1//===--- CodeGenOptions.def - Code generation option database ----- C++ -*-===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// This file defines the code generation options. Users of this file 10// must define the CODEGENOPT macro to make use of this information. 11// Optionally, the user may also define ENUM_CODEGENOPT (for options 12// that have enumeration type and VALUE_CODEGENOPT is a code 13// generation option that describes a value rather than a flag. 14// 15//===----------------------------------------------------------------------===// 16#ifndef CODEGENOPT 17# error Define the CODEGENOPT macro to handle language options 18#endif 19 20#ifndef VALUE_CODEGENOPT 21# define VALUE_CODEGENOPT(Name, Bits, Default) \ 22CODEGENOPT(Name, Bits, Default) 23#endif 24 25#ifndef ENUM_CODEGENOPT 26# define ENUM_CODEGENOPT(Name, Type, Bits, Default) \ 27CODEGENOPT(Name, Bits, Default) 28#endif 29 30CODEGENOPT(DisableIntegratedAS, 1, 0) ///< -no-integrated-as 31ENUM_CODEGENOPT(CompressDebugSections, llvm::DebugCompressionType, 2, 32 llvm::DebugCompressionType::None) 33CODEGENOPT(RelaxELFRelocations, 1, 1) ///< -Wa,-mrelax-relocations={yes,no} 34CODEGENOPT(AsmVerbose , 1, 0) ///< -dA, -fverbose-asm. 35CODEGENOPT(Dwarf64 , 1, 0) ///< -gdwarf64. 36CODEGENOPT(Dwarf32 , 1, 1) ///< -gdwarf32. 37CODEGENOPT(PreserveAsmComments, 1, 1) ///< -dA, -fno-preserve-as-comments. 38CODEGENOPT(AssumeSaneOperatorNew , 1, 1) ///< implicit __attribute__((malloc)) operator new 39CODEGENOPT(AssumeUniqueVTables , 1, 1) ///< Assume a class has only one vtable. 40CODEGENOPT(Autolink , 1, 1) ///< -fno-autolink 41CODEGENOPT(ObjCAutoRefCountExceptions , 1, 0) ///< Whether ARC should be EH-safe. 42CODEGENOPT(Backchain , 1, 0) ///< -mbackchain 43CODEGENOPT(ControlFlowGuardNoChecks , 1, 0) ///< -cfguard-no-checks 44CODEGENOPT(ControlFlowGuard , 1, 0) ///< -cfguard 45CODEGENOPT(EHContGuard , 1, 0) ///< -ehcontguard 46CODEGENOPT(CXAAtExit , 1, 1) ///< Use __cxa_atexit for calling destructors. 47CODEGENOPT(RegisterGlobalDtorsWithAtExit, 1, 1) ///< Use atexit or __cxa_atexit to register global destructors. 48CODEGENOPT(CXXCtorDtorAliases, 1, 0) ///< Emit complete ctors/dtors as linker 49 ///< aliases to base ctors when possible. 50CODEGENOPT(DataSections , 1, 0) ///< Set when -fdata-sections is enabled. 51CODEGENOPT(UniqueSectionNames, 1, 1) ///< Set for -funique-section-names. 52CODEGENOPT(UniqueBasicBlockSectionNames, 1, 1) ///< Set for -funique-basic-block-section-names, 53 ///< Produce unique section names with 54 ///< basic block sections. 55CODEGENOPT(EnableAIXExtendedAltivecABI, 1, 0) ///< Set for -mabi=vec-extabi. Enables the extended Altivec ABI on AIX. 56CODEGENOPT(XCOFFReadOnlyPointers, 1, 0) ///< Set for -mxcoff-roptr. 57ENUM_CODEGENOPT(FramePointer, FramePointerKind, 2, FramePointerKind::None) /// frame-pointer: all,non-leaf,none 58 59CODEGENOPT(ClearASTBeforeBackend , 1, 0) ///< Free the AST before running backend code generation. Only works with -disable-free. 60CODEGENOPT(DisableFree , 1, 0) ///< Don't free memory. 61CODEGENOPT(DiscardValueNames , 1, 0) ///< Discard Value Names from the IR (LLVMContext flag) 62CODEGENOPT(DisableLLVMPasses , 1, 0) ///< Don't run any LLVM IR passes to get 63 ///< the pristine IR generated by the 64 ///< frontend. 