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 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, CodeGenOpt::Level OptLevel); 80 virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel); 81 virtual bool addAssemblyEmitter(PassManagerBase &PM, 82 CodeGenOpt::Level OptLevel, 83 bool Verbose, raw_ostream &Out); 84 virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel, 85 bool DumpAsm, MachineCodeEmitter &MCE); 86 virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel, 87 bool DumpAsm, JITCodeEmitter &JCE); 88 virtual bool addSimpleCodeEmitter(PassManagerBase &PM, 89 CodeGenOpt::Level OptLevel, 90 bool DumpAsm, MachineCodeEmitter &MCE); 91 virtual bool addSimpleCodeEmitter(PassManagerBase &PM, 92 CodeGenOpt::Level OptLevel, 93 bool DumpAsm, JITCodeEmitter &JCE); 94 virtual bool getEnableTailMergeDefault() const; 95 }; 96 97 /// PPC32TargetMachine - PowerPC 32-bit target machine. 98 /// 99 class PPC32TargetMachine : public PPCTargetMachine { 100 public: 101 PPC32TargetMachine(const Module &M, const std::string &FS); 102 103 static unsigned getJITMatchQuality(); 104 static unsigned getModuleMatchQuality(const Module &M); 105 }; 106 107 /// PPC64TargetMachine - PowerPC 64-bit target machine. 108 /// 109 class PPC64TargetMachine : public PPCTargetMachine { 110 public: 111 PPC64TargetMachine(const Module &M, const std::string &FS); 112 113 static unsigned getJITMatchQuality(); 114 static unsigned getModuleMatchQuality(const Module &M); 115 }; 116 117 } // end namespace llvm 118 119 #endif 120