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 __THUMB_FRAMEINFO_H_ 15 #define __THUMB_FRAMEINFO_H_ 16 17 #include "ARM.h" 18 #include "ARMFrameLowering.h" 19 #include "ARMSubtarget.h" 20 #include "Thumb1InstrInfo.h" 21 #include "Thumb1RegisterInfo.h" 22 #include "llvm/Target/TargetFrameLowering.h" 23 24 namespace llvm { 25 class ARMSubtarget; 26 27 class Thumb1FrameLowering : public ARMFrameLowering { 28 public: 29 explicit Thumb1FrameLowering(const ARMSubtarget &sti) 30 : ARMFrameLowering(sti) { 31 } 32 33 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into 34 /// the function. 35 void emitPrologue(MachineFunction &MF) const; 36 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; 37 38 bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, 39 MachineBasicBlock::iterator MI, 40 const std::vector<CalleeSavedInfo> &CSI, 41 const TargetRegisterInfo *TRI) const; 42 bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, 43 MachineBasicBlock::iterator MI, 44 const std::vector<CalleeSavedInfo> &CSI, 45 const TargetRegisterInfo *TRI) const; 46 47 bool hasReservedCallFrame(const MachineFunction &MF) const; 48 }; 49 50 } // End llvm namespace 51 52 #endif 53
