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 LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H 15 #define LLVM_LIB_TARGET_MIPS_MIPS16FRAMELOWERING_H 16 17 #include "MipsFrameLowering.h" 18 19 namespace llvm { 20 class Mips16FrameLowering : public MipsFrameLowering { 21 public: 22 explicit Mips16FrameLowering(const MipsSubtarget &STI); 23 24 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 25 /// the function. 26 void emitPrologue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 27 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override; 28 29 bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, 30 MachineBasicBlock::iterator MI, 31 const std::vector<CalleeSavedInfo> &CSI, 32 const TargetRegisterInfo *TRI) const override; 33 34 bool restoreCalleeSavedRegisters(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 45 } // End llvm namespace 46 47 #endif 48
