X86TargetMachine.h revision 36b56886974eae4f9c5ebc96befd3e7bfe5de338 
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
17#include "X86FrameLowering.h"
18#include "X86ISelLowering.h"
19#include "X86InstrInfo.h"
20#include "X86JITInfo.h"
21#include "X86SelectionDAGInfo.h"
22#include "X86Subtarget.h"
23#include "llvm/IR/DataLayout.h"
24#include "llvm/Target/TargetMachine.h"
25
26namespace llvm {
27
28class StringRef;
29
30class X86TargetMachine final : public LLVMTargetMachine {
31  virtual void anchor();
32  X86Subtarget       Subtarget;
33  X86FrameLowering   FrameLowering;
34  InstrItineraryData InstrItins;
35  const DataLayout   DL; // Calculates type size & alignment
36  X86InstrInfo       InstrInfo;
37  X86TargetLowering  TLInfo;
38  X86SelectionDAGInfo TSInfo;
39  X86JITInfo         JITInfo;
40
41public:
42  X86TargetMachine(const Target &T, StringRef TT,
43                   StringRef CPU, StringRef FS, const TargetOptions &Options,
44                   Reloc::Model RM, CodeModel::Model CM,
45                   CodeGenOpt::Level OL);
46
47  const DataLayout *getDataLayout() const override { return &DL; }
48  const X86InstrInfo *getInstrInfo() const override {
49    return &InstrInfo;
50  }
51  const TargetFrameLowering *getFrameLowering() const override {
52    return &FrameLowering;
53  }
54  X86JITInfo *getJITInfo() override {
55    return &JITInfo;
56  }
57  const X86Subtarget *getSubtargetImpl() const override { return &Subtarget; }
58  const X86TargetLowering *getTargetLowering() const override {
59    return &TLInfo;
60  }
61  const X86SelectionDAGInfo *getSelectionDAGInfo() const override {
62    return &TSInfo;
63  }
64  const X86RegisterInfo  *getRegisterInfo() const override {
65    return &getInstrInfo()->getRegisterInfo();
66  }
67  const InstrItineraryData *getInstrItineraryData() const override {
68    return &InstrItins;
69  }
70
71  /// \brief Register X86 analysis passes with a pass manager.
72  void addAnalysisPasses(PassManagerBase &PM) override;
73
74  // Set up the pass pipeline.
75  TargetPassConfig *createPassConfig(PassManagerBase &PM) override;
76
77  bool addCodeEmitter(PassManagerBase &PM, JITCodeEmitter &JCE) override;
78};
79
80} // End llvm namespace
81
82#endif
83