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	This eliminates the need for several awkward casts, including the last dynamic_cast under lib/Target. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51091 91177308-0d34-0410-b5e6-96231b3b80d8
		
			
				
	
	
		
			94 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//===-- SPUTargetMachine.h - Define TargetMachine for Cell SPU ----*- 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 declares the CellSPU-specific subclass of TargetMachine.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SPU_TARGETMACHINE_H
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#define SPU_TARGETMACHINE_H
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#include "SPUSubtarget.h"
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#include "SPUInstrInfo.h"
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#include "SPUISelLowering.h"
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#include "SPUFrameInfo.h"
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#include "llvm/Target/TargetMachine.h"
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#include "llvm/Target/TargetData.h"
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namespace llvm {
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class PassManager;
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class GlobalValue;
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class TargetFrameInfo;
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/// SPUTargetMachine
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///
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class SPUTargetMachine : public LLVMTargetMachine {
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  SPUSubtarget        Subtarget;
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  const TargetData    DataLayout;
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  SPUInstrInfo        InstrInfo;
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  SPUFrameInfo        FrameInfo;
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  SPUTargetLowering   TLInfo;
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  InstrItineraryData  InstrItins;
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protected:
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  virtual const TargetAsmInfo *createTargetAsmInfo() const;
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public:
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  SPUTargetMachine(const Module &M, const std::string &FS);
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  /// Return the subtarget implementation object
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  virtual const SPUSubtarget     *getSubtargetImpl() const {
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    return &Subtarget;
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  }
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  virtual const SPUInstrInfo     *getInstrInfo() const {
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    return &InstrInfo;
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  }
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  virtual const SPUFrameInfo     *getFrameInfo() const {
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    return &FrameInfo;
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  }
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  /*!
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    \note Cell SPU does not support JIT today. It could support JIT at some
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    point.
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   */
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  virtual       TargetJITInfo    *getJITInfo() {
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    return NULL;
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  }
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  //! Module match function
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  /*!
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    Module matching function called by TargetMachineRegistry().
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   */
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  static unsigned getModuleMatchQuality(const Module &M);
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  virtual       SPUTargetLowering *getTargetLowering() const { 
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   return const_cast<SPUTargetLowering*>(&TLInfo); 
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  }
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  virtual const SPURegisterInfo *getRegisterInfo() const {
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    return &InstrInfo.getRegisterInfo();
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  }
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  virtual const TargetData *getTargetData() const {
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    return &DataLayout;
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  }
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  virtual const InstrItineraryData getInstrItineraryData() const {  
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    return InstrItins;
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  }
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  // Pass Pipeline Configuration
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  virtual bool addInstSelector(PassManagerBase &PM, bool Fast);
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  virtual bool addAssemblyEmitter(PassManagerBase &PM, bool Fast, 
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                                  std::ostream &Out);
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};
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} // end namespace llvm
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#endif
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