HIPSPV.h

//===--- HIPSPV.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_HIPSPV_H
#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HIPSPV_H

#include "SPIRV.h"
#include "clang/Driver/Tool.h"
#include "clang/Driver/ToolChain.h"

namespace clang {
namespace driver {
namespace tools {
namespace HIPSPV {

// Runs llvm-link/opt/llc/lld, which links multiple LLVM bitcode, together with
// device library, then compiles it to SPIR-V in a shared object.
class LLVM_LIBRARY_VISIBILITY Linker final : public Tool {
public:
  Linker(const ToolChain &TC) : Tool("HIPSPV::Linker", "hipspv-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 constructLinkAndEmitSpirvCommand(Compilation &C, const JobAction &JA,
                                        const InputInfoList &Inputs,
                                        const InputInfo &Output,
                                        const llvm::opt::ArgList &Args) const;
};

} // namespace HIPSPV
} // namespace tools

namespace toolchains {

class LLVM_LIBRARY_VISIBILITY HIPSPVToolChain final : public ToolChain {
public:
  HIPSPVToolChain(const Driver &D, const llvm::Triple &Triple,
                  const ToolChain &HostTC, const llvm::opt::ArgList &Args);

  const llvm::Triple *getAuxTriple() const override {
    return &HostTC.getTriple();
  }

  void
  addClangTargetOptions(const llvm::opt::ArgList &DriverArgs,
                        llvm::opt::ArgStringList &CC1Args,
                        Action::OffloadKind DeviceOffloadKind) const override;
  void addClangWarningOptions(llvm::opt::ArgStringList &CC1Args) 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) const override;

  SanitizerMask getSupportedSanitizers() const override;

  VersionTuple
  computeMSVCVersion(const Driver *D,
                     const llvm::opt::ArgList &Args) const override;

  void adjustDebugInfoKind(llvm::codegenoptions::DebugInfoKind &DebugInfoKind,
                           const llvm::opt::ArgList &Args) const override;
  bool IsMathErrnoDefault() const override { return false; }
  bool useIntegratedAs() const override { return true; }
  bool isCrossCompiling() const override { return true; }
  bool isPICDefault() const override { return false; }
  bool isPIEDefault(const llvm::opt::ArgList &Args) const override {
    return false;
  }
  bool isPICDefaultForced() const override { return false; }
  bool SupportsProfiling() const override { return false; }

  const ToolChain &HostTC;

protected:
  Tool *buildLinker() const override;
};

} // end namespace toolchains
} // end namespace driver
} // end namespace clang

#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_HIPSPV_H