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                                             CodeGenOpt::Level OptLevel,
  50                                             bool verbose);
  51   static AsmPrinterCtorFn AsmPrinterCtor;
  52
  53 public:
  54   PPCTargetMachine(const Module &M, const std::string &FS, bool is64Bit);
  55
  56   virtual const PPCInstrInfo     *getInstrInfo() const { return &InstrInfo; }
  57   virtual const PPCFrameInfo     *getFrameInfo() const { return &FrameInfo; }
  58   virtual       PPCJITInfo       *getJITInfo()         { return &JITInfo; }
  59   virtual       PPCTargetLowering *getTargetLowering() const {
  60    return const_cast<PPCTargetLowering*>(&TLInfo);
  61   }
  62   virtual const PPCRegisterInfo  *getRegisterInfo() const {
  63     return &InstrInfo.getRegisterInfo();
  64   }
  65
  66   virtual const TargetData    *getTargetData() const    { return &DataLayout; }
  67   virtual const PPCSubtarget  *getSubtargetImpl() const { return &Subtarget; }
  68   virtual const InstrItineraryData getInstrItineraryData() const {
  69     return InstrItins;
  70   }
  71   virtual const PPCMachOWriterInfo *getMachOWriterInfo() const {
  72     return &MachOWriterInfo;
  73   }
  74
  75   static void registerAsmPrinter(AsmPrinterCtorFn F) {
  76     AsmPrinterCtor = F;
  77   }
  78
  79   // Pass Pipeline Configuration
  80   virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  81   virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
  82   virtual bool addAssemblyEmitter(PassManagerBase &PM,
  83                                   CodeGenOpt::Level OptLevel,
  84                                   bool Verbose, raw_ostream &Out);
  85   virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
  86                               bool DumpAsm, MachineCodeEmitter &MCE);
  87   virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
  88                                     CodeGenOpt::Level OptLevel,
  89                                     bool DumpAsm, MachineCodeEmitter &MCE);
  90   virtual bool getEnableTailMergeDefault() const;
  91 };
  92
  93 /// PPC32TargetMachine - PowerPC 32-bit target machine.
  94 ///
  95 class PPC32TargetMachine : public PPCTargetMachine {
  96 public:
  97   PPC32TargetMachine(const Module &M, const std::string &FS);
  98
  99   static unsigned getJITMatchQuality();
 100   static unsigned getModuleMatchQuality(const Module &M);
 101 };
 102
 103 /// PPC64TargetMachine - PowerPC 64-bit target machine.
 104 ///
 105 class PPC64TargetMachine : public PPCTargetMachine {
 106 public:
 107   PPC64TargetMachine(const Module &M, const std::string &FS);
 108
 109   static unsigned getJITMatchQuality();
 110   static unsigned getModuleMatchQuality(const Module &M);
 111 };
 112
 113 } // end namespace llvm
 114
 115 #endif