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 #include "X86InstrInfo.h" 17 #include "X86Subtarget.h" 18 #include "llvm/IR/DataLayout.h" 19 #include "llvm/Target/TargetMachine.h" 20 21 namespace llvm { 22 23 class StringRef; 24 25 class X86TargetMachine final : public LLVMTargetMachine { 26 virtual void anchor(); 27 X86Subtarget Subtarget; 28 29 public: 30 X86TargetMachine(const Target &T, StringRef TT, 31 StringRef CPU, StringRef FS, const TargetOptions &Options, 32 Reloc::Model RM, CodeModel::Model CM, 33 CodeGenOpt::Level OL); 34 getDataLayout()35 const DataLayout *getDataLayout() const override { 36 return getSubtargetImpl()->getDataLayout(); 37 } getInstrInfo()38 const X86InstrInfo *getInstrInfo() const override { 39 return getSubtargetImpl()->getInstrInfo(); 40 } getFrameLowering()41 const TargetFrameLowering *getFrameLowering() const override { 42 return getSubtargetImpl()->getFrameLowering(); 43 } getJITInfo()44 X86JITInfo *getJITInfo() override { return Subtarget.getJITInfo(); } getSubtargetImpl()45 const X86Subtarget *getSubtargetImpl() const override { return &Subtarget; } getTargetLowering()46 const X86TargetLowering *getTargetLowering() const override { 47 return getSubtargetImpl()->getTargetLowering(); 48 } getSelectionDAGInfo()49 const X86SelectionDAGInfo *getSelectionDAGInfo() const override { 50 return getSubtargetImpl()->getSelectionDAGInfo(); 51 } getRegisterInfo()52 const X86RegisterInfo *getRegisterInfo() const override { 53 return &getInstrInfo()->getRegisterInfo(); 54 } getInstrItineraryData()55 const InstrItineraryData *getInstrItineraryData() const override { 56 return &getSubtargetImpl()->getInstrItineraryData(); 57 } 58 59 /// \brief Register X86 analysis passes with a pass manager. 60 void addAnalysisPasses(PassManagerBase &PM) override; 61 62 // Set up the pass pipeline. 63 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 64 65 bool addCodeEmitter(PassManagerBase &PM, JITCodeEmitter &JCE) override; 66 }; 67 68 } // End llvm namespace 69 70 #endif 71