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 21namespace llvm { 22 23class StringRef; 24 25class X86TargetMachine final : public LLVMTargetMachine { 26 std::unique_ptr<TargetLoweringObjectFile> TLOF; 27 X86Subtarget Subtarget; 28 29 mutable StringMap<std::unique_ptr<X86Subtarget>> SubtargetMap; 30 31public: 32 X86TargetMachine(const Target &T, const Triple &TT, StringRef CPU, 33 StringRef FS, 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