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 "PPCFrameInfo.h"
  18 #include "PPCSubtarget.h"
  19 #include "PPCJITInfo.h"
  20 #include "PPCInstrInfo.h"
  21 #include "PPCISelLowering.h"
  22 #include "PPCMachOWriterInfo.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   PPCFrameInfo        FrameInfo;
  37   PPCJITInfo          JITInfo;
  38   PPCTargetLowering   TLInfo;
  39   InstrItineraryData  InstrItins;
  40   PPCMachOWriterInfo  MachOWriterInfo;
  41
  42 public:
  43   PPCTargetMachine(const Target &T, const std::string &TT,
  44                    const std::string &FS, bool is64Bit);
  45
  46   virtual const PPCInstrInfo     *getInstrInfo() const { return &InstrInfo; }
  47   virtual const PPCFrameInfo     *getFrameInfo() const { return &FrameInfo; }
  48   virtual       PPCJITInfo       *getJITInfo()         { return &JITInfo; }
  49   virtual       PPCTargetLowering *getTargetLowering() const {
  50    return const_cast<PPCTargetLowering*>(&TLInfo);
  51   }
  52   virtual const PPCRegisterInfo  *getRegisterInfo() const {
  53     return &InstrInfo.getRegisterInfo();
  54   }
  55
  56   virtual const TargetData    *getTargetData() const    { return &DataLayout; }
  57   virtual const PPCSubtarget  *getSubtargetImpl() const { return &Subtarget; }
  58   virtual const InstrItineraryData getInstrItineraryData() const {
  59     return InstrItins;
  60   }
  61   virtual const PPCMachOWriterInfo *getMachOWriterInfo() const {
  62     return &MachOWriterInfo;
  63   }
  64
  65   // Pass Pipeline Configuration
  66   virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  67   virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  68   virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
  69                               MachineCodeEmitter &MCE);
  70   virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
  71                               JITCodeEmitter &JCE);
  72   virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
  73                               ObjectCodeEmitter &OCE);
  74   virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
  75                                     CodeGenOpt::Level OptLevel,
  76                                     MachineCodeEmitter &MCE);
  77   virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
  78                                     CodeGenOpt::Level OptLevel,
  79                                     JITCodeEmitter &JCE);
  80   virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
  81                                     CodeGenOpt::Level OptLevel,
  82                                     ObjectCodeEmitter &OCE);
  83   virtual bool getEnableTailMergeDefault() const;
  84 };
  85
  86 /// PPC32TargetMachine - PowerPC 32-bit target machine.
  87 ///
  88 class PPC32TargetMachine : public PPCTargetMachine {
  89 public:
  90   PPC32TargetMachine(const Target &T, const std::string &TT,
  91                      const std::string &FS);
  92 };
  93
  94 /// PPC64TargetMachine - PowerPC 64-bit target machine.
  95 ///
  96 class PPC64TargetMachine : public PPCTargetMachine {
  97 public:
  98   PPC64TargetMachine(const Target &T, const std::string &TT,
  99                      const std::string &FS);
 100 };
 101
 102 } // end namespace llvm
 103
 104 #endif