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 "MipsInstrInfo.h"
19 #include "MipsISelLowering.h"
20 #include "MipsJITInfo.h"
21 #include "MipsSelectionDAGInfo.h"
22 #include "MipsSubtarget.h"
23 #include "llvm/Target/TargetMachine.h"
24 #include "llvm/Target/TargetData.h"
25 #include "llvm/Target/TargetFrameLowering.h"
26 
27 namespace llvm {
28 class formatted_raw_ostream;
29 class MipsRegisterInfo;
30 
31 class MipsTargetMachine : public LLVMTargetMachine {
32   MipsSubtarget       Subtarget;
33   const TargetData    DataLayout; // Calculates type size & alignment
34   const MipsInstrInfo *InstrInfo;
35   const MipsFrameLowering *FrameLowering;
36   MipsTargetLowering  TLInfo;
37   MipsSelectionDAGInfo TSInfo;
38   MipsJITInfo JITInfo;
39 
40 public:
41   MipsTargetMachine(const Target &T, StringRef TT,
42                     StringRef CPU, StringRef FS, const TargetOptions &Options,
43                     Reloc::Model RM, CodeModel::Model CM,
44                     CodeGenOpt::Level OL,
45                     bool isLittle);
46 
47   virtual ~MipsTargetMachine() { delete InstrInfo; }
48 
49   virtual const MipsInstrInfo *getInstrInfo() const
50   { return InstrInfo; }
51   virtual const TargetFrameLowering *getFrameLowering() const
52   { return FrameLowering; }
53   virtual const MipsSubtarget *getSubtargetImpl() const
54   { return &Subtarget; }
55   virtual const TargetData *getTargetData()    const
56   { return &DataLayout;}
57   virtual MipsJITInfo *getJITInfo()
58   { return &JITInfo; }
59 
60   virtual const MipsRegisterInfo *getRegisterInfo()  const {
61     return &InstrInfo->getRegisterInfo();
62   }
63 
64   virtual const MipsTargetLowering *getTargetLowering() const {
65     return &TLInfo;
66   }
67 
68   virtual const MipsSelectionDAGInfo* getSelectionDAGInfo() const {
69     return &TSInfo;
70   }
71 
72   // Pass Pipeline Configuration
73   virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);
74   virtual bool addCodeEmitter(PassManagerBase &PM, JITCodeEmitter &JCE);
75 };
76 
77 /// MipsebTargetMachine - Mips32/64 big endian target machine.
78 ///
79 class MipsebTargetMachine : public MipsTargetMachine {
80   virtual void anchor();
81 public:
82   MipsebTargetMachine(const Target &T, StringRef TT,
83                       StringRef CPU, StringRef FS, const TargetOptions &Options,
84                       Reloc::Model RM, CodeModel::Model CM,
85                       CodeGenOpt::Level OL);
86 };
87 
88 /// MipselTargetMachine - Mips32/64 little endian target machine.
89 ///
90 class MipselTargetMachine : public MipsTargetMachine {
91   virtual void anchor();
92 public:
93   MipselTargetMachine(const Target &T, StringRef TT,
94                       StringRef CPU, StringRef FS, const TargetOptions &Options,
95                       Reloc::Model RM, CodeModel::Model CM,
96                       CodeGenOpt::Level OL);
97 };
98 
99 } // End llvm namespace
100 
101 #endif
102