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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-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H10#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H11 12#include "clang/Driver/Compilation.h"13#include "clang/Driver/CudaInstallationDetector.h"14#include "clang/Driver/LazyDetector.h"15#include "clang/Driver/RocmInstallationDetector.h"16#include "clang/Driver/SyclInstallationDetector.h"17#include "clang/Driver/Tool.h"18#include "clang/Driver/ToolChain.h"19#include "llvm/Frontend/Debug/Options.h"20#include "llvm/WindowsDriver/MSVCPaths.h"21 22namespace clang {23namespace driver {24namespace tools {25 26/// Visual studio tools.27namespace visualstudio {28class LLVM_LIBRARY_VISIBILITY Linker final : public Tool {29public:30 Linker(const ToolChain &TC) : Tool("visualstudio::Linker", "linker", TC) {}31 32 bool hasIntegratedCPP() const override { return false; }33 bool isLinkJob() const override { return true; }34 35 void ConstructJob(Compilation &C, const JobAction &JA,36 const InputInfo &Output, const InputInfoList &Inputs,37 const llvm::opt::ArgList &TCArgs,38 const char *LinkingOutput) const override;39};40} // end namespace visualstudio41 42} // end namespace tools43 44namespace toolchains {45 46class LLVM_LIBRARY_VISIBILITY MSVCToolChain : public ToolChain {47public:48 MSVCToolChain(const Driver &D, const llvm::Triple &Triple,49 const llvm::opt::ArgList &Args);50 51 llvm::opt::DerivedArgList *52 TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,53 Action::OffloadKind DeviceOffloadKind) const override;54 55 UnwindTableLevel56 getDefaultUnwindTableLevel(const llvm::opt::ArgList &Args) const override;57 bool isPICDefault() const override;58 bool isPIEDefault(const llvm::opt::ArgList &Args) const override;59 bool isPICDefaultForced() const override;60 61 /// Set CodeView as the default debug info format for non-MachO binary62 /// formats, and to DWARF otherwise. Users can use -gcodeview and -gdwarf to63 /// override the default.64 llvm::codegenoptions::DebugInfoFormat getDefaultDebugFormat() const override {65 return getTriple().isOSBinFormatCOFF() ? llvm::codegenoptions::DIF_CodeView66 : llvm::codegenoptions::DIF_DWARF;67 }68 69 /// Set the debugger tuning to "default", since we're definitely not tuning70 /// for GDB.71 llvm::DebuggerKind getDefaultDebuggerTuning() const override {72 return llvm::DebuggerKind::Default;73 }74 75 unsigned GetDefaultDwarfVersion() const override {76 return 4;77 }78 79 std::string getSubDirectoryPath(llvm::SubDirectoryType Type,80 llvm::StringRef SubdirParent = "") const;81 std::string getSubDirectoryPath(llvm::SubDirectoryType Type,82 llvm::Triple::ArchType TargetArch) const;83 84 bool getIsVS2017OrNewer() const {85 return VSLayout == llvm::ToolsetLayout::VS2017OrNewer;86 }87 88 void89 AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,90 llvm::opt::ArgStringList &CC1Args) const override;91 void AddClangCXXStdlibIncludeArgs(92 const llvm::opt::ArgList &DriverArgs,93 llvm::opt::ArgStringList &CC1Args) const override;94 95 void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs,96 llvm::opt::ArgStringList &CC1Args) const override;97 98 void AddHIPIncludeArgs(const llvm::opt::ArgList &DriverArgs,99 llvm::opt::ArgStringList &CC1Args) const override;100 101 void AddHIPRuntimeLibArgs(const llvm::opt::ArgList &Args,102 llvm::opt::ArgStringList &CmdArgs) const override;103 104 void addSYCLIncludeArgs(const llvm::opt::ArgList &DriverArgs,105 llvm::opt::ArgStringList &CC1Args) const override;106 107 bool getWindowsSDKLibraryPath(108 const llvm::opt::ArgList &Args, std::string &path) const;109 bool getUniversalCRTLibraryPath(const llvm::opt::ArgList &Args,110 std::string &path) const;111 bool useUniversalCRT() const;112 VersionTuple113 computeMSVCVersion(const Driver *D,114 const llvm::opt::ArgList &Args) const override;115 116 std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args,117 types::ID InputType) const override;118 SanitizerMask getSupportedSanitizers() const override;119 120 void printVerboseInfo(raw_ostream &OS) const override;121 122 bool FoundMSVCInstall() const { return !VCToolChainPath.empty(); }123 124 void125 addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,126 llvm::opt::ArgStringList &CC1Args,127 Action::OffloadKind DeviceOffloadKind) const override;128 129protected:130 void AddSystemIncludeWithSubfolder(const llvm::opt::ArgList &DriverArgs,131 llvm::opt::ArgStringList &CC1Args,132 const std::string &folder,133 const Twine &subfolder1,134 const Twine &subfolder2 = "",135 const Twine &subfolder3 = "") const;136 137 Tool *buildLinker() const override;138 Tool *buildAssembler() const override;139private:140 std::optional<llvm::StringRef> WinSdkDir, WinSdkVersion, WinSysRoot;141 std::string VCToolChainPath;142 llvm::ToolsetLayout VSLayout = llvm::ToolsetLayout::OlderVS;143 LazyDetector<CudaInstallationDetector> CudaInstallation;144 LazyDetector<RocmInstallationDetector> RocmInstallation;145 LazyDetector<SYCLInstallationDetector> SYCLInstallation;146};147 148} // end namespace toolchains149} // end namespace driver150} // end namespace clang151 152#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H153