1 //===--- TargetOptions.h ----------------------------------------*- 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 /// \file 10 /// Defines the clang::TargetOptions class. 11 /// 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_CLANG_BASIC_TARGETOPTIONS_H 15 #define LLVM_CLANG_BASIC_TARGETOPTIONS_H 16 17 #include "clang/Basic/OpenCLOptions.h" 18 #include "llvm/Support/VersionTuple.h" 19 #include "llvm/Target/TargetOptions.h" 20 #include <string> 21 #include <vector> 22 23 namespace clang { 24 25 /// Options for controlling the target. 26 class TargetOptions { 27 public: 28 /// The name of the target triple to compile for. 29 std::string Triple; 30 31 /// When compiling for the device side, contains the triple used to compile 32 /// for the host. 33 std::string HostTriple; 34 35 /// If given, the name of the target CPU to generate code for. 36 std::string CPU; 37 38 /// If given, the name of the target CPU to tune code for. 39 std::string TuneCPU; 40 41 /// If given, the unit to use for floating point math. 42 std::string FPMath; 43 44 /// If given, the name of the target ABI to use. 45 std::string ABI; 46 47 /// The EABI version to use 48 llvm::EABI EABIVersion = llvm::EABI::Default; 49 50 /// If given, the version string of the linker in use. 51 std::string LinkerVersion; 52 53 /// The list of target specific features to enable or disable, as written on the command line. 54 std::vector<std::string> FeaturesAsWritten; 55 56 /// The list of target specific features to enable or disable -- this should 57 /// be a list of strings starting with by '+' or '-'. 58 std::vector<std::string> Features; 59 60 /// The map of which features have been enabled disabled based on the command 61 /// line. 62 llvm::StringMap<bool> FeatureMap; 63 64 /// Supported OpenCL extensions and optional core features. 65 llvm::StringMap<bool> OpenCLFeaturesMap; 66 67 /// The list of OpenCL extensions to enable or disable, as written on 68 /// the command line. 69 std::vector<std::string> OpenCLExtensionsAsWritten; 70 71 /// If given, enables support for __int128_t and __uint128_t types. 72 bool ForceEnableInt128 = false; 73 74 /// \brief If enabled, use 32-bit pointers for accessing const/local/shared 75 /// address space. 76 bool NVPTXUseShortPointers = false; 77 78 /// \brief If enabled, allow AMDGPU unsafe floating point atomics. 79 bool AllowAMDGPUUnsafeFPAtomics = false; 80 81 /// \brief Code object version for AMDGPU. 82 llvm::CodeObjectVersionKind CodeObjectVersion = 83 llvm::CodeObjectVersionKind::COV_None; 84 85 /// \brief Enumeration values for AMDGPU printf lowering scheme 86 enum class AMDGPUPrintfKind { 87 /// printf lowering scheme involving hostcalls, currently used by HIP 88 /// programs by default 89 Hostcall = 0, 90 91 /// printf lowering scheme involving implicit printf buffers, 92 Buffered = 1, 93 }; 94 95 /// \brief AMDGPU Printf lowering scheme 96 AMDGPUPrintfKind AMDGPUPrintfKindVal = AMDGPUPrintfKind::Hostcall; 97 98 // The code model to be used as specified by the user. Corresponds to 99 // CodeModel::Model enum defined in include/llvm/Support/CodeGen.h, plus 100 // "default" for the case when the user has not explicitly specified a 101 // code model. 102 std::string CodeModel; 103 104 // The large data threshold used for certain code models on certain 105 // architectures. 106 uint64_t LargeDataThreshold; 107 108 /// The version of the SDK which was used during the compilation. 109 /// The option is used for two different purposes: 110 /// * on darwin the version is propagated to LLVM where it's used 111 /// to support SDK Version metadata (See D55673). 112 /// * CUDA compilation uses it to control parts of CUDA compilation 113 /// in clang that depend on specific version of the CUDA SDK. 114 llvm::VersionTuple SDKVersion; 115 116 /// The name of the darwin target- ariant triple to compile for. 117 std::string DarwinTargetVariantTriple; 118 119 /// The version of the darwin target variant SDK which was used during the 120 /// compilation. 121 llvm::VersionTuple DarwinTargetVariantSDKVersion; 122 123 /// The validator version for dxil. 124 std::string DxilValidatorVersion; 125 126 /// The entry point name for HLSL shader being compiled as specified by -E. 127 std::string HLSLEntry; 128 }; 129 130 } // end namespace clang 131 132 #endif 133