65CODEGENOPT(DisableLifetimeMarkers, 1, 0) ///< Don't emit any lifetime markers 66CODEGENOPT(DisableO0ImplyOptNone , 1, 0) ///< Don't annonate function with optnone at O0 67CODEGENOPT(ExperimentalStrictFloatingPoint, 1, 0) ///< Enables the new, experimental 68 ///< strict floating point. 69CODEGENOPT(EnableNoundefAttrs, 1, 0) ///< Enable emitting `noundef` attributes on IR call arguments and return values 70CODEGENOPT(DebugPassManager, 1, 0) ///< Prints debug information for the new 71 ///< pass manager. 72CODEGENOPT(DisableRedZone , 1, 0) ///< Set when -mno-red-zone is enabled. 73CODEGENOPT(EmitCallSiteInfo, 1, 0) ///< Emit call site info only in the case of 74 ///< '-g' + 'O>0' level. 75CODEGENOPT(EnableDIPreservationVerify, 1, 0) ///< Enable di preservation verify 76 ///< each (it means check 77 ///< the original debug info 78 ///< metadata preservation). 79CODEGENOPT(IndirectTlsSegRefs, 1, 0) ///< Set when -mno-tls-direct-seg-refs 80 ///< is specified. 81CODEGENOPT(DisableTailCalls , 1, 0) ///< Do not emit tail calls. 82CODEGENOPT(NoEscapingBlockTailCalls, 1, 0) ///< Do not emit tail calls from 83 ///< escaping blocks. 84CODEGENOPT(EmitDeclMetadata , 1, 0) ///< Emit special metadata indicating what 85 ///< Decl* various IR entities came from. 86 ///< Only useful when running CodeGen as a 87 ///< subroutine. 88CODEGENOPT(EmitVersionIdentMetadata , 1, 1) ///< Emit compiler version metadata. 89CODEGENOPT(EmitOpenCLArgMetadata , 1, 0) ///< Emit OpenCL kernel arg metadata. 90CODEGENOPT(EmulatedTLS , 1, 0) ///< Set by default or -f[no-]emulated-tls. 91/// Embed Bitcode mode (off/all/bitcode/marker). 92ENUM_CODEGENOPT(EmbedBitcode, EmbedBitcodeKind, 2, Embed_Off) 93/// Inline asm dialect, -masm=(att|intel) 94ENUM_CODEGENOPT(InlineAsmDialect, InlineAsmDialectKind, 1, IAD_ATT) 95CODEGENOPT(ForbidGuardVariables , 1, 0) ///< Issue errors if C++ guard variables 96 ///< are required. 97CODEGENOPT(FunctionSections , 1, 0) ///< Set when -ffunction-sections is enabled. 98CODEGENOPT(InstrumentFunctions , 1, 0) ///< Set when -finstrument-functions is 99 ///< enabled. 100CODEGENOPT(InstrumentFunctionsAfterInlining , 1, 0) ///< Set when 101 ///< -finstrument-functions-after-inlining is enabled. 102CODEGENOPT(InstrumentFunctionEntryBare , 1, 0) ///< Set when 103 ///< -finstrument-function-entry-bare is enabled. 104CODEGENOPT(CFProtectionReturn , 1, 0) ///< if -fcf-protection is 105 ///< set to full or return. 106CODEGENOPT(CFProtectionBranch , 1, 0) ///< if -fcf-protection is 107 ///< set to full or branch. 108CODEGENOPT(FunctionReturnThunks, 1, 0) ///< -mfunction-return={keep|thunk-extern} 109CODEGENOPT(IndirectBranchCSPrefix, 1, 0) ///< if -mindirect-branch-cs-prefix 110 ///< is set. 111 112CODEGENOPT(XRayInstrumentFunctions , 1, 0) ///< Set when -fxray-instrument is 113 ///< enabled. 114CODEGENOPT(StackSizeSection , 1, 0) ///< Set when -fstack-size-section is enabled. 115CODEGENOPT(ForceDwarfFrameSection , 1, 0) ///< Set when -fforce-dwarf-frame is 116 ///< enabled. 117 118///< Set when -femit-compact-unwind-non-canonical is enabled. 119CODEGENOPT(EmitCompactUnwindNonCanonical, 1, 0) 120 121///< Set when -femit-dwarf-unwind is passed. 122ENUM_CODEGENOPT(EmitDwarfUnwind, llvm::EmitDwarfUnwindType, 2, 123 llvm::EmitDwarfUnwindType::Default) 124 125///< Set when -fxray-always-emit-customevents is enabled. 126CODEGENOPT(XRayAlwaysEmitCustomEvents , 1, 0) 127 128///< Set when -fxray-always-emit-typedevents is enabled. 