lib/Target/PowerPC/PPCTargetMachine.h

   1 //===-- PPCTargetMachine.h - Define TargetMachine for PowerPC -----*- 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 PowerPC specific subclass of TargetMachine.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef PPC_TARGETMACHINE_H
  15 #define PPC_TARGETMACHINE_H
  16
  17 #include "PPCFrameLowering.h"
  18 #include "PPCSubtarget.h"
  19 #include "PPCJITInfo.h"
  20 #include "PPCInstrInfo.h"
  21 #include "PPCISelLowering.h"
  22 #include "PPCSelectionDAGInfo.h"
  23 #include "llvm/Target/TargetMachine.h"
  24 #include "llvm/Target/TargetData.h"
  25
  26 namespace llvm {
  27 class PassManager;
  28 class GlobalValue;
  29
  30 /// PPCTargetMachine - Common code between 32-bit and 64-bit PowerPC targets.
  31 ///
  32 class PPCTargetMachine : public LLVMTargetMachine {
  33   PPCSubtarget        Subtarget;
  34   const TargetData    DataLayout;       // Calculates type size & alignment
  35   PPCInstrInfo        InstrInfo;
  36   PPCFrameLowering    FrameLowering;
  37   PPCJITInfo          JITInfo;
  38   PPCTargetLowering   TLInfo;
  39   PPCSelectionDAGInfo TSInfo;
  40   InstrItineraryData  InstrItins;
  41
  42 public:
  43   PPCTargetMachine(const Target &T, const std::string &TT,
  44                    const std::string &CPU, const std::string &FS,
  45                    bool is64Bit);
  46
  47   virtual const PPCInstrInfo      *getInstrInfo() const { return &InstrInfo; }
  48   virtual const PPCFrameLowering  *getFrameLowering() const {
  49     return &FrameLowering;
  50   }
  51   virtual       PPCJITInfo        *getJITInfo()         { return &JITInfo; }
  52   virtual const PPCTargetLowering *getTargetLowering() const {
  53    return &TLInfo;
  54   }
  55   virtual const PPCSelectionDAGInfo* getSelectionDAGInfo() const {
  56     return &TSInfo;
  57   }
  58   virtual const PPCRegisterInfo   *getRegisterInfo() const {
  59     return &InstrInfo.getRegisterInfo();
  60   }
  61
  62   virtual const TargetData    *getTargetData() const    { return &DataLayout; }
  63   virtual const PPCSubtarget  *getSubtargetImpl() const { return &Subtarget; }
  64   virtual const InstrItineraryData *getInstrItineraryData() const {
  65     return &InstrItins;
  66   }
  67
  68   // Pass Pipeline Configuration
  69   virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  70   virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  71   virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
  72                               JITCodeEmitter &JCE);
  73   virtual bool getEnableTailMergeDefault() const;
  74 };
  75
  76 /// PPC32TargetMachine - PowerPC 32-bit target machine.
  77 ///
  78 class PPC32TargetMachine : public PPCTargetMachine {
  79 public:
  80   PPC32TargetMachine(const Target &T, const std::string &TT,
  81                      const std::string &CPU, const std::string &FS);
  82 };
  83
  84 /// PPC64TargetMachine - PowerPC 64-bit target machine.
  85 ///
  86 class PPC64TargetMachine : public PPCTargetMachine {
  87 public:
  88   PPC64TargetMachine(const Target &T, const std::string &TT,
  89                      const std::string &CPU, const std::string &FS);
  90 };
  91
  92 } // end namespace llvm
  93
  94 #endif