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//===--- 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 "Cuda.h"
#include "clang/Basic/DebugInfoOptions.h"
#include "clang/Driver/Compilation.h"
#include "clang/Driver/Tool.h"
#include "clang/Driver/ToolChain.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, RF_Full,
llvm::sys::WEM_UTF16) {}
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;
};
class LLVM_LIBRARY_VISIBILITY Compiler : public Tool {
public:
Compiler(const ToolChain &TC)
: Tool("visualstudio::Compiler", "compiler", TC, RF_Full,
llvm::sys::WEM_UTF16) {}
bool hasIntegratedAssembler() const override { return true; }
bool hasIntegratedCPP() const override { return true; }
bool isLinkJob() const override { return false; }
void ConstructJob(Compilation &C, const JobAction &JA,
const InputInfo &Output, const InputInfoList &Inputs,
const llvm::opt::ArgList &TCArgs,
const char *LinkingOutput) const override;
std::unique_ptr<Command> GetCommand(Compilation &C, const JobAction &JA,
const InputInfo &Output,
const InputInfoList &Inputs,
const llvm::opt::ArgList &TCArgs,
const char *LinkingOutput) 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 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;
}
enum class SubDirectoryType {
Bin,
Include,
Lib,
};
std::string getSubDirectoryPath(SubDirectoryType Type,
llvm::StringRef SubdirParent,
llvm::Triple::ArchType TargetArch) const;
// Convenience overload.
// Uses the current target arch.
std::string getSubDirectoryPath(SubDirectoryType Type,
llvm::StringRef SubdirParent = "") const {
return getSubDirectoryPath(Type, SubdirParent, getArch());
}
enum class ToolsetLayout {
OlderVS,
VS2017OrNewer,
DevDivInternal,
};
bool getIsVS2017OrNewer() const { return VSLayout == 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;
bool getWindowsSDKLibraryPath(std::string &path) const;
/// Check if Universal CRT should be used if available
bool getUniversalCRTLibraryPath(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(); }
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:
std::string VCToolChainPath;
ToolsetLayout VSLayout = ToolsetLayout::OlderVS;
CudaInstallationDetector CudaInstallation;
};
} // end namespace toolchains
} // end namespace driver
} // end namespace clang
#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_MSVC_H