1//===-- Mips16FrameLowering.h - Mips16 frame lowering  ----------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10//
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef MIPS16_FRAMEINFO_H
15#define MIPS16_FRAMEINFO_H
16
17#include "MipsFrameLowering.h"
18
19namespace llvm {
20class Mips16FrameLowering : public MipsFrameLowering {
21public:
22  explicit Mips16FrameLowering(const MipsSubtarget &STI);
23
24  /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
25  /// the function.
26  void emitPrologue(MachineFunction &MF) const override;
27  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
28
29  void eliminateCallFramePseudoInstr(MachineFunction &MF,
30                                  MachineBasicBlock &MBB,
31                                  MachineBasicBlock::iterator I) const override;
32
33  bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
34                                 MachineBasicBlock::iterator MI,
35                                 const std::vector<CalleeSavedInfo> &CSI,
36                                 const TargetRegisterInfo *TRI) const override;
37
38  bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
39                                  MachineBasicBlock::iterator MI,
40                                  const std::vector<CalleeSavedInfo> &CSI,
41                                  const TargetRegisterInfo *TRI) const override;
42
43  bool hasReservedCallFrame(const MachineFunction &MF) const override;
44
45  void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
46                                            RegScavenger *RS) const override;
47};
48
49} // End llvm namespace
50
51#endif
52