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			53 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//===-- Thumb1FrameLowering.h - Thumb1-specific frame info stuff --*- C++ -*-=//
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//
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//                     The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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//
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//
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//===----------------------------------------------------------------------===//
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#ifndef __THUMB_FRAMEINFO_H_
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#define __THUMB_FRAMEINFO_H_
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#include "ARM.h"
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#include "ARMFrameLowering.h"
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#include "ARMSubtarget.h"
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#include "Thumb1InstrInfo.h"
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#include "Thumb1RegisterInfo.h"
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#include "llvm/Target/TargetFrameLowering.h"
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namespace llvm {
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  class ARMSubtarget;
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class Thumb1FrameLowering : public ARMFrameLowering {
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public:
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  explicit Thumb1FrameLowering(const ARMSubtarget &sti)
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    : ARMFrameLowering(sti) {
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  }
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  /// emitProlog/emitEpilog - These methods insert prolog and epilog code into
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  /// the function.
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  void emitPrologue(MachineFunction &MF) const;
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  void emitEpilogue(MachineFunction &MF, MachineBasicBlock &MBB) const;
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  bool spillCalleeSavedRegisters(MachineBasicBlock &MBB,
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                                 MachineBasicBlock::iterator MI,
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                                 const std::vector<CalleeSavedInfo> &CSI,
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                                 const TargetRegisterInfo *TRI) const;
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  bool restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
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                                   MachineBasicBlock::iterator MI,
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                                   const std::vector<CalleeSavedInfo> &CSI,
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                                   const TargetRegisterInfo *TRI) const;
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  bool hasReservedCallFrame(const MachineFunction &MF) const;
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};
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} // End llvm namespace
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#endif
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