LLVM 20.0.0git
LoongArchRegisterInfo.h
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1//= LoongArchRegisterInfo.h - LoongArch 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-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// This file contains the LoongArch implementation of the TargetRegisterInfo
10// class.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_LOONGARCH_LOONGARCHREGISTERINFO_H
15#define LLVM_LIB_TARGET_LOONGARCH_LOONGARCHREGISTERINFO_H
16
18
19#define GET_REGINFO_HEADER
20#include "LoongArchGenRegisterInfo.inc"
21
22namespace llvm {
23
25
26 LoongArchRegisterInfo(unsigned HwMode);
27
28 const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
30 CallingConv::ID) const override;
31 const uint32_t *getNoPreservedMask() const override;
32
33 BitVector getReservedRegs(const MachineFunction &MF) const override;
34
37 unsigned Kind = 0) const override {
38 return &LoongArch::GPRRegClass;
39 }
40
42 unsigned FIOperandNum,
43 RegScavenger *RS = nullptr) const override;
44
45 Register getFrameRegister(const MachineFunction &MF) const override;
46
47 bool requiresRegisterScavenging(const MachineFunction &MF) const override {
48 return true;
49 }
50
51 bool requiresFrameIndexScavenging(const MachineFunction &MF) const override {
52 return true;
53 }
54 bool canRealignStack(const MachineFunction &MF) const override;
55};
56} // end namespace llvm
57
58#endif // LLVM_LIB_TARGET_LOONGARCH_LOONGARCHREGISTERINFO_H
IRTranslator LLVM IR MI
Wrapper class representing virtual and physical registers.
Definition: Register.h:19
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
bool eliminateFrameIndex(MachineBasicBlock::iterator MI, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=nullptr) const override
const uint32_t * getCallPreservedMask(const MachineFunction &MF, CallingConv::ID) const override
bool requiresFrameIndexScavenging(const MachineFunction &MF) const override
const MCPhysReg * getCalleeSavedRegs(const MachineFunction *MF) const override
Register getFrameRegister(const MachineFunction &MF) const override
bool requiresRegisterScavenging(const MachineFunction &MF) const override
const uint32_t * getNoPreservedMask() const override
BitVector getReservedRegs(const MachineFunction &MF) const override
bool canRealignStack(const MachineFunction &MF) const override
const TargetRegisterClass * getPointerRegClass(const MachineFunction &MF, unsigned Kind=0) const override