third_party/llvm-10.0/llvm/lib/Target/VE/VERegisterInfo.h

//===-- VERegisterInfo.h - VE Register Information Impl ---------*- 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 VE implementation of the TargetRegisterInfo class.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIB_TARGET_VE_VEREGISTERINFO_H
#define LLVM_LIB_TARGET_VE_VEREGISTERINFO_H

#include "llvm/CodeGen/TargetRegisterInfo.h"

#define GET_REGINFO_HEADER
#include "VEGenRegisterInfo.inc"

namespace llvm {
struct VERegisterInfo : public VEGenRegisterInfo {
public:
  VERegisterInfo();

  /// Code Generation virtual methods...
  const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
  const uint32_t *getCallPreservedMask(const MachineFunction &MF,
                                       CallingConv::ID CC) const override;
  const uint32_t *getNoPreservedMask() const override;

  BitVector getReservedRegs(const MachineFunction &MF) const override;
  bool isConstantPhysReg(unsigned PhysReg) const override;

  const TargetRegisterClass *getPointerRegClass(const MachineFunction &MF,
                                                unsigned Kind) const override;

  void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj,
                           unsigned FIOperandNum,
                           RegScavenger *RS = nullptr) const override;

  Register getFrameRegister(const MachineFunction &MF) const override;

  bool canRealignStack(const MachineFunction &MF) const override;
};

} // namespace llvm

#endif