HIPAMD.h

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//===--- HIPAMD.h - HIP 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_HIPAMD_H
#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HIPAMD_H
 
#include "AMDGPU.h"
#include "clang/Driver/SyclInstallationDetector.h"
#include "clang/Driver/Tool.h"
#include "clang/Driver/ToolChain.h"
 
namespace clang {
namespace driver {
 
namespace tools {
 
namespace AMDGCN {
// Runs llvm-link/opt/llc/lld, which links multiple LLVM bitcode, together with
// device library, then compiles it to ISA in a shared object.
class LLVM_LIBRARY_VISIBILITY Linker final : public Tool {
public:
  Linker(const ToolChain &TC) : Tool("AMDGCN::Linker", "amdgcn-link", TC) {}
 
  bool hasIntegratedCPP() 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;
 
private:
  void constructLldCommand(Compilation &C, const JobAction &JA,
                           const InputInfoList &Inputs, const InputInfo &Output,
                           const llvm::opt::ArgList &Args) const;
  void constructLLVMLinkCommand(Compilation &C, const JobAction &JA,
                                const InputInfoList &Inputs,
                                const InputInfo &Output,
                                const llvm::opt::ArgList &Args) const;
  void constructLinkAndEmitSpirvCommand(Compilation &C, const JobAction &JA,
                                        const InputInfoList &Inputs,
                                        const InputInfo &Output,
                                        const llvm::opt::ArgList &Args) const;
};
 
} // end namespace AMDGCN
} // end namespace tools
 
namespace toolchains {
 
class LLVM_LIBRARY_VISIBILITY HIPAMDToolChain final : public ROCMToolChain {
public:
  HIPAMDToolChain(const Driver &D, const llvm::Triple &Triple,
                  const ToolChain &HostTC, const llvm::opt::ArgList &Args);
 
  const llvm::Triple *getAuxTriple() const override {
    return &HostTC.getTriple();
  }
 
  llvm::opt::DerivedArgList *
  TranslateArgs(const llvm::opt::DerivedArgList &Args, BoundArch BA,
                Action::OffloadKind DeviceOffloadKind) const override;
 
  void
  addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
                        llvm::opt::ArgStringList &CC1Args, BoundArch BA,
                        Action::OffloadKind DeviceOffloadKind) const override;
  CXXStdlibType GetCXXStdlibType(const llvm::opt::ArgList &Args) const override;
  void
  AddClangSystemIncludeArgs(const llvm::opt::ArgList &DriverArgs,
                            llvm::opt::ArgStringList &CC1Args) const override;
  void AddClangCXXStdlibIncludeArgs(
      const llvm::opt::ArgList &Args,
      llvm::opt::ArgStringList &CC1Args) const override;
  void AddIAMCUIncludeArgs(const llvm::opt::ArgList &DriverArgs,
                           llvm::opt::ArgStringList &CC1Args) const override;
  void AddHIPIncludeArgs(const llvm::opt::ArgList &DriverArgs,
                         llvm::opt::ArgStringList &CC1Args) const override;
  llvm::SmallVector<BitCodeLibraryInfo, 12>
  getDeviceLibs(const llvm::opt::ArgList &Args, BoundArch BA,
                Action::OffloadKind DeviceOffloadKind) const override;
 
  VersionTuple
  computeMSVCVersion(const Driver *D,
                     const llvm::opt::ArgList &Args) const override;
 
  unsigned GetDefaultDwarfVersion() const override { return 5; }
 
  /// HIP uses LTO by default to link device bitcode.
  LTOKind getDefaultLTOMode() const override { return LTOK_Full; }
 
  const ToolChain &HostTC;
  ParsedTargetIDType
  checkTargetID(const llvm::opt::ArgList &DriverArgs) const override;
 
protected:
  Tool *buildLinker() const override;
};
 
class LLVM_LIBRARY_VISIBILITY SPIRVAMDToolChain final : public ROCMToolChain {
public:
  SPIRVAMDToolChain(const Driver &D, const llvm::Triple &Triple,
                    const llvm::opt::ArgList &Args);
 
  /// SPIR-V uses LTO by default to link device bitcode.
  LTOKind getDefaultLTOMode() const override { return LTOK_Full; }
 
protected:
  Tool *buildLinker() const override;
};
 
} // end namespace toolchains
} // end namespace driver
} // end namespace clang
 
#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HIPAMD_H