SPIRV.h

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//===--- SPIRV.h - SPIR-V Tool 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_SPIRV_H
#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_SPIRV_H
 
#include "clang/Driver/Tool.h"
#include "clang/Driver/ToolChain.h"
 
namespace clang {
namespace driver {
namespace tools {
namespace SPIRV {
 
void constructTranslateCommand(Compilation &C, const Tool &T,
                               const JobAction &JA, const InputInfo &Output,
                               const InputInfo &Input,
                               const llvm::opt::ArgStringList &Args);
 
void constructAssembleCommand(Compilation &C, const Tool &T,
                              const JobAction &JA, const InputInfo &Output,
                              const InputInfo &Input,
                              const llvm::opt::ArgStringList &Args);
 
void constructLLVMLinkCommand(Compilation &C, const Tool &T,
                              const JobAction &JA, const InputInfo &Output,
                              const InputInfoList &Inputs,
                              const llvm::opt::ArgList &Args);
 
class LLVM_LIBRARY_VISIBILITY Translator : public Tool {
public:
  Translator(const ToolChain &TC)
      : Tool("SPIR-V::Translator", "llvm-spirv", TC) {}
 
  bool hasIntegratedCPP() const override { return false; }
  bool hasIntegratedAssembler() 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 Linker final : public Tool {
public:
  Linker(const ToolChain &TC) : Tool("SPIR-V::Linker", "spirv-link", 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;
};
 
class LLVM_LIBRARY_VISIBILITY Assembler final : public Tool {
public:
  Assembler(const ToolChain &TC) : Tool("SPIR-V::Assembler", "spirv-as", TC) {}
  bool hasIntegratedAssembler() const override { return false; }
  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 *AssembleOutput) const override;
};
 
} // namespace SPIRV
} // namespace tools
 
namespace toolchains {
 
class LLVM_LIBRARY_VISIBILITY SPIRVToolChain : public ToolChain {
  mutable std::unique_ptr<Tool> Assembler;
 
public:
  SPIRVToolChain(const Driver &D, const llvm::Triple &Triple,
                 const llvm::opt::ArgList &Args);
 
  bool useIntegratedAs() const override { return true; }
 
  bool IsIntegratedBackendDefault() const override { return true; }
  bool IsNonIntegratedBackendSupported() const override { return true; }
  bool IsMathErrnoDefault() const override { return false; }
  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; }
  bool HasNativeLLVMSupport() const override;
 
  clang::driver::Tool *SelectTool(const JobAction &JA) const override;
 
protected:
  clang::driver::Tool *getTool(Action::ActionClass AC) const override;
  Tool *buildLinker() const override;
 
private:
  clang::driver::Tool *getAssembler() const;
 
  bool NativeLLVMSupport;
};
 
} // namespace toolchains
} // namespace driver
} // namespace clang
#endif