. 50960b57cec5SDimitry Andric bool Freestanding = 50970b57cec5SDimitry Andric Args.hasFlag(options::OPT_ffreestanding, options::OPT_fhosted, false) || 50980b57cec5SDimitry Andric KernelOrKext; 50990b57cec5SDimitry Andric if (Freestanding) 51000b57cec5SDimitry Andric CmdArgs.push_back("-ffreestanding"); 51010b57cec5SDimitry Andric 51020b57cec5SDimitry Andric // This is a coarse approximation of what llvm-gcc actually does, both 51030b57cec5SDimitry Andric // -fasynchronous-unwind-tables and -fnon-call-exceptions interact in more 51040b57cec5SDimitry Andric // complicated ways. 5105fe6060f1SDimitry Andric bool UnwindTables = 51060b57cec5SDimitry Andric Args.hasFlag(options::OPT_fasynchronous_unwind_tables, 51070b57cec5SDimitry Andric options::OPT_fno_asynchronous_unwind_tables, 51080b57cec5SDimitry Andric (TC.IsUnwindTablesDefault(Args) || 51090b57cec5SDimitry Andric TC.getSanitizerArgs().needsUnwindTables()) && 51100b57cec5SDimitry Andric !Freestanding); 5111fe6060f1SDimitry Andric UnwindTables = Args.hasFlag(options::OPT_funwind_tables, 5112fe6060f1SDimitry Andric options::OPT_fno_unwind_tables, UnwindTables); 5113fe6060f1SDimitry Andric if (UnwindTables) 51140b57cec5SDimitry Andric CmdArgs.push_back("-munwind-tables"); 51150b57cec5SDimitry Andric 51165ffd83dbSDimitry Andric // Prepare `-aux-target-cpu` and `-aux-target-feature` unless 51175ffd83dbSDimitry Andric // `--gpu-use-aux-triple-only` is specified. 51185ffd83dbSDimitry Andric if (!Args.getLastArg(options::OPT_gpu_use_aux_triple_only) && 5119fe6060f1SDimitry Andric (IsCudaDevice || IsHIPDevice)) { 51205ffd83dbSDimitry Andric const ArgList &HostArgs = 51215ffd83dbSDimitry Andric C.getArgsForToolChain(nullptr, StringRef(), Action::OFK_None); 51225ffd83dbSDimitry Andric std::string HostCPU = 51235ffd83dbSDimitry Andric getCPUName(HostArgs, *TC.getAuxTriple(), /*FromAs*/ false); 51245ffd83dbSDimitry Andric if (!HostCPU.empty()) { 51255ffd83dbSDimitry Andric CmdArgs.push_back("-aux-target-cpu"); 51265ffd83dbSDimitry Andric CmdArgs.push_back(Args.MakeArgString(HostCPU)); 51275ffd83dbSDimitry Andric } 51285ffd83dbSDimitry Andric getTargetFeatures(D, *TC.getAuxTriple(), HostArgs, CmdArgs, 51295ffd83dbSDimitry Andric /*ForAS*/ false, /*IsAux*/ true); 51305ffd83dbSDimitry Andric } 51315ffd83dbSDimitry Andric 51320b57cec5SDimitry Andric TC.addClangTargetOptions(Args, CmdArgs, JA.getOffloadingDeviceKind()); 51330b57cec5SDimitry Andric 51340b57cec5SDimitry Andric // FIXME: Handle -mtune=. 51350b57cec5SDimitry Andric (void)Args.hasArg(options::OPT_mtune_EQ); 51360b57cec5SDimitry Andric 51370b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mcmodel_EQ)) { 51385ffd83dbSDimitry Andric StringRef CM = A->getValue(); 51395ffd83dbSDimitry Andric if (CM == "small" || CM == "kernel" || CM == "medium" || CM == "large" || 5140fe6060f1SDimitry Andric CM == "tiny") { 5141fe6060f1SDimitry Andric if (Triple.isOSAIX() && CM == "medium") 5142fe6060f1SDimitry Andric CmdArgs.push_back("-mcmodel=large"); 51435ffd83dbSDimitry Andric else 5144fe6060f1SDimitry Andric A->render(Args, CmdArgs); 5145fe6060f1SDimitry Andric } else { 51465ffd83dbSDimitry Andric D.Diag(diag::err_drv_invalid_argument_to_option) 51475ffd83dbSDimitry Andric << CM << A->getOption().getName(); 51480b57cec5SDimitry Andric } 5149fe6060f1SDimitry Andric } 51500b57cec5SDimitry Andric 5151480093f4SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mtls_size_EQ)) { 5152480093f4SDimitry Andric StringRef Value = A->getValue(); 5153480093f4SDimitry Andric unsigned TLSSize = 0; 5154480093f4SDimitry Andric Value.getAsInteger(10, TLSSize); 5155480093f4SDimitry Andric if (!Triple.isAArch64() || !Triple.isOSBinFormatELF()) 5156480093f4SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 5157480093f4SDimitry Andric << A->getOption().getName() << TripleStr; 5158480093f4SDimitry Andric if (TLSSize != 12 && TLSSize != 24 && TLSSize != 32 && TLSSize != 48) 5159480093f4SDimitry Andric D.Diag(diag::err_drv_invalid_int_value) 5160480093f4SDimitry Andric << A->getOption().getName() << Value; 5161480093f4SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_mtls_size_EQ); 5162480093f4SDimitry Andric } 5163480093f4SDimitry Andric 51640b57cec5SDimitry Andric // Add the target cpu 51650b57cec5SDimitry Andric std::string CPU = getCPUName(Args, Triple, /*FromAs*/ false); 51660b57cec5SDimitry Andric if (!CPU.empty()) { 51670b57cec5SDimitry Andric CmdArgs.push_back("-target-cpu"); 51680b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(CPU)); 51690b57cec5SDimitry Andric } 51700b57cec5SDimitry Andric 51710b57cec5SDimitry Andric RenderTargetOptions(Triple, Args, KernelOrKext, CmdArgs); 51720b57cec5SDimitry Andric 5173fe6060f1SDimitry Andric // FIXME: For now we want to demote any errors to warnings, when they have 5174fe6060f1SDimitry Andric // been raised for asking the wrong question of scalable vectors, such as 5175fe6060f1SDimitry Andric // asking for the fixed number of elements. This may happen because code that 5176fe6060f1SDimitry Andric // is not yet ported to work for scalable vectors uses the wrong interfaces, 5177fe6060f1SDimitry Andric // whereas the behaviour is actually correct. Emitting a warning helps bring 5178fe6060f1SDimitry Andric // up scalable vector support in an incremental way. When scalable vector 5179fe6060f1SDimitry Andric // support is stable enough, all uses of wrong interfaces should be considered 5180fe6060f1SDimitry Andric // as errors, but until then, we can live with a warning being emitted by the 5181fe6060f1SDimitry Andric // compiler. This way, Clang can be used to compile code with scalable vectors 5182fe6060f1SDimitry Andric // and identify possible issues. 5183fe6060f1SDimitry Andric if (isa<BackendJobAction>(JA)) { 5184fe6060f1SDimitry Andric CmdArgs.push_back("-mllvm"); 5185fe6060f1SDimitry Andric CmdArgs.push_back("-treat-scalable-fixed-error-as-warning"); 5186fe6060f1SDimitry Andric } 5187fe6060f1SDimitry Andric 51880b57cec5SDimitry Andric // These two are potentially updated by AddClangCLArgs. 51890b57cec5SDimitry Andric codegenoptions::DebugInfoKind DebugInfoKind = codegenoptions::NoDebugInfo; 51900b57cec5SDimitry Andric bool EmitCodeView = false; 51910b57cec5SDimitry Andric 51920b57cec5SDimitry Andric // Add clang-cl arguments. 51930b57cec5SDimitry Andric types::ID InputType = Input.getType(); 51940b57cec5SDimitry Andric if (D.IsCLMode()) 51950b57cec5SDimitry Andric AddClangCLArgs(Args, InputType, CmdArgs, &DebugInfoKind, &EmitCodeView); 51960b57cec5SDimitry Andric 5197e8d8bef9SDimitry Andric DwarfFissionKind DwarfFission = DwarfFissionKind::None; 5198e8d8bef9SDimitry Andric renderDebugOptions(TC, D, RawTriple, Args, EmitCodeView, 5199e8d8bef9SDimitry Andric types::isLLVMIR(InputType), CmdArgs, DebugInfoKind, 5200e8d8bef9SDimitry Andric DwarfFission); 52010b57cec5SDimitry Andric 52020b57cec5SDimitry Andric // Add the split debug info name to the command lines here so we 52030b57cec5SDimitry Andric // can propagate it to the backend. 52040b57cec5SDimitry Andric bool SplitDWARF = (DwarfFission != DwarfFissionKind::None) && 5205e8d8bef9SDimitry Andric (TC.getTriple().isOSBinFormatELF() || 5206e8d8bef9SDimitry Andric TC.getTriple().isOSBinFormatWasm()) && 52070b57cec5SDimitry Andric (isa<AssembleJobAction>(JA) || isa<CompileJobAction>(JA) || 52080b57cec5SDimitry Andric isa<BackendJobAction>(JA)); 52090b57cec5SDimitry Andric if (SplitDWARF) { 5210e8d8bef9SDimitry Andric const char *SplitDWARFOut = SplitDebugName(JA, Args, Input, Output); 52110b57cec5SDimitry Andric CmdArgs.push_back("-split-dwarf-file"); 52120b57cec5SDimitry Andric CmdArgs.push_back(SplitDWARFOut); 52130b57cec5SDimitry Andric if (DwarfFission == DwarfFissionKind::Split) { 52140b57cec5SDimitry Andric CmdArgs.push_back("-split-dwarf-output"); 52150b57cec5SDimitry Andric CmdArgs.push_back(SplitDWARFOut); 52160b57cec5SDimitry Andric } 52170b57cec5SDimitry Andric } 52180b57cec5SDimitry Andric 52190b57cec5SDimitry Andric // Pass the linker version in use. 52200b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mlinker_version_EQ)) { 52210b57cec5SDimitry Andric CmdArgs.push_back("-target-linker-version"); 52220b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 52230b57cec5SDimitry Andric } 52240b57cec5SDimitry Andric 52250b57cec5SDimitry Andric // Explicitly error on some things we know we don't support and can't just 52260b57cec5SDimitry Andric // ignore. 52270b57cec5SDimitry Andric if (!Args.hasArg(options::OPT_fallow_unsupported)) { 52280b57cec5SDimitry Andric Arg *Unsupported; 52290b57cec5SDimitry Andric if (types::isCXX(InputType) && RawTriple.isOSDarwin() && 52300b57cec5SDimitry Andric TC.getArch() == llvm::Triple::x86) { 52310b57cec5SDimitry Andric if ((Unsupported = Args.getLastArg(options::OPT_fapple_kext)) || 52320b57cec5SDimitry Andric (Unsupported = Args.getLastArg(options::OPT_mkernel))) 52330b57cec5SDimitry Andric D.Diag(diag::err_drv_clang_unsupported_opt_cxx_darwin_i386) 52340b57cec5SDimitry Andric << Unsupported->getOption().getName(); 52350b57cec5SDimitry Andric } 52360b57cec5SDimitry Andric // The faltivec option has been superseded by the maltivec option. 52370b57cec5SDimitry Andric if ((Unsupported = Args.getLastArg(options::OPT_faltivec))) 52380b57cec5SDimitry Andric D.Diag(diag::err_drv_clang_unsupported_opt_faltivec) 52390b57cec5SDimitry Andric << Unsupported->getOption().getName() 52400b57cec5SDimitry Andric << "please use -maltivec and include altivec.h explicitly"; 52410b57cec5SDimitry Andric if ((Unsupported = Args.getLastArg(options::OPT_fno_altivec))) 52420b57cec5SDimitry Andric D.Diag(diag::err_drv_clang_unsupported_opt_faltivec) 52430b57cec5SDimitry Andric << Unsupported->getOption().getName() << "please use -mno-altivec"; 52440b57cec5SDimitry Andric } 52450b57cec5SDimitry Andric 52460b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_v); 52475ffd83dbSDimitry Andric 52485ffd83dbSDimitry Andric if (Args.getLastArg(options::OPT_H)) { 52495ffd83dbSDimitry Andric CmdArgs.push_back("-H"); 52505ffd83dbSDimitry Andric CmdArgs.push_back("-sys-header-deps"); 52515ffd83dbSDimitry Andric } 5252fe6060f1SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_fshow_skipped_includes); 52535ffd83dbSDimitry Andric 52540b57cec5SDimitry Andric if (D.CCPrintHeaders && !D.CCGenDiagnostics) { 52550b57cec5SDimitry Andric CmdArgs.push_back("-header-include-file"); 5256fe6060f1SDimitry Andric CmdArgs.push_back(!D.CCPrintHeadersFilename.empty() 5257fe6060f1SDimitry Andric ? D.CCPrintHeadersFilename.c_str() 52580b57cec5SDimitry Andric : "-"); 52595ffd83dbSDimitry Andric CmdArgs.push_back("-sys-header-deps"); 52600b57cec5SDimitry Andric } 52610b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_P); 52620b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_print_ivar_layout); 52630b57cec5SDimitry Andric 52640b57cec5SDimitry Andric if (D.CCLogDiagnostics && !D.CCGenDiagnostics) { 52650b57cec5SDimitry Andric CmdArgs.push_back("-diagnostic-log-file"); 5266fe6060f1SDimitry Andric CmdArgs.push_back(!D.CCLogDiagnosticsFilename.empty() 5267fe6060f1SDimitry Andric ? D.CCLogDiagnosticsFilename.c_str() 52680b57cec5SDimitry Andric : "-"); 52690b57cec5SDimitry Andric } 52700b57cec5SDimitry Andric 527113138422SDimitry Andric // Give the gen diagnostics more chances to succeed, by avoiding intentional 527213138422SDimitry Andric // crashes. 527313138422SDimitry Andric if (D.CCGenDiagnostics) 527413138422SDimitry Andric CmdArgs.push_back("-disable-pragma-debug-crash"); 527513138422SDimitry Andric 5276fe6060f1SDimitry Andric // Allow backend to put its diagnostic files in the same place as frontend 5277fe6060f1SDimitry Andric // crash diagnostics files. 5278fe6060f1SDimitry Andric if (Args.hasArg(options::OPT_fcrash_diagnostics_dir)) { 5279fe6060f1SDimitry Andric StringRef Dir = Args.getLastArgValue(options::OPT_fcrash_diagnostics_dir); 5280fe6060f1SDimitry Andric CmdArgs.push_back("-mllvm"); 5281fe6060f1SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-crash-diagnostics-dir=" + Dir)); 5282fe6060f1SDimitry Andric } 5283fe6060f1SDimitry Andric 52840b57cec5SDimitry Andric bool UseSeparateSections = isUseSeparateSections(Triple); 52850b57cec5SDimitry Andric 52860b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_ffunction_sections, 52870b57cec5SDimitry Andric options::OPT_fno_function_sections, UseSeparateSections)) { 52880b57cec5SDimitry Andric CmdArgs.push_back("-ffunction-sections"); 52890b57cec5SDimitry Andric } 52900b57cec5SDimitry Andric 52915ffd83dbSDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fbasic_block_sections_EQ)) { 52925ffd83dbSDimitry Andric StringRef Val = A->getValue(); 5293fe6060f1SDimitry Andric if (Triple.isX86() && Triple.isOSBinFormatELF()) { 52945ffd83dbSDimitry Andric if (Val != "all" && Val != "labels" && Val != "none" && 5295e8d8bef9SDimitry Andric !Val.startswith("list=")) 52965ffd83dbSDimitry Andric D.Diag(diag::err_drv_invalid_value) 52975ffd83dbSDimitry Andric << A->getAsString(Args) << A->getValue(); 52985ffd83dbSDimitry Andric else 52995ffd83dbSDimitry Andric A->render(Args, CmdArgs); 5300fe6060f1SDimitry Andric } else if (Triple.isNVPTX()) { 5301fe6060f1SDimitry Andric // Do not pass the option to the GPU compilation. We still want it enabled 5302fe6060f1SDimitry Andric // for the host-side compilation, so seeing it here is not an error. 5303fe6060f1SDimitry Andric } else if (Val != "none") { 5304fe6060f1SDimitry Andric // =none is allowed everywhere. It's useful for overriding the option 5305fe6060f1SDimitry Andric // and is the same as not specifying the option. 5306e8d8bef9SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 5307e8d8bef9SDimitry Andric << A->getAsString(Args) << TripleStr; 5308e8d8bef9SDimitry Andric } 53095ffd83dbSDimitry Andric } 53105ffd83dbSDimitry Andric 5311e8d8bef9SDimitry Andric bool HasDefaultDataSections = Triple.isOSBinFormatXCOFF(); 53120b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fdata_sections, options::OPT_fno_data_sections, 5313e8d8bef9SDimitry Andric UseSeparateSections || HasDefaultDataSections)) { 53140b57cec5SDimitry Andric CmdArgs.push_back("-fdata-sections"); 53150b57cec5SDimitry Andric } 53160b57cec5SDimitry Andric 53170b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_funique_section_names, 53180b57cec5SDimitry Andric options::OPT_fno_unique_section_names, true)) 53190b57cec5SDimitry Andric CmdArgs.push_back("-fno-unique-section-names"); 53200b57cec5SDimitry Andric 53215ffd83dbSDimitry Andric if (Args.hasFlag(options::OPT_funique_internal_linkage_names, 53225ffd83dbSDimitry Andric options::OPT_fno_unique_internal_linkage_names, false)) 53235ffd83dbSDimitry Andric CmdArgs.push_back("-funique-internal-linkage-names"); 53245ffd83dbSDimitry Andric 53255ffd83dbSDimitry Andric if (Args.hasFlag(options::OPT_funique_basic_block_section_names, 53265ffd83dbSDimitry Andric options::OPT_fno_unique_basic_block_section_names, false)) 53275ffd83dbSDimitry Andric CmdArgs.push_back("-funique-basic-block-section-names"); 53285ffd83dbSDimitry Andric 5329e8d8bef9SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fsplit_machine_functions, 5330e8d8bef9SDimitry Andric options::OPT_fno_split_machine_functions)) { 5331e8d8bef9SDimitry Andric // This codegen pass is only available on x86-elf targets. 5332e8d8bef9SDimitry Andric if (Triple.isX86() && Triple.isOSBinFormatELF()) { 5333e8d8bef9SDimitry Andric if (A->getOption().matches(options::OPT_fsplit_machine_functions)) 5334e8d8bef9SDimitry Andric A->render(Args, CmdArgs); 5335e8d8bef9SDimitry Andric } else { 5336e8d8bef9SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 5337e8d8bef9SDimitry Andric << A->getAsString(Args) << TripleStr; 5338e8d8bef9SDimitry Andric } 5339e8d8bef9SDimitry Andric } 5340e8d8bef9SDimitry Andric 53410b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_finstrument_functions, 53420b57cec5SDimitry Andric options::OPT_finstrument_functions_after_inlining, 53430b57cec5SDimitry Andric options::OPT_finstrument_function_entry_bare); 53440b57cec5SDimitry Andric 53455ffd83dbSDimitry Andric // NVPTX/AMDGCN doesn't support PGO or coverage. There's no runtime support 53465ffd83dbSDimitry Andric // for sampling, overhead of call arc collection is way too high and there's 53475ffd83dbSDimitry Andric // no way to collect the output. 53485ffd83dbSDimitry Andric if (!Triple.isNVPTX() && !Triple.isAMDGCN()) 53490b57cec5SDimitry Andric addPGOAndCoverageFlags(TC, C, D, Output, Args, CmdArgs); 53500b57cec5SDimitry Andric 53510b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fclang_abi_compat_EQ); 53520b57cec5SDimitry Andric 53530b57cec5SDimitry Andric // Add runtime flag for PS4 when PGO, coverage, or sanitizers are enabled. 53540b57cec5SDimitry Andric if (RawTriple.isPS4CPU() && 53550b57cec5SDimitry Andric !Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) { 53560b57cec5SDimitry Andric PS4cpu::addProfileRTArgs(TC, Args, CmdArgs); 53570b57cec5SDimitry Andric PS4cpu::addSanitizerArgs(TC, CmdArgs); 53580b57cec5SDimitry Andric } 53590b57cec5SDimitry Andric 53600b57cec5SDimitry Andric // Pass options for controlling the default header search paths. 53610b57cec5SDimitry Andric if (Args.hasArg(options::OPT_nostdinc)) { 53620b57cec5SDimitry Andric CmdArgs.push_back("-nostdsysteminc"); 53630b57cec5SDimitry Andric CmdArgs.push_back("-nobuiltininc"); 53640b57cec5SDimitry Andric } else { 53650b57cec5SDimitry Andric if (Args.hasArg(options::OPT_nostdlibinc)) 53660b57cec5SDimitry Andric CmdArgs.push_back("-nostdsysteminc"); 53670b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_nostdincxx); 53680b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_nobuiltininc); 53690b57cec5SDimitry Andric } 53700b57cec5SDimitry Andric 53710b57cec5SDimitry Andric // Pass the path to compiler resource files. 53720b57cec5SDimitry Andric CmdArgs.push_back("-resource-dir"); 53730b57cec5SDimitry Andric CmdArgs.push_back(D.ResourceDir.c_str()); 53740b57cec5SDimitry Andric 53750b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_working_directory); 53760b57cec5SDimitry Andric 53770b57cec5SDimitry Andric RenderARCMigrateToolOptions(D, Args, CmdArgs); 53780b57cec5SDimitry Andric 53790b57cec5SDimitry Andric // Add preprocessing options like -I, -D, etc. if we are using the 53800b57cec5SDimitry Andric // preprocessor. 53810b57cec5SDimitry Andric // 53820b57cec5SDimitry Andric // FIXME: Support -fpreprocessed 53830b57cec5SDimitry Andric if (types::getPreprocessedType(InputType) != types::TY_INVALID) 53840b57cec5SDimitry Andric AddPreprocessingOptions(C, JA, D, Args, CmdArgs, Output, Inputs); 53850b57cec5SDimitry Andric 53860b57cec5SDimitry Andric // Don't warn about "clang -c -DPIC -fPIC test.i" because libtool.m4 assumes 53870b57cec5SDimitry Andric // that "The compiler can only warn and ignore the option if not recognized". 53880b57cec5SDimitry Andric // When building with ccache, it will pass -D options to clang even on 53890b57cec5SDimitry Andric // preprocessed inputs and configure concludes that -fPIC is not supported. 53900b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_D); 53910b57cec5SDimitry Andric 53920b57cec5SDimitry Andric // Manually translate -O4 to -O3; let clang reject others. 53930b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_O_Group)) { 53940b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_O4)) { 53950b57cec5SDimitry Andric CmdArgs.push_back("-O3"); 53960b57cec5SDimitry Andric D.Diag(diag::warn_O4_is_O3); 53970b57cec5SDimitry Andric } else { 53980b57cec5SDimitry Andric A->render(Args, CmdArgs); 53990b57cec5SDimitry Andric } 54000b57cec5SDimitry Andric } 54010b57cec5SDimitry Andric 54020b57cec5SDimitry Andric // Warn about ignored options to clang. 54030b57cec5SDimitry Andric for (const Arg *A : 54040b57cec5SDimitry Andric Args.filtered(options::OPT_clang_ignored_gcc_optimization_f_Group)) { 54050b57cec5SDimitry Andric D.Diag(diag::warn_ignored_gcc_optimization) << A->getAsString(Args); 54060b57cec5SDimitry Andric A->claim(); 54070b57cec5SDimitry Andric } 54080b57cec5SDimitry Andric 54090b57cec5SDimitry Andric for (const Arg *A : 54100b57cec5SDimitry Andric Args.filtered(options::OPT_clang_ignored_legacy_options_Group)) { 54110b57cec5SDimitry Andric D.Diag(diag::warn_ignored_clang_option) << A->getAsString(Args); 54120b57cec5SDimitry Andric A->claim(); 54130b57cec5SDimitry Andric } 54140b57cec5SDimitry Andric 54150b57cec5SDimitry Andric claimNoWarnArgs(Args); 54160b57cec5SDimitry Andric 54170b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_R_Group); 54180b57cec5SDimitry Andric 54190b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_W_Group); 54200b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_pedantic, options::OPT_no_pedantic, false)) 54210b57cec5SDimitry Andric CmdArgs.push_back("-pedantic"); 54220b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_pedantic_errors); 54230b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_w); 54240b57cec5SDimitry Andric 54250b57cec5SDimitry Andric // Fixed point flags 54260b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_ffixed_point, options::OPT_fno_fixed_point, 54270b57cec5SDimitry Andric /*Default=*/false)) 54280b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_ffixed_point); 54290b57cec5SDimitry Andric 5430fe6060f1SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fcxx_abi_EQ)) 5431fe6060f1SDimitry Andric A->render(Args, CmdArgs); 5432fe6060f1SDimitry Andric 5433fe6060f1SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fexperimental_relative_cxx_abi_vtables, 5434fe6060f1SDimitry Andric options::OPT_fno_experimental_relative_cxx_abi_vtables); 5435fe6060f1SDimitry Andric 54360b57cec5SDimitry Andric // Handle -{std, ansi, trigraphs} -- take the last of -{std, ansi} 54370b57cec5SDimitry Andric // (-ansi is equivalent to -std=c89 or -std=c++98). 