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//===- LanaiRegisterInfo.h - Lanai 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 Lanai implementation of the TargetRegisterInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H
#define LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H
#include "llvm/CodeGen/TargetRegisterInfo.h"
#define GET_REGINFO_HEADER
#include "LanaiGenRegisterInfo.inc"
namespace llvm {
struct LanaiRegisterInfo : public LanaiGenRegisterInfo {
LanaiRegisterInfo();
const uint32_t *getCallPreservedMask(const MachineFunction &MF,
CallingConv::ID) const override;
// Code Generation virtual methods.
const uint16_t *
getCalleeSavedRegs(const MachineFunction *MF = nullptr) const override;
BitVector getReservedRegs(const MachineFunction &MF) const override;
bool requiresRegisterScavenging(const MachineFunction &MF) const override;
bool trackLivenessAfterRegAlloc(const MachineFunction &MF) const override;
void eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj,
unsigned FIOperandNum,
RegScavenger *RS = nullptr) const override;
// Debug information queries.
unsigned getRARegister() const;
Register getFrameRegister(const MachineFunction &MF) const override;
Register getBaseRegister() const;
bool hasBasePointer(const MachineFunction &MF) const;
int getDwarfRegNum(unsigned RegNum, bool IsEH) const;
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_LANAI_LANAIREGISTERINFO_H