lib/Target/CellSPU/SPUTargetMachine.h

   1 //===-- SPUTargetMachine.h - Define TargetMachine for Cell SPU ----*- C++ -*-=//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file declares the CellSPU-specific subclass of TargetMachine.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef SPU_TARGETMACHINE_H
  15 #define SPU_TARGETMACHINE_H
  16
  17 #include "SPUSubtarget.h"
  18 #include "SPUInstrInfo.h"
  19 #include "SPUISelLowering.h"
  20 #include "SPUFrameInfo.h"
  21 #include "llvm/Target/TargetMachine.h"
  22 #include "llvm/Target/TargetData.h"
  23
  24 namespace llvm {
  25 class PassManager;
  26 class GlobalValue;
  27 class TargetFrameInfo;
  28
  29 /// SPUTargetMachine
  30 ///
  31 class SPUTargetMachine : public LLVMTargetMachine {
  32   SPUSubtarget        Subtarget;
  33   const TargetData    DataLayout;
  34   SPUInstrInfo        InstrInfo;
  35   SPUFrameInfo        FrameInfo;
  36   SPUTargetLowering   TLInfo;
  37   InstrItineraryData  InstrItins;
  38
  39 protected:
  40   virtual const TargetAsmInfo *createTargetAsmInfo() const;
  41
  42 public:
  43   SPUTargetMachine(const Module &M, const std::string &FS);
  44
  45   /// Return the subtarget implementation object
  46   virtual const SPUSubtarget     *getSubtargetImpl() const {
  47     return &Subtarget;
  48   }
  49   virtual const SPUInstrInfo     *getInstrInfo() const {
  50     return &InstrInfo;
  51   }
  52   virtual const SPUFrameInfo     *getFrameInfo() const {
  53     return &FrameInfo;
  54   }
  55   /*!
  56     \note Cell SPU does not support JIT today. It could support JIT at some
  57     point.
  58    */
  59   virtual       TargetJITInfo    *getJITInfo() {
  60     return NULL;
  61   }
  62
  63   //! Module match function
  64   /*!
  65     Module matching function called by TargetMachineRegistry().
  66    */
  67   static unsigned getModuleMatchQuality(const Module &M);
  68
  69   virtual       SPUTargetLowering *getTargetLowering() const {
  70    return const_cast<SPUTargetLowering*>(&TLInfo);
  71   }
  72
  73   virtual const SPURegisterInfo *getRegisterInfo() const {
  74     return &InstrInfo.getRegisterInfo();
  75   }
  76
  77   virtual const TargetData *getTargetData() const {
  78     return &DataLayout;
  79   }
  80
  81   virtual const InstrItineraryData getInstrItineraryData() const {
  82     return InstrItins;
  83   }
  84
  85   // Pass Pipeline Configuration
  86   virtual bool addInstSelector(PassManagerBase &PM, bool /*Fast*/);
  87   virtual bool addAssemblyEmitter(PassManagerBase &PM, bool /*Fast*/,
  88                                   bool /*Verbose*/, raw_ostream &Out);
  89 };
  90
  91 } // end namespace llvm
  92
  93 #endif