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 19 namespace llvm { 20 class Mips16FrameLowering : public MipsFrameLowering { 21 public: 22 explicit Mips16FrameLowering(const MipsSubtarget &STI) 23 : MipsFrameLowering(STI, 8) {} 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
