1239310Sdim//===-- Mips16FrameLowering.h - Mips16 frame lowering  ----------*- C++ -*-===//
2239310Sdim//
3239310Sdim//                     The LLVM Compiler Infrastructure
4239310Sdim//
5239310Sdim// This file is distributed under the University of Illinois Open Source
6239310Sdim// License. See LICENSE.TXT for details.
7239310Sdim//
8239310Sdim//===----------------------------------------------------------------------===//
9239310Sdim//
10239310Sdim//
11239310Sdim//
12239310Sdim//===----------------------------------------------------------------------===//
13239310Sdim
14239310Sdim#ifndef MIPS16_FRAMEINFO_H
15239310Sdim#define MIPS16_FRAMEINFO_H
16239310Sdim
17239310Sdim#include "MipsFrameLowering.h"
18239310Sdim
19239310Sdimnamespace llvm {
20239310Sdimclass Mips16FrameLowering : public MipsFrameLowering {
21239310Sdimpublic:
22239310Sdim  explicit Mips16FrameLowering(const MipsSubtarget &STI)
23263508Sdim    : MipsFrameLowering(STI, STI.stackAlignment()) {}
24239310Sdim
25239310Sdim  /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
26239310Sdim  /// the function.
27239310Sdim  void emitPrologue(MachineFunction &MF) const;
28239310Sdim  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
29239310Sdim
30249423Sdim  void eliminateCallFramePseudoInstr(MachineFunction &MF,
31249423Sdim                                     MachineBasicBlock &MBB,
32249423Sdim                                     MachineBasicBlock::iterator I) const;
33249423Sdim
34239310Sdim  bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
35239310Sdim                                 MachineBasicBlock::iterator MI,
36239310Sdim                                 const std::vector<CalleeSavedInfo> &CSI,
37239310Sdim                                 const TargetRegisterInfo *TRI) const;
38239310Sdim
39243830Sdim  bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
40243830Sdim                                   MachineBasicBlock::iterator MI,
41243830Sdim                                   const std::vector<CalleeSavedInfo> &CSI,
42243830Sdim                                   const TargetRegisterInfo *TRI) const;
43243830Sdim
44239310Sdim  bool hasReservedCallFrame(const MachineFunction &MF) const;
45239310Sdim
46239310Sdim  void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
47239310Sdim                                            RegScavenger *RS) const;
48239310Sdim};
49239310Sdim
50239310Sdim} // End llvm namespace
51239310Sdim
52239310Sdim#endif
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