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 public:
  39   SPUTargetMachine(const Target &T, const std::string &TT,
  40                    const std::string &FS);
  41
  42   /// Return the subtarget implementation object
  43   virtual const SPUSubtarget     *getSubtargetImpl() const {
  44     return &Subtarget;
  45   }
  46   virtual const SPUInstrInfo     *getInstrInfo() const {
  47     return &InstrInfo;
  48   }
  49   virtual const SPUFrameInfo     *getFrameInfo() const {
  50     return &FrameInfo;
  51   }
  52   /*!
  53     \note Cell SPU does not support JIT today. It could support JIT at some
  54     point.
  55    */
  56   virtual       TargetJITInfo    *getJITInfo() {
  57     return NULL;
  58   }
  59
  60   virtual       SPUTargetLowering *getTargetLowering() const {
  61    return const_cast<SPUTargetLowering*>(&TLInfo);
  62   }
  63
  64   virtual const SPURegisterInfo *getRegisterInfo() const {
  65     return &InstrInfo.getRegisterInfo();
  66   }
  67
  68   virtual const TargetData *getTargetData() const {
  69     return &DataLayout;
  70   }
  71
  72   virtual const InstrItineraryData getInstrItineraryData() const {
  73     return InstrItins;
  74   }
  75
  76   // Pass Pipeline Configuration
  77   virtual bool addInstSelector(PassManagerBase &PM,
  78                                CodeGenOpt::Level OptLevel);
  79 };
  80
  81 } // end namespace llvm
  82
  83 #endif