54380b57cec5SDimitry Andric // 54390b57cec5SDimitry Andric // If a std is supplied, only add -trigraphs if it follows the 54400b57cec5SDimitry Andric // option. 5441fe6060f1SDimitry Andric bool ImplyVCPPCVer = false; 54420b57cec5SDimitry Andric bool ImplyVCPPCXXVer = false; 54430b57cec5SDimitry Andric const Arg *Std = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi); 54440b57cec5SDimitry Andric if (Std) { 54450b57cec5SDimitry Andric if (Std->getOption().matches(options::OPT_ansi)) 54460b57cec5SDimitry Andric if (types::isCXX(InputType)) 54470b57cec5SDimitry Andric CmdArgs.push_back("-std=c++98"); 54480b57cec5SDimitry Andric else 54490b57cec5SDimitry Andric CmdArgs.push_back("-std=c89"); 54500b57cec5SDimitry Andric else 54510b57cec5SDimitry Andric Std->render(Args, CmdArgs); 54520b57cec5SDimitry Andric 54530b57cec5SDimitry Andric // If -f(no-)trigraphs appears after the language standard flag, honor it. 54540b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_std_EQ, options::OPT_ansi, 54550b57cec5SDimitry Andric options::OPT_ftrigraphs, 54560b57cec5SDimitry Andric options::OPT_fno_trigraphs)) 54570b57cec5SDimitry Andric if (A != Std) 54580b57cec5SDimitry Andric A->render(Args, CmdArgs); 54590b57cec5SDimitry Andric } else { 54600b57cec5SDimitry Andric // Honor -std-default. 54610b57cec5SDimitry Andric // 54620b57cec5SDimitry Andric // FIXME: Clang doesn't correctly handle -std= when the input language 54630b57cec5SDimitry Andric // doesn't match. For the time being just ignore this for C++ inputs; 54640b57cec5SDimitry Andric // eventually we want to do all the standard defaulting here instead of 54650b57cec5SDimitry Andric // splitting it between the driver and clang -cc1. 5466fe6060f1SDimitry Andric if (!types::isCXX(InputType)) { 5467fe6060f1SDimitry Andric if (!Args.hasArg(options::OPT__SLASH_std)) { 54680b57cec5SDimitry Andric Args.AddAllArgsTranslated(CmdArgs, options::OPT_std_default_EQ, "-std=", 54690b57cec5SDimitry Andric /*Joined=*/true); 5470fe6060f1SDimitry Andric } else 5471fe6060f1SDimitry Andric ImplyVCPPCVer = true; 5472fe6060f1SDimitry Andric } 54730b57cec5SDimitry Andric else if (IsWindowsMSVC) 54740b57cec5SDimitry Andric ImplyVCPPCXXVer = true; 54750b57cec5SDimitry Andric 54760b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_ftrigraphs, 54770b57cec5SDimitry Andric options::OPT_fno_trigraphs); 54785ffd83dbSDimitry Andric 54795ffd83dbSDimitry Andric // HIP headers has minimum C++ standard requirements. Therefore set the 54805ffd83dbSDimitry Andric // default language standard. 54815ffd83dbSDimitry Andric if (IsHIP) 54825ffd83dbSDimitry Andric CmdArgs.push_back(IsWindowsMSVC ? "-std=c++14" : "-std=c++11"); 54830b57cec5SDimitry Andric } 54840b57cec5SDimitry Andric 54850b57cec5SDimitry Andric // GCC's behavior for -Wwrite-strings is a bit strange: 54860b57cec5SDimitry Andric // * In C, this "warning flag" changes the types of string literals from 54870b57cec5SDimitry Andric // 'char[N]' to 'const char[N]', and thus triggers an unrelated warning 54880b57cec5SDimitry Andric // for the discarded qualifier. 54890b57cec5SDimitry Andric // * In C++, this is just a normal warning flag. 54900b57cec5SDimitry Andric // 54910b57cec5SDimitry Andric // Implementing this warning correctly in C is hard, so we follow GCC's 54920b57cec5SDimitry Andric // behavior for now. FIXME: Directly diagnose uses of a string literal as 54930b57cec5SDimitry Andric // a non-const char* in C, rather than using this crude hack. 54940b57cec5SDimitry Andric if (!types::isCXX(InputType)) { 54950b57cec5SDimitry Andric // FIXME: This should behave just like a warning flag, and thus should also 54960b57cec5SDimitry Andric // respect -Weverything, -Wno-everything, -Werror=write-strings, and so on. 54970b57cec5SDimitry Andric Arg *WriteStrings = 54980b57cec5SDimitry Andric Args.getLastArg(options::OPT_Wwrite_strings, 54990b57cec5SDimitry Andric options::OPT_Wno_write_strings, options::OPT_w); 55000b57cec5SDimitry Andric if (WriteStrings && 55010b57cec5SDimitry Andric WriteStrings->getOption().matches(options::OPT_Wwrite_strings)) 55020b57cec5SDimitry Andric CmdArgs.push_back("-fconst-strings"); 55030b57cec5SDimitry Andric } 55040b57cec5SDimitry Andric 55050b57cec5SDimitry Andric // GCC provides a macro definition '__DEPRECATED' when -Wdeprecated is active 55060b57cec5SDimitry Andric // during C++ compilation, which it is by default. GCC keeps this define even 55070b57cec5SDimitry Andric // in the presence of '-w', match this behavior bug-for-bug. 55080b57cec5SDimitry Andric if (types::isCXX(InputType) && 55090b57cec5SDimitry Andric Args.hasFlag(options::OPT_Wdeprecated, options::OPT_Wno_deprecated, 55100b57cec5SDimitry Andric true)) { 55110b57cec5SDimitry Andric CmdArgs.push_back("-fdeprecated-macro"); 55120b57cec5SDimitry Andric } 55130b57cec5SDimitry Andric 55140b57cec5SDimitry Andric // Translate GCC's misnamer '-fasm' arguments to '-fgnu-keywords'. 55150b57cec5SDimitry Andric if (Arg *Asm = Args.getLastArg(options::OPT_fasm, options::OPT_fno_asm)) { 55160b57cec5SDimitry Andric if (Asm->getOption().matches(options::OPT_fasm)) 55170b57cec5SDimitry Andric CmdArgs.push_back("-fgnu-keywords"); 55180b57cec5SDimitry Andric else 55190b57cec5SDimitry Andric CmdArgs.push_back("-fno-gnu-keywords"); 55200b57cec5SDimitry Andric } 55210b57cec5SDimitry Andric 5522480093f4SDimitry Andric if (!ShouldEnableAutolink(Args, TC, JA)) 55230b57cec5SDimitry Andric CmdArgs.push_back("-fno-autolink"); 55240b57cec5SDimitry Andric 55250b57cec5SDimitry Andric // Add in -fdebug-compilation-dir if necessary. 5526a7dea167SDimitry Andric addDebugCompDirArg(Args, CmdArgs, D.getVFS()); 55270b57cec5SDimitry Andric 55280b57cec5SDimitry Andric addDebugPrefixMapArg(D, Args, CmdArgs); 55290b57cec5SDimitry Andric 55300b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_ftemplate_depth_, 55310b57cec5SDimitry Andric options::OPT_ftemplate_depth_EQ)) { 55320b57cec5SDimitry Andric CmdArgs.push_back("-ftemplate-depth"); 55330b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 55340b57cec5SDimitry Andric } 55350b57cec5SDimitry Andric 55360b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_foperator_arrow_depth_EQ)) { 55370b57cec5SDimitry Andric CmdArgs.push_back("-foperator-arrow-depth"); 55380b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 55390b57cec5SDimitry Andric } 55400b57cec5SDimitry Andric 55410b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fconstexpr_depth_EQ)) { 55420b57cec5SDimitry Andric CmdArgs.push_back("-fconstexpr-depth"); 55430b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 55440b57cec5SDimitry Andric } 55450b57cec5SDimitry Andric 55460b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fconstexpr_steps_EQ)) { 55470b57cec5SDimitry Andric CmdArgs.push_back("-fconstexpr-steps"); 55480b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 55490b57cec5SDimitry Andric } 55500b57cec5SDimitry Andric 5551a7dea167SDimitry Andric if (Args.hasArg(options::OPT_fexperimental_new_constant_interpreter)) 5552a7dea167SDimitry Andric CmdArgs.push_back("-fexperimental-new-constant-interpreter"); 5553a7dea167SDimitry Andric 55540b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fbracket_depth_EQ)) { 55550b57cec5SDimitry Andric CmdArgs.push_back("-fbracket-depth"); 55560b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 55570b57cec5SDimitry Andric } 55580b57cec5SDimitry Andric 55590b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_Wlarge_by_value_copy_EQ, 55600b57cec5SDimitry Andric options::OPT_Wlarge_by_value_copy_def)) { 55610b57cec5SDimitry Andric if (A->getNumValues()) { 55620b57cec5SDimitry Andric StringRef bytes = A->getValue(); 55630b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-Wlarge-by-value-copy=" + bytes)); 55640b57cec5SDimitry Andric } else 55650b57cec5SDimitry Andric CmdArgs.push_back("-Wlarge-by-value-copy=64"); // default value 55660b57cec5SDimitry Andric } 55670b57cec5SDimitry Andric 55680b57cec5SDimitry Andric if (Args.hasArg(options::OPT_relocatable_pch)) 55690b57cec5SDimitry Andric CmdArgs.push_back("-relocatable-pch"); 55700b57cec5SDimitry Andric 55710b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_fcf_runtime_abi_EQ)) { 55720b57cec5SDimitry Andric static const char *kCFABIs[] = { 55730b57cec5SDimitry Andric "standalone", "objc", "swift", "swift-5.0", "swift-4.2", "swift-4.1", 55740b57cec5SDimitry Andric }; 55750b57cec5SDimitry Andric 55760b57cec5SDimitry Andric if (find(kCFABIs, StringRef(A->getValue())) == std::end(kCFABIs)) 55770b57cec5SDimitry Andric D.Diag(diag::err_drv_invalid_cf_runtime_abi) << A->getValue(); 55780b57cec5SDimitry Andric else 55790b57cec5SDimitry Andric A->render(Args, CmdArgs); 55800b57cec5SDimitry Andric } 55810b57cec5SDimitry Andric 55820b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fconstant_string_class_EQ)) { 55830b57cec5SDimitry Andric CmdArgs.push_back("-fconstant-string-class"); 55840b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 55850b57cec5SDimitry Andric } 55860b57cec5SDimitry Andric 55870b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_ftabstop_EQ)) { 55880b57cec5SDimitry Andric CmdArgs.push_back("-ftabstop"); 55890b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 55900b57cec5SDimitry Andric } 55910b57cec5SDimitry Andric 55920b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fstack_size_section, 55930b57cec5SDimitry Andric options::OPT_fno_stack_size_section, RawTriple.isPS4())) 55940b57cec5SDimitry Andric CmdArgs.push_back("-fstack-size-section"); 55950b57cec5SDimitry Andric 5596fe6060f1SDimitry Andric if (Args.hasArg(options::OPT_fstack_usage)) { 5597fe6060f1SDimitry Andric CmdArgs.push_back("-stack-usage-file"); 5598fe6060f1SDimitry Andric 5599fe6060f1SDimitry Andric if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { 5600fe6060f1SDimitry Andric SmallString<128> OutputFilename(OutputOpt->getValue()); 5601fe6060f1SDimitry Andric llvm::sys::path::replace_extension(OutputFilename, "su"); 5602fe6060f1SDimitry Andric CmdArgs.push_back(Args.MakeArgString(OutputFilename)); 5603fe6060f1SDimitry Andric } else 5604fe6060f1SDimitry Andric CmdArgs.push_back( 5605fe6060f1SDimitry Andric Args.MakeArgString(Twine(getBaseInputStem(Args, Inputs)) + ".su")); 5606fe6060f1SDimitry Andric } 5607fe6060f1SDimitry Andric 56080b57cec5SDimitry Andric CmdArgs.push_back("-ferror-limit"); 56090b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_ferror_limit_EQ)) 56100b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 56110b57cec5SDimitry Andric else 56120b57cec5SDimitry Andric CmdArgs.push_back("19"); 56130b57cec5SDimitry Andric 56140b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fmacro_backtrace_limit_EQ)) { 56150b57cec5SDimitry Andric CmdArgs.push_back("-fmacro-backtrace-limit"); 56160b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 56170b57cec5SDimitry Andric } 56180b57cec5SDimitry Andric 56190b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_ftemplate_backtrace_limit_EQ)) { 56200b57cec5SDimitry Andric CmdArgs.push_back("-ftemplate-backtrace-limit"); 56210b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 56220b57cec5SDimitry Andric } 56230b57cec5SDimitry Andric 56240b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fconstexpr_backtrace_limit_EQ)) { 56250b57cec5SDimitry Andric CmdArgs.push_back("-fconstexpr-backtrace-limit"); 56260b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 56270b57cec5SDimitry Andric } 56280b57cec5SDimitry Andric 56290b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fspell_checking_limit_EQ)) { 56300b57cec5SDimitry Andric CmdArgs.push_back("-fspell-checking-limit"); 56310b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 56320b57cec5SDimitry Andric } 56330b57cec5SDimitry Andric 56340b57cec5SDimitry Andric // Pass -fmessage-length=. 56355ffd83dbSDimitry Andric unsigned MessageLength = 0; 56360b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fmessage_length_EQ)) { 56375ffd83dbSDimitry Andric StringRef V(A->getValue()); 56385ffd83dbSDimitry Andric if (V.getAsInteger(0, MessageLength)) 56395ffd83dbSDimitry Andric D.Diag(diag::err_drv_invalid_argument_to_option) 56405ffd83dbSDimitry Andric << V << A->getOption().getName(); 56410b57cec5SDimitry Andric } else { 56420b57cec5SDimitry Andric // If -fmessage-length=N was not specified, determine whether this is a 56430b57cec5SDimitry Andric // terminal and, if so, implicitly define -fmessage-length appropriately. 56445ffd83dbSDimitry Andric MessageLength = llvm::sys::Process::StandardErrColumns(); 56450b57cec5SDimitry Andric } 56465ffd83dbSDimitry Andric if (MessageLength != 0) 56475ffd83dbSDimitry Andric CmdArgs.push_back( 56485ffd83dbSDimitry Andric Args.MakeArgString("-fmessage-length=" + Twine(MessageLength))); 56490b57cec5SDimitry Andric 56500b57cec5SDimitry Andric // -fvisibility= and -fvisibility-ms-compat are of a piece. 56510b57cec5SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_fvisibility_EQ, 56520b57cec5SDimitry Andric options::OPT_fvisibility_ms_compat)) { 56530b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_fvisibility_EQ)) { 56540b57cec5SDimitry Andric CmdArgs.push_back("-fvisibility"); 56550b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 56560b57cec5SDimitry Andric } else { 56570b57cec5SDimitry Andric assert(A->getOption().matches(options::OPT_fvisibility_ms_compat)); 56580b57cec5SDimitry Andric CmdArgs.push_back("-fvisibility"); 56590b57cec5SDimitry Andric CmdArgs.push_back("hidden"); 56600b57cec5SDimitry Andric CmdArgs.push_back("-ftype-visibility"); 56610b57cec5SDimitry Andric CmdArgs.push_back("default"); 56620b57cec5SDimitry Andric } 56630b57cec5SDimitry Andric } 56640b57cec5SDimitry Andric 5665e8d8bef9SDimitry Andric if (!RawTriple.isPS4()) 5666e8d8bef9SDimitry Andric if (const Arg *A = 5667e8d8bef9SDimitry Andric Args.getLastArg(options::OPT_fvisibility_from_dllstorageclass, 5668e8d8bef9SDimitry Andric options::OPT_fno_visibility_from_dllstorageclass)) { 5669e8d8bef9SDimitry Andric if (A->getOption().matches( 5670e8d8bef9SDimitry Andric options::OPT_fvisibility_from_dllstorageclass)) { 5671e8d8bef9SDimitry Andric CmdArgs.push_back("-fvisibility-from-dllstorageclass"); 5672e8d8bef9SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fvisibility_dllexport_EQ); 5673e8d8bef9SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fvisibility_nodllstorageclass_EQ); 5674e8d8bef9SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fvisibility_externs_dllimport_EQ); 5675e8d8bef9SDimitry Andric Args.AddLastArg(CmdArgs, 5676e8d8bef9SDimitry Andric options::OPT_fvisibility_externs_nodllstorageclass_EQ); 5677e8d8bef9SDimitry Andric } 5678e8d8bef9SDimitry Andric } 5679e8d8bef9SDimitry Andric 5680e8d8bef9SDimitry Andric if (const Arg *A = Args.getLastArg(options::OPT_mignore_xcoff_visibility)) { 5681e8d8bef9SDimitry Andric if (Triple.isOSAIX()) 5682e8d8bef9SDimitry Andric CmdArgs.push_back("-mignore-xcoff-visibility"); 5683e8d8bef9SDimitry Andric else 5684e8d8bef9SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 5685e8d8bef9SDimitry Andric << A->getAsString(Args) << TripleStr; 5686e8d8bef9SDimitry Andric } 5687e8d8bef9SDimitry Andric 5688fe6060f1SDimitry Andric 5689fe6060f1SDimitry Andric if (Args.hasFlag(options::OPT_fvisibility_inlines_hidden, 5690fe6060f1SDimitry Andric options::OPT_fno_visibility_inlines_hidden, false)) 5691fe6060f1SDimitry Andric CmdArgs.push_back("-fvisibility-inlines-hidden"); 5692fe6060f1SDimitry Andric 5693e8d8bef9SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fvisibility_inlines_hidden_static_local_var, 5694e8d8bef9SDimitry Andric options::OPT_fno_visibility_inlines_hidden_static_local_var); 56950b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fvisibility_global_new_delete_hidden); 56960b57cec5SDimitry Andric 56970b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_ftlsmodel_EQ); 56980b57cec5SDimitry Andric 5699fe6060f1SDimitry Andric if (Args.hasFlag(options::OPT_fno_operator_names, 5700fe6060f1SDimitry Andric options::OPT_foperator_names, false)) 5701fe6060f1SDimitry Andric CmdArgs.push_back("-fno-operator-names"); 5702fe6060f1SDimitry Andric 57030b57cec5SDimitry Andric // Forward -f (flag) options which we can pass directly. 57040b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_femit_all_decls); 57050b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fheinous_gnu_extensions); 57060b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fdigraphs, options::OPT_fno_digraphs); 57070b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_femulated_tls, 57080b57cec5SDimitry Andric options::OPT_fno_emulated_tls); 57090b57cec5SDimitry Andric 57100b57cec5SDimitry Andric // AltiVec-like language extensions aren't relevant for assembling. 57110b57cec5SDimitry Andric if (!isa<PreprocessJobAction>(JA) || Output.getType() != types::TY_PP_Asm) 57120b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fzvector); 57130b57cec5SDimitry Andric 57140b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_show_template_tree); 57150b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fno_elide_type); 57160b57cec5SDimitry Andric 57170b57cec5SDimitry Andric // Forward flags for OpenMP. We don't do this if the current action is an 57180b57cec5SDimitry Andric // device offloading action other than OpenMP. 57190b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fopenmp, options::OPT_fopenmp_EQ, 57200b57cec5SDimitry Andric options::OPT_fno_openmp, false) && 57210b57cec5SDimitry Andric (JA.isDeviceOffloading(Action::OFK_None) || 57220b57cec5SDimitry Andric JA.isDeviceOffloading(Action::OFK_OpenMP))) { 57230b57cec5SDimitry Andric switch (D.getOpenMPRuntime(Args)) { 57240b57cec5SDimitry Andric case Driver::OMPRT_OMP: 57250b57cec5SDimitry Andric case Driver::OMPRT_IOMP5: 57260b57cec5SDimitry Andric // Clang can generate useful OpenMP code for these two runtime libraries. 57270b57cec5SDimitry Andric CmdArgs.push_back("-fopenmp"); 57280b57cec5SDimitry Andric 57290b57cec5SDimitry Andric // If no option regarding the use of TLS in OpenMP codegeneration is 57300b57cec5SDimitry Andric // given, decide a default based on the target. Otherwise rely on the 57310b57cec5SDimitry Andric // options and pass the right information to the frontend. 57320b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fopenmp_use_tls, 57330b57cec5SDimitry Andric options::OPT_fnoopenmp_use_tls, /*Default=*/true)) 57340b57cec5SDimitry Andric CmdArgs.push_back("-fnoopenmp-use-tls"); 57350b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fopenmp_simd, 57360b57cec5SDimitry Andric options::OPT_fno_openmp_simd); 5737480093f4SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_fopenmp_enable_irbuilder); 57380b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_fopenmp_version_EQ); 57390b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_fopenmp_cuda_number_of_sm_EQ); 57400b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_fopenmp_cuda_blocks_per_sm_EQ); 57410b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, 57420b57cec5SDimitry Andric options::OPT_fopenmp_cuda_teams_reduction_recs_num_EQ); 57430b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fopenmp_optimistic_collapse, 57440b57cec5SDimitry Andric options::OPT_fno_openmp_optimistic_collapse, 57450b57cec5SDimitry Andric /*Default=*/false)) 57460b57cec5SDimitry Andric CmdArgs.push_back("-fopenmp-optimistic-collapse"); 57470b57cec5SDimitry Andric 57480b57cec5SDimitry Andric // When in OpenMP offloading mode with NVPTX target, forward 57490b57cec5SDimitry Andric // cuda-mode flag 57500b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fopenmp_cuda_mode, 57510b57cec5SDimitry Andric options::OPT_fno_openmp_cuda_mode, /*Default=*/false)) 57520b57cec5SDimitry Andric CmdArgs.push_back("-fopenmp-cuda-mode"); 57530b57cec5SDimitry Andric 57540b57cec5SDimitry Andric // When in OpenMP offloading mode with NVPTX target, check if full runtime 57550b57cec5SDimitry Andric // is required. 57560b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fopenmp_cuda_force_full_runtime, 57570b57cec5SDimitry Andric options::OPT_fno_openmp_cuda_force_full_runtime, 57580b57cec5SDimitry Andric /*Default=*/false)) 57590b57cec5SDimitry Andric CmdArgs.push_back("-fopenmp-cuda-force-full-runtime"); 57600b57cec5SDimitry Andric break; 57610b57cec5SDimitry Andric default: 57620b57cec5SDimitry Andric // By default, if Clang doesn't know how to generate useful OpenMP code 57630b57cec5SDimitry Andric // for a specific runtime library, we just don't pass the '-fopenmp' flag 57640b57cec5SDimitry Andric // down to the actual compilation. 