third_party/llvm-16.0/llvm/lib/Target/SPIRV/SPIRVRegisterInfo.h

//===-- SPIRVRegisterInfo.h - SPIR-V Register Information -------*- 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 contains the SPIR-V implementation of the TargetRegisterInfo class.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_SPIRV_SPIRVREGISTERINFO_H
#define LLVM_LIB_TARGET_SPIRV_SPIRVREGISTERINFO_H

#include "llvm/CodeGen/TargetRegisterInfo.h"

#define GET_REGINFO_HEADER
#include "SPIRVGenRegisterInfo.inc"

namespace llvm {

struct SPIRVRegisterInfo : public SPIRVGenRegisterInfo {
  SPIRVRegisterInfo();
  const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
  BitVector getReservedRegs(const MachineFunction &MF) const override;
  bool eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
                           unsigned FIOperandNum,
                           RegScavenger *RS = nullptr) const override {
    return false;
  }
  Register getFrameRegister(const MachineFunction &MF) const override {
    return 0;
  }
};
} // namespace llvm

#endif // LLVM_LIB_TARGET_SPIRV_SPIRVREGISTERINFO_H