1 //===-- X86TargetMachine.h - Define TargetMachine for the X86 ---*- 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 X86 specific subclass of TargetMachine. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef X86TARGETMACHINE_H 15 #define X86TARGETMACHINE_H 16 17 #include "X86.h" 18 #include "X86ELFWriterInfo.h" 19 #include "X86InstrInfo.h" 20 #include "X86ISelLowering.h" 21 #include "X86FrameLowering.h" 22 #include "X86JITInfo.h" 23 #include "X86SelectionDAGInfo.h" 24 #include "X86Subtarget.h" 25 #include "llvm/Target/TargetMachine.h" 26 #include "llvm/Target/TargetData.h" 27 #include "llvm/Target/TargetFrameLowering.h" 28 29 namespace llvm { 30 31 class StringRef; 32 33 class X86TargetMachine : public LLVMTargetMachine { 34 X86Subtarget Subtarget; 35 X86FrameLowering FrameLowering; 36 X86ELFWriterInfo ELFWriterInfo; 37 InstrItineraryData InstrItins; 38 39 public: 40 X86TargetMachine(const Target &T, StringRef TT, 41 StringRef CPU, StringRef FS, const TargetOptions &Options, 42 Reloc::Model RM, CodeModel::Model CM, 43 CodeGenOpt::Level OL, 44 bool is64Bit); 45 getInstrInfo()46 virtual const X86InstrInfo *getInstrInfo() const { 47 llvm_unreachable("getInstrInfo not implemented"); 48 } getFrameLowering()49 virtual const TargetFrameLowering *getFrameLowering() const { 50 return &FrameLowering; 51 } getJITInfo()52 virtual X86JITInfo *getJITInfo() { 53 llvm_unreachable("getJITInfo not implemented"); 54 } getSubtargetImpl()55 virtual const X86Subtarget *getSubtargetImpl() const{ return &Subtarget; } getTargetLowering()56 virtual const X86TargetLowering *getTargetLowering() const { 57 llvm_unreachable("getTargetLowering not implemented"); 58 } getSelectionDAGInfo()59 virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const { 60 llvm_unreachable("getSelectionDAGInfo not implemented"); 61 } getRegisterInfo()62 virtual const X86RegisterInfo *getRegisterInfo() const { 63 return &getInstrInfo()->getRegisterInfo(); 64 } getELFWriterInfo()65 virtual const X86ELFWriterInfo *getELFWriterInfo() const { 66 return Subtarget.isTargetELF() ? &ELFWriterInfo : 0; 67 } getInstrItineraryData()68 virtual const InstrItineraryData *getInstrItineraryData() const { 69 return &InstrItins; 70 } 71 72 // Set up the pass pipeline. 73 virtual TargetPassConfig *createPassConfig(PassManagerBase &PM); 74 75 virtual bool addCodeEmitter(PassManagerBase &PM, 76 JITCodeEmitter &JCE); 77 }; 78 79 /// X86_32TargetMachine - X86 32-bit target machine. 80 /// 81 class X86_32TargetMachine : public X86TargetMachine { 82 virtual void anchor(); 83 const TargetData DataLayout; // Calculates type size & alignment 84 X86InstrInfo InstrInfo; 85 X86SelectionDAGInfo TSInfo; 86 X86TargetLowering TLInfo; 87 X86JITInfo JITInfo; 88 public: 89 X86_32TargetMachine(const Target &T, StringRef TT, 90 StringRef CPU, StringRef FS, const TargetOptions &Options, 91 Reloc::Model RM, CodeModel::Model CM, 92 CodeGenOpt::Level OL); getTargetData()93 virtual const TargetData *getTargetData() const { return &DataLayout; } getTargetLowering()94 virtual const X86TargetLowering *getTargetLowering() const { 95 return &TLInfo; 96 } getSelectionDAGInfo()97 virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const { 98 return &TSInfo; 99 } getInstrInfo()100 virtual const X86InstrInfo *getInstrInfo() const { 101 return &InstrInfo; 102 } getJITInfo()103 virtual X86JITInfo *getJITInfo() { 104 return &JITInfo; 105 } 106 }; 107 108 /// X86_64TargetMachine - X86 64-bit target machine. 109 /// 110 class X86_64TargetMachine : public X86TargetMachine { 111 virtual void anchor(); 112 const TargetData DataLayout; // Calculates type size & alignment 113 X86InstrInfo InstrInfo; 114 X86SelectionDAGInfo TSInfo; 115 X86TargetLowering TLInfo; 116 X86JITInfo JITInfo; 117 public: 118 X86_64TargetMachine(const Target &T, StringRef TT, 119 StringRef CPU, StringRef FS, const TargetOptions &Options, 120 Reloc::Model RM, CodeModel::Model CM, 121 CodeGenOpt::Level OL); getTargetData()122 virtual const TargetData *getTargetData() const { return &DataLayout; } getTargetLowering()123 virtual const X86TargetLowering *getTargetLowering() const { 124 return &TLInfo; 125 } getSelectionDAGInfo()126 virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const { 127 return &TSInfo; 128 } getInstrInfo()129 virtual const X86InstrInfo *getInstrInfo() const { 130 return &InstrInfo; 131 } getJITInfo()132 virtual X86JITInfo *getJITInfo() { 133 return &JITInfo; 134 } 135 }; 136 137 } // End llvm namespace 138 139 #endif 140