1//===-- Thumb1FrameLowering.h - Thumb1-specific frame info stuff --*- 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 LLVM_ARM_THUMB1FRAMELOWERING_H
15#define LLVM_ARM_THUMB1FRAMELOWERING_H
16
17#include "ARMFrameLowering.h"
18#include "Thumb1InstrInfo.h"
19#include "Thumb1RegisterInfo.h"
20#include "llvm/Target/TargetFrameLowering.h"
21
22namespace llvm {
23
24class Thumb1FrameLowering : public ARMFrameLowering {
25public:
26  explicit Thumb1FrameLowering(const ARMSubtarget &sti);
27
28  /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
29  /// the function.
30  void emitPrologue(MachineFunction &MF) const override;
31  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) 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  bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
38                                  MachineBasicBlock::iterator MI,
39                                  const std::vector<CalleeSavedInfo> &CSI,
40                                  const TargetRegisterInfo *TRI) const override;
41
42  bool hasReservedCallFrame(const MachineFunction &MF) const override;
43
44  void
45  eliminateCallFramePseudoInstr(MachineFunction &MF,
46                                MachineBasicBlock &MBB,
47                                MachineBasicBlock::iterator MI) const override;
48};
49
50} // End llvm namespace
51
52#endif
53