1 //===-- Mips16FrameLowering.h - Mips16 frame lowering ----------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H
15 #define LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H
17 #include "MipsFrameLowering.h"
20 class Mips16FrameLowering : public MipsFrameLowering {
22 explicit Mips16FrameLowering(const MipsSubtarget &STI);
24 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
26 void emitPrologue(MachineFunction &MF) const override;
27 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
29 void eliminateCallFramePseudoInstr(MachineFunction &MF,
30 MachineBasicBlock &MBB,
31 MachineBasicBlock::iterator I) const override;
33 bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
34 MachineBasicBlock::iterator MI,
35 const std::vector<CalleeSavedInfo> &CSI,
36 const TargetRegisterInfo *TRI) const override;
38 bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
39 MachineBasicBlock::iterator MI,
40 const std::vector<CalleeSavedInfo> &CSI,
41 const TargetRegisterInfo *TRI) const override;
43 bool hasReservedCallFrame(const MachineFunction &MF) const override;
45 void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
46 RegScavenger *RS) const override;
49 } // End llvm namespace