57650b57cec5SDimitry Andric // FIXME: It would be better to have a mode which *only* omits IR 57660b57cec5SDimitry Andric // generation based on the OpenMP support so that we get consistent 57670b57cec5SDimitry Andric // semantic analysis, etc. 57680b57cec5SDimitry Andric break; 57690b57cec5SDimitry Andric } 57700b57cec5SDimitry Andric } else { 57710b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fopenmp_simd, 57720b57cec5SDimitry Andric options::OPT_fno_openmp_simd); 57730b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_fopenmp_version_EQ); 57740b57cec5SDimitry Andric } 57750b57cec5SDimitry Andric 57760b57cec5SDimitry Andric const SanitizerArgs &Sanitize = TC.getSanitizerArgs(); 57770b57cec5SDimitry Andric Sanitize.addArgs(TC, Args, CmdArgs, InputType); 57780b57cec5SDimitry Andric 57790b57cec5SDimitry Andric const XRayArgs &XRay = TC.getXRayArgs(); 57800b57cec5SDimitry Andric XRay.addArgs(TC, Args, CmdArgs, InputType); 57810b57cec5SDimitry Andric 5782e8d8bef9SDimitry Andric for (const auto &Filename : 5783e8d8bef9SDimitry Andric Args.getAllArgValues(options::OPT_fprofile_list_EQ)) { 5784e8d8bef9SDimitry Andric if (D.getVFS().exists(Filename)) 5785e8d8bef9SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-fprofile-list=" + Filename)); 5786e8d8bef9SDimitry Andric else 5787e8d8bef9SDimitry Andric D.Diag(clang::diag::err_drv_no_such_file) << Filename; 5788e8d8bef9SDimitry Andric } 5789e8d8bef9SDimitry Andric 5790480093f4SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fpatchable_function_entry_EQ)) { 5791480093f4SDimitry Andric StringRef S0 = A->getValue(), S = S0; 579255e4f9d5SDimitry Andric unsigned Size, Offset = 0; 5793fe6060f1SDimitry Andric if (!Triple.isAArch64() && !Triple.isRISCV() && !Triple.isX86()) 5794480093f4SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 5795480093f4SDimitry Andric << A->getAsString(Args) << TripleStr; 5796480093f4SDimitry Andric else if (S.consumeInteger(10, Size) || 5797480093f4SDimitry Andric (!S.empty() && (!S.consume_front(",") || 579855e4f9d5SDimitry Andric S.consumeInteger(10, Offset) || !S.empty()))) 5799480093f4SDimitry Andric D.Diag(diag::err_drv_invalid_argument_to_option) 5800480093f4SDimitry Andric << S0 << A->getOption().getName(); 580155e4f9d5SDimitry Andric else if (Size < Offset) 5802480093f4SDimitry Andric D.Diag(diag::err_drv_unsupported_fpatchable_function_entry_argument); 580355e4f9d5SDimitry Andric else { 5804480093f4SDimitry Andric CmdArgs.push_back(Args.MakeArgString(A->getSpelling() + Twine(Size))); 580555e4f9d5SDimitry Andric CmdArgs.push_back(Args.MakeArgString( 580655e4f9d5SDimitry Andric "-fpatchable-function-entry-offset=" + Twine(Offset))); 580755e4f9d5SDimitry Andric } 5808480093f4SDimitry Andric } 5809480093f4SDimitry Andric 5810480093f4SDimitry Andric if (TC.SupportsProfiling()) { 58110b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_pg); 58120b57cec5SDimitry Andric 5813480093f4SDimitry Andric llvm::Triple::ArchType Arch = TC.getArch(); 5814480093f4SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mfentry)) { 5815480093f4SDimitry Andric if (Arch == llvm::Triple::systemz || TC.getTriple().isX86()) 5816480093f4SDimitry Andric A->render(Args, CmdArgs); 5817480093f4SDimitry Andric else 5818480093f4SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 5819480093f4SDimitry Andric << A->getAsString(Args) << TripleStr; 5820480093f4SDimitry Andric } 5821480093f4SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mnop_mcount)) { 5822480093f4SDimitry Andric if (Arch == llvm::Triple::systemz) 5823480093f4SDimitry Andric A->render(Args, CmdArgs); 5824480093f4SDimitry Andric else 5825480093f4SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 5826480093f4SDimitry Andric << A->getAsString(Args) << TripleStr; 5827480093f4SDimitry Andric } 5828480093f4SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mrecord_mcount)) { 5829480093f4SDimitry Andric if (Arch == llvm::Triple::systemz) 5830480093f4SDimitry Andric A->render(Args, CmdArgs); 5831480093f4SDimitry Andric else 5832480093f4SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 5833480093f4SDimitry Andric << A->getAsString(Args) << TripleStr; 5834480093f4SDimitry Andric } 5835480093f4SDimitry Andric } 58360b57cec5SDimitry Andric 58370b57cec5SDimitry Andric if (Args.getLastArg(options::OPT_fapple_kext) || 58380b57cec5SDimitry Andric (Args.hasArg(options::OPT_mkernel) && types::isCXX(InputType))) 58390b57cec5SDimitry Andric CmdArgs.push_back("-fapple-kext"); 58400b57cec5SDimitry Andric 5841fe6060f1SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_altivec_src_compat); 5842a7dea167SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_flax_vector_conversions_EQ); 58430b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fobjc_sender_dependent_dispatch); 58440b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_print_source_range_info); 58450b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_parseable_fixits); 58460b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_ftime_report); 5847e8d8bef9SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_ftime_report_EQ); 58480b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_ftime_trace); 5849a7dea167SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_ftime_trace_granularity_EQ); 58500b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_ftrapv); 58510b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_malign_double); 5852480093f4SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fno_temp_file); 58530b57cec5SDimitry Andric 58540b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_ftrapv_handler_EQ)) { 58550b57cec5SDimitry Andric CmdArgs.push_back("-ftrapv-handler"); 58560b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 58570b57cec5SDimitry Andric } 58580b57cec5SDimitry Andric 58590b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_ftrap_function_EQ); 58600b57cec5SDimitry Andric 58610b57cec5SDimitry Andric // -fno-strict-overflow implies -fwrapv if it isn't disabled, but 58620b57cec5SDimitry Andric // -fstrict-overflow won't turn off an explicitly enabled -fwrapv. 58630b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fwrapv, options::OPT_fno_wrapv)) { 58640b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_fwrapv)) 58650b57cec5SDimitry Andric CmdArgs.push_back("-fwrapv"); 58660b57cec5SDimitry Andric } else if (Arg *A = Args.getLastArg(options::OPT_fstrict_overflow, 58670b57cec5SDimitry Andric options::OPT_fno_strict_overflow)) { 58680b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_fno_strict_overflow)) 58690b57cec5SDimitry Andric CmdArgs.push_back("-fwrapv"); 58700b57cec5SDimitry Andric } 58710b57cec5SDimitry Andric 58720b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_freroll_loops, 58730b57cec5SDimitry Andric options::OPT_fno_reroll_loops)) 58740b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_freroll_loops)) 58750b57cec5SDimitry Andric CmdArgs.push_back("-freroll-loops"); 58760b57cec5SDimitry Andric 5877d409305fSDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_ffinite_loops, 5878d409305fSDimitry Andric options::OPT_fno_finite_loops); 5879d409305fSDimitry Andric 58800b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fwritable_strings); 58810b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_funroll_loops, 58820b57cec5SDimitry Andric options::OPT_fno_unroll_loops); 58830b57cec5SDimitry Andric 58840b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_pthread); 58850b57cec5SDimitry Andric 58865ffd83dbSDimitry Andric if (Args.hasFlag(options::OPT_mspeculative_load_hardening, 58875ffd83dbSDimitry Andric options::OPT_mno_speculative_load_hardening, false)) 58880b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-mspeculative-load-hardening")); 58890b57cec5SDimitry Andric 5890e8d8bef9SDimitry Andric RenderSSPOptions(D, TC, Args, CmdArgs, KernelOrKext); 58915ffd83dbSDimitry Andric RenderSCPOptions(TC, Args, CmdArgs); 58920b57cec5SDimitry Andric RenderTrivialAutoVarInitOptions(D, TC, Args, CmdArgs); 58930b57cec5SDimitry Andric 58940b57cec5SDimitry Andric // Translate -mstackrealign 58950b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_mstackrealign, options::OPT_mno_stackrealign, 58960b57cec5SDimitry Andric false)) 58970b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-mstackrealign")); 58980b57cec5SDimitry Andric 58990b57cec5SDimitry Andric if (Args.hasArg(options::OPT_mstack_alignment)) { 59000b57cec5SDimitry Andric StringRef alignment = Args.getLastArgValue(options::OPT_mstack_alignment); 59010b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-mstack-alignment=" + alignment)); 59020b57cec5SDimitry Andric } 59030b57cec5SDimitry Andric 59040b57cec5SDimitry Andric if (Args.hasArg(options::OPT_mstack_probe_size)) { 59050b57cec5SDimitry Andric StringRef Size = Args.getLastArgValue(options::OPT_mstack_probe_size); 59060b57cec5SDimitry Andric 59070b57cec5SDimitry Andric if (!Size.empty()) 59080b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-mstack-probe-size=" + Size)); 59090b57cec5SDimitry Andric else 59100b57cec5SDimitry Andric CmdArgs.push_back("-mstack-probe-size=0"); 59110b57cec5SDimitry Andric } 59120b57cec5SDimitry Andric 59130b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_mstack_arg_probe, 59140b57cec5SDimitry Andric options::OPT_mno_stack_arg_probe, true)) 59150b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-mno-stack-arg-probe")); 59160b57cec5SDimitry Andric 59170b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_mrestrict_it, 59180b57cec5SDimitry Andric options::OPT_mno_restrict_it)) { 59190b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_mrestrict_it)) { 59200b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 59210b57cec5SDimitry Andric CmdArgs.push_back("-arm-restrict-it"); 59220b57cec5SDimitry Andric } else { 59230b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 59240b57cec5SDimitry Andric CmdArgs.push_back("-arm-no-restrict-it"); 59250b57cec5SDimitry Andric } 59260b57cec5SDimitry Andric } else if (Triple.isOSWindows() && 59270b57cec5SDimitry Andric (Triple.getArch() == llvm::Triple::arm || 59280b57cec5SDimitry Andric Triple.getArch() == llvm::Triple::thumb)) { 59290b57cec5SDimitry Andric // Windows on ARM expects restricted IT blocks 59300b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 59310b57cec5SDimitry Andric CmdArgs.push_back("-arm-restrict-it"); 59320b57cec5SDimitry Andric } 59330b57cec5SDimitry Andric 59340b57cec5SDimitry Andric // Forward -cl options to -cc1 5935fe6060f1SDimitry Andric RenderOpenCLOptions(Args, CmdArgs, InputType); 59360b57cec5SDimitry Andric 5937e8d8bef9SDimitry Andric if (IsHIP) { 5938e8d8bef9SDimitry Andric if (Args.hasFlag(options::OPT_fhip_new_launch_api, 59395ffd83dbSDimitry Andric options::OPT_fno_hip_new_launch_api, true)) 5940a7dea167SDimitry Andric CmdArgs.push_back("-fhip-new-launch-api"); 5941e8d8bef9SDimitry Andric if (Args.hasFlag(options::OPT_fgpu_allow_device_init, 5942e8d8bef9SDimitry Andric options::OPT_fno_gpu_allow_device_init, false)) 5943e8d8bef9SDimitry Andric CmdArgs.push_back("-fgpu-allow-device-init"); 5944e8d8bef9SDimitry Andric } 5945e8d8bef9SDimitry Andric 5946e8d8bef9SDimitry Andric if (IsCuda || IsHIP) { 5947fe6060f1SDimitry Andric if (Args.hasFlag(options::OPT_fgpu_rdc, options::OPT_fno_gpu_rdc, false)) 5948fe6060f1SDimitry Andric CmdArgs.push_back("-fgpu-rdc"); 5949e8d8bef9SDimitry Andric if (Args.hasFlag(options::OPT_fgpu_defer_diag, 5950e8d8bef9SDimitry Andric options::OPT_fno_gpu_defer_diag, false)) 5951e8d8bef9SDimitry Andric CmdArgs.push_back("-fgpu-defer-diag"); 5952e8d8bef9SDimitry Andric if (Args.hasFlag(options::OPT_fgpu_exclude_wrong_side_overloads, 5953e8d8bef9SDimitry Andric options::OPT_fno_gpu_exclude_wrong_side_overloads, 5954e8d8bef9SDimitry Andric false)) { 5955e8d8bef9SDimitry Andric CmdArgs.push_back("-fgpu-exclude-wrong-side-overloads"); 5956e8d8bef9SDimitry Andric CmdArgs.push_back("-fgpu-defer-diag"); 5957e8d8bef9SDimitry Andric } 5958e8d8bef9SDimitry Andric } 5959a7dea167SDimitry Andric 59600b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fcf_protection_EQ)) { 59610b57cec5SDimitry Andric CmdArgs.push_back( 59620b57cec5SDimitry Andric Args.MakeArgString(Twine("-fcf-protection=") + A->getValue())); 59630b57cec5SDimitry Andric } 59640b57cec5SDimitry Andric 5965fe6060f1SDimitry Andric // Forward -f options with positive and negative forms; we translate these by 5966fe6060f1SDimitry Andric // hand. Do not propagate PGO options to the GPU-side compilations as the 5967fe6060f1SDimitry Andric // profile info is for the host-side compilation only. 5968fe6060f1SDimitry Andric if (!(IsCudaDevice || IsHIPDevice)) { 59690b57cec5SDimitry Andric if (Arg *A = getLastProfileSampleUseArg(Args)) { 59700b57cec5SDimitry Andric auto *PGOArg = Args.getLastArg( 59710b57cec5SDimitry Andric options::OPT_fprofile_generate, options::OPT_fprofile_generate_EQ, 5972fe6060f1SDimitry Andric options::OPT_fcs_profile_generate, 5973fe6060f1SDimitry Andric options::OPT_fcs_profile_generate_EQ, options::OPT_fprofile_use, 5974fe6060f1SDimitry Andric options::OPT_fprofile_use_EQ); 59750b57cec5SDimitry Andric if (PGOArg) 59760b57cec5SDimitry Andric D.Diag(diag::err_drv_argument_not_allowed_with) 59770b57cec5SDimitry Andric << "SampleUse with PGO options"; 59780b57cec5SDimitry Andric 59790b57cec5SDimitry Andric StringRef fname = A->getValue(); 59800b57cec5SDimitry Andric if (!llvm::sys::fs::exists(fname)) 59810b57cec5SDimitry Andric D.Diag(diag::err_drv_no_such_file) << fname; 59820b57cec5SDimitry Andric else 59830b57cec5SDimitry Andric A->render(Args, CmdArgs); 59840b57cec5SDimitry Andric } 59850b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fprofile_remapping_file_EQ); 59860b57cec5SDimitry Andric 5987e8d8bef9SDimitry Andric if (Args.hasFlag(options::OPT_fpseudo_probe_for_profiling, 5988fe6060f1SDimitry Andric options::OPT_fno_pseudo_probe_for_profiling, false)) { 5989e8d8bef9SDimitry Andric CmdArgs.push_back("-fpseudo-probe-for-profiling"); 5990fe6060f1SDimitry Andric // Enforce -funique-internal-linkage-names if it's not explicitly turned 5991fe6060f1SDimitry Andric // off. 5992fe6060f1SDimitry Andric if (Args.hasFlag(options::OPT_funique_internal_linkage_names, 5993fe6060f1SDimitry Andric options::OPT_fno_unique_internal_linkage_names, true)) 5994fe6060f1SDimitry Andric CmdArgs.push_back("-funique-internal-linkage-names"); 5995fe6060f1SDimitry Andric } 5996fe6060f1SDimitry Andric } 59970b57cec5SDimitry Andric RenderBuiltinOptions(TC, RawTriple, Args, CmdArgs); 59980b57cec5SDimitry Andric 59990b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fassume_sane_operator_new, 60000b57cec5SDimitry Andric options::OPT_fno_assume_sane_operator_new)) 60010b57cec5SDimitry Andric CmdArgs.push_back("-fno-assume-sane-operator-new"); 60020b57cec5SDimitry Andric 60030b57cec5SDimitry Andric // -fblocks=0 is default. 60040b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fblocks, options::OPT_fno_blocks, 60050b57cec5SDimitry Andric TC.IsBlocksDefault()) || 60060b57cec5SDimitry Andric (Args.hasArg(options::OPT_fgnu_runtime) && 60070b57cec5SDimitry Andric Args.hasArg(options::OPT_fobjc_nonfragile_abi) && 60080b57cec5SDimitry Andric !Args.hasArg(options::OPT_fno_blocks))) { 60090b57cec5SDimitry Andric CmdArgs.push_back("-fblocks"); 60100b57cec5SDimitry Andric 60110b57cec5SDimitry Andric if (!Args.hasArg(options::OPT_fgnu_runtime) && !TC.hasBlocksRuntime()) 60120b57cec5SDimitry Andric CmdArgs.push_back("-fblocks-runtime-optional"); 60130b57cec5SDimitry Andric } 60140b57cec5SDimitry Andric 60150b57cec5SDimitry Andric // -fencode-extended-block-signature=1 is default. 60160b57cec5SDimitry Andric if (TC.IsEncodeExtendedBlockSignatureDefault()) 60170b57cec5SDimitry Andric CmdArgs.push_back("-fencode-extended-block-signature"); 60180b57cec5SDimitry Andric 60190b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fcoroutines_ts, options::OPT_fno_coroutines_ts, 60200b57cec5SDimitry Andric false) && 60210b57cec5SDimitry Andric types::isCXX(InputType)) { 60220b57cec5SDimitry Andric CmdArgs.push_back("-fcoroutines-ts"); 60230b57cec5SDimitry Andric } 60240b57cec5SDimitry Andric 60250b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fdouble_square_bracket_attributes, 60260b57cec5SDimitry Andric options::OPT_fno_double_square_bracket_attributes); 60270b57cec5SDimitry Andric 60280b57cec5SDimitry Andric // -faccess-control is default. 60290b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fno_access_control, 60300b57cec5SDimitry Andric options::OPT_faccess_control, false)) 60310b57cec5SDimitry Andric CmdArgs.push_back("-fno-access-control"); 60320b57cec5SDimitry Andric 60330b57cec5SDimitry Andric // -felide-constructors is the default. 60340b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fno_elide_constructors, 60350b57cec5SDimitry Andric options::OPT_felide_constructors, false)) 60360b57cec5SDimitry Andric CmdArgs.push_back("-fno-elide-constructors"); 60370b57cec5SDimitry Andric 60380b57cec5SDimitry Andric ToolChain::RTTIMode RTTIMode = TC.getRTTIMode(); 60390b57cec5SDimitry Andric 60400b57cec5SDimitry Andric if (KernelOrKext || (types::isCXX(InputType) && 60410b57cec5SDimitry Andric (RTTIMode == ToolChain::RM_Disabled))) 60420b57cec5SDimitry Andric CmdArgs.push_back("-fno-rtti"); 60430b57cec5SDimitry Andric 6044e8d8bef9SDimitry Andric // -fshort-enums=0 is default for all architectures except Hexagon and z/OS. 60450b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fshort_enums, options::OPT_fno_short_enums, 6046e8d8bef9SDimitry Andric TC.getArch() == llvm::Triple::hexagon || Triple.isOSzOS())) 60470b57cec5SDimitry Andric CmdArgs.push_back("-fshort-enums"); 60480b57cec5SDimitry Andric 60490b57cec5SDimitry Andric RenderCharacterOptions(Args, AuxTriple ? *AuxTriple : RawTriple, CmdArgs); 60500b57cec5SDimitry Andric 60510b57cec5SDimitry Andric // -fuse-cxa-atexit is default. 60520b57cec5SDimitry Andric if (!Args.hasFlag( 60530b57cec5SDimitry Andric options::OPT_fuse_cxa_atexit, options::OPT_fno_use_cxa_atexit, 60545ffd83dbSDimitry Andric !RawTriple.isOSAIX() && !RawTriple.isOSWindows() && 60550b57cec5SDimitry Andric TC.getArch() != llvm::Triple::xcore && 60560b57cec5SDimitry Andric ((RawTriple.getVendor() != llvm::Triple::MipsTechnologies) || 60570b57cec5SDimitry Andric RawTriple.hasEnvironment())) || 60580b57cec5SDimitry Andric KernelOrKext) 60590b57cec5SDimitry Andric CmdArgs.push_back("-fno-use-cxa-atexit"); 60600b57cec5SDimitry Andric 60610b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fregister_global_dtors_with_atexit, 60620b57cec5SDimitry Andric options::OPT_fno_register_global_dtors_with_atexit, 60630b57cec5SDimitry Andric RawTriple.isOSDarwin() && !KernelOrKext)) 60640b57cec5SDimitry Andric CmdArgs.push_back("-fregister-global-dtors-with-atexit"); 60650b57cec5SDimitry Andric 60660b57cec5SDimitry Andric // -fno-use-line-directives is default. 60670b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fuse_line_directives, 60680b57cec5SDimitry Andric options::OPT_fno_use_line_directives, false)) 60690b57cec5SDimitry Andric CmdArgs.push_back("-fuse-line-directives"); 60700b57cec5SDimitry Andric 6071fe6060f1SDimitry Andric // -fno-minimize-whitespace is default. 6072fe6060f1SDimitry Andric if (Args.hasFlag(options::OPT_fminimize_whitespace, 6073fe6060f1SDimitry Andric options::OPT_fno_minimize_whitespace, false)) { 6074fe6060f1SDimitry Andric types::ID InputType = Inputs[0].getType(); 6075fe6060f1SDimitry Andric if (!isDerivedFromC(InputType)) 6076fe6060f1SDimitry Andric D.Diag(diag::err_drv_minws_unsupported_input_type) 6077fe6060f1SDimitry Andric << types::getTypeName(InputType); 6078fe6060f1SDimitry Andric CmdArgs.push_back("-fminimize-whitespace"); 6079fe6060f1SDimitry Andric } 6080fe6060f1SDimitry Andric 60815ffd83dbSDimitry Andric // -fms-extensions=0 is default. 60825ffd83dbSDimitry Andric if (Args.hasFlag(options::OPT_fms_extensions, options::OPT_fno_ms_extensions, 60835ffd83dbSDimitry Andric IsWindowsMSVC)) 60845ffd83dbSDimitry Andric CmdArgs.push_back("-fms-extensions"); 60855ffd83dbSDimitry Andric 60860b57cec5SDimitry Andric // -fms-compatibility=0 is default. 6087a7dea167SDimitry Andric bool IsMSVCCompat = Args.hasFlag( 6088a7dea167SDimitry Andric options::OPT_fms_compatibility, options::OPT_fno_ms_compatibility, 6089a7dea167SDimitry Andric (IsWindowsMSVC && Args.hasFlag(options::OPT_fms_extensions, 6090a7dea167SDimitry Andric options::OPT_fno_ms_extensions, true))); 6091a7dea167SDimitry Andric if (IsMSVCCompat) 60920b57cec5SDimitry Andric CmdArgs.push_back("-fms-compatibility"); 60930b57cec5SDimitry Andric 6094a7dea167SDimitry Andric // Handle -fgcc-version, if present. 6095a7dea167SDimitry Andric VersionTuple GNUCVer; 6096a7dea167SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fgnuc_version_EQ)) { 6097a7dea167SDimitry Andric // Check that the version has 1 to 3 components and the minor and patch 6098a7dea167SDimitry Andric // versions fit in two decimal digits. 