Mips16FrameLowering.h revision 700ed80d3da5e98e05ceb90e9bfb66058581a6db
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 MIPS16_FRAMEINFO_H 15#define MIPS16_FRAMEINFO_H 16 17#include "MipsFrameLowering.h" 18 19namespace llvm { 20class Mips16FrameLowering : public MipsFrameLowering { 21public: 22 explicit Mips16FrameLowering(const MipsSubtarget &STI) 23 : MipsFrameLowering(STI) {} 24 25 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 26 /// the function. 27 void emitPrologue(MachineFunction &MF) const; 28 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; 29 30 void eliminateCallFramePseudoInstr(MachineFunction &MF, 31 MachineBasicBlock &MBB, 32 MachineBasicBlock::iterator I) const; 33 34 bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, 35 MachineBasicBlock::iterator MI, 36 const std::vector<CalleeSavedInfo> &CSI, 37 const TargetRegisterInfo *TRI) const; 38 39 bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, 40 MachineBasicBlock::iterator MI, 41 const std::vector<CalleeSavedInfo> &CSI, 42 const TargetRegisterInfo *TRI) const; 43 44 bool hasReservedCallFrame(const MachineFunction &MF) const; 45 46 void processFunctionBeforeCalleeSavedScan(MachineFunction &MF, 47 RegScavenger *RS) const; 48}; 49 50} // End llvm namespace 51 52#endif 53