1 //===-- Thumb1FrameLowering.h - Thumb1-specific frame info stuff --*- C++ -*-=//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_LIB_TARGET_ARM_THUMB1FRAMELOWERING_H
15 #define LLVM_LIB_TARGET_ARM_THUMB1FRAMELOWERING_H
17 #include "ARMFrameLowering.h"
18 #include "Thumb1InstrInfo.h"
19 #include "Thumb1RegisterInfo.h"
20 #include "llvm/Target/TargetFrameLowering.h"
24 class Thumb1FrameLowering : public ARMFrameLowering {
26 explicit Thumb1FrameLowering(const ARMSubtarget &sti);
28 /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
30 void emitPrologue(MachineFunction &MF) const override;
31 void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const override;
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;
42 bool hasReservedCallFrame(const MachineFunction &MF) const override;
45 eliminateCallFramePseudoInstr(MachineFunction &MF,
46 MachineBasicBlock &MBB,
47 MachineBasicBlock::iterator MI) const override;
50 } // End llvm namespace