6099a7dea167SDimitry Andric StringRef Val = A->getValue(); 6100a7dea167SDimitry Andric Val = Val.empty() ? "0" : Val; // Treat "" as 0 or disable. 6101a7dea167SDimitry Andric bool Invalid = GNUCVer.tryParse(Val); 6102a7dea167SDimitry Andric unsigned Minor = GNUCVer.getMinor().getValueOr(0); 6103a7dea167SDimitry Andric unsigned Patch = GNUCVer.getSubminor().getValueOr(0); 6104a7dea167SDimitry Andric if (Invalid || GNUCVer.getBuild() || Minor >= 100 || Patch >= 100) { 6105a7dea167SDimitry Andric D.Diag(diag::err_drv_invalid_value) 6106a7dea167SDimitry Andric << A->getAsString(Args) << A->getValue(); 6107a7dea167SDimitry Andric } 6108a7dea167SDimitry Andric } else if (!IsMSVCCompat) { 6109a7dea167SDimitry Andric // Imitate GCC 4.2.1 by default if -fms-compatibility is not in effect. 6110a7dea167SDimitry Andric GNUCVer = VersionTuple(4, 2, 1); 6111a7dea167SDimitry Andric } 6112a7dea167SDimitry Andric if (!GNUCVer.empty()) { 6113a7dea167SDimitry Andric CmdArgs.push_back( 6114a7dea167SDimitry Andric Args.MakeArgString("-fgnuc-version=" + GNUCVer.getAsString())); 6115a7dea167SDimitry Andric } 6116a7dea167SDimitry Andric 61170b57cec5SDimitry Andric VersionTuple MSVT = TC.computeMSVCVersion(&D, Args); 61180b57cec5SDimitry Andric if (!MSVT.empty()) 61190b57cec5SDimitry Andric CmdArgs.push_back( 61200b57cec5SDimitry Andric Args.MakeArgString("-fms-compatibility-version=" + MSVT.getAsString())); 61210b57cec5SDimitry Andric 61220b57cec5SDimitry Andric bool IsMSVC2015Compatible = MSVT.getMajor() >= 19; 6123fe6060f1SDimitry Andric if (ImplyVCPPCVer) { 6124fe6060f1SDimitry Andric StringRef LanguageStandard; 6125fe6060f1SDimitry Andric if (const Arg *StdArg = Args.getLastArg(options::OPT__SLASH_std)) { 6126fe6060f1SDimitry Andric Std = StdArg; 6127fe6060f1SDimitry Andric LanguageStandard = llvm::StringSwitch<StringRef>(StdArg->getValue()) 6128fe6060f1SDimitry Andric .Case("c11", "-std=c11") 6129fe6060f1SDimitry Andric .Case("c17", "-std=c17") 6130fe6060f1SDimitry Andric .Default(""); 6131fe6060f1SDimitry Andric if (LanguageStandard.empty()) 6132fe6060f1SDimitry Andric D.Diag(clang::diag::warn_drv_unused_argument) 6133fe6060f1SDimitry Andric << StdArg->getAsString(Args); 6134fe6060f1SDimitry Andric } 6135fe6060f1SDimitry Andric CmdArgs.push_back(LanguageStandard.data()); 6136fe6060f1SDimitry Andric } 61370b57cec5SDimitry Andric if (ImplyVCPPCXXVer) { 61380b57cec5SDimitry Andric StringRef LanguageStandard; 61390b57cec5SDimitry Andric if (const Arg *StdArg = Args.getLastArg(options::OPT__SLASH_std)) { 61400b57cec5SDimitry Andric Std = StdArg; 61410b57cec5SDimitry Andric LanguageStandard = llvm::StringSwitch<StringRef>(StdArg->getValue()) 61420b57cec5SDimitry Andric .Case("c++14", "-std=c++14") 61430b57cec5SDimitry Andric .Case("c++17", "-std=c++17") 6144fe6060f1SDimitry Andric .Case("c++20", "-std=c++20") 6145fe6060f1SDimitry Andric .Case("c++latest", "-std=c++2b") 61460b57cec5SDimitry Andric .Default(""); 61470b57cec5SDimitry Andric if (LanguageStandard.empty()) 61480b57cec5SDimitry Andric D.Diag(clang::diag::warn_drv_unused_argument) 61490b57cec5SDimitry Andric << StdArg->getAsString(Args); 61500b57cec5SDimitry Andric } 61510b57cec5SDimitry Andric 61520b57cec5SDimitry Andric if (LanguageStandard.empty()) { 61530b57cec5SDimitry Andric if (IsMSVC2015Compatible) 61540b57cec5SDimitry Andric LanguageStandard = "-std=c++14"; 61550b57cec5SDimitry Andric else 61560b57cec5SDimitry Andric LanguageStandard = "-std=c++11"; 61570b57cec5SDimitry Andric } 61580b57cec5SDimitry Andric 61590b57cec5SDimitry Andric CmdArgs.push_back(LanguageStandard.data()); 61600b57cec5SDimitry Andric } 61610b57cec5SDimitry Andric 61620b57cec5SDimitry Andric // -fno-borland-extensions is default. 61630b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fborland_extensions, 61640b57cec5SDimitry Andric options::OPT_fno_borland_extensions, false)) 61650b57cec5SDimitry Andric CmdArgs.push_back("-fborland-extensions"); 61660b57cec5SDimitry Andric 61670b57cec5SDimitry Andric // -fno-declspec is default, except for PS4. 61680b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fdeclspec, options::OPT_fno_declspec, 61690b57cec5SDimitry Andric RawTriple.isPS4())) 61700b57cec5SDimitry Andric CmdArgs.push_back("-fdeclspec"); 61710b57cec5SDimitry Andric else if (Args.hasArg(options::OPT_fno_declspec)) 61720b57cec5SDimitry Andric CmdArgs.push_back("-fno-declspec"); // Explicitly disabling __declspec. 61730b57cec5SDimitry Andric 61740b57cec5SDimitry Andric // -fthreadsafe-static is default, except for MSVC compatibility versions less 61750b57cec5SDimitry Andric // than 19. 61760b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fthreadsafe_statics, 61770b57cec5SDimitry Andric options::OPT_fno_threadsafe_statics, 61780b57cec5SDimitry Andric !IsWindowsMSVC || IsMSVC2015Compatible)) 61790b57cec5SDimitry Andric CmdArgs.push_back("-fno-threadsafe-statics"); 61800b57cec5SDimitry Andric 61810b57cec5SDimitry Andric // -fno-delayed-template-parsing is default, except when targeting MSVC. 61820b57cec5SDimitry Andric // Many old Windows SDK versions require this to parse. 61830b57cec5SDimitry Andric // FIXME: MSVC introduced /Zc:twoPhase- to disable this behavior in their 61840b57cec5SDimitry Andric // compiler. We should be able to disable this by default at some point. 61850b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fdelayed_template_parsing, 61860b57cec5SDimitry Andric options::OPT_fno_delayed_template_parsing, IsWindowsMSVC)) 61870b57cec5SDimitry Andric CmdArgs.push_back("-fdelayed-template-parsing"); 61880b57cec5SDimitry Andric 61890b57cec5SDimitry Andric // -fgnu-keywords default varies depending on language; only pass if 61900b57cec5SDimitry Andric // specified. 61910b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fgnu_keywords, 61920b57cec5SDimitry Andric options::OPT_fno_gnu_keywords); 61930b57cec5SDimitry Andric 61940b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fgnu89_inline, options::OPT_fno_gnu89_inline, 61950b57cec5SDimitry Andric false)) 61960b57cec5SDimitry Andric CmdArgs.push_back("-fgnu89-inline"); 61970b57cec5SDimitry Andric 61980b57cec5SDimitry Andric if (Args.hasArg(options::OPT_fno_inline)) 61990b57cec5SDimitry Andric CmdArgs.push_back("-fno-inline"); 62000b57cec5SDimitry Andric 62010b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_finline_functions, 62020b57cec5SDimitry Andric options::OPT_finline_hint_functions, 62030b57cec5SDimitry Andric options::OPT_fno_inline_functions); 62040b57cec5SDimitry Andric 62050b57cec5SDimitry Andric // FIXME: Find a better way to determine whether the language has modules 62060b57cec5SDimitry Andric // support by default, or just assume that all languages do. 62070b57cec5SDimitry Andric bool HaveModules = 6208e8d8bef9SDimitry Andric Std && (Std->containsValue("c++2a") || Std->containsValue("c++20") || 6209e8d8bef9SDimitry Andric Std->containsValue("c++latest")); 62100b57cec5SDimitry Andric RenderModulesOptions(C, D, Args, Input, Output, CmdArgs, HaveModules); 62110b57cec5SDimitry Andric 6212a7dea167SDimitry Andric if (Args.hasFlag(options::OPT_fpch_validate_input_files_content, 6213a7dea167SDimitry Andric options::OPT_fno_pch_validate_input_files_content, false)) 6214a7dea167SDimitry Andric CmdArgs.push_back("-fvalidate-ast-input-files-content"); 62155ffd83dbSDimitry Andric if (Args.hasFlag(options::OPT_fpch_instantiate_templates, 62165ffd83dbSDimitry Andric options::OPT_fno_pch_instantiate_templates, false)) 62175ffd83dbSDimitry Andric CmdArgs.push_back("-fpch-instantiate-templates"); 6218590d96feSDimitry Andric if (Args.hasFlag(options::OPT_fpch_codegen, options::OPT_fno_pch_codegen, 6219590d96feSDimitry Andric false)) 6220590d96feSDimitry Andric CmdArgs.push_back("-fmodules-codegen"); 6221590d96feSDimitry Andric if (Args.hasFlag(options::OPT_fpch_debuginfo, options::OPT_fno_pch_debuginfo, 6222590d96feSDimitry Andric false)) 6223590d96feSDimitry Andric CmdArgs.push_back("-fmodules-debuginfo"); 6224a7dea167SDimitry Andric 6225e8d8bef9SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_flegacy_pass_manager, 6226e8d8bef9SDimitry Andric options::OPT_fno_legacy_pass_manager); 62270b57cec5SDimitry Andric 62285ffd83dbSDimitry Andric ObjCRuntime Runtime = AddObjCRuntimeArgs(Args, Inputs, CmdArgs, rewriteKind); 62290b57cec5SDimitry Andric RenderObjCOptions(TC, D, RawTriple, Args, Runtime, rewriteKind != RK_None, 62300b57cec5SDimitry Andric Input, CmdArgs); 62310b57cec5SDimitry Andric 6232fe6060f1SDimitry Andric if (types::isObjC(Input.getType()) && 6233fe6060f1SDimitry Andric Args.hasFlag(options::OPT_fobjc_encode_cxx_class_template_spec, 6234fe6060f1SDimitry Andric options::OPT_fno_objc_encode_cxx_class_template_spec, 6235fe6060f1SDimitry Andric !Runtime.isNeXTFamily())) 6236fe6060f1SDimitry Andric CmdArgs.push_back("-fobjc-encode-cxx-class-template-spec"); 6237fe6060f1SDimitry Andric 62380b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fapplication_extension, 62390b57cec5SDimitry Andric options::OPT_fno_application_extension, false)) 62400b57cec5SDimitry Andric CmdArgs.push_back("-fapplication-extension"); 62410b57cec5SDimitry Andric 62420b57cec5SDimitry Andric // Handle GCC-style exception args. 6243fe6060f1SDimitry Andric bool EH = false; 62440b57cec5SDimitry Andric if (!C.getDriver().IsCLMode()) 6245fe6060f1SDimitry Andric EH = addExceptionArgs(Args, InputType, TC, KernelOrKext, Runtime, CmdArgs); 62460b57cec5SDimitry Andric 62470b57cec5SDimitry Andric // Handle exception personalities 6248a7dea167SDimitry Andric Arg *A = Args.getLastArg( 6249a7dea167SDimitry Andric options::OPT_fsjlj_exceptions, options::OPT_fseh_exceptions, 6250a7dea167SDimitry Andric options::OPT_fdwarf_exceptions, options::OPT_fwasm_exceptions); 62510b57cec5SDimitry Andric if (A) { 62520b57cec5SDimitry Andric const Option &Opt = A->getOption(); 62530b57cec5SDimitry Andric if (Opt.matches(options::OPT_fsjlj_exceptions)) 6254e8d8bef9SDimitry Andric CmdArgs.push_back("-exception-model=sjlj"); 62550b57cec5SDimitry Andric if (Opt.matches(options::OPT_fseh_exceptions)) 6256e8d8bef9SDimitry Andric CmdArgs.push_back("-exception-model=seh"); 62570b57cec5SDimitry Andric if (Opt.matches(options::OPT_fdwarf_exceptions)) 6258e8d8bef9SDimitry Andric CmdArgs.push_back("-exception-model=dwarf"); 6259a7dea167SDimitry Andric if (Opt.matches(options::OPT_fwasm_exceptions)) 6260e8d8bef9SDimitry Andric CmdArgs.push_back("-exception-model=wasm"); 62610b57cec5SDimitry Andric } else { 62620b57cec5SDimitry Andric switch (TC.GetExceptionModel(Args)) { 62630b57cec5SDimitry Andric default: 62640b57cec5SDimitry Andric break; 62650b57cec5SDimitry Andric case llvm::ExceptionHandling::DwarfCFI: 6266e8d8bef9SDimitry Andric CmdArgs.push_back("-exception-model=dwarf"); 62670b57cec5SDimitry Andric break; 62680b57cec5SDimitry Andric case llvm::ExceptionHandling::SjLj: 6269e8d8bef9SDimitry Andric CmdArgs.push_back("-exception-model=sjlj"); 62700b57cec5SDimitry Andric break; 62710b57cec5SDimitry Andric case llvm::ExceptionHandling::WinEH: 6272e8d8bef9SDimitry Andric CmdArgs.push_back("-exception-model=seh"); 62730b57cec5SDimitry Andric break; 62740b57cec5SDimitry Andric } 62750b57cec5SDimitry Andric } 62760b57cec5SDimitry Andric 62770b57cec5SDimitry Andric // C++ "sane" operator new. 62780b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fassume_sane_operator_new, 62790b57cec5SDimitry Andric options::OPT_fno_assume_sane_operator_new)) 62800b57cec5SDimitry Andric CmdArgs.push_back("-fno-assume-sane-operator-new"); 62810b57cec5SDimitry Andric 62820b57cec5SDimitry Andric // -frelaxed-template-template-args is off by default, as it is a severe 62830b57cec5SDimitry Andric // breaking change until a corresponding change to template partial ordering 62840b57cec5SDimitry Andric // is provided. 62850b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_frelaxed_template_template_args, 62860b57cec5SDimitry Andric options::OPT_fno_relaxed_template_template_args, false)) 62870b57cec5SDimitry Andric CmdArgs.push_back("-frelaxed-template-template-args"); 62880b57cec5SDimitry Andric 62890b57cec5SDimitry Andric // -fsized-deallocation is off by default, as it is an ABI-breaking change for 62900b57cec5SDimitry Andric // most platforms. 62910b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fsized_deallocation, 62920b57cec5SDimitry Andric options::OPT_fno_sized_deallocation, false)) 62930b57cec5SDimitry Andric CmdArgs.push_back("-fsized-deallocation"); 62940b57cec5SDimitry Andric 62950b57cec5SDimitry Andric // -faligned-allocation is on by default in C++17 onwards and otherwise off 62960b57cec5SDimitry Andric // by default. 62970b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_faligned_allocation, 62980b57cec5SDimitry Andric options::OPT_fno_aligned_allocation, 62990b57cec5SDimitry Andric options::OPT_faligned_new_EQ)) { 63000b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_fno_aligned_allocation)) 63010b57cec5SDimitry Andric CmdArgs.push_back("-fno-aligned-allocation"); 63020b57cec5SDimitry Andric else 63030b57cec5SDimitry Andric CmdArgs.push_back("-faligned-allocation"); 63040b57cec5SDimitry Andric } 63050b57cec5SDimitry Andric 63060b57cec5SDimitry Andric // The default new alignment can be specified using a dedicated option or via 63070b57cec5SDimitry Andric // a GCC-compatible option that also turns on aligned allocation. 63080b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fnew_alignment_EQ, 63090b57cec5SDimitry Andric options::OPT_faligned_new_EQ)) 63100b57cec5SDimitry Andric CmdArgs.push_back( 63110b57cec5SDimitry Andric Args.MakeArgString(Twine("-fnew-alignment=") + A->getValue())); 63120b57cec5SDimitry Andric 63130b57cec5SDimitry Andric // -fconstant-cfstrings is default, and may be subject to argument translation 63140b57cec5SDimitry Andric // on Darwin. 63150b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fconstant_cfstrings, 63160b57cec5SDimitry Andric options::OPT_fno_constant_cfstrings) || 63170b57cec5SDimitry Andric !Args.hasFlag(options::OPT_mconstant_cfstrings, 63180b57cec5SDimitry Andric options::OPT_mno_constant_cfstrings)) 63190b57cec5SDimitry Andric CmdArgs.push_back("-fno-constant-cfstrings"); 63200b57cec5SDimitry Andric 63210b57cec5SDimitry Andric // -fno-pascal-strings is default, only pass non-default. 63220b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fpascal_strings, 63230b57cec5SDimitry Andric options::OPT_fno_pascal_strings, false)) 63240b57cec5SDimitry Andric CmdArgs.push_back("-fpascal-strings"); 63250b57cec5SDimitry Andric 63260b57cec5SDimitry Andric // Honor -fpack-struct= and -fpack-struct, if given. Note that 63270b57cec5SDimitry Andric // -fno-pack-struct doesn't apply to -fpack-struct=. 63280b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fpack_struct_EQ)) { 63290b57cec5SDimitry Andric std::string PackStructStr = "-fpack-struct="; 63300b57cec5SDimitry Andric PackStructStr += A->getValue(); 63310b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(PackStructStr)); 63320b57cec5SDimitry Andric } else if (Args.hasFlag(options::OPT_fpack_struct, 63330b57cec5SDimitry Andric options::OPT_fno_pack_struct, false)) { 63340b57cec5SDimitry Andric CmdArgs.push_back("-fpack-struct=1"); 63350b57cec5SDimitry Andric } 63360b57cec5SDimitry Andric 63370b57cec5SDimitry Andric // Handle -fmax-type-align=N and -fno-type-align 63380b57cec5SDimitry Andric bool SkipMaxTypeAlign = Args.hasArg(options::OPT_fno_max_type_align); 63390b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fmax_type_align_EQ)) { 63400b57cec5SDimitry Andric if (!SkipMaxTypeAlign) { 63410b57cec5SDimitry Andric std::string MaxTypeAlignStr = "-fmax-type-align="; 63420b57cec5SDimitry Andric MaxTypeAlignStr += A->getValue(); 63430b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(MaxTypeAlignStr)); 63440b57cec5SDimitry Andric } 63450b57cec5SDimitry Andric } else if (RawTriple.isOSDarwin()) { 63460b57cec5SDimitry Andric if (!SkipMaxTypeAlign) { 63470b57cec5SDimitry Andric std::string MaxTypeAlignStr = "-fmax-type-align=16"; 63480b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(MaxTypeAlignStr)); 63490b57cec5SDimitry Andric } 63500b57cec5SDimitry Andric } 63510b57cec5SDimitry Andric 63520b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_Qy, options::OPT_Qn, true)) 63530b57cec5SDimitry Andric CmdArgs.push_back("-Qn"); 63540b57cec5SDimitry Andric 63555ffd83dbSDimitry Andric // -fno-common is the default, set -fcommon only when that flag is set. 63565ffd83dbSDimitry Andric if (Args.hasFlag(options::OPT_fcommon, options::OPT_fno_common, false)) 63575ffd83dbSDimitry Andric CmdArgs.push_back("-fcommon"); 63580b57cec5SDimitry Andric 63590b57cec5SDimitry Andric // -fsigned-bitfields is default, and clang doesn't yet support 63600b57cec5SDimitry Andric // -funsigned-bitfields. 63610b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fsigned_bitfields, 63620b57cec5SDimitry Andric options::OPT_funsigned_bitfields)) 63630b57cec5SDimitry Andric D.Diag(diag::warn_drv_clang_unsupported) 63640b57cec5SDimitry Andric << Args.getLastArg(options::OPT_funsigned_bitfields)->getAsString(Args); 63650b57cec5SDimitry Andric 63660b57cec5SDimitry Andric // -fsigned-bitfields is default, and clang doesn't support -fno-for-scope. 63670b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_ffor_scope, options::OPT_fno_for_scope)) 63680b57cec5SDimitry Andric D.Diag(diag::err_drv_clang_unsupported) 63690b57cec5SDimitry Andric << Args.getLastArg(options::OPT_fno_for_scope)->getAsString(Args); 63700b57cec5SDimitry Andric 63710b57cec5SDimitry Andric // -finput_charset=UTF-8 is default. Reject others 63720b57cec5SDimitry Andric if (Arg *inputCharset = Args.getLastArg(options::OPT_finput_charset_EQ)) { 63730b57cec5SDimitry Andric StringRef value = inputCharset->getValue(); 6374fe6060f1SDimitry Andric if (!value.equals_insensitive("utf-8")) 63750b57cec5SDimitry Andric D.Diag(diag::err_drv_invalid_value) << inputCharset->getAsString(Args) 63760b57cec5SDimitry Andric << value; 63770b57cec5SDimitry Andric } 63780b57cec5SDimitry Andric 63790b57cec5SDimitry Andric // -fexec_charset=UTF-8 is default. Reject others 63800b57cec5SDimitry Andric if (Arg *execCharset = Args.getLastArg(options::OPT_fexec_charset_EQ)) { 63810b57cec5SDimitry Andric StringRef value = execCharset->getValue(); 6382fe6060f1SDimitry Andric if (!value.equals_insensitive("utf-8")) 63830b57cec5SDimitry Andric D.Diag(diag::err_drv_invalid_value) << execCharset->getAsString(Args) 63840b57cec5SDimitry Andric << value; 63850b57cec5SDimitry Andric } 63860b57cec5SDimitry Andric 63870b57cec5SDimitry Andric RenderDiagnosticsOptions(D, Args, CmdArgs); 63880b57cec5SDimitry Andric 63890b57cec5SDimitry Andric // -fno-asm-blocks is default. 63900b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fasm_blocks, options::OPT_fno_asm_blocks, 63910b57cec5SDimitry Andric false)) 63920b57cec5SDimitry Andric CmdArgs.push_back("-fasm-blocks"); 63930b57cec5SDimitry Andric 63940b57cec5SDimitry Andric // -fgnu-inline-asm is default. 63950b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fgnu_inline_asm, 63960b57cec5SDimitry Andric options::OPT_fno_gnu_inline_asm, true)) 63970b57cec5SDimitry Andric CmdArgs.push_back("-fno-gnu-inline-asm"); 63980b57cec5SDimitry Andric 63990b57cec5SDimitry Andric // Enable vectorization per default according to the optimization level 64000b57cec5SDimitry Andric // selected. For optimization levels that want vectorization we use the alias 64010b57cec5SDimitry Andric // option to simplify the hasFlag logic. 64020b57cec5SDimitry Andric bool EnableVec = shouldEnableVectorizerAtOLevel(Args, false); 64030b57cec5SDimitry Andric OptSpecifier VectorizeAliasOption = 64040b57cec5SDimitry Andric EnableVec ? options::OPT_O_Group : options::OPT_fvectorize; 64050b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fvectorize, VectorizeAliasOption, 64060b57cec5SDimitry Andric options::OPT_fno_vectorize, EnableVec)) 64070b57cec5SDimitry Andric CmdArgs.push_back("-vectorize-loops"); 64080b57cec5SDimitry Andric 64090b57cec5SDimitry Andric // -fslp-vectorize is enabled based on the optimization level selected. 64100b57cec5SDimitry Andric bool EnableSLPVec = shouldEnableVectorizerAtOLevel(Args, true); 64110b57cec5SDimitry Andric OptSpecifier SLPVectAliasOption = 64120b57cec5SDimitry Andric EnableSLPVec ? options::OPT_O_Group : options::OPT_fslp_vectorize; 64130b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fslp_vectorize, SLPVectAliasOption, 64140b57cec5SDimitry Andric options::OPT_fno_slp_vectorize, EnableSLPVec)) 64150b57cec5SDimitry Andric CmdArgs.push_back("-vectorize-slp"); 64160b57cec5SDimitry Andric 64170b57cec5SDimitry Andric ParseMPreferVectorWidth(D, Args, CmdArgs); 64180b57cec5SDimitry Andric 64190b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fshow_overloads_EQ); 64200b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, 64210b57cec5SDimitry Andric options::OPT_fsanitize_undefined_strip_path_components_EQ); 64220b57cec5SDimitry Andric 64230b57cec5SDimitry Andric // -fdollars-in-identifiers default varies depending on platform and 64240b57cec5SDimitry Andric // language; only pass if specified. 