VETargetMachine.h

//===-- VETargetMachine.h - Define TargetMachine for VE ---------*- 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
//
//===----------------------------------------------------------------------===//
//
// This file declares the VE specific subclass of TargetMachine.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_VE_VETARGETMACHINE_H
#define LLVM_LIB_TARGET_VE_VETARGETMACHINE_H

#include "VEInstrInfo.h"
#include "VESubtarget.h"
#include "llvm/Target/TargetMachine.h"
#include <optional>

namespace llvm {

class VETargetMachine : public LLVMTargetMachine {
  std::unique_ptr<TargetLoweringObjectFile> TLOF;
  VESubtarget Subtarget;
  // Hold Strings that can be free'd all together with VETargetMachine
  //   e.g.: "GCC_except_tableXX" string.
  std::list<std::string> StrList;

public:
  VETargetMachine(const Target &T, const Triple &TT, StringRef CPU,
                  StringRef FS, const TargetOptions &Options,
                  std::optional<Reloc::Model> RM,
                  std::optional<CodeModel::Model> CM, CodeGenOptLevel OL,
                  bool JIT);
  ~VETargetMachine() override;

  const VESubtarget *getSubtargetImpl() const { return &Subtarget; }
  const VESubtarget *getSubtargetImpl(const Function &) const override {
    return &Subtarget;
  }
  std::list<std::string> *getStrList() const {
    return const_cast<std::list<std::string> *>(&StrList);
  }

  // Pass Pipeline Configuration
  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
  TargetLoweringObjectFile *getObjFileLowering() const override {
    return TLOF.get();
  }

  MachineFunctionInfo *
  createMachineFunctionInfo(BumpPtrAllocator &Allocator, const Function &F,
                            const TargetSubtargetInfo *STI) const override;

  bool isMachineVerifierClean() const override { return false; }

  TargetTransformInfo getTargetTransformInfo(const Function &F) const override;

  unsigned getSjLjDataSize() const override { return 64; }
};

} // namespace llvm

#endif