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 "X86.h"
18 #include "X86FrameLowering.h"
19 #include "X86ISelLowering.h"
20 #include "X86InstrInfo.h"
21 #include "X86JITInfo.h"
22 #include "X86SelectionDAGInfo.h"
23 #include "X86Subtarget.h"
24 #include "llvm/IR/DataLayout.h"
25 #include "llvm/Target/TargetFrameLowering.h"
26 #include "llvm/Target/TargetMachine.h"
27 
28 namespace llvm {
29 
30 class StringRef;
31 
32 class X86TargetMachine : public LLVMTargetMachine {
33   virtual void anchor();
34   X86Subtarget       Subtarget;
35   X86FrameLowering   FrameLowering;
36   InstrItineraryData InstrItins;
37   const DataLayout   DL; // Calculates type size & alignment
38   X86InstrInfo       InstrInfo;
39   X86TargetLowering  TLInfo;
40   X86SelectionDAGInfo TSInfo;
41   X86JITInfo         JITInfo;
42 
43 public:
44   X86TargetMachine(const Target &T, StringRef TT,
45                    StringRef CPU, StringRef FS, const TargetOptions &Options,
46                    Reloc::Model RM, CodeModel::Model CM,
47                    CodeGenOpt::Level OL);
48 
49   virtual const DataLayout *getDataLayout() const { return &DL; }
50   virtual const X86InstrInfo     *getInstrInfo() const {
51     return &InstrInfo;
52   }
53   virtual const TargetFrameLowering  *getFrameLowering() const {
54     return &FrameLowering;
55   }
56   virtual       X86JITInfo       *getJITInfo()         {
57     return &JITInfo;
58   }
59   virtual const X86Subtarget     *getSubtargetImpl() const{ return &Subtarget; }
60   virtual const X86TargetLowering *getTargetLowering() const {
61     return &TLInfo;
62   }
63   virtual const X86SelectionDAGInfo *getSelectionDAGInfo() const {
64     return &TSInfo;
65   }
66   virtual const X86RegisterInfo  *getRegisterInfo() const {
67     return &getInstrInfo()->getRegisterInfo();
68   }
69   virtual const InstrItineraryData *getInstrItineraryData() const {
70     return &InstrItins;
71   }
72 
73   /// \brief Register X86 analysis passes with a pass manager.
74   virtual void addAnalysisPasses(PassManagerBase &PM);
75 
76   // Set up the pass pipeline.
77   virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);
78 
79   virtual bool addCodeEmitter(PassManagerBase &PM,
80                               JITCodeEmitter &JCE);
81 };
82 
83 } // End llvm namespace
84 
85 #endif
86