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 LLVM_LIB_TARGET_X86_X86TARGETMACHINE_H 15 #define LLVM_LIB_TARGET_X86_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 std::unique_ptr<TargetLoweringObjectFile> TLOF; 27 X86Subtarget Subtarget; 28 29 mutable StringMap<std::unique_ptr<X86Subtarget>> SubtargetMap; 30 31 public: 32 X86TargetMachine(const Target &T, StringRef TT, 33 StringRef CPU, StringRef FS, const TargetOptions &Options, 34 Reloc::Model RM, CodeModel::Model CM, 35 CodeGenOpt::Level OL); 36 ~X86TargetMachine() override; 37 getSubtargetImpl()38 const X86Subtarget *getSubtargetImpl() const override { return &Subtarget; } 39 const X86Subtarget *getSubtargetImpl(const Function &F) const override; 40 41 /// \brief Register X86 analysis passes with a pass manager. 42 void addAnalysisPasses(PassManagerBase &PM) override; 43 44 // Set up the pass pipeline. 45 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; getObjFileLowering()46 TargetLoweringObjectFile *getObjFileLowering() const override { 47 return TLOF.get(); 48 } 49 }; 50 51 } // End llvm namespace 52 53 #endif 54