129CODEGENOPT(XRayAlwaysEmitTypedEvents , 1, 0) 130 131///< Set when -fxray-ignore-loops is enabled. 132CODEGENOPT(XRayIgnoreLoops , 1, 0) 133 134///< Emit the XRay function index section. 135CODEGENOPT(XRayFunctionIndex , 1, 1) 136 137 138///< Set the minimum number of instructions in a function to determine selective 139///< XRay instrumentation. 140VALUE_CODEGENOPT(XRayInstructionThreshold , 32, 200) 141 142///< Only instrument 1 in N functions, by dividing functions into N total groups and 143///< instrumenting only the specified group at a time. Group numbers start at 0 144///< and end at N-1. 145VALUE_CODEGENOPT(XRayTotalFunctionGroups, 32, 1) 146VALUE_CODEGENOPT(XRaySelectedFunctionGroup, 32, 0) 147 148VALUE_CODEGENOPT(PatchableFunctionEntryCount , 32, 0) ///< Number of NOPs at function entry 149VALUE_CODEGENOPT(PatchableFunctionEntryOffset , 32, 0) 150 151CODEGENOPT(HotPatch, 1, 0) ///< Supports the Microsoft /HOTPATCH flag and 152 ///< generates a 'patchable-function' attribute. 153 154CODEGENOPT(JMCInstrument, 1, 0) ///< Set when -fjmc is enabled. 155CODEGENOPT(InstrumentForProfiling , 1, 0) ///< Set when -pg is enabled. 156CODEGENOPT(CallFEntry , 1, 0) ///< Set when -mfentry is enabled. 157CODEGENOPT(MNopMCount , 1, 0) ///< Set when -mnop-mcount is enabled. 158CODEGENOPT(RecordMCount , 1, 0) ///< Set when -mrecord-mcount is enabled. 159CODEGENOPT(PackedStack , 1, 0) ///< Set when -mpacked-stack is enabled. 160CODEGENOPT(LessPreciseFPMAD , 1, 0) ///< Enable less precise MAD instructions to 161 ///< be generated. 162CODEGENOPT(PrepareForLTO , 1, 0) ///< Set when -flto is enabled on the 163 ///< compile step. 164CODEGENOPT(PrepareForThinLTO , 1, 0) ///< Set when -flto=thin is enabled on the 165 ///< compile step. 166CODEGENOPT(LTOUnit, 1, 0) ///< Emit IR to support LTO unit features (CFI, whole 167 ///< program vtable opt). 168CODEGENOPT(FatLTO, 1, 0) ///< Set when -ffat-lto-objects is enabled. 169CODEGENOPT(EnableSplitLTOUnit, 1, 0) ///< Enable LTO unit splitting to support 170 /// CFI and traditional whole program 171 /// devirtualization that require whole 172 /// program IR support. 173CODEGENOPT(UnifiedLTO, 1, 0) ///< Use the unified LTO pipeline. 174CODEGENOPT(IncrementalLinkerCompatible, 1, 0) ///< Emit an object file which can 175 ///< be used with an incremental 176 ///< linker. 177CODEGENOPT(MergeAllConstants , 1, 1) ///< Merge identical constants. 178CODEGENOPT(MergeFunctions , 1, 0) ///< Set when -fmerge-functions is enabled. 179CODEGENOPT(NoCommon , 1, 0) ///< Set when -fno-common or C++ is enabled. 180CODEGENOPT(NoDwarfDirectoryAsm , 1, 0) ///< Set when -fno-dwarf-directory-asm is 181 ///< enabled. 182CODEGENOPT(NoExecStack , 1, 0) ///< Set when -Wa,--noexecstack is enabled. 183CODEGENOPT(FatalWarnings , 1, 0) ///< Set when -Wa,--fatal-warnings is 184 ///< enabled. 185CODEGENOPT(NoWarn , 1, 0) ///< Set when -Wa,--no-warn is enabled. 186CODEGENOPT(NoTypeCheck , 1, 0) ///< Set when -Wa,--no-type-check is enabled. 187CODEGENOPT(MisExpect , 1, 0) ///< Set when -Wmisexpect is enabled 188CODEGENOPT(EnableSegmentedStacks , 1, 0) ///< Set when -fsplit-stack is enabled. 189CODEGENOPT(NoInlineLineTables, 1, 0) ///< Whether debug info should contain 190 ///< inline line tables. 191CODEGENOPT(StackClashProtector, 1, 0) ///< Set when -fstack-clash-protection is enabled. 