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