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 : MipsFrameLowering(STI, STI.hasMips64() ? 16 : 8) {} 25 26 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 27 /// the function. 28 void emitPrologue(MachineFunction &MF) const; 29 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; 30 31 void eliminateCallFramePseudoInstr(MachineFunction &MF, 32 MachineBasicBlock &MBB, 33 MachineBasicBlock::iterator I) const; 34 35 bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, 36 MachineBasicBlock::iterator MI, 37 const std::vector<CalleeSavedInfo> &CSI, 38 const TargetRegisterInfo *TRI) const; 39 40 bool hasReservedCallFrame(const MachineFunction &MF) const; 41 42 void processFunctionBeforeCalleeSavedScan(MachineFunction &MF, 43 RegScavenger *RS) const; 44 unsigned ehDataReg(unsigned I) const; 45 }; 46 47 } // End llvm namespace 48 49 #endif 50