64250b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fdollars_in_identifiers, 64260b57cec5SDimitry Andric options::OPT_fno_dollars_in_identifiers)) { 64270b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_fdollars_in_identifiers)) 64280b57cec5SDimitry Andric CmdArgs.push_back("-fdollars-in-identifiers"); 64290b57cec5SDimitry Andric else 64300b57cec5SDimitry Andric CmdArgs.push_back("-fno-dollars-in-identifiers"); 64310b57cec5SDimitry Andric } 64320b57cec5SDimitry Andric 64330b57cec5SDimitry Andric // -funit-at-a-time is default, and we don't support -fno-unit-at-a-time for 64340b57cec5SDimitry Andric // practical purposes. 64350b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_funit_at_a_time, 64360b57cec5SDimitry Andric options::OPT_fno_unit_at_a_time)) { 64370b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_fno_unit_at_a_time)) 64380b57cec5SDimitry Andric D.Diag(diag::warn_drv_clang_unsupported) << A->getAsString(Args); 64390b57cec5SDimitry Andric } 64400b57cec5SDimitry Andric 64410b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fapple_pragma_pack, 64420b57cec5SDimitry Andric options::OPT_fno_apple_pragma_pack, false)) 64430b57cec5SDimitry Andric CmdArgs.push_back("-fapple-pragma-pack"); 64440b57cec5SDimitry Andric 6445e8d8bef9SDimitry Andric if (Args.hasFlag(options::OPT_fxl_pragma_pack, 6446e8d8bef9SDimitry Andric options::OPT_fno_xl_pragma_pack, RawTriple.isOSAIX())) 6447e8d8bef9SDimitry Andric CmdArgs.push_back("-fxl-pragma-pack"); 6448e8d8bef9SDimitry Andric 64490b57cec5SDimitry Andric // Remarks can be enabled with any of the `-f.*optimization-record.*` flags. 6450480093f4SDimitry Andric if (willEmitRemarks(Args) && checkRemarksOptions(D, Args, Triple)) 6451480093f4SDimitry Andric renderRemarksOptions(Args, CmdArgs, Triple, Input, Output, JA); 64520b57cec5SDimitry Andric 64530b57cec5SDimitry Andric bool RewriteImports = Args.hasFlag(options::OPT_frewrite_imports, 64540b57cec5SDimitry Andric options::OPT_fno_rewrite_imports, false); 64550b57cec5SDimitry Andric if (RewriteImports) 64560b57cec5SDimitry Andric CmdArgs.push_back("-frewrite-imports"); 64570b57cec5SDimitry Andric 64580b57cec5SDimitry Andric // Enable rewrite includes if the user's asked for it or if we're generating 64590b57cec5SDimitry Andric // diagnostics. 64600b57cec5SDimitry Andric // TODO: Once -module-dependency-dir works with -frewrite-includes it'd be 64610b57cec5SDimitry Andric // nice to enable this when doing a crashdump for modules as well. 64620b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_frewrite_includes, 64630b57cec5SDimitry Andric options::OPT_fno_rewrite_includes, false) || 64640b57cec5SDimitry Andric (C.isForDiagnostics() && !HaveModules)) 64650b57cec5SDimitry Andric CmdArgs.push_back("-frewrite-includes"); 64660b57cec5SDimitry Andric 64670b57cec5SDimitry Andric // Only allow -traditional or -traditional-cpp outside in preprocessing modes. 64680b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_traditional, 64690b57cec5SDimitry Andric options::OPT_traditional_cpp)) { 64700b57cec5SDimitry Andric if (isa<PreprocessJobAction>(JA)) 64710b57cec5SDimitry Andric CmdArgs.push_back("-traditional-cpp"); 64720b57cec5SDimitry Andric else 64730b57cec5SDimitry Andric D.Diag(diag::err_drv_clang_unsupported) << A->getAsString(Args); 64740b57cec5SDimitry Andric } 64750b57cec5SDimitry Andric 64760b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_dM); 64770b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_dD); 64780b57cec5SDimitry Andric 64795ffd83dbSDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_fmax_tokens_EQ); 64805ffd83dbSDimitry Andric 64810b57cec5SDimitry Andric // Handle serialized diagnostics. 64820b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT__serialize_diags)) { 64830b57cec5SDimitry Andric CmdArgs.push_back("-serialize-diagnostic-file"); 64840b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(A->getValue())); 64850b57cec5SDimitry Andric } 64860b57cec5SDimitry Andric 64870b57cec5SDimitry Andric if (Args.hasArg(options::OPT_fretain_comments_from_system_headers)) 64880b57cec5SDimitry Andric CmdArgs.push_back("-fretain-comments-from-system-headers"); 64890b57cec5SDimitry Andric 64900b57cec5SDimitry Andric // Forward -fcomment-block-commands to -cc1. 64910b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_fcomment_block_commands); 64920b57cec5SDimitry Andric // Forward -fparse-all-comments to -cc1. 64930b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_fparse_all_comments); 64940b57cec5SDimitry Andric 64950b57cec5SDimitry Andric // Turn -fplugin=name.so into -load name.so 64960b57cec5SDimitry Andric for (const Arg *A : Args.filtered(options::OPT_fplugin_EQ)) { 64970b57cec5SDimitry Andric CmdArgs.push_back("-load"); 64980b57cec5SDimitry Andric CmdArgs.push_back(A->getValue()); 64990b57cec5SDimitry Andric A->claim(); 65000b57cec5SDimitry Andric } 65010b57cec5SDimitry Andric 65020b57cec5SDimitry Andric // Forward -fpass-plugin=name.so to -cc1. 65030b57cec5SDimitry Andric for (const Arg *A : Args.filtered(options::OPT_fpass_plugin_EQ)) { 65040b57cec5SDimitry Andric CmdArgs.push_back( 65050b57cec5SDimitry Andric Args.MakeArgString(Twine("-fpass-plugin=") + A->getValue())); 65060b57cec5SDimitry Andric A->claim(); 65070b57cec5SDimitry Andric } 65080b57cec5SDimitry Andric 65090b57cec5SDimitry Andric // Setup statistics file output. 65100b57cec5SDimitry Andric SmallString<128> StatsFile = getStatsFileName(Args, Output, Input, D); 65110b57cec5SDimitry Andric if (!StatsFile.empty()) 65120b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Twine("-stats-file=") + StatsFile)); 65130b57cec5SDimitry Andric 65140b57cec5SDimitry Andric // Forward -Xclang arguments to -cc1, and -mllvm arguments to the LLVM option 65150b57cec5SDimitry Andric // parser. 65160b57cec5SDimitry Andric // -finclude-default-header flag is for preprocessor, 65170b57cec5SDimitry Andric // do not pass it to other cc1 commands when save-temps is enabled 65180b57cec5SDimitry Andric if (C.getDriver().isSaveTempsEnabled() && 65190b57cec5SDimitry Andric !isa<PreprocessJobAction>(JA)) { 65200b57cec5SDimitry Andric for (auto Arg : Args.filtered(options::OPT_Xclang)) { 65210b57cec5SDimitry Andric Arg->claim(); 65220b57cec5SDimitry Andric if (StringRef(Arg->getValue()) != "-finclude-default-header") 65230b57cec5SDimitry Andric CmdArgs.push_back(Arg->getValue()); 65240b57cec5SDimitry Andric } 65250b57cec5SDimitry Andric } 65260b57cec5SDimitry Andric else { 65270b57cec5SDimitry Andric Args.AddAllArgValues(CmdArgs, options::OPT_Xclang); 65280b57cec5SDimitry Andric } 65290b57cec5SDimitry Andric for (const Arg *A : Args.filtered(options::OPT_mllvm)) { 65300b57cec5SDimitry Andric A->claim(); 65310b57cec5SDimitry Andric 65320b57cec5SDimitry Andric // We translate this by hand to the -cc1 argument, since nightly test uses 65330b57cec5SDimitry Andric // it and developers have been trained to spell it with -mllvm. Both 65340b57cec5SDimitry Andric // spellings are now deprecated and should be removed. 65350b57cec5SDimitry Andric if (StringRef(A->getValue(0)) == "-disable-llvm-optzns") { 65360b57cec5SDimitry Andric CmdArgs.push_back("-disable-llvm-optzns"); 65370b57cec5SDimitry Andric } else { 65380b57cec5SDimitry Andric A->render(Args, CmdArgs); 65390b57cec5SDimitry Andric } 65400b57cec5SDimitry Andric } 65410b57cec5SDimitry Andric 65420b57cec5SDimitry Andric // With -save-temps, we want to save the unoptimized bitcode output from the 65430b57cec5SDimitry Andric // CompileJobAction, use -disable-llvm-passes to get pristine IR generated 65440b57cec5SDimitry Andric // by the frontend. 65450b57cec5SDimitry Andric // When -fembed-bitcode is enabled, optimized bitcode is emitted because it 65460b57cec5SDimitry Andric // has slightly different breakdown between stages. 65470b57cec5SDimitry Andric // FIXME: -fembed-bitcode -save-temps will save optimized bitcode instead of 65480b57cec5SDimitry Andric // pristine IR generated by the frontend. Ideally, a new compile action should 65490b57cec5SDimitry Andric // be added so both IR can be captured. 65505ffd83dbSDimitry Andric if ((C.getDriver().isSaveTempsEnabled() || 65515ffd83dbSDimitry Andric JA.isHostOffloading(Action::OFK_OpenMP)) && 6552fe6060f1SDimitry Andric !(C.getDriver().embedBitcodeInObject() && !IsUsingLTO) && 65530b57cec5SDimitry Andric isa<CompileJobAction>(JA)) 65540b57cec5SDimitry Andric CmdArgs.push_back("-disable-llvm-passes"); 65550b57cec5SDimitry Andric 65560b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_undef); 65570b57cec5SDimitry Andric 65580b57cec5SDimitry Andric const char *Exec = D.getClangProgramPath(); 65590b57cec5SDimitry Andric 65600b57cec5SDimitry Andric // Optionally embed the -cc1 level arguments into the debug info or a 65610b57cec5SDimitry Andric // section, for build analysis. 65620b57cec5SDimitry Andric // Also record command line arguments into the debug info if 65630b57cec5SDimitry Andric // -grecord-gcc-switches options is set on. 65640b57cec5SDimitry Andric // By default, -gno-record-gcc-switches is set on and no recording. 65650b57cec5SDimitry Andric auto GRecordSwitches = 65660b57cec5SDimitry Andric Args.hasFlag(options::OPT_grecord_command_line, 65670b57cec5SDimitry Andric options::OPT_gno_record_command_line, false); 65680b57cec5SDimitry Andric auto FRecordSwitches = 65690b57cec5SDimitry Andric Args.hasFlag(options::OPT_frecord_command_line, 65700b57cec5SDimitry Andric options::OPT_fno_record_command_line, false); 65710b57cec5SDimitry Andric if (FRecordSwitches && !Triple.isOSBinFormatELF()) 65720b57cec5SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 65730b57cec5SDimitry Andric << Args.getLastArg(options::OPT_frecord_command_line)->getAsString(Args) 65740b57cec5SDimitry Andric << TripleStr; 65750b57cec5SDimitry Andric if (TC.UseDwarfDebugFlags() || GRecordSwitches || FRecordSwitches) { 65760b57cec5SDimitry Andric ArgStringList OriginalArgs; 65770b57cec5SDimitry Andric for (const auto &Arg : Args) 65780b57cec5SDimitry Andric Arg->render(Args, OriginalArgs); 65790b57cec5SDimitry Andric 65800b57cec5SDimitry Andric SmallString<256> Flags; 65815ffd83dbSDimitry Andric EscapeSpacesAndBackslashes(Exec, Flags); 65820b57cec5SDimitry Andric for (const char *OriginalArg : OriginalArgs) { 65830b57cec5SDimitry Andric SmallString<128> EscapedArg; 65840b57cec5SDimitry Andric EscapeSpacesAndBackslashes(OriginalArg, EscapedArg); 65850b57cec5SDimitry Andric Flags += " "; 65860b57cec5SDimitry Andric Flags += EscapedArg; 65870b57cec5SDimitry Andric } 65880b57cec5SDimitry Andric auto FlagsArgString = Args.MakeArgString(Flags); 65890b57cec5SDimitry Andric if (TC.UseDwarfDebugFlags() || GRecordSwitches) { 65900b57cec5SDimitry Andric CmdArgs.push_back("-dwarf-debug-flags"); 65910b57cec5SDimitry Andric CmdArgs.push_back(FlagsArgString); 65920b57cec5SDimitry Andric } 65930b57cec5SDimitry Andric if (FRecordSwitches) { 65940b57cec5SDimitry Andric CmdArgs.push_back("-record-command-line"); 65950b57cec5SDimitry Andric CmdArgs.push_back(FlagsArgString); 65960b57cec5SDimitry Andric } 65970b57cec5SDimitry Andric } 65980b57cec5SDimitry Andric 65990b57cec5SDimitry Andric // Host-side cuda compilation receives all device-side outputs in a single 66000b57cec5SDimitry Andric // fatbin as Inputs[1]. Include the binary with -fcuda-include-gpubinary. 66010b57cec5SDimitry Andric if ((IsCuda || IsHIP) && CudaDeviceInput) { 66020b57cec5SDimitry Andric CmdArgs.push_back("-fcuda-include-gpubinary"); 66030b57cec5SDimitry Andric CmdArgs.push_back(CudaDeviceInput->getFilename()); 66040b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fgpu_rdc, options::OPT_fno_gpu_rdc, false)) 66050b57cec5SDimitry Andric CmdArgs.push_back("-fgpu-rdc"); 66060b57cec5SDimitry Andric } 66070b57cec5SDimitry Andric 66080b57cec5SDimitry Andric if (IsCuda) { 66090b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fcuda_short_ptr, 66100b57cec5SDimitry Andric options::OPT_fno_cuda_short_ptr, false)) 66110b57cec5SDimitry Andric CmdArgs.push_back("-fcuda-short-ptr"); 66120b57cec5SDimitry Andric } 66130b57cec5SDimitry Andric 6614fe6060f1SDimitry Andric if (IsCuda || IsHIP) { 6615fe6060f1SDimitry Andric // Determine the original source input. 6616fe6060f1SDimitry Andric const Action *SourceAction = &JA; 6617fe6060f1SDimitry Andric while (SourceAction->getKind() != Action::InputClass) { 6618fe6060f1SDimitry Andric assert(!SourceAction->getInputs().empty() && "unexpected root action!"); 6619fe6060f1SDimitry Andric SourceAction = SourceAction->getInputs()[0]; 6620fe6060f1SDimitry Andric } 6621fe6060f1SDimitry Andric auto CUID = cast<InputAction>(SourceAction)->getId(); 6622fe6060f1SDimitry Andric if (!CUID.empty()) 6623fe6060f1SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Twine("-cuid=") + Twine(CUID))); 6624fe6060f1SDimitry Andric } 6625fe6060f1SDimitry Andric 6626480093f4SDimitry Andric if (IsHIP) 6627480093f4SDimitry Andric CmdArgs.push_back("-fcuda-allow-variadic-functions"); 6628480093f4SDimitry Andric 6629fe6060f1SDimitry Andric if (IsCudaDevice || IsHIPDevice) { 6630fe6060f1SDimitry Andric StringRef InlineThresh = 6631fe6060f1SDimitry Andric Args.getLastArgValue(options::OPT_fgpu_inline_threshold_EQ); 6632fe6060f1SDimitry Andric if (!InlineThresh.empty()) { 6633fe6060f1SDimitry Andric std::string ArgStr = 6634fe6060f1SDimitry Andric std::string("-inline-threshold=") + InlineThresh.str(); 6635fe6060f1SDimitry Andric CmdArgs.append({"-mllvm", Args.MakeArgStringRef(ArgStr)}); 6636fe6060f1SDimitry Andric } 6637fe6060f1SDimitry Andric } 6638fe6060f1SDimitry Andric 66390b57cec5SDimitry Andric // OpenMP offloading device jobs take the argument -fopenmp-host-ir-file-path 66400b57cec5SDimitry Andric // to specify the result of the compile phase on the host, so the meaningful 66410b57cec5SDimitry Andric // device declarations can be identified. Also, -fopenmp-is-device is passed 66420b57cec5SDimitry Andric // along to tell the frontend that it is generating code for a device, so that 66430b57cec5SDimitry Andric // only the relevant declarations are emitted. 66440b57cec5SDimitry Andric if (IsOpenMPDevice) { 66450b57cec5SDimitry Andric CmdArgs.push_back("-fopenmp-is-device"); 66460b57cec5SDimitry Andric if (OpenMPDeviceInput) { 66470b57cec5SDimitry Andric CmdArgs.push_back("-fopenmp-host-ir-file-path"); 66480b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(OpenMPDeviceInput->getFilename())); 66490b57cec5SDimitry Andric } 66500b57cec5SDimitry Andric } 66510b57cec5SDimitry Andric 6652e8d8bef9SDimitry Andric if (Triple.isAMDGPU()) { 6653e8d8bef9SDimitry Andric handleAMDGPUCodeObjectVersionOptions(D, Args, CmdArgs); 6654e8d8bef9SDimitry Andric 6655e8d8bef9SDimitry Andric if (Args.hasFlag(options::OPT_munsafe_fp_atomics, 6656fe6060f1SDimitry Andric options::OPT_mno_unsafe_fp_atomics, /*Default=*/false)) 6657e8d8bef9SDimitry Andric CmdArgs.push_back("-munsafe-fp-atomics"); 6658e8d8bef9SDimitry Andric } 6659e8d8bef9SDimitry Andric 66600b57cec5SDimitry Andric // For all the host OpenMP offloading compile jobs we need to pass the targets 66610b57cec5SDimitry Andric // information using -fopenmp-targets= option. 66620b57cec5SDimitry Andric if (JA.isHostOffloading(Action::OFK_OpenMP)) { 66630b57cec5SDimitry Andric SmallString<128> TargetInfo("-fopenmp-targets="); 66640b57cec5SDimitry Andric 66650b57cec5SDimitry Andric Arg *Tgts = Args.getLastArg(options::OPT_fopenmp_targets_EQ); 66660b57cec5SDimitry Andric assert(Tgts && Tgts->getNumValues() && 66670b57cec5SDimitry Andric "OpenMP offloading has to have targets specified."); 66680b57cec5SDimitry Andric for (unsigned i = 0; i < Tgts->getNumValues(); ++i) { 66690b57cec5SDimitry Andric if (i) 66700b57cec5SDimitry Andric TargetInfo += ','; 66710b57cec5SDimitry Andric // We need to get the string from the triple because it may be not exactly 66720b57cec5SDimitry Andric // the same as the one we get directly from the arguments. 66730b57cec5SDimitry Andric llvm::Triple T(Tgts->getValue(i)); 66740b57cec5SDimitry Andric TargetInfo += T.getTriple(); 66750b57cec5SDimitry Andric } 66760b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(TargetInfo.str())); 66770b57cec5SDimitry Andric } 66780b57cec5SDimitry Andric 6679a7dea167SDimitry Andric bool VirtualFunctionElimination = 6680a7dea167SDimitry Andric Args.hasFlag(options::OPT_fvirtual_function_elimination, 6681a7dea167SDimitry Andric options::OPT_fno_virtual_function_elimination, false); 6682a7dea167SDimitry Andric if (VirtualFunctionElimination) { 6683a7dea167SDimitry Andric // VFE requires full LTO (currently, this might be relaxed to allow ThinLTO 6684a7dea167SDimitry Andric // in the future). 6685fe6060f1SDimitry Andric if (LTOMode != LTOK_Full) 6686a7dea167SDimitry Andric D.Diag(diag::err_drv_argument_only_allowed_with) 6687a7dea167SDimitry Andric << "-fvirtual-function-elimination" 6688a7dea167SDimitry Andric << "-flto=full"; 6689a7dea167SDimitry Andric 6690a7dea167SDimitry Andric CmdArgs.push_back("-fvirtual-function-elimination"); 6691a7dea167SDimitry Andric } 6692a7dea167SDimitry Andric 6693a7dea167SDimitry Andric // VFE requires whole-program-vtables, and enables it by default. 6694a7dea167SDimitry Andric bool WholeProgramVTables = Args.hasFlag( 6695a7dea167SDimitry Andric options::OPT_fwhole_program_vtables, 6696a7dea167SDimitry Andric options::OPT_fno_whole_program_vtables, VirtualFunctionElimination); 6697a7dea167SDimitry Andric if (VirtualFunctionElimination && !WholeProgramVTables) { 6698a7dea167SDimitry Andric D.Diag(diag::err_drv_argument_not_allowed_with) 6699a7dea167SDimitry Andric << "-fno-whole-program-vtables" 6700a7dea167SDimitry Andric << "-fvirtual-function-elimination"; 6701a7dea167SDimitry Andric } 6702a7dea167SDimitry Andric 67030b57cec5SDimitry Andric if (WholeProgramVTables) { 6704fe6060f1SDimitry Andric // Propagate -fwhole-program-vtables if this is an LTO compile. 6705fe6060f1SDimitry Andric if (IsUsingLTO) 6706fe6060f1SDimitry Andric CmdArgs.push_back("-fwhole-program-vtables"); 6707fe6060f1SDimitry Andric // Check if we passed LTO options but they were suppressed because this is a 6708fe6060f1SDimitry Andric // device offloading action, or we passed device offload LTO options which 6709fe6060f1SDimitry Andric // were suppressed because this is not the device offload action. 6710fe6060f1SDimitry Andric // Otherwise, issue an error. 6711fe6060f1SDimitry Andric else if (!D.isUsingLTO(!IsDeviceOffloadAction)) 67120b57cec5SDimitry Andric D.Diag(diag::err_drv_argument_only_allowed_with) 67130b57cec5SDimitry Andric << "-fwhole-program-vtables" 67140b57cec5SDimitry Andric << "-flto"; 67150b57cec5SDimitry Andric } 67160b57cec5SDimitry Andric 6717480093f4SDimitry Andric bool DefaultsSplitLTOUnit = 6718480093f4SDimitry Andric (WholeProgramVTables || Sanitize.needsLTO()) && 6719fe6060f1SDimitry Andric (LTOMode == LTOK_Full || TC.canSplitThinLTOUnit()); 67200b57cec5SDimitry Andric bool SplitLTOUnit = 67210b57cec5SDimitry Andric Args.hasFlag(options::OPT_fsplit_lto_unit, 6722a7dea167SDimitry Andric options::OPT_fno_split_lto_unit, DefaultsSplitLTOUnit); 6723a7dea167SDimitry Andric if (Sanitize.needsLTO() && !SplitLTOUnit) 6724a7dea167SDimitry Andric D.Diag(diag::err_drv_argument_not_allowed_with) << "-fno-split-lto-unit" 6725a7dea167SDimitry Andric << "-fsanitize=cfi"; 67260b57cec5SDimitry Andric if (SplitLTOUnit) 67270b57cec5SDimitry Andric CmdArgs.push_back("-fsplit-lto-unit"); 67280b57cec5SDimitry Andric 67295ffd83dbSDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fglobal_isel, 67305ffd83dbSDimitry Andric options::OPT_fno_global_isel)) { 67310b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 67325ffd83dbSDimitry Andric if (A->getOption().matches(options::OPT_fglobal_isel)) { 67330b57cec5SDimitry Andric CmdArgs.push_back("-global-isel=1"); 67340b57cec5SDimitry Andric 67350b57cec5SDimitry Andric // GISel is on by default on AArch64 -O0, so don't bother adding 67360b57cec5SDimitry Andric // the fallback remarks for it. Other combinations will add a warning of 67370b57cec5SDimitry Andric // some kind. 67380b57cec5SDimitry Andric bool IsArchSupported = Triple.getArch() == llvm::Triple::aarch64; 67390b57cec5SDimitry Andric bool IsOptLevelSupported = false; 67400b57cec5SDimitry Andric 67410b57cec5SDimitry Andric Arg *A = Args.getLastArg(options::OPT_O_Group); 67420b57cec5SDimitry Andric if (Triple.getArch() == llvm::Triple::aarch64) { 67430b57cec5SDimitry Andric if (!A || A->getOption().matches(options::OPT_O0)) 67440b57cec5SDimitry Andric IsOptLevelSupported = true; 67450b57cec5SDimitry Andric } 67460b57cec5SDimitry Andric if (!IsArchSupported || !IsOptLevelSupported) { 67470b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 67480b57cec5SDimitry Andric CmdArgs.push_back("-global-isel-abort=2"); 67490b57cec5SDimitry Andric 67500b57cec5SDimitry Andric if (!IsArchSupported) 67515ffd83dbSDimitry Andric D.Diag(diag::warn_drv_global_isel_incomplete) << Triple.getArchName(); 67520b57cec5SDimitry Andric else 67535ffd83dbSDimitry Andric D.Diag(diag::warn_drv_global_isel_incomplete_opt); 67540b57cec5SDimitry Andric } 67550b57cec5SDimitry Andric } else { 67560b57cec5SDimitry Andric CmdArgs.push_back("-global-isel=0"); 67570b57cec5SDimitry Andric } 67580b57cec5SDimitry Andric } 67590b57cec5SDimitry Andric 67600b57cec5SDimitry Andric if (Args.hasArg(options::OPT_forder_file_instrumentation)) { 67610b57cec5SDimitry Andric CmdArgs.push_back("-forder-file-instrumentation"); 67620b57cec5SDimitry Andric // Enable order file instrumentation when ThinLTO is not on. When ThinLTO is 67630b57cec5SDimitry Andric // on, we need to pass these flags as linker flags and that will be handled 67640b57cec5SDimitry Andric // outside of the compiler. 