text: //===--- MSVC.h - MSVC ToolChain Implementations ----------------*- C++ -*-===//
  //
  // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  // See https://llvm.org/LICENSE.txt for license information.
  // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  //
  //===----------------------------------------------------------------------===//
  
  #ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H
  #define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H
  
  #include "AMDGPU.h"
  #include "Cuda.h"
  #include "clang/Basic/DebugInfoOptions.h"
  #include "clang/Driver/Compilation.h"
  #include "clang/Driver/Tool.h"
  #include "clang/Driver/ToolChain.h"
  #include "llvm/WindowsDriver/MSVCPaths.h"
  
  namespace clang {
  namespace driver {
  namespace tools {
  
  /// Visual studio tools.
  namespace visualstudio {
  class LLVM_LIBRARY_VISIBILITY Linker : public Tool {
  public:
    Linker(const ToolChain &TC) : Tool("visualstudio::Linker", "linker", TC) {}
  
    bool hasIntegratedCPP() const override { return false; }
    bool isLinkJob() const override { return true; }
  
    void ConstructJob(Compilation &C, const JobAction &JA,
                      const InputInfo &Output, const InputInfoList &Inputs,
                      const llvm::opt::ArgList &TCArgs,
                      const char *LinkingOutput) const override;
  
  private:
    void constructMSVCLibCommand(Compilation &C, const JobAction &JA,
                                 const InputInfo &Output,
                                 const InputInfoList &InputFiles,
                                 const llvm::opt::ArgList &Args) const;
  };
  } // end namespace visualstudio
  
  } // end namespace tools
  
  namespace toolchains {
  
  class LLVM_LIBRARY_VISIBILITY MSVCToolChain : public ToolChain {
  public:
    MSVCToolChain(const Driver &D, const llvm::Triple &Triple,
                  const llvm::opt::ArgList &Args);
  
    llvm::opt::DerivedArgList *
    TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
                  Action::OffloadKind DeviceOffloadKind) const override;
  
    bool IsIntegratedAssemblerDefault() const override;
    bool IsUnwindTablesDefault(const llvm::opt::ArgList &Args) const override;
    bool isPICDefault() const override;
    bool isPIEDefault(const llvm::opt::ArgList &Args) const override;
    bool isPICDefaultForced() const override;
  
    /// Set CodeView as the default debug info format for non-MachO binary
    /// formats, and to DWARF otherwise. Users can use -gcodeview and -gdwarf to
    /// override the default.
    codegenoptions::DebugInfoFormat getDefaultDebugFormat() const override {
      return getTriple().isOSBinFormatMachO() ? codegenoptions::DIF_DWARF
                                              : codegenoptions::DIF_CodeView;
    }
  
    /// Set the debugger tuning to "default", since we're definitely not tuning
    /// for GDB.
    llvm::DebuggerKind getDefaultDebuggerTuning() const override {
      return llvm::DebuggerKind::Default;
    }
  
    unsigned GetDefaultDwarfVersion() const override {
      return 4;
    }
  
    std::string getSubDirectoryPath(llvm::SubDirectoryType Type,
                                    llvm::StringRef SubdirParent = "") const;
    std::string getSubDirectoryPath(llvm::SubDirectoryType Type,
                                    llvm::Triple::ArchType TargetArch) const;
  
    bool getIsVS2017OrNewer() const {
      return VSLayout == llvm::ToolsetLayout::VS2017OrNewer;
    }
  
    void
    AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
                              llvm::opt::ArgStringList &CC1Args) const override;
    void AddClangCXXStdlibIncludeArgs(
        const llvm::opt::ArgList &DriverArgs,
        llvm::opt::ArgStringList &CC1Args) const override;
  
    void AddCudaIncludeArgs(const llvm::opt::ArgList &DriverArgs,
                            llvm::opt::ArgStringList &CC1Args) const override;
  
    void AddHIPIncludeArgs(const llvm::opt::ArgList &DriverArgs,
                           llvm::opt::ArgStringList &CC1Args) const override;
  
    bool getWindowsSDKLibraryPath(
        const llvm::opt::ArgList &Args, std::string &path) const;
    bool getUniversalCRTLibraryPath(const llvm::opt::ArgList &Args,
                                    std::string &path) const;
    bool useUniversalCRT() const;
    VersionTuple
    computeMSVCVersion(const Driver *D,
                       const llvm::opt::ArgList &Args) const override;
  
    std::string ComputeEffectiveClangTriple(const llvm::opt::ArgList &Args,
                                            types::ID InputType) const override;
    SanitizerMask getSupportedSanitizers() const override;
  
    void printVerboseInfo(raw_ostream &OS) const override;
  
    bool FoundMSVCInstall() const { return !VCToolChainPath.empty(); }
  
    void
    addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
                          llvm::opt::ArgStringList &CC1Args,
                          Action::OffloadKind DeviceOffloadKind) const override;
  
  protected:
    void AddSystemIncludeWithSubfolder(const llvm::opt::ArgList &DriverArgs,
                                       llvm::opt::ArgStringList &CC1Args,
                                       const std::string &folder,
                                       const Twine &subfolder1,
                                       const Twine &subfolder2 = "",
                                       const Twine &subfolder3 = "") const;
  
    Tool *buildLinker() const override;
    Tool *buildAssembler() const override;
  private:
    llvm::Optional<llvm::StringRef> WinSdkDir, WinSdkVersion, WinSysRoot;
    std::string VCToolChainPath;
    llvm::ToolsetLayout VSLayout = llvm::ToolsetLayout::OlderVS;
    CudaInstallationDetector CudaInstallation;
    RocmInstallationDetector RocmInstallation;
  };
  
  } // end namespace toolchains
  } // end namespace driver
  } // end namespace clang
  
  #endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H
  