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1//===-- CSKYRegisterInfo.h - CSKY Register Information Impl ---*- C++ -*---===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8//9// This file contains the CSKY implementation of the TargetRegisterInfo class.10//11//===----------------------------------------------------------------------===//12 13#ifndef LLVM_LIB_TARGET_CSKY_CSKYREGISTERINFO_H14#define LLVM_LIB_TARGET_CSKY_CSKYREGISTERINFO_H15 16#include "llvm/CodeGen/TargetRegisterInfo.h"17 18#define GET_REGINFO_HEADER19#include "CSKYGenRegisterInfo.inc"20 21namespace llvm {22class CSKYInstrInfo;23 24class CSKYRegisterInfo : public CSKYGenRegisterInfo {25public:26 CSKYRegisterInfo();27 28 const uint32_t *getCallPreservedMask(const MachineFunction &MF,29 CallingConv::ID id) const override;30 const uint32_t *getNoPreservedMask() const override;31 32 BitVector getReservedRegs(const MachineFunction &MF) const override;33 34 Register getFrameRegister(const MachineFunction &MF) const override;35 36 const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;37 38 bool eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,39 unsigned FIOperandNum,40 RegScavenger *RS) const override;41 42 bool requiresFrameIndexScavenging(const MachineFunction &MF) const override {43 return true;44 }45 46 bool requiresRegisterScavenging(const MachineFunction &MF) const override {47 return true;48 }49 50 bool useFPForScavengingIndex(const MachineFunction &MF) const override {51 return false;52 }53};54 55} // namespace llvm56 57#endif // LLVM_LIB_TARGET_CSKY_CSKYREGISTERINFO_H58