6765fe6060f1SDimitry Andric if (!IsUsingLTO) { 67660b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 67670b57cec5SDimitry Andric CmdArgs.push_back("-enable-order-file-instrumentation"); 67680b57cec5SDimitry Andric } 67690b57cec5SDimitry Andric } 67700b57cec5SDimitry Andric 67710b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fforce_enable_int128, 67720b57cec5SDimitry Andric options::OPT_fno_force_enable_int128)) { 67730b57cec5SDimitry Andric if (A->getOption().matches(options::OPT_fforce_enable_int128)) 67740b57cec5SDimitry Andric CmdArgs.push_back("-fforce-enable-int128"); 67750b57cec5SDimitry Andric } 67760b57cec5SDimitry Andric 67775ffd83dbSDimitry Andric if (Args.hasFlag(options::OPT_fkeep_static_consts, 67785ffd83dbSDimitry Andric options::OPT_fno_keep_static_consts, false)) 67795ffd83dbSDimitry Andric CmdArgs.push_back("-fkeep-static-consts"); 67805ffd83dbSDimitry Andric 67810b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_fcomplete_member_pointers, 67820b57cec5SDimitry Andric options::OPT_fno_complete_member_pointers, false)) 67830b57cec5SDimitry Andric CmdArgs.push_back("-fcomplete-member-pointers"); 67840b57cec5SDimitry Andric 67850b57cec5SDimitry Andric if (!Args.hasFlag(options::OPT_fcxx_static_destructors, 67860b57cec5SDimitry Andric options::OPT_fno_cxx_static_destructors, true)) 67870b57cec5SDimitry Andric CmdArgs.push_back("-fno-c++-static-destructors"); 67880b57cec5SDimitry Andric 6789e8d8bef9SDimitry Andric addMachineOutlinerArgs(D, Args, CmdArgs, Triple, /*IsLTO=*/false); 6790e8d8bef9SDimitry Andric 6791e8d8bef9SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_moutline_atomics, 6792e8d8bef9SDimitry Andric options::OPT_mno_outline_atomics)) { 6793e8d8bef9SDimitry Andric if (A->getOption().matches(options::OPT_moutline_atomics)) { 6794e8d8bef9SDimitry Andric // Option -moutline-atomics supported for AArch64 target only. 6795e8d8bef9SDimitry Andric if (!Triple.isAArch64()) { 6796e8d8bef9SDimitry Andric D.Diag(diag::warn_drv_moutline_atomics_unsupported_opt) 6797e8d8bef9SDimitry Andric << Triple.getArchName(); 67980b57cec5SDimitry Andric } else { 6799e8d8bef9SDimitry Andric CmdArgs.push_back("-target-feature"); 6800e8d8bef9SDimitry Andric CmdArgs.push_back("+outline-atomics"); 68010b57cec5SDimitry Andric } 68020b57cec5SDimitry Andric } else { 6803e8d8bef9SDimitry Andric CmdArgs.push_back("-target-feature"); 6804e8d8bef9SDimitry Andric CmdArgs.push_back("-outline-atomics"); 68050b57cec5SDimitry Andric } 6806fe6060f1SDimitry Andric } else if (Triple.isAArch64() && 6807fe6060f1SDimitry Andric getToolChain().IsAArch64OutlineAtomicsDefault(Args)) { 6808fe6060f1SDimitry Andric CmdArgs.push_back("-target-feature"); 6809fe6060f1SDimitry Andric CmdArgs.push_back("+outline-atomics"); 68100b57cec5SDimitry Andric } 68110b57cec5SDimitry Andric 68120b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_faddrsig, options::OPT_fno_addrsig, 68130b57cec5SDimitry Andric (TC.getTriple().isOSBinFormatELF() || 68140b57cec5SDimitry Andric TC.getTriple().isOSBinFormatCOFF()) && 6815e8d8bef9SDimitry Andric !TC.getTriple().isPS4() && !TC.getTriple().isVE() && 68160b57cec5SDimitry Andric !TC.getTriple().isOSNetBSD() && 6817480093f4SDimitry Andric !Distro(D.getVFS(), TC.getTriple()).IsGentoo() && 6818e8d8bef9SDimitry Andric !TC.getTriple().isAndroid() && TC.useIntegratedAs())) 68190b57cec5SDimitry Andric CmdArgs.push_back("-faddrsig"); 68200b57cec5SDimitry Andric 6821fe6060f1SDimitry Andric if ((Triple.isOSBinFormatELF() || Triple.isOSBinFormatMachO()) && 6822fe6060f1SDimitry Andric (EH || UnwindTables || DebugInfoKind != codegenoptions::NoDebugInfo)) 6823fe6060f1SDimitry Andric CmdArgs.push_back("-D__GCC_HAVE_DWARF2_CFI_ASM=1"); 6824fe6060f1SDimitry Andric 68250b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_fsymbol_partition_EQ)) { 68260b57cec5SDimitry Andric std::string Str = A->getAsString(Args); 68270b57cec5SDimitry Andric if (!TC.getTriple().isOSBinFormatELF()) 68280b57cec5SDimitry Andric D.Diag(diag::err_drv_unsupported_opt_for_target) 68290b57cec5SDimitry Andric << Str << TC.getTripleString(); 68300b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Str)); 68310b57cec5SDimitry Andric } 68320b57cec5SDimitry Andric 68330b57cec5SDimitry Andric // Add the "-o out -x type src.c" flags last. This is done primarily to make 68340b57cec5SDimitry Andric // the -cc1 command easier to edit when reproducing compiler crashes. 68350b57cec5SDimitry Andric if (Output.getType() == types::TY_Dependencies) { 68360b57cec5SDimitry Andric // Handled with other dependency code. 68370b57cec5SDimitry Andric } else if (Output.isFilename()) { 6838480093f4SDimitry Andric if (Output.getType() == clang::driver::types::TY_IFS_CPP || 6839480093f4SDimitry Andric Output.getType() == clang::driver::types::TY_IFS) { 6840480093f4SDimitry Andric SmallString<128> OutputFilename(Output.getFilename()); 6841480093f4SDimitry Andric llvm::sys::path::replace_extension(OutputFilename, "ifs"); 6842480093f4SDimitry Andric CmdArgs.push_back("-o"); 6843480093f4SDimitry Andric CmdArgs.push_back(Args.MakeArgString(OutputFilename)); 6844480093f4SDimitry Andric } else { 68450b57cec5SDimitry Andric CmdArgs.push_back("-o"); 68460b57cec5SDimitry Andric CmdArgs.push_back(Output.getFilename()); 6847480093f4SDimitry Andric } 68480b57cec5SDimitry Andric } else { 68490b57cec5SDimitry Andric assert(Output.isNothing() && "Invalid output."); 68500b57cec5SDimitry Andric } 68510b57cec5SDimitry Andric 68520b57cec5SDimitry Andric addDashXForInput(Args, Input, CmdArgs); 68530b57cec5SDimitry Andric 68540b57cec5SDimitry Andric ArrayRef<InputInfo> FrontendInputs = Input; 68550b57cec5SDimitry Andric if (IsHeaderModulePrecompile) 68560b57cec5SDimitry Andric FrontendInputs = ModuleHeaderInputs; 68570b57cec5SDimitry Andric else if (Input.isNothing()) 68580b57cec5SDimitry Andric FrontendInputs = {}; 68590b57cec5SDimitry Andric 68600b57cec5SDimitry Andric for (const InputInfo &Input : FrontendInputs) { 68610b57cec5SDimitry Andric if (Input.isFilename()) 68620b57cec5SDimitry Andric CmdArgs.push_back(Input.getFilename()); 68630b57cec5SDimitry Andric else 68640b57cec5SDimitry Andric Input.getInputArg().renderAsInput(Args, CmdArgs); 68650b57cec5SDimitry Andric } 68660b57cec5SDimitry Andric 6867fe6060f1SDimitry Andric if (D.CC1Main && !D.CCGenDiagnostics) { 6868480093f4SDimitry Andric // Invoke the CC1 directly in this process 6869e8d8bef9SDimitry Andric C.addCommand(std::make_unique<CC1Command>(JA, *this, 6870e8d8bef9SDimitry Andric ResponseFileSupport::AtFileUTF8(), 6871e8d8bef9SDimitry Andric Exec, CmdArgs, Inputs, Output)); 68720b57cec5SDimitry Andric } else { 6873e8d8bef9SDimitry Andric C.addCommand(std::make_unique<Command>(JA, *this, 6874e8d8bef9SDimitry Andric ResponseFileSupport::AtFileUTF8(), 6875e8d8bef9SDimitry Andric Exec, CmdArgs, Inputs, Output)); 68760b57cec5SDimitry Andric } 68770b57cec5SDimitry Andric 68780b57cec5SDimitry Andric // Make the compile command echo its inputs for /showFilenames. 68790b57cec5SDimitry Andric if (Output.getType() == types::TY_Object && 68800b57cec5SDimitry Andric Args.hasFlag(options::OPT__SLASH_showFilenames, 68810b57cec5SDimitry Andric options::OPT__SLASH_showFilenames_, false)) { 688213138422SDimitry Andric C.getJobs().getJobs().back()->PrintInputFilenames = true; 68830b57cec5SDimitry Andric } 68840b57cec5SDimitry Andric 68850b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_pg)) 68865ffd83dbSDimitry Andric if (FPKeepKind == CodeGenOptions::FramePointerKind::None && 68875ffd83dbSDimitry Andric !Args.hasArg(options::OPT_mfentry)) 68880b57cec5SDimitry Andric D.Diag(diag::err_drv_argument_not_allowed_with) << "-fomit-frame-pointer" 68890b57cec5SDimitry Andric << A->getAsString(Args); 68900b57cec5SDimitry Andric 68910b57cec5SDimitry Andric // Claim some arguments which clang supports automatically. 68920b57cec5SDimitry Andric 68930b57cec5SDimitry Andric // -fpch-preprocess is used with gcc to add a special marker in the output to 68940b57cec5SDimitry Andric // include the PCH file. 68950b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_fpch_preprocess); 68960b57cec5SDimitry Andric 68970b57cec5SDimitry Andric // Claim some arguments which clang doesn't support, but we don't 68980b57cec5SDimitry Andric // care to warn the user about. 68990b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_clang_ignored_f_Group); 69000b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_clang_ignored_m_Group); 69010b57cec5SDimitry Andric 69020b57cec5SDimitry Andric // Disable warnings for clang -E -emit-llvm foo.c 69030b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_emit_llvm); 69040b57cec5SDimitry Andric } 69050b57cec5SDimitry Andric 69060b57cec5SDimitry Andric Clang::Clang(const ToolChain &TC) 69070b57cec5SDimitry Andric // CAUTION! The first constructor argument ("clang") is not arbitrary, 69080b57cec5SDimitry Andric // as it is for other tools. Some operations on a Tool actually test 69090b57cec5SDimitry Andric // whether that tool is Clang based on the Tool's Name as a string. 69105ffd83dbSDimitry Andric : Tool("clang", "clang frontend", TC) {} 69110b57cec5SDimitry Andric 69120b57cec5SDimitry Andric Clang::~Clang() {} 69130b57cec5SDimitry Andric 69140b57cec5SDimitry Andric /// Add options related to the Objective-C runtime/ABI. 69150b57cec5SDimitry Andric /// 69160b57cec5SDimitry Andric /// Returns true if the runtime is non-fragile. 69170b57cec5SDimitry Andric ObjCRuntime Clang::AddObjCRuntimeArgs(const ArgList &args, 69185ffd83dbSDimitry Andric const InputInfoList &inputs, 69190b57cec5SDimitry Andric ArgStringList &cmdArgs, 69200b57cec5SDimitry Andric RewriteKind rewriteKind) const { 69210b57cec5SDimitry Andric // Look for the controlling runtime option. 69220b57cec5SDimitry Andric Arg *runtimeArg = 69230b57cec5SDimitry Andric args.getLastArg(options::OPT_fnext_runtime, options::OPT_fgnu_runtime, 69240b57cec5SDimitry Andric options::OPT_fobjc_runtime_EQ); 69250b57cec5SDimitry Andric 69260b57cec5SDimitry Andric // Just forward -fobjc-runtime= to the frontend. This supercedes 69270b57cec5SDimitry Andric // options about fragility. 69280b57cec5SDimitry Andric if (runtimeArg && 69290b57cec5SDimitry Andric runtimeArg->getOption().matches(options::OPT_fobjc_runtime_EQ)) { 69300b57cec5SDimitry Andric ObjCRuntime runtime; 69310b57cec5SDimitry Andric StringRef value = runtimeArg->getValue(); 69320b57cec5SDimitry Andric if (runtime.tryParse(value)) { 69330b57cec5SDimitry Andric getToolChain().getDriver().Diag(diag::err_drv_unknown_objc_runtime) 69340b57cec5SDimitry Andric << value; 69350b57cec5SDimitry Andric } 69360b57cec5SDimitry Andric if ((runtime.getKind() == ObjCRuntime::GNUstep) && 69370b57cec5SDimitry Andric (runtime.getVersion() >= VersionTuple(2, 0))) 69380b57cec5SDimitry Andric if (!getToolChain().getTriple().isOSBinFormatELF() && 69390b57cec5SDimitry Andric !getToolChain().getTriple().isOSBinFormatCOFF()) { 69400b57cec5SDimitry Andric getToolChain().getDriver().Diag( 69410b57cec5SDimitry Andric diag::err_drv_gnustep_objc_runtime_incompatible_binary) 69420b57cec5SDimitry Andric << runtime.getVersion().getMajor(); 69430b57cec5SDimitry Andric } 69440b57cec5SDimitry Andric 69450b57cec5SDimitry Andric runtimeArg->render(args, cmdArgs); 69460b57cec5SDimitry Andric return runtime; 69470b57cec5SDimitry Andric } 69480b57cec5SDimitry Andric 69490b57cec5SDimitry Andric // Otherwise, we'll need the ABI "version". Version numbers are 69500b57cec5SDimitry Andric // slightly confusing for historical reasons: 69510b57cec5SDimitry Andric // 1 - Traditional "fragile" ABI 69520b57cec5SDimitry Andric // 2 - Non-fragile ABI, version 1 69530b57cec5SDimitry Andric // 3 - Non-fragile ABI, version 2 69540b57cec5SDimitry Andric unsigned objcABIVersion = 1; 69550b57cec5SDimitry Andric // If -fobjc-abi-version= is present, use that to set the version. 69560b57cec5SDimitry Andric if (Arg *abiArg = args.getLastArg(options::OPT_fobjc_abi_version_EQ)) { 69570b57cec5SDimitry Andric StringRef value = abiArg->getValue(); 69580b57cec5SDimitry Andric if (value == "1") 69590b57cec5SDimitry Andric objcABIVersion = 1; 69600b57cec5SDimitry Andric else if (value == "2") 69610b57cec5SDimitry Andric objcABIVersion = 2; 69620b57cec5SDimitry Andric else if (value == "3") 69630b57cec5SDimitry Andric objcABIVersion = 3; 69640b57cec5SDimitry Andric else 69650b57cec5SDimitry Andric getToolChain().getDriver().Diag(diag::err_drv_clang_unsupported) << value; 69660b57cec5SDimitry Andric } else { 69670b57cec5SDimitry Andric // Otherwise, determine if we are using the non-fragile ABI. 69680b57cec5SDimitry Andric bool nonFragileABIIsDefault = 69690b57cec5SDimitry Andric (rewriteKind == RK_NonFragile || 69700b57cec5SDimitry Andric (rewriteKind == RK_None && 69710b57cec5SDimitry Andric getToolChain().IsObjCNonFragileABIDefault())); 69720b57cec5SDimitry Andric if (args.hasFlag(options::OPT_fobjc_nonfragile_abi, 69730b57cec5SDimitry Andric options::OPT_fno_objc_nonfragile_abi, 69740b57cec5SDimitry Andric nonFragileABIIsDefault)) { 69750b57cec5SDimitry Andric // Determine the non-fragile ABI version to use. 69760b57cec5SDimitry Andric #ifdef DISABLE_DEFAULT_NONFRAGILEABI_TWO 69770b57cec5SDimitry Andric unsigned nonFragileABIVersion = 1; 69780b57cec5SDimitry Andric #else 69790b57cec5SDimitry Andric unsigned nonFragileABIVersion = 2; 69800b57cec5SDimitry Andric #endif 69810b57cec5SDimitry Andric 69820b57cec5SDimitry Andric if (Arg *abiArg = 69830b57cec5SDimitry Andric args.getLastArg(options::OPT_fobjc_nonfragile_abi_version_EQ)) { 69840b57cec5SDimitry Andric StringRef value = abiArg->getValue(); 69850b57cec5SDimitry Andric if (value == "1") 69860b57cec5SDimitry Andric nonFragileABIVersion = 1; 69870b57cec5SDimitry Andric else if (value == "2") 69880b57cec5SDimitry Andric nonFragileABIVersion = 2; 69890b57cec5SDimitry Andric else 69900b57cec5SDimitry Andric getToolChain().getDriver().Diag(diag::err_drv_clang_unsupported) 69910b57cec5SDimitry Andric << value; 69920b57cec5SDimitry Andric } 69930b57cec5SDimitry Andric 69940b57cec5SDimitry Andric objcABIVersion = 1 + nonFragileABIVersion; 69950b57cec5SDimitry Andric } else { 69960b57cec5SDimitry Andric objcABIVersion = 1; 69970b57cec5SDimitry Andric } 69980b57cec5SDimitry Andric } 69990b57cec5SDimitry Andric 70000b57cec5SDimitry Andric // We don't actually care about the ABI version other than whether 70010b57cec5SDimitry Andric // it's non-fragile. 70020b57cec5SDimitry Andric bool isNonFragile = objcABIVersion != 1; 70030b57cec5SDimitry Andric 70040b57cec5SDimitry Andric // If we have no runtime argument, ask the toolchain for its default runtime. 70050b57cec5SDimitry Andric // However, the rewriter only really supports the Mac runtime, so assume that. 70060b57cec5SDimitry Andric ObjCRuntime runtime; 70070b57cec5SDimitry Andric if (!runtimeArg) { 70080b57cec5SDimitry Andric switch (rewriteKind) { 70090b57cec5SDimitry Andric case RK_None: 70100b57cec5SDimitry Andric runtime = getToolChain().getDefaultObjCRuntime(isNonFragile); 70110b57cec5SDimitry Andric break; 70120b57cec5SDimitry Andric case RK_Fragile: 70130b57cec5SDimitry Andric runtime = ObjCRuntime(ObjCRuntime::FragileMacOSX, VersionTuple()); 70140b57cec5SDimitry Andric break; 70150b57cec5SDimitry Andric case RK_NonFragile: 70160b57cec5SDimitry Andric runtime = ObjCRuntime(ObjCRuntime::MacOSX, VersionTuple()); 70170b57cec5SDimitry Andric break; 70180b57cec5SDimitry Andric } 70190b57cec5SDimitry Andric 70200b57cec5SDimitry Andric // -fnext-runtime 70210b57cec5SDimitry Andric } else if (runtimeArg->getOption().matches(options::OPT_fnext_runtime)) { 70220b57cec5SDimitry Andric // On Darwin, make this use the default behavior for the toolchain. 70230b57cec5SDimitry Andric if (getToolChain().getTriple().isOSDarwin()) { 70240b57cec5SDimitry Andric runtime = getToolChain().getDefaultObjCRuntime(isNonFragile); 70250b57cec5SDimitry Andric 70260b57cec5SDimitry Andric // Otherwise, build for a generic macosx port. 70270b57cec5SDimitry Andric } else { 70280b57cec5SDimitry Andric runtime = ObjCRuntime(ObjCRuntime::MacOSX, VersionTuple()); 70290b57cec5SDimitry Andric } 70300b57cec5SDimitry Andric 70310b57cec5SDimitry Andric // -fgnu-runtime 70320b57cec5SDimitry Andric } else { 70330b57cec5SDimitry Andric assert(runtimeArg->getOption().matches(options::OPT_fgnu_runtime)); 70340b57cec5SDimitry Andric // Legacy behaviour is to target the gnustep runtime if we are in 70350b57cec5SDimitry Andric // non-fragile mode or the GCC runtime in fragile mode. 70360b57cec5SDimitry Andric if (isNonFragile) 70370b57cec5SDimitry Andric runtime = ObjCRuntime(ObjCRuntime::GNUstep, VersionTuple(2, 0)); 70380b57cec5SDimitry Andric else 70390b57cec5SDimitry Andric runtime = ObjCRuntime(ObjCRuntime::GCC, VersionTuple()); 70400b57cec5SDimitry Andric } 70410b57cec5SDimitry Andric 70425ffd83dbSDimitry Andric if (llvm::any_of(inputs, [](const InputInfo &input) { 70435ffd83dbSDimitry Andric return types::isObjC(input.getType()); 70445ffd83dbSDimitry Andric })) 70450b57cec5SDimitry Andric cmdArgs.push_back( 70460b57cec5SDimitry Andric args.MakeArgString("-fobjc-runtime=" + runtime.getAsString())); 70470b57cec5SDimitry Andric return runtime; 70480b57cec5SDimitry Andric } 70490b57cec5SDimitry Andric 70500b57cec5SDimitry Andric static bool maybeConsumeDash(const std::string &EH, size_t &I) { 70510b57cec5SDimitry Andric bool HaveDash = (I + 1 < EH.size() && EH[I + 1] == '-'); 70520b57cec5SDimitry Andric I += HaveDash; 70530b57cec5SDimitry Andric return !HaveDash; 70540b57cec5SDimitry Andric } 70550b57cec5SDimitry Andric 70560b57cec5SDimitry Andric namespace { 70570b57cec5SDimitry Andric struct EHFlags { 70580b57cec5SDimitry Andric bool Synch = false; 70590b57cec5SDimitry Andric bool Asynch = false; 70600b57cec5SDimitry Andric bool NoUnwindC = false; 70610b57cec5SDimitry Andric }; 70620b57cec5SDimitry Andric } // end anonymous namespace 70630b57cec5SDimitry Andric 70640b57cec5SDimitry Andric /// /EH controls whether to run destructor cleanups when exceptions are 70650b57cec5SDimitry Andric /// thrown. There are three modifiers: 70660b57cec5SDimitry Andric /// - s: Cleanup after "synchronous" exceptions, aka C++ exceptions. 70670b57cec5SDimitry Andric /// - a: Cleanup after "asynchronous" exceptions, aka structured exceptions. 70680b57cec5SDimitry Andric /// The 'a' modifier is unimplemented and fundamentally hard in LLVM IR. 70690b57cec5SDimitry Andric /// - c: Assume that extern "C" functions are implicitly nounwind. 70700b57cec5SDimitry Andric /// The default is /EHs-c-, meaning cleanups are disabled. 70710b57cec5SDimitry Andric static EHFlags parseClangCLEHFlags(const Driver &D, const ArgList &Args) { 70720b57cec5SDimitry Andric EHFlags EH; 70730b57cec5SDimitry Andric 70740b57cec5SDimitry Andric std::vector<std::string> EHArgs = 70750b57cec5SDimitry Andric Args.getAllArgValues(options::OPT__SLASH_EH); 70760b57cec5SDimitry Andric for (auto EHVal : EHArgs) { 70770b57cec5SDimitry Andric for (size_t I = 0, E = EHVal.size(); I != E; ++I) { 70780b57cec5SDimitry Andric switch (EHVal[I]) { 70790b57cec5SDimitry Andric case 'a': 70800b57cec5SDimitry Andric EH.Asynch = maybeConsumeDash(EHVal, I); 70810b57cec5SDimitry Andric if (EH.Asynch) 70820b57cec5SDimitry Andric EH.Synch = false; 70830b57cec5SDimitry Andric continue; 70840b57cec5SDimitry Andric case 'c': 70850b57cec5SDimitry Andric EH.NoUnwindC = maybeConsumeDash(EHVal, I); 70860b57cec5SDimitry Andric continue; 70870b57cec5SDimitry Andric case 's': 70880b57cec5SDimitry Andric EH.Synch = maybeConsumeDash(EHVal, I); 70890b57cec5SDimitry Andric if (EH.Synch) 70900b57cec5SDimitry Andric EH.Asynch = false; 70910b57cec5SDimitry Andric continue; 70920b57cec5SDimitry Andric default: 70930b57cec5SDimitry Andric break; 70940b57cec5SDimitry Andric } 70950b57cec5SDimitry Andric D.Diag(clang::diag::err_drv_invalid_value) << "/EH" << EHVal; 70960b57cec5SDimitry Andric break; 70970b57cec5SDimitry Andric } 70980b57cec5SDimitry Andric } 70990b57cec5SDimitry Andric // The /GX, /GX- flags are only processed if there are not /EH flags. 71000b57cec5SDimitry Andric // The default is that /GX is not specified. 