1 //===-- MipsSEFrameLowering.h - Mips32/64 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 MIPSSE_FRAMEINFO_H 15 #define MIPSSE_FRAMEINFO_H 16 17 #include "MipsFrameLowering.h" 18 19 namespace llvm { 20 21 class MipsSEFrameLowering : public MipsFrameLowering { 22 public: 23 explicit MipsSEFrameLowering(const MipsSubtarget &STI); 24 25 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 26 /// the function. 27 void emitPrologue(MachineFunction &MF) const override; 28 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 29 30 void eliminateCallFramePseudoInstr(MachineFunction &MF, 31 MachineBasicBlock &MBB, 32 MachineBasicBlock::iterator I) const override; 33 34 bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, 35 MachineBasicBlock::iterator MI, 36 const std::vector<CalleeSavedInfo> &CSI, 37 const TargetRegisterInfo *TRI) const override; 38 39 bool hasReservedCallFrame(const MachineFunction &MF) const override; 40 41 void processFunctionBeforeCalleeSavedScan(MachineFunction &MF, 42 RegScavenger *RS) const override; 43 unsigned ehDataReg(unsigned I) const; 44 }; 45 46 } // End llvm namespace 47 48 #endif 49