LLVM 17.0.0git
ARCRegisterInfo.h
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1//===- ARCRegisterInfo.h - ARC 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 ARC implementation of the MRegisterInfo class.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H
14#define LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H
15
17
18#define GET_REGINFO_HEADER
19#include "ARCGenRegisterInfo.inc"
20
21namespace llvm {
22
23class TargetInstrInfo;
24class ARCSubtarget;
25
28
29public:
31
32 /// Code Generation virtual methods...
33
34 const MCPhysReg *getCalleeSavedRegs(const MachineFunction *MF) const override;
35
36 BitVector getReservedRegs(const MachineFunction &MF) const override;
37
38 bool requiresRegisterScavenging(const MachineFunction &MF) const override;
39
40 bool useFPForScavengingIndex(const MachineFunction &MF) const override;
41
42 bool supportsBackwardScavenger() const override { return true; }
43
45 unsigned FIOperandNum,
46 RegScavenger *RS = nullptr) const override;
47
49 CallingConv::ID CC) const override;
50
51 // Debug information queries.
52 Register getFrameRegister(const MachineFunction &MF) const override;
53
54 //! Return whether to emit frame moves
55 static bool needsFrameMoves(const MachineFunction &MF);
56};
57
58} // end namespace llvm
59
60#endif // LLVM_LIB_TARGET_ARC_ARCREGISTERINFO_H
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
const MCPhysReg * getCalleeSavedRegs(const MachineFunction *MF) const override
Code Generation virtual methods...
BitVector getReservedRegs(const MachineFunction &MF) const override
const uint32_t * getCallPreservedMask(const MachineFunction &MF, CallingConv::ID CC) const override
bool useFPForScavengingIndex(const MachineFunction &MF) const override
const ARCSubtarget & ST
bool supportsBackwardScavenger() const override
Register getFrameRegister(const MachineFunction &MF) const override
bool eliminateFrameIndex(MachineBasicBlock::iterator II, int SPAdj, unsigned FIOperandNum, RegScavenger *RS=nullptr) const override
static bool needsFrameMoves(const MachineFunction &MF)
Return whether to emit frame moves.
bool requiresRegisterScavenging(const MachineFunction &MF) const override