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