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//= LoongArchRegisterInfo.h - LoongArch 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 LoongArch implementation of the TargetRegisterInfo
// class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIB_TARGET_LOONGARCH_LOONGARCHREGISTERINFO_H
#define LLVM_LIB_TARGET_LOONGARCH_LOONGARCHREGISTERINFO_H
#include "llvm/CodeGen/TargetRegisterInfo.h"
#define GET_REGINFO_HEADER
#include "LoongArchGenRegisterInfo.inc"
namespace llvm {
struct LoongArchRegisterInfo : public LoongArchGenRegisterInfo {
LoongArchRegisterInfo(unsigned HwMode);
const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
const uint32_t *getCallPreservedMask(const MachineFunction &MF,
CallingConv::ID) const override;
const uint32_t *getNoPreservedMask() const override;
BitVector getReservedRegs(const MachineFunction &MF) const override;
const TargetRegisterClass *
getPointerRegClass(const MachineFunction &MF,
unsigned Kind = 0) const override {
return &LoongArch::GPRRegClass;
}
bool eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj,
unsigned FIOperandNum,
RegScavenger *RS = nullptr) const override;
Register getFrameRegister(const MachineFunction &MF) const override;
bool requiresRegisterScavenging(const MachineFunction &MF) const override {
return true;
}
bool requiresFrameIndexScavenging(const MachineFunction &MF) const override {
return true;
}
};
} // end namespace llvm
#endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHREGISTERINFO_H
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