192CODEGENOPT(NoImplicitFloat , 1, 0) ///< Set when -mno-implicit-float is enabled. 193CODEGENOPT(NullPointerIsValid , 1, 0) ///< Assume Null pointer deference is defined. 194CODEGENOPT(OpenCLCorrectlyRoundedDivSqrt, 1, 0) ///< -cl-fp32-correctly-rounded-divide-sqrt 195CODEGENOPT(HIPCorrectlyRoundedDivSqrt, 1, 1) ///< -fno-hip-fp32-correctly-rounded-divide-sqrt 196CODEGENOPT(HIPSaveKernelArgName, 1, 0) ///< Set when -fhip-kernel-arg-name is enabled. 197CODEGENOPT(UniqueInternalLinkageNames, 1, 0) ///< Internal Linkage symbols get unique names. 198CODEGENOPT(SplitMachineFunctions, 1, 0) ///< Split machine functions using profile information. 199 200/// When false, this attempts to generate code as if the result of an 201/// overflowing conversion matches the overflowing behavior of a target's native 202/// float-to-int conversion instructions. 203CODEGENOPT(StrictFloatCastOverflow, 1, 1) 204 205CODEGENOPT(UniformWGSize , 1, 0) ///< -cl-uniform-work-group-size 206CODEGENOPT(NoZeroInitializedInBSS , 1, 0) ///< -fno-zero-initialized-in-bss. 207/// Method of Objective-C dispatch to use. 208ENUM_CODEGENOPT(ObjCDispatchMethod, ObjCDispatchMethodKind, 2, Legacy) 209/// Replace certain message sends with calls to ObjC runtime entrypoints 210CODEGENOPT(ObjCConvertMessagesToRuntimeCalls , 1, 1) 211CODEGENOPT(ObjCAvoidHeapifyLocalBlocks, 1, 0) 212 213VALUE_CODEGENOPT(OptimizationLevel, 2, 0) ///< The -O[0-3] option specified. 214VALUE_CODEGENOPT(OptimizeSize, 2, 0) ///< If -Os (==1) or -Oz (==2) is specified. 215 216CODEGENOPT(AtomicProfileUpdate , 1, 0) ///< Set -fprofile-update=atomic 217/// Choose profile instrumenation kind or no instrumentation. 218ENUM_CODEGENOPT(ProfileInstr, ProfileInstrKind, 2, ProfileNone) 219/// Choose profile kind for PGO use compilation. 220ENUM_CODEGENOPT(ProfileUse, ProfileInstrKind, 2, ProfileNone) 221/// Partition functions into N groups and select only functions in group i to be 222/// instrumented. Selected group numbers can be 0 to N-1 inclusive. 223VALUE_CODEGENOPT(ProfileTotalFunctionGroups, 32, 1) 224VALUE_CODEGENOPT(ProfileSelectedFunctionGroup, 32, 0) 225CODEGENOPT(CoverageMapping , 1, 0) ///< Generate coverage mapping regions to 226 ///< enable code coverage analysis. 227CODEGENOPT(DumpCoverageMapping , 1, 0) ///< Dump the generated coverage mapping 228 ///< regions. 229 230 /// If -fpcc-struct-return or -freg-struct-return is specified. 231ENUM_CODEGENOPT(StructReturnConvention, StructReturnConventionKind, 2, SRCK_Default) 232 233CODEGENOPT(RelaxAll , 1, 0) ///< Relax all machine code instructions. 234CODEGENOPT(RelaxedAliasing , 1, 0) ///< Set when -fno-strict-aliasing is enabled. 235CODEGENOPT(StructPathTBAA , 1, 0) ///< Whether or not to use struct-path TBAA. 236CODEGENOPT(NewStructPathTBAA , 1, 0) ///< Whether or not to use enhanced struct-path TBAA. 237CODEGENOPT(SaveTempLabels , 1, 0) ///< Save temporary labels. 238CODEGENOPT(SanitizeAddressUseAfterScope , 1, 0) ///< Enable use-after-scope detection 239 ///< in AddressSanitizer 240ENUM_CODEGENOPT(SanitizeAddressUseAfterReturn, 241 llvm::AsanDetectStackUseAfterReturnMode, 2, 242 llvm::AsanDetectStackUseAfterReturnMode::Runtime 243 ) ///< Set detection mode for stack-use-after-return. 