clang/lib/Driver/ToolChains/MSVC.h

   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 "clang/Driver/Compilation.h"
  15 #include "clang/Driver/Tool.h"
  16 #include "clang/Driver/ToolChain.h"
  17 #include "llvm/Frontend/Debug/Options.h"
  18 #include "llvm/WindowsDriver/MSVCPaths.h"
  19
  20 namespace clang {
  21 namespace driver {
  22 namespace tools {
  23
  24 /// Visual studio tools.
  25 namespace visualstudio {
  26 class LLVM_LIBRARY_VISIBILITY Linker final : public Tool {
  27 public:
  28   Linker(const ToolChain &TC) : Tool("visualstudio::Linker", "linker", TC) {}
  29
  30   bool hasIntegratedCPP() const override { return false; }
  31   bool isLinkJob() const override { return true; }
  32
  33   void ConstructJob(Compilation &C, const JobAction &JA,
  34                     const InputInfo &Output, const InputInfoList &Inputs,
  35                     const llvm::opt::ArgList &TCArgs,
  36                     const char *LinkingOutput) const override;
  37 };
  38 } // end namespace visualstudio
  39
  40 } // end namespace tools
  41
  42 namespace toolchains {
  43
  44 class LLVM_LIBRARY_VISIBILITY MSVCToolChain : public ToolChain {
  45 public:
  46   MSVCToolChain(const Driver &D, const llvm::Triple &Triple,
  47                 const llvm::opt::ArgList &Args);
  48
  49   llvm::opt::DerivedArgList *
  50   TranslateArgs(const llvm::opt::DerivedArgList &Args, StringRef BoundArch,
  51                 Action::OffloadKind DeviceOffloadKind) const override;
  52
  53   UnwindTableLevel
  54   getDefaultUnwindTableLevel(const llvm::opt::ArgList &Args) const override;
  55   bool isPICDefault() const override;
  56   bool isPIEDefault(const llvm::opt::ArgList &Args) const override;
  57   bool isPICDefaultForced() const override;
  58
  59   /// Set CodeView as the default debug info format for non-MachO binary
  60   /// formats, and to DWARF otherwise. Users can use -gcodeview and -gdwarf to
  61   /// override the default.
  62   llvm::codegenoptions::DebugInfoFormat getDefaultDebugFormat() const override {
  63     return getTriple().isOSBinFormatMachO()
  64                ? llvm::codegenoptions::DIF_DWARF
  65                : llvm::codegenoptions::DIF_CodeView;
  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   CudaInstallationDetector CudaInstallation;
 140   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