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 protected:
  43   virtual const TargetAsmInfo *createTargetAsmInfo() const;
  44
  45   // To avoid having target depend on the asmprinter stuff libraries, asmprinter
  46   // set this functions to ctor pointer at startup time if they are linked in.
  47   typedef FunctionPass *(*AsmPrinterCtorFn)(raw_ostream &o,
  48                                             PPCTargetMachine &tm,
  49                                             bool fast, bool verbose);
  50   static AsmPrinterCtorFn AsmPrinterCtor;
  51
  52 public:
  53   PPCTargetMachine(const Module &M, const std::string &FS, bool is64Bit);
  54
  55   virtual const PPCInstrInfo     *getInstrInfo() const { return &InstrInfo; }
  56   virtual const PPCFrameInfo     *getFrameInfo() const { return &FrameInfo; }
  57   virtual       PPCJITInfo       *getJITInfo()         { return &JITInfo; }
  58   virtual       PPCTargetLowering *getTargetLowering() const {
  59    return const_cast<PPCTargetLowering*>(&TLInfo);
  60   }
  61   virtual const PPCRegisterInfo  *getRegisterInfo() const {
  62     return &InstrInfo.getRegisterInfo();
  63   }
  64
  65   virtual const TargetData    *getTargetData() const    { return &DataLayout; }
  66   virtual const PPCSubtarget  *getSubtargetImpl() const { return &Subtarget; }
  67   virtual const InstrItineraryData getInstrItineraryData() const {
  68     return InstrItins;
  69   }
  70   virtual const PPCMachOWriterInfo *getMachOWriterInfo() const {
  71     return &MachOWriterInfo;
  72   }
  73
  74   static void registerAsmPrinter(AsmPrinterCtorFn F) {
  75     AsmPrinterCtor = F;
  76   }
  77
  78   // Pass Pipeline Configuration
  79   virtual bool addInstSelector(PassManagerBase &PM, bool Fast);
  80   virtual bool addPreEmitPass(PassManagerBase &PM, bool Fast);
  81   virtual bool addAssemblyEmitter(PassManagerBase &PM, bool Fast,
  82                                   bool Verbose, raw_ostream &Out);
  83   virtual bool addCodeEmitter(PassManagerBase &PM, bool Fast,
  84                               bool DumpAsm, MachineCodeEmitter &MCE);
  85   virtual bool addSimpleCodeEmitter(PassManagerBase &PM, bool Fast,
  86                                     bool DumpAsm, MachineCodeEmitter &MCE);
  87   virtual bool getEnableTailMergeDefault() const;
  88 };
  89
  90 /// PPC32TargetMachine - PowerPC 32-bit target machine.
  91 ///
  92 class PPC32TargetMachine : public PPCTargetMachine {
  93 public:
  94   PPC32TargetMachine(const Module &M, const std::string &FS);
  95
  96   static unsigned getJITMatchQuality();
  97   static unsigned getModuleMatchQuality(const Module &M);
  98 };
  99
 100 /// PPC64TargetMachine - PowerPC 64-bit target machine.
 101 ///
 102 class PPC64TargetMachine : public PPCTargetMachine {
 103 public:
 104   PPC64TargetMachine(const Module &M, const std::string &FS);
 105
 106   static unsigned getJITMatchQuality();
 107   static unsigned getModuleMatchQuality(const Module &M);
 108 };
 109
 110 } // end namespace llvm
 111
 112 #endif