244CODEGENOPT(SanitizeAddressPoisonCustomArrayCookie, 1, 245 0) ///< Enable poisoning operator new[] which is not a replaceable 246 ///< global allocation function in AddressSanitizer 247CODEGENOPT(SanitizeAddressGlobalsDeadStripping, 1, 0) ///< Enable linker dead stripping 248 ///< of globals in AddressSanitizer 249CODEGENOPT(SanitizeAddressUseOdrIndicator, 1, 0) ///< Enable ODR indicator globals 250CODEGENOPT(SanitizeMemoryTrackOrigins, 2, 0) ///< Enable tracking origins in 251 ///< MemorySanitizer 252ENUM_CODEGENOPT(SanitizeAddressDtor, llvm::AsanDtorKind, 2, 253 llvm::AsanDtorKind::Global) ///< Set how ASan global 254 ///< destructors are emitted. 255CODEGENOPT(SanitizeMemoryParamRetval, 1, 0) ///< Enable detection of uninitialized 256 ///< parameters and return values 257 ///< in MemorySanitizer 258CODEGENOPT(SanitizeMemoryUseAfterDtor, 1, 0) ///< Enable use-after-delete detection 259 ///< in MemorySanitizer 260CODEGENOPT(SanitizeCfiCrossDso, 1, 0) ///< Enable cross-dso support in CFI. 261CODEGENOPT(SanitizeMinimalRuntime, 1, 0) ///< Use "_minimal" sanitizer runtime for 262 ///< diagnostics. 263CODEGENOPT(SanitizeCfiICallGeneralizePointers, 1, 0) ///< Generalize pointer types in 264 ///< CFI icall function signatures 265CODEGENOPT(SanitizeCfiICallNormalizeIntegers, 1, 0) ///< Normalize integer types in 266 ///< CFI icall function signatures 267CODEGENOPT(SanitizeCfiCanonicalJumpTables, 1, 0) ///< Make jump table symbols canonical 268 ///< instead of creating a local jump table. 269CODEGENOPT(SanitizeCoverageType, 2, 0) ///< Type of sanitizer coverage 270 ///< instrumentation. 271CODEGENOPT(SanitizeCoverageIndirectCalls, 1, 0) ///< Enable sanitizer coverage 272 ///< for indirect calls. 273CODEGENOPT(SanitizeCoverageTraceBB, 1, 0) ///< Enable basic block tracing in 274 ///< in sanitizer coverage. 275CODEGENOPT(SanitizeCoverageTraceCmp, 1, 0) ///< Enable cmp instruction tracing 276 ///< in sanitizer coverage. 277CODEGENOPT(SanitizeCoverageTraceDiv, 1, 0) ///< Enable div instruction tracing 278 ///< in sanitizer coverage. 279CODEGENOPT(SanitizeCoverageTraceGep, 1, 0) ///< Enable GEP instruction tracing 280 ///< in sanitizer coverage. 281CODEGENOPT(SanitizeCoverage8bitCounters, 1, 0) ///< Use 8-bit frequency counters 282 ///< in sanitizer coverage. 283CODEGENOPT(SanitizeCoverageTracePC, 1, 0) ///< Enable PC tracing 284 ///< in sanitizer coverage. 285CODEGENOPT(SanitizeCoverageTracePCGuard, 1, 0) ///< Enable PC tracing with guard 286 ///< in sanitizer coverage. 287CODEGENOPT(SanitizeCoverageInline8bitCounters, 1, 0) ///< Use inline 8bit counters. 288CODEGENOPT(SanitizeCoverageInlineBoolFlag, 1, 0) ///< Use inline bool flag. 289CODEGENOPT(SanitizeCoveragePCTable, 1, 0) ///< Create a PC Table. 290CODEGENOPT(SanitizeCoverageControlFlow, 1, 0) ///< Collect control flow 291CODEGENOPT(SanitizeCoverageNoPrune, 1, 0) ///< Disable coverage pruning. 292CODEGENOPT(SanitizeCoverageStackDepth, 1, 0) ///< Enable max stack depth tracing 293CODEGENOPT(SanitizeCoverageTraceLoads, 1, 0) ///< Enable tracing of loads. 294CODEGENOPT(SanitizeCoverageTraceStores, 1, 0) ///< Enable tracing of stores. 295CODEGENOPT(SanitizeBinaryMetadataCovered, 1, 0) ///< Emit PCs for covered functions. 296CODEGENOPT(SanitizeBinaryMetadataAtomics, 1, 0) ///< Emit PCs for atomic operations. 297CODEGENOPT(SanitizeBinaryMetadataUAR, 1, 0) ///< Emit PCs for start of functions 298 ///< that are subject for use-after-return checking. 