1//===-- Mips16FrameLowering.h - Mips16 frame lowering  ----------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9//
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H
14#define LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H
15
16#include "MipsFrameLowering.h"
17
18namespace llvm {
19class Mips16FrameLowering : public MipsFrameLowering {
20public:
21  explicit Mips16FrameLowering(const MipsSubtarget &STI);
22
23  /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
24  /// the function.
25  void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
26  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
27
28  bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
29                                 MachineBasicBlock::iterator MI,
30                                 ArrayRef<CalleeSavedInfo> CSI,
31                                 const TargetRegisterInfo *TRI) const override;
32
33  bool
34  restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
35                              MachineBasicBlock::iterator MI,
36                              MutableArrayRef<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