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, StringRef CPU, StringRef FS, 33 const TargetOptions &Options, Reloc::Model RM, 34 CodeModel::Model CM, CodeGenOpt::Level OL); 35 ~X86TargetMachine() override; 36 const X86Subtarget *getSubtargetImpl(const Function &F) const override; 37 38 TargetIRAnalysis getTargetIRAnalysis() override; 39 40 // Set up the pass pipeline. 41 TargetPassConfig *createPassConfig(PassManagerBase &PM) override; 42 TargetLoweringObjectFile *getObjFileLowering() const override { 43 return TLOF.get(); 44 } 45 }; 46 47 } // End llvm namespace 48 49 #endif 50