299CODEGENOPT(SanitizeStats , 1, 0) ///< Collect statistics for sanitizers. 300CODEGENOPT(SimplifyLibCalls , 1, 1) ///< Set when -fbuiltin is enabled. 301CODEGENOPT(SoftFloat , 1, 0) ///< -soft-float. 302CODEGENOPT(SpeculativeLoadHardening, 1, 0) ///< Enable speculative load hardening. 303CODEGENOPT(FineGrainedBitfieldAccesses, 1, 0) ///< Enable fine-grained bitfield accesses. 304CODEGENOPT(StrictEnums , 1, 0) ///< Optimize based on strict enum definition. 305CODEGENOPT(StrictVTablePointers, 1, 0) ///< Optimize based on the strict vtable pointers 306CODEGENOPT(TimePasses , 1, 0) ///< Set when -ftime-report or -ftime-report= is enabled. 307CODEGENOPT(TimePassesPerRun , 1, 0) ///< Set when -ftime-report=per-pass-run is enabled. 308CODEGENOPT(TimeTrace , 1, 0) ///< Set when -ftime-trace is enabled. 309VALUE_CODEGENOPT(TimeTraceGranularity, 32, 500) ///< Minimum time granularity (in microseconds), 310 ///< traced by time profiler 311CODEGENOPT(UnrollLoops , 1, 0) ///< Control whether loops are unrolled. 312CODEGENOPT(RerollLoops , 1, 0) ///< Control whether loops are rerolled. 313CODEGENOPT(NoUseJumpTables , 1, 0) ///< Set when -fno-jump-tables is enabled. 314VALUE_CODEGENOPT(UnwindTables, 2, 0) ///< Unwind tables (1) or asynchronous unwind tables (2) 315CODEGENOPT(VectorizeLoop , 1, 0) ///< Run loop vectorizer. 316CODEGENOPT(VectorizeSLP , 1, 0) ///< Run SLP vectorizer. 317CODEGENOPT(ProfileSampleAccurate, 1, 0) ///< Sample profile is accurate. 318 319/// Treat loops as finite: language, always, never. 320ENUM_CODEGENOPT(FiniteLoops, FiniteLoopsKind, 2, FiniteLoopsKind::Language) 321 322 /// Attempt to use register sized accesses to bit-fields in structures, when 323 /// possible. 324CODEGENOPT(UseRegisterSizedBitfieldAccess , 1, 0) 325 326CODEGENOPT(VerifyModule , 1, 1) ///< Control whether the module should be run 327 ///< through the LLVM Verifier. 328CODEGENOPT(VerifyEach , 1, 1) ///< Control whether the LLVM verifier 329 ///< should run after every pass. 330 331CODEGENOPT(StackRealignment , 1, 0) ///< Control whether to force stack 332 ///< realignment. 333CODEGENOPT(UseInitArray , 1, 0) ///< Control whether to use .init_array or 334 ///< .ctors. 335VALUE_CODEGENOPT(LoopAlignment , 32, 0) ///< Overrides default loop 336 ///< alignment, if not 0. 337VALUE_CODEGENOPT(StackAlignment , 32, 0) ///< Overrides default stack 338 ///< alignment, if not 0. 339VALUE_CODEGENOPT(StackProbeSize , 32, 4096) ///< Overrides default stack 340 ///< probe size, even if 0. 341VALUE_CODEGENOPT(WarnStackSize , 32, UINT_MAX) ///< Set via -fwarn-stack-size. 342CODEGENOPT(NoStackArgProbe, 1, 0) ///< Set when -mno-stack-arg-probe is used 343CODEGENOPT(DebugStrictDwarf, 1, 1) ///< Whether or not to use strict DWARF info. 344 345/// Control the Assignment Tracking debug info feature. 346ENUM_CODEGENOPT(AssignmentTrackingMode, AssignmentTrackingOpts, 2, AssignmentTrackingOpts::Disabled) 347 348CODEGENOPT(DebugColumnInfo, 1, 0) ///< Whether or not to use column information 349 ///< in debug info. 350 351CODEGENOPT(DebugTypeExtRefs, 1, 0) ///< Whether or not debug info should contain 352 ///< external references to a PCH or module. 353 354CODEGENOPT(DebugExplicitImport, 1, 0) ///< Whether or not debug info should 355 ///< contain explicit imports for 356 ///< anonymous namespaces 357 358/// Set debug info source file hashing algorithm. 