Home | History | Annotate | Download | only in CellSPU
      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, StringRef TT,
     42                    StringRef CPU, StringRef FS,
     43                    Reloc::Model RM, CodeModel::Model CM);
     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 SPUFrameLowering *getFrameLowering() const {
     53     return &FrameLowering;
     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   virtual const SPUTargetLowering *getTargetLowering() const {
     64    return &TLInfo;
     65   }
     66 
     67   virtual const SPUSelectionDAGInfo* getSelectionDAGInfo() const {
     68     return &TSInfo;
     69   }
     70 
     71   virtual const SPURegisterInfo *getRegisterInfo() const {
     72     return &InstrInfo.getRegisterInfo();
     73   }
     74 
     75   virtual const TargetData *getTargetData() const {
     76     return &DataLayout;
     77   }
     78 
     79   virtual const InstrItineraryData *getInstrItineraryData() const {
     80     return &InstrItins;
     81   }
     82 
     83   // Pass Pipeline Configuration
     84   virtual bool addInstSelector(PassManagerBase &PM,
     85                                CodeGenOpt::Level OptLevel);
     86   virtual bool addPreEmitPass(PassManagerBase &, CodeGenOpt::Level);
     87 };
     88 
     89 } // end namespace llvm
     90 
     91 #endif
     92