forked from OSchip/llvm-project
				
			
		
			
				
	
	
		
			58 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			58 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
| //===-- XCoreFrameLowering.h - Frame info for XCore Target ------*- 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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| // This file contains XCore frame information that doesn't fit anywhere else
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| // cleanly...
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| //
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| //===----------------------------------------------------------------------===//
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| 
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| #ifndef XCOREFRAMEINFO_H
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| #define XCOREFRAMEINFO_H
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| 
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| #include "llvm/Target/TargetFrameLowering.h"
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| #include "llvm/Target/TargetMachine.h"
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| 
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| namespace llvm {
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|   class XCoreSubtarget;
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| 
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|   class XCoreFrameLowering: public TargetFrameLowering {
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|     const XCoreSubtarget &STI;
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|   public:
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|     XCoreFrameLowering(const XCoreSubtarget &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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| 
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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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| 
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|     bool hasFP(const MachineFunction &MF) const;
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| 
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|     void processFunctionBeforeCalleeSavedScan(MachineFunction &MF,
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|                                               RegScavenger *RS = NULL) const;
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| 
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|     void processFunctionBeforeFrameFinalized(MachineFunction &MF) const;
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| 
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|     //! Stack slot size (4 bytes)
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|     static int stackSlotSize() {
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|       return 4;
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|     }
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|   };
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| }
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| 
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| #endif // XCOREFRAMEINFO_H
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