359ENUM_CODEGENOPT(DebugSrcHash, DebugSrcHashKind, 2, DSH_MD5) 360 361CODEGENOPT(SplitDwarfInlining, 1, 1) ///< Whether to include inlining info in the 362 ///< skeleton CU to allow for symbolication 363 ///< of inline stack frames without .dwo files. 364CODEGENOPT(DebugFwdTemplateParams, 1, 0) ///< Whether to emit complete 365 ///< template parameter descriptions in 366 ///< forward declarations (versus just 367 ///< including them in the name). 368ENUM_CODEGENOPT(DebugSimpleTemplateNames, llvm::codegenoptions::DebugTemplateNamesKind, 2, llvm::codegenoptions::DebugTemplateNamesKind::Full) ///< Whether to emit template parameters 369 ///< in the textual names of template 370 ///< specializations. 371 ///< Implies DebugFwdTemplateNames to 372 ///< allow decorated names to be 373 ///< reconstructed when needed. 374CODEGENOPT(EmitLLVMUseLists, 1, 0) ///< Control whether to serialize use-lists. 375 376CODEGENOPT(WholeProgramVTables, 1, 0) ///< Whether to apply whole-program 377 /// vtable optimization. 378 379CODEGENOPT(VirtualFunctionElimination, 1, 0) ///< Whether to apply the dead 380 /// virtual function elimination 381 /// optimization. 382 383/// Whether to use public LTO visibility for entities in std and stdext 384/// namespaces. This is enabled by clang-cl's /MT and /MTd flags. 385CODEGENOPT(LTOVisibilityPublicStd, 1, 0) 386 387/// The user specified number of registers to be used for integral arguments, 388/// or 0 if unspecified. 389VALUE_CODEGENOPT(NumRegisterParameters, 32, 0) 390 391/// The threshold to put data into small data section. 392VALUE_CODEGENOPT(SmallDataLimit, 32, 0) 393 394/// The lower bound for a buffer to be considered for stack protection. 395VALUE_CODEGENOPT(SSPBufferSize, 32, 0) 396 397/// The kind of generated debug info. 398ENUM_CODEGENOPT(DebugInfo, llvm::codegenoptions::DebugInfoKind, 4, llvm::codegenoptions::NoDebugInfo) 399 400/// Whether to generate macro debug info. 401CODEGENOPT(MacroDebugInfo, 1, 0) 402 403/// Tune the debug info for this debugger. 404ENUM_CODEGENOPT(DebuggerTuning, llvm::DebuggerKind, 3, 405 llvm::DebuggerKind::Default) 406 407/// Dwarf version. Version zero indicates to LLVM that no DWARF should be 408/// emitted. 409VALUE_CODEGENOPT(DwarfVersion, 3, 0) 410 411/// Whether we should emit CodeView debug information. It's possible to emit 412/// CodeView and DWARF into the same object. 413CODEGENOPT(EmitCodeView, 1, 0) 414 415/// Whether to emit the .debug$H section containing hashes of CodeView types. 416CODEGENOPT(CodeViewGHash, 1, 0) 417 418/// Whether to emit the compiler path and command line into the CodeView debug information. 419CODEGENOPT(CodeViewCommandLine, 1, 0) 420 421/// The kind of inlining to perform. 422ENUM_CODEGENOPT(Inlining, InliningMethod, 2, NormalInlining) 423 424/// The maximum stack size a function can have to be considered for inlining. 425VALUE_CODEGENOPT(InlineMaxStackSize, 32, UINT_MAX) 426 427// Vector functions library to use. 428ENUM_CODEGENOPT(VecLib, VectorLibrary, 3, NoLibrary) 429 430/// The default TLS model to use. 431ENUM_CODEGENOPT(DefaultTLSModel, TLSModel, 2, GeneralDynamicTLSModel) 432 433/// Bit size of immediate TLS offsets (0 == use the default). 