1//===- MipsSEFrameLowering.h - Mips32/64 frame lowering ---------*- 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#ifndef LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H
10#define LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H
11
12#include "MipsFrameLowering.h"
13#include <vector>
14
15namespace llvm {
16
17class MachineBasicBlock;
18class MachineFunction;
19class MipsSubtarget;
20
21class MipsSEFrameLowering : public MipsFrameLowering {
22public:
23  explicit MipsSEFrameLowering(const MipsSubtarget &STI);
24
25  /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
26  /// the function.
27  void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
28  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
29
30  int getFrameIndexReference(const MachineFunction &MF, int FI,
31                             Register &FrameReg) const override;
32
33  bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
34                                 MachineBasicBlock::iterator MI,
35                                 ArrayRef<CalleeSavedInfo> CSI,
36                                 const TargetRegisterInfo *TRI) const override;
37
38  bool hasReservedCallFrame(const MachineFunction &MF) const override;
39
40  void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
41                            RegScavenger *RS) const override;
42
43private:
44  void emitInterruptEpilogueStub(MachineFunction &MF,
45                                 MachineBasicBlock &MBB) const;
46  void emitInterruptPrologueStub(MachineFunction &MF,
47                                 MachineBasicBlock &MBB) const;
48};
49
50} // end namespace llvm
51
52#endif // LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H
53