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 MIPS16_FRAMEINFO_H
15 #define MIPS16_FRAMEINFO_H
17 #include "MipsFrameLowering.h"
20 class Mips16FrameLowering : public MipsFrameLowering {
22 explicit Mips16FrameLowering(const MipsSubtarget &STI)
23 : MipsFrameLowering(STI, 8) {}
25 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
27 void emitPrologue(MachineFunction &MF) const;
28 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
30 void eliminateCallFramePseudoInstr(MachineFunction &MF,
31 MachineBasicBlock &MBB,
32 MachineBasicBlock::iterator I) const;
34 bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
35 MachineBasicBlock::iterator MI,
36 const std::vector<CalleeSavedInfo> &CSI,
37 const TargetRegisterInfo *TRI) const;
39 bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
40 MachineBasicBlock::iterator MI,
41 const std::vector<CalleeSavedInfo> &CSI,
42 const TargetRegisterInfo *TRI) const;
44 bool hasReservedCallFrame(const MachineFunction &MF) const;
46 void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
47 RegScavenger *RS) const;
50 } // End llvm namespace