434VALUE_CODEGENOPT(TLSSize, 8, 0) 435 436/// The default stack protector guard offset to use. 437VALUE_CODEGENOPT(StackProtectorGuardOffset, 32, INT_MAX) 438 439/// Number of path components to strip when emitting checks. (0 == full 440/// filename) 441VALUE_CODEGENOPT(EmitCheckPathComponentsToStrip, 32, 0) 442 443/// Whether to report the hotness of the code region for optimization remarks. 444CODEGENOPT(DiagnosticsWithHotness, 1, 0) 445 446/// Whether to use direct access relocations (instead of GOT) to reference external data symbols. 447CODEGENOPT(DirectAccessExternalData, 1, 0) 448 449/// Whether we should use the undefined behaviour optimization for control flow 450/// paths that reach the end of a function without executing a required return. 451CODEGENOPT(StrictReturn, 1, 1) 452 453/// Whether emit extra debug info for sample pgo profile collection. 454CODEGENOPT(DebugInfoForProfiling, 1, 0) 455 456/// Whether emit pseudo probes for sample pgo profile collection. 457CODEGENOPT(PseudoProbeForProfiling, 1, 0) 458 459/// Whether 3-component vector type is preserved. 460CODEGENOPT(PreserveVec3Type, 1, 0) 461 462/// Whether to emit .debug_gnu_pubnames section instead of .debug_pubnames. 463CODEGENOPT(DebugNameTable, 2, 0) 464 465/// Whether to use DWARF base address specifiers in .debug_ranges. 466CODEGENOPT(DebugRangesBaseAddress, 1, 0) 467 468CODEGENOPT(NoPLT, 1, 0) 469 470/// Whether to embed source in DWARF debug line section. 471CODEGENOPT(EmbedSource, 1, 0) 472 473/// Whether to emit all vtables 474CODEGENOPT(ForceEmitVTables, 1, 0) 475 476/// Whether to emit an address-significance table into the object file. 477CODEGENOPT(Addrsig, 1, 0) 478 479/// Whether to emit unused static constants. 480CODEGENOPT(KeepStaticConsts, 1, 0) 481 482/// Whether to emit all variables that have a persistent storage duration, 483/// including global, static and thread local variables. 484CODEGENOPT(KeepPersistentStorageVariables, 1, 0) 485 486/// Whether to follow the AAPCS enforcing at least one read before storing to a volatile bitfield 487CODEGENOPT(ForceAAPCSBitfieldLoad, 1, 0) 488 489/// Assume that by-value parameters do not alias any other values. 490CODEGENOPT(PassByValueIsNoAlias, 1, 0) 491 492/// Whether to not follow the AAPCS that enforces volatile bit-field access width to be 493/// according to the field declaring type width. 494CODEGENOPT(AAPCSBitfieldWidth, 1, 1) 495 496/// Sets the IEEE bit in the expected default floating point mode register. 497/// Floating point opcodes that support exception flag gathering quiet and 498/// propagate signaling NaN inputs per IEEE 754-2008 (AMDGPU Only) 499CODEGENOPT(EmitIEEENaNCompliantInsts, 1, 1) 500 501// Whether to emit Swift Async function extended frame information: auto, 502// never, always. 503ENUM_CODEGENOPT(SwiftAsyncFramePointer, SwiftAsyncFramePointerKind, 2, 504 SwiftAsyncFramePointerKind::Always) 505 506/// Whether to skip RAX setup when passing variable arguments (x86 only). 507CODEGENOPT(SkipRaxSetup, 1, 0) 508 509/// Whether to zero out caller-used registers before returning. 510ENUM_CODEGENOPT(ZeroCallUsedRegs, llvm::ZeroCallUsedRegs::ZeroCallUsedRegsKind, 511 5, llvm::ZeroCallUsedRegs::ZeroCallUsedRegsKind::Skip) 512 513/// Modify C++ ABI to returning `this` pointer from constructors and 514/// non-deleting destructors. (No effect on Microsoft ABI.) 515CODEGENOPT(CtorDtorReturnThis, 1, 0) 516 517#undef CODEGENOPT 518#undef ENUM_CODEGENOPT 519#undef VALUE_CODEGENOPT 520