71010b57cec5SDimitry Andric if (EHArgs.empty() && 71020b57cec5SDimitry Andric Args.hasFlag(options::OPT__SLASH_GX, options::OPT__SLASH_GX_, 71030b57cec5SDimitry Andric /*Default=*/false)) { 71040b57cec5SDimitry Andric EH.Synch = true; 71050b57cec5SDimitry Andric EH.NoUnwindC = true; 71060b57cec5SDimitry Andric } 71070b57cec5SDimitry Andric 71080b57cec5SDimitry Andric return EH; 71090b57cec5SDimitry Andric } 71100b57cec5SDimitry Andric 71110b57cec5SDimitry Andric void Clang::AddClangCLArgs(const ArgList &Args, types::ID InputType, 71120b57cec5SDimitry Andric ArgStringList &CmdArgs, 71130b57cec5SDimitry Andric codegenoptions::DebugInfoKind *DebugInfoKind, 71140b57cec5SDimitry Andric bool *EmitCodeView) const { 71150b57cec5SDimitry Andric unsigned RTOptionID = options::OPT__SLASH_MT; 71165ffd83dbSDimitry Andric bool isNVPTX = getToolChain().getTriple().isNVPTX(); 71170b57cec5SDimitry Andric 71180b57cec5SDimitry Andric if (Args.hasArg(options::OPT__SLASH_LDd)) 71190b57cec5SDimitry Andric // The /LDd option implies /MTd. The dependent lib part can be overridden, 71200b57cec5SDimitry Andric // but defining _DEBUG is sticky. 71210b57cec5SDimitry Andric RTOptionID = options::OPT__SLASH_MTd; 71220b57cec5SDimitry Andric 71230b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT__SLASH_M_Group)) 71240b57cec5SDimitry Andric RTOptionID = A->getOption().getID(); 71250b57cec5SDimitry Andric 71260b57cec5SDimitry Andric StringRef FlagForCRT; 71270b57cec5SDimitry Andric switch (RTOptionID) { 71280b57cec5SDimitry Andric case options::OPT__SLASH_MD: 71290b57cec5SDimitry Andric if (Args.hasArg(options::OPT__SLASH_LDd)) 71300b57cec5SDimitry Andric CmdArgs.push_back("-D_DEBUG"); 71310b57cec5SDimitry Andric CmdArgs.push_back("-D_MT"); 71320b57cec5SDimitry Andric CmdArgs.push_back("-D_DLL"); 71330b57cec5SDimitry Andric FlagForCRT = "--dependent-lib=msvcrt"; 71340b57cec5SDimitry Andric break; 71350b57cec5SDimitry Andric case options::OPT__SLASH_MDd: 71360b57cec5SDimitry Andric CmdArgs.push_back("-D_DEBUG"); 71370b57cec5SDimitry Andric CmdArgs.push_back("-D_MT"); 71380b57cec5SDimitry Andric CmdArgs.push_back("-D_DLL"); 71390b57cec5SDimitry Andric FlagForCRT = "--dependent-lib=msvcrtd"; 71400b57cec5SDimitry Andric break; 71410b57cec5SDimitry Andric case options::OPT__SLASH_MT: 71420b57cec5SDimitry Andric if (Args.hasArg(options::OPT__SLASH_LDd)) 71430b57cec5SDimitry Andric CmdArgs.push_back("-D_DEBUG"); 71440b57cec5SDimitry Andric CmdArgs.push_back("-D_MT"); 71450b57cec5SDimitry Andric CmdArgs.push_back("-flto-visibility-public-std"); 71460b57cec5SDimitry Andric FlagForCRT = "--dependent-lib=libcmt"; 71470b57cec5SDimitry Andric break; 71480b57cec5SDimitry Andric case options::OPT__SLASH_MTd: 71490b57cec5SDimitry Andric CmdArgs.push_back("-D_DEBUG"); 71500b57cec5SDimitry Andric CmdArgs.push_back("-D_MT"); 71510b57cec5SDimitry Andric CmdArgs.push_back("-flto-visibility-public-std"); 71520b57cec5SDimitry Andric FlagForCRT = "--dependent-lib=libcmtd"; 71530b57cec5SDimitry Andric break; 71540b57cec5SDimitry Andric default: 71550b57cec5SDimitry Andric llvm_unreachable("Unexpected option ID."); 71560b57cec5SDimitry Andric } 71570b57cec5SDimitry Andric 71580b57cec5SDimitry Andric if (Args.hasArg(options::OPT__SLASH_Zl)) { 71590b57cec5SDimitry Andric CmdArgs.push_back("-D_VC_NODEFAULTLIB"); 71600b57cec5SDimitry Andric } else { 71610b57cec5SDimitry Andric CmdArgs.push_back(FlagForCRT.data()); 71620b57cec5SDimitry Andric 71630b57cec5SDimitry Andric // This provides POSIX compatibility (maps 'open' to '_open'), which most 71640b57cec5SDimitry Andric // users want. The /Za flag to cl.exe turns this off, but it's not 71650b57cec5SDimitry Andric // implemented in clang. 71660b57cec5SDimitry Andric CmdArgs.push_back("--dependent-lib=oldnames"); 71670b57cec5SDimitry Andric } 71680b57cec5SDimitry Andric 71695ffd83dbSDimitry Andric if (Arg *ShowIncludes = 71705ffd83dbSDimitry Andric Args.getLastArg(options::OPT__SLASH_showIncludes, 71715ffd83dbSDimitry Andric options::OPT__SLASH_showIncludes_user)) { 71725ffd83dbSDimitry Andric CmdArgs.push_back("--show-includes"); 71735ffd83dbSDimitry Andric if (ShowIncludes->getOption().matches(options::OPT__SLASH_showIncludes)) 71745ffd83dbSDimitry Andric CmdArgs.push_back("-sys-header-deps"); 71755ffd83dbSDimitry Andric } 71760b57cec5SDimitry Andric 71770b57cec5SDimitry Andric // This controls whether or not we emit RTTI data for polymorphic types. 71780b57cec5SDimitry Andric if (Args.hasFlag(options::OPT__SLASH_GR_, options::OPT__SLASH_GR, 71790b57cec5SDimitry Andric /*Default=*/false)) 71800b57cec5SDimitry Andric CmdArgs.push_back("-fno-rtti-data"); 71810b57cec5SDimitry Andric 71820b57cec5SDimitry Andric // This controls whether or not we emit stack-protector instrumentation. 71830b57cec5SDimitry Andric // In MSVC, Buffer Security Check (/GS) is on by default. 71845ffd83dbSDimitry Andric if (!isNVPTX && Args.hasFlag(options::OPT__SLASH_GS, options::OPT__SLASH_GS_, 71850b57cec5SDimitry Andric /*Default=*/true)) { 71860b57cec5SDimitry Andric CmdArgs.push_back("-stack-protector"); 71870b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Twine(LangOptions::SSPStrong))); 71880b57cec5SDimitry Andric } 71890b57cec5SDimitry Andric 7190e8d8bef9SDimitry Andric // Emit CodeView if -Z7 or -gline-tables-only are present. 7191e8d8bef9SDimitry Andric if (Arg *DebugInfoArg = Args.getLastArg(options::OPT__SLASH_Z7, 71920b57cec5SDimitry Andric options::OPT_gline_tables_only)) { 71930b57cec5SDimitry Andric *EmitCodeView = true; 71940b57cec5SDimitry Andric if (DebugInfoArg->getOption().matches(options::OPT__SLASH_Z7)) 7195fe6060f1SDimitry Andric *DebugInfoKind = codegenoptions::DebugInfoConstructor; 71960b57cec5SDimitry Andric else 71970b57cec5SDimitry Andric *DebugInfoKind = codegenoptions::DebugLineTablesOnly; 71980b57cec5SDimitry Andric } else { 71990b57cec5SDimitry Andric *EmitCodeView = false; 72000b57cec5SDimitry Andric } 72010b57cec5SDimitry Andric 72020b57cec5SDimitry Andric const Driver &D = getToolChain().getDriver(); 72030b57cec5SDimitry Andric EHFlags EH = parseClangCLEHFlags(D, Args); 72045ffd83dbSDimitry Andric if (!isNVPTX && (EH.Synch || EH.Asynch)) { 72050b57cec5SDimitry Andric if (types::isCXX(InputType)) 72060b57cec5SDimitry Andric CmdArgs.push_back("-fcxx-exceptions"); 72070b57cec5SDimitry Andric CmdArgs.push_back("-fexceptions"); 72080b57cec5SDimitry Andric } 72090b57cec5SDimitry Andric if (types::isCXX(InputType) && EH.Synch && EH.NoUnwindC) 72100b57cec5SDimitry Andric CmdArgs.push_back("-fexternc-nounwind"); 72110b57cec5SDimitry Andric 72120b57cec5SDimitry Andric // /EP should expand to -E -P. 72130b57cec5SDimitry Andric if (Args.hasArg(options::OPT__SLASH_EP)) { 72140b57cec5SDimitry Andric CmdArgs.push_back("-E"); 72150b57cec5SDimitry Andric CmdArgs.push_back("-P"); 72160b57cec5SDimitry Andric } 72170b57cec5SDimitry Andric 72180b57cec5SDimitry Andric unsigned VolatileOptionID; 7219480093f4SDimitry Andric if (getToolChain().getTriple().isX86()) 72200b57cec5SDimitry Andric VolatileOptionID = options::OPT__SLASH_volatile_ms; 72210b57cec5SDimitry Andric else 72220b57cec5SDimitry Andric VolatileOptionID = options::OPT__SLASH_volatile_iso; 72230b57cec5SDimitry Andric 72240b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT__SLASH_volatile_Group)) 72250b57cec5SDimitry Andric VolatileOptionID = A->getOption().getID(); 72260b57cec5SDimitry Andric 72270b57cec5SDimitry Andric if (VolatileOptionID == options::OPT__SLASH_volatile_ms) 72280b57cec5SDimitry Andric CmdArgs.push_back("-fms-volatile"); 72290b57cec5SDimitry Andric 72300b57cec5SDimitry Andric if (Args.hasFlag(options::OPT__SLASH_Zc_dllexportInlines_, 72310b57cec5SDimitry Andric options::OPT__SLASH_Zc_dllexportInlines, 72320b57cec5SDimitry Andric false)) { 72330b57cec5SDimitry Andric CmdArgs.push_back("-fno-dllexport-inlines"); 72340b57cec5SDimitry Andric } 72350b57cec5SDimitry Andric 72360b57cec5SDimitry Andric Arg *MostGeneralArg = Args.getLastArg(options::OPT__SLASH_vmg); 72370b57cec5SDimitry Andric Arg *BestCaseArg = Args.getLastArg(options::OPT__SLASH_vmb); 72380b57cec5SDimitry Andric if (MostGeneralArg && BestCaseArg) 72390b57cec5SDimitry Andric D.Diag(clang::diag::err_drv_argument_not_allowed_with) 72400b57cec5SDimitry Andric << MostGeneralArg->getAsString(Args) << BestCaseArg->getAsString(Args); 72410b57cec5SDimitry Andric 72420b57cec5SDimitry Andric if (MostGeneralArg) { 72430b57cec5SDimitry Andric Arg *SingleArg = Args.getLastArg(options::OPT__SLASH_vms); 72440b57cec5SDimitry Andric Arg *MultipleArg = Args.getLastArg(options::OPT__SLASH_vmm); 72450b57cec5SDimitry Andric Arg *VirtualArg = Args.getLastArg(options::OPT__SLASH_vmv); 72460b57cec5SDimitry Andric 72470b57cec5SDimitry Andric Arg *FirstConflict = SingleArg ? SingleArg : MultipleArg; 72480b57cec5SDimitry Andric Arg *SecondConflict = VirtualArg ? VirtualArg : MultipleArg; 72490b57cec5SDimitry Andric if (FirstConflict && SecondConflict && FirstConflict != SecondConflict) 72500b57cec5SDimitry Andric D.Diag(clang::diag::err_drv_argument_not_allowed_with) 72510b57cec5SDimitry Andric << FirstConflict->getAsString(Args) 72520b57cec5SDimitry Andric << SecondConflict->getAsString(Args); 72530b57cec5SDimitry Andric 72540b57cec5SDimitry Andric if (SingleArg) 72550b57cec5SDimitry Andric CmdArgs.push_back("-fms-memptr-rep=single"); 72560b57cec5SDimitry Andric else if (MultipleArg) 72570b57cec5SDimitry Andric CmdArgs.push_back("-fms-memptr-rep=multiple"); 72580b57cec5SDimitry Andric else 72590b57cec5SDimitry Andric CmdArgs.push_back("-fms-memptr-rep=virtual"); 72600b57cec5SDimitry Andric } 72610b57cec5SDimitry Andric 72620b57cec5SDimitry Andric // Parse the default calling convention options. 72630b57cec5SDimitry Andric if (Arg *CCArg = 72640b57cec5SDimitry Andric Args.getLastArg(options::OPT__SLASH_Gd, options::OPT__SLASH_Gr, 72650b57cec5SDimitry Andric options::OPT__SLASH_Gz, options::OPT__SLASH_Gv, 72660b57cec5SDimitry Andric options::OPT__SLASH_Gregcall)) { 72670b57cec5SDimitry Andric unsigned DCCOptId = CCArg->getOption().getID(); 72680b57cec5SDimitry Andric const char *DCCFlag = nullptr; 72695ffd83dbSDimitry Andric bool ArchSupported = !isNVPTX; 72700b57cec5SDimitry Andric llvm::Triple::ArchType Arch = getToolChain().getArch(); 72710b57cec5SDimitry Andric switch (DCCOptId) { 72720b57cec5SDimitry Andric case options::OPT__SLASH_Gd: 72730b57cec5SDimitry Andric DCCFlag = "-fdefault-calling-conv=cdecl"; 72740b57cec5SDimitry Andric break; 72750b57cec5SDimitry Andric case options::OPT__SLASH_Gr: 72760b57cec5SDimitry Andric ArchSupported = Arch == llvm::Triple::x86; 72770b57cec5SDimitry Andric DCCFlag = "-fdefault-calling-conv=fastcall"; 72780b57cec5SDimitry Andric break; 72790b57cec5SDimitry Andric case options::OPT__SLASH_Gz: 72800b57cec5SDimitry Andric ArchSupported = Arch == llvm::Triple::x86; 72810b57cec5SDimitry Andric DCCFlag = "-fdefault-calling-conv=stdcall"; 72820b57cec5SDimitry Andric break; 72830b57cec5SDimitry Andric case options::OPT__SLASH_Gv: 72840b57cec5SDimitry Andric ArchSupported = Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64; 72850b57cec5SDimitry Andric DCCFlag = "-fdefault-calling-conv=vectorcall"; 72860b57cec5SDimitry Andric break; 72870b57cec5SDimitry Andric case options::OPT__SLASH_Gregcall: 72880b57cec5SDimitry Andric ArchSupported = Arch == llvm::Triple::x86 || Arch == llvm::Triple::x86_64; 72890b57cec5SDimitry Andric DCCFlag = "-fdefault-calling-conv=regcall"; 72900b57cec5SDimitry Andric break; 72910b57cec5SDimitry Andric } 72920b57cec5SDimitry Andric 72930b57cec5SDimitry Andric // MSVC doesn't warn if /Gr or /Gz is used on x64, so we don't either. 72940b57cec5SDimitry Andric if (ArchSupported && DCCFlag) 72950b57cec5SDimitry Andric CmdArgs.push_back(DCCFlag); 72960b57cec5SDimitry Andric } 72970b57cec5SDimitry Andric 72980b57cec5SDimitry Andric Args.AddLastArg(CmdArgs, options::OPT_vtordisp_mode_EQ); 72990b57cec5SDimitry Andric 73000b57cec5SDimitry Andric if (!Args.hasArg(options::OPT_fdiagnostics_format_EQ)) { 73010b57cec5SDimitry Andric CmdArgs.push_back("-fdiagnostics-format"); 73020b57cec5SDimitry Andric CmdArgs.push_back("msvc"); 73030b57cec5SDimitry Andric } 73040b57cec5SDimitry Andric 73050b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT__SLASH_guard)) { 7306480093f4SDimitry Andric StringRef GuardArgs = A->getValue(); 7307fe6060f1SDimitry Andric // The only valid options are "cf", "cf,nochecks", "cf-", "ehcont" and 7308fe6060f1SDimitry Andric // "ehcont-". 7309fe6060f1SDimitry Andric if (GuardArgs.equals_insensitive("cf")) { 7310480093f4SDimitry Andric // Emit CFG instrumentation and the table of address-taken functions. 73110b57cec5SDimitry Andric CmdArgs.push_back("-cfguard"); 7312fe6060f1SDimitry Andric } else if (GuardArgs.equals_insensitive("cf,nochecks")) { 7313480093f4SDimitry Andric // Emit only the table of address-taken functions. 7314480093f4SDimitry Andric CmdArgs.push_back("-cfguard-no-checks"); 7315fe6060f1SDimitry Andric } else if (GuardArgs.equals_insensitive("ehcont")) { 7316fe6060f1SDimitry Andric // Emit EH continuation table. 7317fe6060f1SDimitry Andric CmdArgs.push_back("-ehcontguard"); 7318fe6060f1SDimitry Andric } else if (GuardArgs.equals_insensitive("cf-") || 7319fe6060f1SDimitry Andric GuardArgs.equals_insensitive("ehcont-")) { 7320480093f4SDimitry Andric // Do nothing, but we might want to emit a security warning in future. 7321480093f4SDimitry Andric } else { 7322480093f4SDimitry Andric D.Diag(diag::err_drv_invalid_value) << A->getSpelling() << GuardArgs; 7323480093f4SDimitry Andric } 73240b57cec5SDimitry Andric } 73250b57cec5SDimitry Andric } 73260b57cec5SDimitry Andric 73270b57cec5SDimitry Andric const char *Clang::getBaseInputName(const ArgList &Args, 73280b57cec5SDimitry Andric const InputInfo &Input) { 73290b57cec5SDimitry Andric return Args.MakeArgString(llvm::sys::path::filename(Input.getBaseInput())); 73300b57cec5SDimitry Andric } 73310b57cec5SDimitry Andric 73320b57cec5SDimitry Andric const char *Clang::getBaseInputStem(const ArgList &Args, 73330b57cec5SDimitry Andric const InputInfoList &Inputs) { 73340b57cec5SDimitry Andric const char *Str = getBaseInputName(Args, Inputs[0]); 73350b57cec5SDimitry Andric 73360b57cec5SDimitry Andric if (const char *End = strrchr(Str, '.')) 73370b57cec5SDimitry Andric return Args.MakeArgString(std::string(Str, End)); 73380b57cec5SDimitry Andric 73390b57cec5SDimitry Andric return Str; 73400b57cec5SDimitry Andric } 73410b57cec5SDimitry Andric 73420b57cec5SDimitry Andric const char *Clang::getDependencyFileName(const ArgList &Args, 73430b57cec5SDimitry Andric const InputInfoList &Inputs) { 73440b57cec5SDimitry Andric // FIXME: Think about this more. 73450b57cec5SDimitry Andric 73460b57cec5SDimitry Andric if (Arg *OutputOpt = Args.getLastArg(options::OPT_o)) { 7347a7dea167SDimitry Andric SmallString<128> OutputFilename(OutputOpt->getValue()); 7348a7dea167SDimitry Andric llvm::sys::path::replace_extension(OutputFilename, llvm::Twine('d')); 7349a7dea167SDimitry Andric return Args.MakeArgString(OutputFilename); 73500b57cec5SDimitry Andric } 7351a7dea167SDimitry Andric 7352a7dea167SDimitry Andric return Args.MakeArgString(Twine(getBaseInputStem(Args, Inputs)) + ".d"); 73530b57cec5SDimitry Andric } 73540b57cec5SDimitry Andric 73550b57cec5SDimitry Andric // Begin ClangAs 73560b57cec5SDimitry Andric 73570b57cec5SDimitry Andric void ClangAs::AddMIPSTargetArgs(const ArgList &Args, 73580b57cec5SDimitry Andric ArgStringList &CmdArgs) const { 73590b57cec5SDimitry Andric StringRef CPUName; 73600b57cec5SDimitry Andric StringRef ABIName; 73610b57cec5SDimitry Andric const llvm::Triple &Triple = getToolChain().getTriple(); 73620b57cec5SDimitry Andric mips::getMipsCPUAndABI(Args, Triple, CPUName, ABIName); 73630b57cec5SDimitry Andric 73640b57cec5SDimitry Andric CmdArgs.push_back("-target-abi"); 73650b57cec5SDimitry Andric CmdArgs.push_back(ABIName.data()); 73660b57cec5SDimitry Andric } 73670b57cec5SDimitry Andric 73680b57cec5SDimitry Andric void ClangAs::AddX86TargetArgs(const ArgList &Args, 73690b57cec5SDimitry Andric ArgStringList &CmdArgs) const { 73705ffd83dbSDimitry Andric addX86AlignBranchArgs(getToolChain().getDriver(), Args, CmdArgs, 73715ffd83dbSDimitry Andric /*IsLTO=*/false); 7372480093f4SDimitry Andric 73730b57cec5SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_masm_EQ)) { 73740b57cec5SDimitry Andric StringRef Value = A->getValue(); 73750b57cec5SDimitry Andric if (Value == "intel" || Value == "att") { 73760b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 73770b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString("-x86-asm-syntax=" + Value)); 73780b57cec5SDimitry Andric } else { 73790b57cec5SDimitry Andric getToolChain().getDriver().Diag(diag::err_drv_unsupported_option_argument) 73800b57cec5SDimitry Andric << A->getOption().getName() << Value; 73810b57cec5SDimitry Andric } 73820b57cec5SDimitry Andric } 73830b57cec5SDimitry Andric } 73840b57cec5SDimitry Andric 73850b57cec5SDimitry Andric void ClangAs::AddRISCVTargetArgs(const ArgList &Args, 73860b57cec5SDimitry Andric ArgStringList &CmdArgs) const { 73870b57cec5SDimitry Andric const llvm::Triple &Triple = getToolChain().getTriple(); 73880b57cec5SDimitry Andric StringRef ABIName = riscv::getRISCVABI(Args, Triple); 73890b57cec5SDimitry Andric 73900b57cec5SDimitry Andric CmdArgs.push_back("-target-abi"); 73910b57cec5SDimitry Andric CmdArgs.push_back(ABIName.data()); 73920b57cec5SDimitry Andric } 73930b57cec5SDimitry Andric 73940b57cec5SDimitry Andric void ClangAs::ConstructJob(Compilation &C, const JobAction &JA, 73950b57cec5SDimitry Andric const InputInfo &Output, const InputInfoList &Inputs, 73960b57cec5SDimitry Andric const ArgList &Args, 73970b57cec5SDimitry Andric const char *LinkingOutput) const { 73980b57cec5SDimitry Andric ArgStringList CmdArgs; 73990b57cec5SDimitry Andric 74000b57cec5SDimitry Andric assert(Inputs.size() == 1 && "Unexpected number of inputs."); 74010b57cec5SDimitry Andric const InputInfo &Input = Inputs[0]; 74020b57cec5SDimitry Andric 74030b57cec5SDimitry Andric const llvm::Triple &Triple = getToolChain().getEffectiveTriple(); 74040b57cec5SDimitry Andric const std::string &TripleStr = Triple.getTriple(); 74050b57cec5SDimitry Andric const auto &D = getToolChain().getDriver(); 74060b57cec5SDimitry Andric 74070b57cec5SDimitry Andric // Don't warn about "clang -w -c foo.s" 74080b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_w); 74090b57cec5SDimitry Andric // and "clang -emit-llvm -c foo.s" 74100b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_emit_llvm); 74110b57cec5SDimitry Andric 74120b57cec5SDimitry Andric claimNoWarnArgs(Args); 74130b57cec5SDimitry Andric 74140b57cec5SDimitry Andric // Invoke ourselves in -cc1as mode. 74150b57cec5SDimitry Andric // 74160b57cec5SDimitry Andric // FIXME: Implement custom jobs for internal actions. 74170b57cec5SDimitry Andric CmdArgs.push_back("-cc1as"); 74180b57cec5SDimitry Andric 74190b57cec5SDimitry Andric // Add the "effective" target triple. 74200b57cec5SDimitry Andric CmdArgs.push_back("-triple"); 74210b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(TripleStr)); 74220b57cec5SDimitry Andric 74230b57cec5SDimitry Andric // Set the output mode, we currently only expect to be used as a real 74240b57cec5SDimitry Andric // assembler. 74250b57cec5SDimitry Andric CmdArgs.push_back("-filetype"); 74260b57cec5SDimitry Andric CmdArgs.push_back("obj"); 74270b57cec5SDimitry Andric 74280b57cec5SDimitry Andric // Set the main file name, so that debug info works even with 74290b57cec5SDimitry Andric // -save-temps or preprocessed assembly. 74300b57cec5SDimitry Andric CmdArgs.push_back("-main-file-name"); 74310b57cec5SDimitry Andric CmdArgs.push_back(Clang::getBaseInputName(Args, Input)); 74320b57cec5SDimitry Andric 74330b57cec5SDimitry Andric // Add the target cpu 74340b57cec5SDimitry Andric std::string CPU = getCPUName(Args, Triple, /*FromAs*/ true); 74350b57cec5SDimitry Andric if (!CPU.empty()) { 74360b57cec5SDimitry Andric CmdArgs.push_back("-target-cpu"); 74370b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(CPU)); 74380b57cec5SDimitry Andric } 74390b57cec5SDimitry Andric 74400b57cec5SDimitry Andric // Add the target features 74415ffd83dbSDimitry Andric getTargetFeatures(D, Triple, Args, CmdArgs, true); 74420b57cec5SDimitry Andric 74430b57cec5SDimitry Andric // Ignore explicit -force_cpusubtype_ALL option. 74440b57cec5SDimitry Andric (void)Args.hasArg(options::OPT_force__cpusubtype__ALL); 74450b57cec5SDimitry Andric 74460b57cec5SDimitry Andric // Pass along any -I options so we get proper .include search paths. 74470b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_I_Group); 74480b57cec5SDimitry Andric 74490b57cec5SDimitry Andric // Determine the original source input. 