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 LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H
15#define LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_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, MachineBasicBlock &MBB) const override;
27  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
28
29  bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
30                                 MachineBasicBlock::iterator MI,
31                                 const std::vector<CalleeSavedInfo> &CSI,
32                                 const TargetRegisterInfo *TRI) const override;
33
34  bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
35                                  MachineBasicBlock::iterator MI,
36                                  const std::vector<CalleeSavedInfo> &CSI,
37                                  const TargetRegisterInfo *TRI) const override;
38
39  bool hasReservedCallFrame(const MachineFunction &MF) const override;
40
41  void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs,
42                            RegScavenger *RS) const override;
43};
44
45} // End llvm namespace
46
47#endif
48