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Diffstat (limited to 'lib/Target/ARM/Thumb1FrameLowering.h')
-rw-r--r-- | lib/Target/ARM/Thumb1FrameLowering.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/lib/Target/ARM/Thumb1FrameLowering.h b/lib/Target/ARM/Thumb1FrameLowering.h new file mode 100644 index 0000000..c592e12 --- /dev/null +++ b/lib/Target/ARM/Thumb1FrameLowering.h @@ -0,0 +1,52 @@ +//===-- Thumb1FrameLowering.h - Thumb1-specific frame info stuff --*- C++ -*-=// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// +// +//===----------------------------------------------------------------------===// + +#ifndef __THUMB_FRAMEINFO_H_ +#define __THUMM_FRAMEINFO_H_ + +#include "ARM.h" +#include "ARMFrameLowering.h" +#include "ARMSubtarget.h" +#include "Thumb1InstrInfo.h" +#include "Thumb1RegisterInfo.h" +#include "llvm/Target/TargetFrameLowering.h" + +namespace llvm { + class ARMSubtarget; + +class Thumb1FrameLowering : public ARMFrameLowering { +public: + explicit Thumb1FrameLowering(const ARMSubtarget &sti) + : ARMFrameLowering(sti) { + } + + /// emitProlog/emitEpilog - These methods insert prolog and epilog code into + /// the function. + void emitPrologue(MachineFunction &MF) const; + void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const; + + bool spillCalleeSavedRegisters(MachineBasicBlock &MBB, + MachineBasicBlock::iterator MI, + const std::vector<CalleeSavedInfo> &CSI, + const TargetRegisterInfo *TRI) const; + bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB, + MachineBasicBlock::iterator MI, + const std::vector<CalleeSavedInfo> &CSI, + const TargetRegisterInfo *TRI) const; + + bool hasReservedCallFrame(const MachineFunction &MF) const; +}; + +} // End llvm namespace + +#endif |