74500b57cec5SDimitry Andric const Action *SourceAction = &JA; 74510b57cec5SDimitry Andric while (SourceAction->getKind() != Action::InputClass) { 74520b57cec5SDimitry Andric assert(!SourceAction->getInputs().empty() && "unexpected root action!"); 74530b57cec5SDimitry Andric SourceAction = SourceAction->getInputs()[0]; 74540b57cec5SDimitry Andric } 74550b57cec5SDimitry Andric 74560b57cec5SDimitry Andric // Forward -g and handle debug info related flags, assuming we are dealing 74570b57cec5SDimitry Andric // with an actual assembly file. 74580b57cec5SDimitry Andric bool WantDebug = false; 74590b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_g_Group); 7460fe6060f1SDimitry Andric if (Arg *A = Args.getLastArg(options::OPT_g_Group)) 74610b57cec5SDimitry Andric WantDebug = !A->getOption().matches(options::OPT_g0) && 74620b57cec5SDimitry Andric !A->getOption().matches(options::OPT_ggdb0); 7463480093f4SDimitry Andric 7464fe6060f1SDimitry Andric unsigned DwarfVersion = ParseDebugDefaultVersion(getToolChain(), Args); 7465fe6060f1SDimitry Andric if (const Arg *GDwarfN = getDwarfNArg(Args)) 7466fe6060f1SDimitry Andric DwarfVersion = DwarfVersionNum(GDwarfN->getSpelling()); 7467480093f4SDimitry Andric 74680b57cec5SDimitry Andric if (DwarfVersion == 0) 74690b57cec5SDimitry Andric DwarfVersion = getToolChain().GetDefaultDwarfVersion(); 74700b57cec5SDimitry Andric 74710b57cec5SDimitry Andric codegenoptions::DebugInfoKind DebugInfoKind = codegenoptions::NoDebugInfo; 74720b57cec5SDimitry Andric 74730b57cec5SDimitry Andric if (SourceAction->getType() == types::TY_Asm || 74740b57cec5SDimitry Andric SourceAction->getType() == types::TY_PP_Asm) { 74750b57cec5SDimitry Andric // You might think that it would be ok to set DebugInfoKind outside of 74760b57cec5SDimitry Andric // the guard for source type, however there is a test which asserts 74770b57cec5SDimitry Andric // that some assembler invocation receives no -debug-info-kind, 74780b57cec5SDimitry Andric // and it's not clear whether that test is just overly restrictive. 7479fe6060f1SDimitry Andric DebugInfoKind = (WantDebug ? codegenoptions::DebugInfoConstructor 74800b57cec5SDimitry Andric : codegenoptions::NoDebugInfo); 74810b57cec5SDimitry Andric // Add the -fdebug-compilation-dir flag if needed. 7482a7dea167SDimitry Andric addDebugCompDirArg(Args, CmdArgs, C.getDriver().getVFS()); 74830b57cec5SDimitry Andric 74840b57cec5SDimitry Andric addDebugPrefixMapArg(getToolChain().getDriver(), Args, CmdArgs); 74850b57cec5SDimitry Andric 74860b57cec5SDimitry Andric // Set the AT_producer to the clang version when using the integrated 74870b57cec5SDimitry Andric // assembler on assembly source files. 74880b57cec5SDimitry Andric CmdArgs.push_back("-dwarf-debug-producer"); 74890b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(getClangFullVersion())); 74900b57cec5SDimitry Andric 74910b57cec5SDimitry Andric // And pass along -I options 74920b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_I); 74930b57cec5SDimitry Andric } 74940b57cec5SDimitry Andric RenderDebugEnablingArgs(Args, CmdArgs, DebugInfoKind, DwarfVersion, 74950b57cec5SDimitry Andric llvm::DebuggerKind::Default); 7496fe6060f1SDimitry Andric renderDwarfFormat(D, Triple, Args, CmdArgs, DwarfVersion); 74970b57cec5SDimitry Andric RenderDebugInfoCompressionArgs(Args, CmdArgs, D, getToolChain()); 74980b57cec5SDimitry Andric 74990b57cec5SDimitry Andric 75000b57cec5SDimitry Andric // Handle -fPIC et al -- the relocation-model affects the assembler 75010b57cec5SDimitry Andric // for some targets. 75020b57cec5SDimitry Andric llvm::Reloc::Model RelocationModel; 75030b57cec5SDimitry Andric unsigned PICLevel; 75040b57cec5SDimitry Andric bool IsPIE; 75050b57cec5SDimitry Andric std::tie(RelocationModel, PICLevel, IsPIE) = 75060b57cec5SDimitry Andric ParsePICArgs(getToolChain(), Args); 75070b57cec5SDimitry Andric 75080b57cec5SDimitry Andric const char *RMName = RelocationModelName(RelocationModel); 75090b57cec5SDimitry Andric if (RMName) { 75100b57cec5SDimitry Andric CmdArgs.push_back("-mrelocation-model"); 75110b57cec5SDimitry Andric CmdArgs.push_back(RMName); 75120b57cec5SDimitry Andric } 75130b57cec5SDimitry Andric 75140b57cec5SDimitry Andric // Optionally embed the -cc1as level arguments into the debug info, for build 75150b57cec5SDimitry Andric // analysis. 75160b57cec5SDimitry Andric if (getToolChain().UseDwarfDebugFlags()) { 75170b57cec5SDimitry Andric ArgStringList OriginalArgs; 75180b57cec5SDimitry Andric for (const auto &Arg : Args) 75190b57cec5SDimitry Andric Arg->render(Args, OriginalArgs); 75200b57cec5SDimitry Andric 75210b57cec5SDimitry Andric SmallString<256> Flags; 75220b57cec5SDimitry Andric const char *Exec = getToolChain().getDriver().getClangProgramPath(); 75235ffd83dbSDimitry Andric EscapeSpacesAndBackslashes(Exec, Flags); 75240b57cec5SDimitry Andric for (const char *OriginalArg : OriginalArgs) { 75250b57cec5SDimitry Andric SmallString<128> EscapedArg; 75260b57cec5SDimitry Andric EscapeSpacesAndBackslashes(OriginalArg, EscapedArg); 75270b57cec5SDimitry Andric Flags += " "; 75280b57cec5SDimitry Andric Flags += EscapedArg; 75290b57cec5SDimitry Andric } 75300b57cec5SDimitry Andric CmdArgs.push_back("-dwarf-debug-flags"); 75310b57cec5SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Flags)); 75320b57cec5SDimitry Andric } 75330b57cec5SDimitry Andric 75340b57cec5SDimitry Andric // FIXME: Add -static support, once we have it. 75350b57cec5SDimitry Andric 75360b57cec5SDimitry Andric // Add target specific flags. 75370b57cec5SDimitry Andric switch (getToolChain().getArch()) { 75380b57cec5SDimitry Andric default: 75390b57cec5SDimitry Andric break; 75400b57cec5SDimitry Andric 75410b57cec5SDimitry Andric case llvm::Triple::mips: 75420b57cec5SDimitry Andric case llvm::Triple::mipsel: 75430b57cec5SDimitry Andric case llvm::Triple::mips64: 75440b57cec5SDimitry Andric case llvm::Triple::mips64el: 75450b57cec5SDimitry Andric AddMIPSTargetArgs(Args, CmdArgs); 75460b57cec5SDimitry Andric break; 75470b57cec5SDimitry Andric 75480b57cec5SDimitry Andric case llvm::Triple::x86: 75490b57cec5SDimitry Andric case llvm::Triple::x86_64: 75500b57cec5SDimitry Andric AddX86TargetArgs(Args, CmdArgs); 75510b57cec5SDimitry Andric break; 75520b57cec5SDimitry Andric 75530b57cec5SDimitry Andric case llvm::Triple::arm: 75540b57cec5SDimitry Andric case llvm::Triple::armeb: 75550b57cec5SDimitry Andric case llvm::Triple::thumb: 75560b57cec5SDimitry Andric case llvm::Triple::thumbeb: 75570b57cec5SDimitry Andric // This isn't in AddARMTargetArgs because we want to do this for assembly 75580b57cec5SDimitry Andric // only, not C/C++. 75590b57cec5SDimitry Andric if (Args.hasFlag(options::OPT_mdefault_build_attributes, 75600b57cec5SDimitry Andric options::OPT_mno_default_build_attributes, true)) { 75610b57cec5SDimitry Andric CmdArgs.push_back("-mllvm"); 75620b57cec5SDimitry Andric CmdArgs.push_back("-arm-add-build-attributes"); 75630b57cec5SDimitry Andric } 75640b57cec5SDimitry Andric break; 75650b57cec5SDimitry Andric 7566e8d8bef9SDimitry Andric case llvm::Triple::aarch64: 7567e8d8bef9SDimitry Andric case llvm::Triple::aarch64_32: 7568e8d8bef9SDimitry Andric case llvm::Triple::aarch64_be: 7569e8d8bef9SDimitry Andric if (Args.hasArg(options::OPT_mmark_bti_property)) { 7570e8d8bef9SDimitry Andric CmdArgs.push_back("-mllvm"); 7571e8d8bef9SDimitry Andric CmdArgs.push_back("-aarch64-mark-bti-property"); 7572e8d8bef9SDimitry Andric } 7573e8d8bef9SDimitry Andric break; 7574e8d8bef9SDimitry Andric 75750b57cec5SDimitry Andric case llvm::Triple::riscv32: 75760b57cec5SDimitry Andric case llvm::Triple::riscv64: 75770b57cec5SDimitry Andric AddRISCVTargetArgs(Args, CmdArgs); 75780b57cec5SDimitry Andric break; 75790b57cec5SDimitry Andric } 75800b57cec5SDimitry Andric 75810b57cec5SDimitry Andric // Consume all the warning flags. Usually this would be handled more 75820b57cec5SDimitry Andric // gracefully by -cc1 (warning about unknown warning flags, etc) but -cc1as 75830b57cec5SDimitry Andric // doesn't handle that so rather than warning about unused flags that are 75840b57cec5SDimitry Andric // actually used, we'll lie by omission instead. 75850b57cec5SDimitry Andric // FIXME: Stop lying and consume only the appropriate driver flags 75860b57cec5SDimitry Andric Args.ClaimAllArgs(options::OPT_W_Group); 75870b57cec5SDimitry Andric 75880b57cec5SDimitry Andric CollectArgsForIntegratedAssembler(C, Args, CmdArgs, 75890b57cec5SDimitry Andric getToolChain().getDriver()); 75900b57cec5SDimitry Andric 75910b57cec5SDimitry Andric Args.AddAllArgs(CmdArgs, options::OPT_mllvm); 75920b57cec5SDimitry Andric 75930b57cec5SDimitry Andric assert(Output.isFilename() && "Unexpected lipo output."); 75940b57cec5SDimitry Andric CmdArgs.push_back("-o"); 75950b57cec5SDimitry Andric CmdArgs.push_back(Output.getFilename()); 75960b57cec5SDimitry Andric 75970b57cec5SDimitry Andric const llvm::Triple &T = getToolChain().getTriple(); 75980b57cec5SDimitry Andric Arg *A; 75990b57cec5SDimitry Andric if (getDebugFissionKind(D, Args, A) == DwarfFissionKind::Split && 76000b57cec5SDimitry Andric T.isOSBinFormatELF()) { 76010b57cec5SDimitry Andric CmdArgs.push_back("-split-dwarf-output"); 7602e8d8bef9SDimitry Andric CmdArgs.push_back(SplitDebugName(JA, Args, Input, Output)); 76030b57cec5SDimitry Andric } 76040b57cec5SDimitry Andric 7605e8d8bef9SDimitry Andric if (Triple.isAMDGPU()) 7606e8d8bef9SDimitry Andric handleAMDGPUCodeObjectVersionOptions(D, Args, CmdArgs); 7607e8d8bef9SDimitry Andric 76080b57cec5SDimitry Andric assert(Input.isFilename() && "Invalid input."); 76090b57cec5SDimitry Andric CmdArgs.push_back(Input.getFilename()); 76100b57cec5SDimitry Andric 76110b57cec5SDimitry Andric const char *Exec = getToolChain().getDriver().getClangProgramPath(); 7612e8d8bef9SDimitry Andric if (D.CC1Main && !D.CCGenDiagnostics) { 7613e8d8bef9SDimitry Andric // Invoke cc1as directly in this process. 7614e8d8bef9SDimitry Andric C.addCommand(std::make_unique<CC1Command>(JA, *this, 7615e8d8bef9SDimitry Andric ResponseFileSupport::AtFileUTF8(), 7616e8d8bef9SDimitry Andric Exec, CmdArgs, Inputs, Output)); 7617e8d8bef9SDimitry Andric } else { 7618e8d8bef9SDimitry Andric C.addCommand(std::make_unique<Command>(JA, *this, 7619e8d8bef9SDimitry Andric ResponseFileSupport::AtFileUTF8(), 7620e8d8bef9SDimitry Andric Exec, CmdArgs, Inputs, Output)); 7621e8d8bef9SDimitry Andric } 76220b57cec5SDimitry Andric } 76230b57cec5SDimitry Andric 76240b57cec5SDimitry Andric // Begin OffloadBundler 76250b57cec5SDimitry Andric 76260b57cec5SDimitry Andric void OffloadBundler::ConstructJob(Compilation &C, const JobAction &JA, 76270b57cec5SDimitry Andric const InputInfo &Output, 76280b57cec5SDimitry Andric const InputInfoList &Inputs, 76290b57cec5SDimitry Andric const llvm::opt::ArgList &TCArgs, 76300b57cec5SDimitry Andric const char *LinkingOutput) const { 76310b57cec5SDimitry Andric // The version with only one output is expected to refer to a bundling job. 76320b57cec5SDimitry Andric assert(isa<OffloadBundlingJobAction>(JA) && "Expecting bundling job!"); 76330b57cec5SDimitry Andric 76340b57cec5SDimitry Andric // The bundling command looks like this: 76350b57cec5SDimitry Andric // clang-offload-bundler -type=bc 76360b57cec5SDimitry Andric // -targets=host-triple,openmp-triple1,openmp-triple2 76370b57cec5SDimitry Andric // -outputs=input_file 76380b57cec5SDimitry Andric // -inputs=unbundle_file_host,unbundle_file_tgt1,unbundle_file_tgt2" 76390b57cec5SDimitry Andric 76400b57cec5SDimitry Andric ArgStringList CmdArgs; 76410b57cec5SDimitry Andric 76420b57cec5SDimitry Andric // Get the type. 76430b57cec5SDimitry Andric CmdArgs.push_back(TCArgs.MakeArgString( 76440b57cec5SDimitry Andric Twine("-type=") + types::getTypeTempSuffix(Output.getType()))); 76450b57cec5SDimitry Andric 76460b57cec5SDimitry Andric assert(JA.getInputs().size() == Inputs.size() && 76470b57cec5SDimitry Andric "Not have inputs for all dependence actions??"); 76480b57cec5SDimitry Andric 76490b57cec5SDimitry Andric // Get the targets. 76500b57cec5SDimitry Andric SmallString<128> Triples; 76510b57cec5SDimitry Andric Triples += "-targets="; 76520b57cec5SDimitry Andric for (unsigned I = 0; I < Inputs.size(); ++I) { 76530b57cec5SDimitry Andric if (I) 76540b57cec5SDimitry Andric Triples += ','; 76550b57cec5SDimitry Andric 76560b57cec5SDimitry Andric // Find ToolChain for this input. 76570b57cec5SDimitry Andric Action::OffloadKind CurKind = Action::OFK_Host; 76580b57cec5SDimitry Andric const ToolChain *CurTC = &getToolChain(); 76590b57cec5SDimitry Andric const Action *CurDep = JA.getInputs()[I]; 76600b57cec5SDimitry Andric 76610b57cec5SDimitry Andric if (const auto *OA = dyn_cast<OffloadAction>(CurDep)) { 76620b57cec5SDimitry Andric CurTC = nullptr; 76630b57cec5SDimitry Andric OA->doOnEachDependence([&](Action *A, const ToolChain *TC, const char *) { 76640b57cec5SDimitry Andric assert(CurTC == nullptr && "Expected one dependence!"); 76650b57cec5SDimitry Andric CurKind = A->getOffloadingDeviceKind(); 76660b57cec5SDimitry Andric CurTC = TC; 76670b57cec5SDimitry Andric }); 76680b57cec5SDimitry Andric } 76690b57cec5SDimitry Andric Triples += Action::GetOffloadKindName(CurKind); 7670fe6060f1SDimitry Andric Triples += "-"; 7671fe6060f1SDimitry Andric std::string NormalizedTriple = CurTC->getTriple().normalize(); 7672fe6060f1SDimitry Andric Triples += NormalizedTriple; 7673fe6060f1SDimitry Andric 7674fe6060f1SDimitry Andric if (CurDep->getOffloadingArch() != nullptr) { 7675fe6060f1SDimitry Andric // If OffloadArch is present it can only appear as the 6th hypen 7676fe6060f1SDimitry Andric // sepearated field of Bundle Entry ID. So, pad required number of 7677fe6060f1SDimitry Andric // hyphens in Triple. 7678fe6060f1SDimitry Andric for (int i = 4 - StringRef(NormalizedTriple).count("-"); i > 0; i--) 7679fe6060f1SDimitry Andric Triples += "-"; 76800b57cec5SDimitry Andric Triples += CurDep->getOffloadingArch(); 76810b57cec5SDimitry Andric } 76820b57cec5SDimitry Andric } 76830b57cec5SDimitry Andric CmdArgs.push_back(TCArgs.MakeArgString(Triples)); 76840b57cec5SDimitry Andric 76850b57cec5SDimitry Andric // Get bundled file command. 76860b57cec5SDimitry Andric CmdArgs.push_back( 76870b57cec5SDimitry Andric TCArgs.MakeArgString(Twine("-outputs=") + Output.getFilename())); 76880b57cec5SDimitry Andric 76890b57cec5SDimitry Andric // Get unbundled files command. 76900b57cec5SDimitry Andric SmallString<128> UB; 76910b57cec5SDimitry Andric UB += "-inputs="; 76920b57cec5SDimitry Andric for (unsigned I = 0; I < Inputs.size(); ++I) { 76930b57cec5SDimitry Andric if (I) 76940b57cec5SDimitry Andric UB += ','; 76950b57cec5SDimitry Andric 76960b57cec5SDimitry Andric // Find ToolChain for this input. 76970b57cec5SDimitry Andric const ToolChain *CurTC = &getToolChain(); 76980b57cec5SDimitry Andric if (const auto *OA = dyn_cast<OffloadAction>(JA.getInputs()[I])) { 76990b57cec5SDimitry Andric CurTC = nullptr; 77000b57cec5SDimitry Andric OA->doOnEachDependence([&](Action *, const ToolChain *TC, const char *) { 77010b57cec5SDimitry Andric assert(CurTC == nullptr && "Expected one dependence!"); 77020b57cec5SDimitry Andric CurTC = TC; 77030b57cec5SDimitry Andric }); 77040b57cec5SDimitry Andric } 77050b57cec5SDimitry Andric UB += CurTC->getInputFilename(Inputs[I]); 77060b57cec5SDimitry Andric } 77070b57cec5SDimitry Andric CmdArgs.push_back(TCArgs.MakeArgString(UB)); 77080b57cec5SDimitry Andric 77090b57cec5SDimitry Andric // All the inputs are encoded as commands. 7710a7dea167SDimitry Andric C.addCommand(std::make_unique<Command>( 77115ffd83dbSDimitry Andric JA, *this, ResponseFileSupport::None(), 77120b57cec5SDimitry Andric TCArgs.MakeArgString(getToolChain().GetProgramPath(getShortName())), 7713e8d8bef9SDimitry Andric CmdArgs, None, Output)); 77140b57cec5SDimitry Andric } 77150b57cec5SDimitry Andric 77160b57cec5SDimitry Andric void OffloadBundler::ConstructJobMultipleOutputs( 77170b57cec5SDimitry Andric Compilation &C, const JobAction &JA, const InputInfoList &Outputs, 77180b57cec5SDimitry Andric const InputInfoList &Inputs, const llvm::opt::ArgList &TCArgs, 77190b57cec5SDimitry Andric const char *LinkingOutput) const { 77200b57cec5SDimitry Andric // The version with multiple outputs is expected to refer to a unbundling job. 77210b57cec5SDimitry Andric auto &UA = cast<OffloadUnbundlingJobAction>(JA); 77220b57cec5SDimitry Andric 77230b57cec5SDimitry Andric // The unbundling command looks like this: 77240b57cec5SDimitry Andric // clang-offload-bundler -type=bc 77250b57cec5SDimitry Andric // -targets=host-triple,openmp-triple1,openmp-triple2 77260b57cec5SDimitry Andric // -inputs=input_file 77270b57cec5SDimitry Andric // -outputs=unbundle_file_host,unbundle_file_tgt1,unbundle_file_tgt2" 77280b57cec5SDimitry Andric // -unbundle 77290b57cec5SDimitry Andric 77300b57cec5SDimitry Andric ArgStringList CmdArgs; 77310b57cec5SDimitry Andric 77320b57cec5SDimitry Andric assert(Inputs.size() == 1 && "Expecting to unbundle a single file!"); 77330b57cec5SDimitry Andric InputInfo Input = Inputs.front(); 77340b57cec5SDimitry Andric 77350b57cec5SDimitry Andric // Get the type. 77360b57cec5SDimitry Andric CmdArgs.push_back(TCArgs.MakeArgString( 77370b57cec5SDimitry Andric Twine("-type=") + types::getTypeTempSuffix(Input.getType()))); 77380b57cec5SDimitry Andric 77390b57cec5SDimitry Andric // Get the targets. 77400b57cec5SDimitry Andric SmallString<128> Triples; 77410b57cec5SDimitry Andric Triples += "-targets="; 77420b57cec5SDimitry Andric auto DepInfo = UA.getDependentActionsInfo(); 77430b57cec5SDimitry Andric for (unsigned I = 0; I < DepInfo.size(); ++I) { 77440b57cec5SDimitry Andric if (I) 77450b57cec5SDimitry Andric Triples += ','; 77460b57cec5SDimitry Andric 77470b57cec5SDimitry Andric auto &Dep = DepInfo[I]; 77480b57cec5SDimitry Andric Triples += Action::GetOffloadKindName(Dep.DependentOffloadKind); 7749fe6060f1SDimitry Andric Triples += "-"; 7750fe6060f1SDimitry Andric std::string NormalizedTriple = 7751fe6060f1SDimitry Andric Dep.DependentToolChain->getTriple().normalize(); 7752fe6060f1SDimitry Andric Triples += NormalizedTriple; 7753fe6060f1SDimitry Andric 7754fe6060f1SDimitry Andric if (!Dep.DependentBoundArch.empty()) { 7755fe6060f1SDimitry Andric // If OffloadArch is present it can only appear as the 6th hypen 7756fe6060f1SDimitry Andric // sepearated field of Bundle Entry ID. So, pad required number of 7757fe6060f1SDimitry Andric // hyphens in Triple. 7758fe6060f1SDimitry Andric for (int i = 4 - StringRef(NormalizedTriple).count("-"); i > 0; i--) 7759fe6060f1SDimitry Andric Triples += "-"; 77600b57cec5SDimitry Andric Triples += Dep.DependentBoundArch; 77610b57cec5SDimitry Andric } 77620b57cec5SDimitry Andric } 77630b57cec5SDimitry Andric 77640b57cec5SDimitry Andric CmdArgs.push_back(TCArgs.MakeArgString(Triples)); 77650b57cec5SDimitry Andric 77660b57cec5SDimitry Andric // Get bundled file command. 77670b57cec5SDimitry Andric CmdArgs.push_back( 77680b57cec5SDimitry Andric TCArgs.MakeArgString(Twine("-inputs=") + Input.getFilename())); 77690b57cec5SDimitry Andric 77700b57cec5SDimitry Andric // Get unbundled files command. 77710b57cec5SDimitry Andric SmallString<128> UB; 77720b57cec5SDimitry Andric UB += "-outputs="; 77730b57cec5SDimitry Andric for (unsigned I = 0; I < Outputs.size(); ++I) { 77740b57cec5SDimitry Andric if (I) 77750b57cec5SDimitry Andric UB += ','; 77760b57cec5SDimitry Andric UB += DepInfo[I].DependentToolChain->getInputFilename(Outputs[I]); 77770b57cec5SDimitry Andric } 77780b57cec5SDimitry Andric CmdArgs.push_back(TCArgs.MakeArgString(UB)); 77790b57cec5SDimitry Andric CmdArgs.push_back("-unbundle"); 7780e8d8bef9SDimitry Andric CmdArgs.push_back("-allow-missing-bundles"); 77810b57cec5SDimitry Andric 77820b57cec5SDimitry Andric // All the inputs are encoded as commands. 7783a7dea167SDimitry Andric C.addCommand(std::make_unique<Command>( 77845ffd83dbSDimitry Andric JA, *this, ResponseFileSupport::None(), 77850b57cec5SDimitry Andric TCArgs.MakeArgString(getToolChain().GetProgramPath(getShortName())), 7786e8d8bef9SDimitry Andric CmdArgs, None, Outputs)); 77870b57cec5SDimitry Andric } 7788a7dea167SDimitry Andric 7789a7dea167SDimitry Andric void OffloadWrapper::ConstructJob(Compilation &C, const JobAction &JA, 7790a7dea167SDimitry Andric const InputInfo &Output, 7791a7dea167SDimitry Andric const InputInfoList &Inputs, 7792a7dea167SDimitry Andric const ArgList &Args, 7793a7dea167SDimitry Andric const char *LinkingOutput) const { 7794a7dea167SDimitry Andric ArgStringList CmdArgs; 7795a7dea167SDimitry Andric 7796a7dea167SDimitry Andric const llvm::Triple &Triple = getToolChain().getEffectiveTriple(); 7797a7dea167SDimitry Andric 7798a7dea167SDimitry Andric // Add the "effective" target triple. 7799a7dea167SDimitry Andric CmdArgs.push_back("-target"); 7800a7dea167SDimitry Andric CmdArgs.push_back(Args.MakeArgString(Triple.getTriple())); 7801a7dea167SDimitry Andric 7802a7dea167SDimitry Andric // Add the output file name. 7803a7dea167SDimitry Andric assert(Output.isFilename() && "Invalid output."); 7804a7dea167SDimitry Andric CmdArgs.push_back("-o"); 7805a7dea167SDimitry Andric CmdArgs.push_back(Output.getFilename()); 7806a7dea167SDimitry Andric 7807a7dea167SDimitry Andric // Add inputs. 7808a7dea167SDimitry Andric for (const InputInfo &I : Inputs) { 7809a7dea167SDimitry Andric assert(I.isFilename() && "Invalid input."); 7810a7dea167SDimitry Andric CmdArgs.push_back(I.getFilename()); 7811a7dea167SDimitry Andric } 7812a7dea167SDimitry Andric 7813a7dea167SDimitry Andric C.addCommand(std::make_unique<Command>( 78145ffd83dbSDimitry Andric JA, *this, ResponseFileSupport::None(), 7815a7dea167SDimitry Andric Args.MakeArgString(getToolChain().GetProgramPath(getShortName())), 7816e8d8bef9SDimitry Andric CmdArgs, Inputs, Output)); 7817a7dea167SDimitry Andric } 7818