1 //===-- Thumb1FrameLowering.h - Thumb1-specific frame info stuff --*- 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_ARM_THUMB1FRAMELOWERING_H 15 #define LLVM_ARM_THUMB1FRAMELOWERING_H 16 17 #include "ARMFrameLowering.h" 18 #include "Thumb1InstrInfo.h" 19 #include "Thumb1RegisterInfo.h" 20 #include "llvm/Target/TargetFrameLowering.h" 21 22 namespace llvm { 23 24 class Thumb1FrameLowering : public ARMFrameLowering { 25 public: 26 explicit Thumb1FrameLowering(const ARMSubtarget &sti); 27 28 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 29 /// the function. 30 void emitPrologue(MachineFunction &MF) const override; 31 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) 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 bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, 38 MachineBasicBlock::iterator MI, 39 const std::vector<CalleeSavedInfo> &CSI, 40 const TargetRegisterInfo *TRI) const override; 41 42 bool hasReservedCallFrame(const MachineFunction &MF) const override; 43 44 void 45 eliminateCallFramePseudoInstr(MachineFunction &MF, 46 MachineBasicBlock &MBB, 47 MachineBasicBlock::iterator MI) const override; 48 }; 49 50 } // End llvm namespace 51 52 #endif 53
