1 //===--- MSVC.h - MSVC ToolChain Implementations ----------------*- 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 #ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H 10 #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H 11 12 #include "AMDGPU.h" 13 #include "Cuda.h" 14 #include "LazyDetector.h" 15 #include "clang/Driver/Compilation.h" 16 #include "clang/Driver/Tool.h" 17 #include "clang/Driver/ToolChain.h" 18 #include "llvm/Frontend/Debug/Options.h" 19 #include "llvm/WindowsDriver/MSVCPaths.h" 20 21 namespace clang { 22 namespace driver { 23 namespace tools { 24 25 /// Visual studio tools. 26 namespace visualstudio { 27 class LLVM_LIBRARY_VISIBILITY Linker final : public Tool { 28 public: 29 Linker(const ToolChain &TC) : Tool("visualstudio::Linker", "linker", TC) {} 30 31 bool hasIntegratedCPP() const override { return false; } 32 bool isLinkJob() const override { return true; } 33 34 void ConstructJob(Compilation &C, const JobAction &JA, 35 const InputInfo &Output, const InputInfoList &Inputs, 36 const llvm::opt::ArgList &TCArgs, 37 const char *LinkingOutput) const override; 38 }; 39 } // end namespace visualstudio 40 41 } // end namespace tools 42 43 namespace toolchains { 44 45 class LLVM_LIBRARY_VISIBILITY MSVCToolChain : public ToolChain { 46 public: 47 MSVCToolChain(const Driver &D, const llvm::Triple &Triple, 48 const llvm::opt::ArgList &Args); 49 50 llvm::opt::DerivedArgList * 51 TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch, 52 Action::OffloadKind DeviceOffloadKind) const override; 53 54 UnwindTableLevel 55 getDefaultUnwindTableLevel(const llvm::opt::ArgList &Args) const override; 56 bool isPICDefault() const override; 57 bool isPIEDefault(const llvm::opt::ArgList &Args) const override; 58 bool isPICDefaultForced() const override; 59 60 /// Set CodeView as the default debug info format for non-MachO binary 61 /// formats, and to DWARF otherwise. Users can use -gcodeview and -gdwarf to 62 /// override the default. 63 llvm::codegenoptions::DebugInfoFormat getDefaultDebugFormat() const override { 64 return getTriple().isOSBinFormatCOFF() ? llvm::codegenoptions::DIF_CodeView 65 : llvm::codegenoptions::DIF_DWARF; 66 } 67 68 /// Set the debugger tuning to "default", since we're definitely not tuning 69 /// for GDB. 70 llvm::DebuggerKind getDefaultDebuggerTuning() const override { 71 return llvm::DebuggerKind::Default; 72 } 73 74 unsigned GetDefaultDwarfVersion() const override { 75 return 4; 76 } 77 78 std::string getSubDirectoryPath(llvm::SubDirectoryType Type, 79 llvm::StringRef SubdirParent = "") const; 80 std::string getSubDirectoryPath(llvm::SubDirectoryType Type, 81 llvm::Triple::ArchType TargetArch) const; 82 83 bool getIsVS2017OrNewer() const { 84 return VSLayout == llvm::ToolsetLayout::VS2017OrNewer; 85 } 86 87 void 88 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs, 89 llvm::opt::ArgStringList &CC1Args) const override; 90 void AddClangCXXStdlibIncludeArgs( 91 const llvm::opt::ArgList &DriverArgs, 92 llvm::opt::ArgStringList &CC1Args) const override; 93 94 void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs, 95 llvm::opt::ArgStringList &CC1Args) const override; 96 97 void AddHIPIncludeArgs(const llvm::opt::ArgList &DriverArgs, 98 llvm::opt::ArgStringList &CC1Args) const override; 99 100 void AddHIPRuntimeLibArgs(const llvm::opt::ArgList &Args, 101 llvm::opt::ArgStringList &CmdArgs) const override; 102 103 bool getWindowsSDKLibraryPath( 104 const llvm::opt::ArgList &Args, std::string &path) const; 105 bool getUniversalCRTLibraryPath(const llvm::opt::ArgList &Args, 106 std::string &path) const; 107 bool useUniversalCRT() const; 108 VersionTuple 109 computeMSVCVersion(const Driver *D, 110 const llvm::opt::ArgList &Args) const override; 111 112 std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args, 113 types::ID InputType) const override; 114 SanitizerMask getSupportedSanitizers() const override; 115 116 void printVerboseInfo(raw_ostream &OS) const override; 117 118 bool FoundMSVCInstall() const { return !VCToolChainPath.empty(); } 119 120 void 121 addClangTargetOptions(const llvm::opt::ArgList &DriverArgs, 122 llvm::opt::ArgStringList &CC1Args, 123 Action::OffloadKind DeviceOffloadKind) const override; 124 125 protected: 126 void AddSystemIncludeWithSubfolder(const llvm::opt::ArgList &DriverArgs, 127 llvm::opt::ArgStringList &CC1Args, 128 const std::string &folder, 129 const Twine &subfolder1, 130 const Twine &subfolder2 = "", 131 const Twine &subfolder3 = "") const; 132 133 Tool *buildLinker() const override; 134 Tool *buildAssembler() const override; 135 private: 136 std::optional<llvm::StringRef> WinSdkDir, WinSdkVersion, WinSysRoot; 137 std::string VCToolChainPath; 138 llvm::ToolsetLayout VSLayout = llvm::ToolsetLayout::OlderVS; 139 LazyDetector<CudaInstallationDetector> CudaInstallation; 140 LazyDetector<RocmInstallationDetector> RocmInstallation; 141 }; 142 143 } // end namespace toolchains 144 } // end namespace driver 145 } // end namespace clang 146 147 #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H 148