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 #ifndef LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H 11 #define LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H 12 13 #include "MipsFrameLowering.h" 14 #include <vector> 15 16 namespace llvm { 17 18 class MachineBasicBlock; 19 class MachineFunction; 20 class MipsSubtarget; 21 22 class MipsSEFrameLowering : public MipsFrameLowering { 23 public: 24 explicit MipsSEFrameLowering(const MipsSubtarget &STI); 25 26 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 27 /// the function. 28 void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 29 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 30 31 int getFrameIndexReference(const MachineFunction &MF, int FI, 32 unsigned &FrameReg) 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 determineCalleeSaves(MachineFunction &MF, BitVector &SavedRegs, 42 RegScavenger *RS) const override; 43 44 private: 45 void emitInterruptEpilogueStub(MachineFunction &MF, 46 MachineBasicBlock &MBB) const; 47 void emitInterruptPrologueStub(MachineFunction &MF, 48 MachineBasicBlock &MBB) const; 49 }; 50 51 } // end namespace llvm 52 53 #endif // LLVM_LIB_TARGET_MIPS_MIPSSEFRAMELOWERING_H 54
