1 //===-- MipsTargetMachine.h - Define TargetMachine for Mips -----*- 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 Mips specific subclass of TargetMachine.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef MIPSTARGETMACHINE_H
15 #define MIPSTARGETMACHINE_H
16 
17 #include "MipsFrameLowering.h"
18 #include "MipsISelLowering.h"
19 #include "MipsInstrInfo.h"
20 #include "MipsJITInfo.h"
21 #include "MipsSelectionDAGInfo.h"
22 #include "MipsSubtarget.h"
23 #include "llvm/ADT/OwningPtr.h"
24 #include "llvm/CodeGen/Passes.h"
25 #include "llvm/CodeGen/SelectionDAGISel.h"
26 #include "llvm/IR/DataLayout.h"
27 #include "llvm/Target/TargetFrameLowering.h"
28 #include "llvm/Target/TargetMachine.h"
29 
30 namespace llvm {
31 class formatted_raw_ostream;
32 class MipsRegisterInfo;
33 
34 class MipsTargetMachine : public LLVMTargetMachine {
35   MipsSubtarget       Subtarget;
36   const DataLayout    DL; // Calculates type size & alignment
37   OwningPtr<const MipsInstrInfo> InstrInfo;
38   OwningPtr<const MipsFrameLowering> FrameLowering;
39   OwningPtr<const MipsTargetLowering> TLInfo;
40   OwningPtr<const MipsInstrInfo> InstrInfo16;
41   OwningPtr<const MipsFrameLowering> FrameLowering16;
42   OwningPtr<const MipsTargetLowering> TLInfo16;
43   OwningPtr<const MipsInstrInfo> InstrInfoSE;
44   OwningPtr<const MipsFrameLowering> FrameLoweringSE;
45   OwningPtr<const MipsTargetLowering> TLInfoSE;
46   MipsSelectionDAGInfo TSInfo;
47   MipsJITInfo JITInfo;
48 
49 public:
50   MipsTargetMachine(const Target &T, StringRef TT,
51                     StringRef CPU, StringRef FS, const TargetOptions &Options,
52                     Reloc::Model RM, CodeModel::Model CM,
53                     CodeGenOpt::Level OL,
54                     bool isLittle);
55 
56   virtual ~MipsTargetMachine() {}
57 
58   virtual void addAnalysisPasses(PassManagerBase &PM);
59 
60   virtual const MipsInstrInfo *getInstrInfo() const
61   { return InstrInfo.get(); }
62   virtual const TargetFrameLowering *getFrameLowering() const
63   { return FrameLowering.get(); }
64   virtual const MipsSubtarget *getSubtargetImpl() const
65   { return &Subtarget; }
66   virtual const DataLayout *getDataLayout()    const
67   { return &DL;}
68   virtual MipsJITInfo *getJITInfo()
69   { return &JITInfo; }
70 
71   virtual const MipsRegisterInfo *getRegisterInfo()  const {
72     return &InstrInfo->getRegisterInfo();
73   }
74 
75   virtual const MipsTargetLowering *getTargetLowering() const {
76     return TLInfo.get();
77   }
78 
79   virtual const MipsSelectionDAGInfo* getSelectionDAGInfo() const {
80     return &TSInfo;
81   }
82 
83   // Pass Pipeline Configuration
84   virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);
85   virtual bool addCodeEmitter(PassManagerBase &PM, JITCodeEmitter &JCE);
86 
87   // Set helper classes
88   void setHelperClassesMips16();
89 
90   void setHelperClassesMipsSE();
91 
92 
93 };
94 
95 /// MipsebTargetMachine - Mips32/64 big endian target machine.
96 ///
97 class MipsebTargetMachine : public MipsTargetMachine {
98   virtual void anchor();
99 public:
100   MipsebTargetMachine(const Target &T, StringRef TT,
101                       StringRef CPU, StringRef FS, const TargetOptions &Options,
102                       Reloc::Model RM, CodeModel::Model CM,
103                       CodeGenOpt::Level OL);
104 };
105 
106 /// MipselTargetMachine - Mips32/64 little endian target machine.
107 ///
108 class MipselTargetMachine : public MipsTargetMachine {
109   virtual void anchor();
110 public:
111   MipselTargetMachine(const Target &T, StringRef TT,
112                       StringRef CPU, StringRef FS, const TargetOptions &Options,
113                       Reloc::Model RM, CodeModel::Model CM,
114                       CodeGenOpt::Level OL);
115 };
116 
117 } // End llvm namespace
118 
119 #endif
120