MipsSEFrameLowering.h revision 544cc21cf4807116251a699d8b1d3d4bace21597 
1//===-- MipsSEFrameLowering.h - Mips32/64 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 MIPSSE_FRAMEINFO_H
15#define MIPSSE_FRAMEINFO_H
16
17#include "MipsFrameLowering.h"
18
19namespace llvm {
20
21class MipsSEFrameLowering : public MipsFrameLowering {
22public:
23  explicit MipsSEFrameLowering(const MipsSubtarget &STI)
24    : MipsFrameLowering(STI) {}
25
26  /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
27  /// the function.
28  void emitPrologue(MachineFunction &MF) const;
29  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
30
31  bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
32                                 MachineBasicBlock::iterator MI,
33                                 const std::vector<CalleeSavedInfo> &CSI,
34                                 const TargetRegisterInfo *TRI) const;
35
36  bool hasReservedCallFrame(const MachineFunction &MF) const;
37
38  void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
39                                            RegScavenger *RS) const;
40  unsigned ehDataReg(unsigned I) const;
41};
42
43} // End llvm namespace
44
45#endif
46