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 "SPUSelectionDAGInfo.h"
  21 #include "SPUFrameLowering.h"
  22 #include "llvm/Target/TargetMachine.h"
  23 #include "llvm/Target/TargetData.h"
  24
  25 namespace llvm {
  26 class PassManager;
  27 class GlobalValue;
  28 class TargetFrameLowering;
  29
  30 /// SPUTargetMachine
  31 ///
  32 class SPUTargetMachine : public LLVMTargetMachine {
  33   SPUSubtarget        Subtarget;
  34   const TargetData    DataLayout;
  35   SPUInstrInfo        InstrInfo;
  36   SPUFrameLowering    FrameLowering;
  37   SPUTargetLowering   TLInfo;
  38   SPUSelectionDAGInfo TSInfo;
  39   InstrItineraryData  InstrItins;
  40 public:
  41   SPUTargetMachine(const Target &T, const std::string &TT,
  42                    const std::string &FS);
  43
  44   /// Return the subtarget implementation object
  45   virtual const SPUSubtarget     *getSubtargetImpl() const {
  46     return &Subtarget;
  47   }
  48   virtual const SPUInstrInfo     *getInstrInfo() const {
  49     return &InstrInfo;
  50   }
  51   virtual const SPUFrameLowering *getFrameLowering() const {
  52     return &FrameLowering;
  53   }
  54   /*!
  55     \note Cell SPU does not support JIT today. It could support JIT at some
  56     point.
  57    */
  58   virtual       TargetJITInfo    *getJITInfo() {
  59     return NULL;
  60   }
  61
  62   virtual const SPUTargetLowering *getTargetLowering() const {
  63    return &TLInfo;
  64   }
  65
  66   virtual const SPUSelectionDAGInfo* getSelectionDAGInfo() const {
  67     return &TSInfo;
  68   }
  69
  70   virtual const SPURegisterInfo *getRegisterInfo() const {
  71     return &InstrInfo.getRegisterInfo();
  72   }
  73
  74   virtual const TargetData *getTargetData() const {
  75     return &DataLayout;
  76   }
  77
  78   virtual const InstrItineraryData *getInstrItineraryData() const {
  79     return &InstrItins;
  80   }
  81
  82   // Pass Pipeline Configuration
  83   virtual bool addInstSelector(PassManagerBase &PM,
  84                                CodeGenOpt::Level OptLevel);
  85   virtual bool addPreEmitPass(PassManagerBase &, CodeGenOpt::Level);
  86 };
  87
  88 } // end namespace llvm
  89
  90 #endif