1 //===- MipsSEFrameLowering.h - Mips32/64 frame lowering ---------*- C++ -*-===//
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
7 //===----------------------------------------------------------------------===//
9 #ifndef LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H
10 #define LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H
12 #include "MipsFrameLowering.h"
17 class MachineBasicBlock;
18 class MachineFunction;
21 class MipsSEFrameLowering : public MipsFrameLowering {
23 explicit MipsSEFrameLowering(const MipsSubtarget &STI);
25 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
27 void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
28 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
30 int getFrameIndexReference(const MachineFunction &MF, int FI,
31 unsigned &FrameReg) const override;
33 bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
34 MachineBasicBlock::iterator MI,
35 const std::vector<CalleeSavedInfo> &CSI,
36 const TargetRegisterInfo *TRI) const override;
38 bool hasReservedCallFrame(const MachineFunction &MF) const override;
40 void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
41 RegScavenger *RS) const override;
44 void emitInterruptEpilogueStub(MachineFunction &MF,
45 MachineBasicBlock &MBB) const;
46 void emitInterruptPrologueStub(MachineFunction &MF,
47 MachineBasicBlock &MBB) const;
50 } // end namespace llvm
52 #endif // LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H