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 LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H 15 #define LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_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, MachineBasicBlock &MBB) const override; 28 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 29 30 int getFrameIndexReference(const MachineFunction &MF, int FI, 31 unsigned &FrameReg) const override; 32 33 bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, 34 MachineBasicBlock::iterator MI, 35 const std::vector<CalleeSavedInfo> &CSI, 36 const TargetRegisterInfo *TRI) const override; 37 38 bool hasReservedCallFrame(const MachineFunction &MF) const override; 39 40 void determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs, 41 RegScavenger *RS) const override; 42 unsigned ehDataReg(unsigned I) const; 43 44 private: 45 void emitInterruptEpilogueStub(MachineFunction &MF, 46 MachineBasicBlock &MBB) const; 47 void emitInterruptPrologueStub(MachineFunction &MF, 48 MachineBasicBlock &MBB) const; 49 }; 50 } // End llvm namespace 51 52 #endif 53
