1 //===-- MipsTargetMachine.h - Define TargetMachine for Mips -00--*- 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 "MipsSubtarget.h"
18 #include "MipsInstrInfo.h"
19 #include "MipsISelLowering.h"
20 #include "llvm/Target/TargetMachine.h"
21 #include "llvm/Target/TargetData.h"
22 #include "llvm/Target/TargetFrameInfo.h"
23 
24 namespace llvm {
25   class raw_ostream;
26 
27   class MipsTargetMachine : public LLVMTargetMachine {
28     MipsSubtarget       Subtarget;
29     const TargetData    DataLayout; // Calculates type size & alignment
30     MipsInstrInfo       InstrInfo;
31     TargetFrameInfo     FrameInfo;
32     MipsTargetLowering  TLInfo;
33 
34   protected:
35     virtual const TargetAsmInfo *createTargetAsmInfo() const;
36   protected:
37     // To avoid having target depend on the asmprinter stuff libraries,
38     // asmprinter set this functions to ctor pointer at startup time if they are
39     // linked in.
40     typedef FunctionPass *(*AsmPrinterCtorFn)(raw_ostream &o,
41                                               MipsTargetMachine &tm,
42                                               bool verbose);
43     static AsmPrinterCtorFn AsmPrinterCtor;
44 
45   public:
46     MipsTargetMachine(const Module &M, const std::string &FS, bool isLittle);
47 
48     static void registerAsmPrinter(AsmPrinterCtorFn F) {
49       AsmPrinterCtor = F;
50     }
51 
52     virtual const MipsInstrInfo   *getInstrInfo()     const
53     { return &InstrInfo; }
54     virtual const TargetFrameInfo *getFrameInfo()     const
55     { return &FrameInfo; }
56     virtual const MipsSubtarget   *getSubtargetImpl() const
57     { return &Subtarget; }
58     virtual const TargetData      *getTargetData()    const
59     { return &DataLayout;}
60 
61     virtual const MipsRegisterInfo *getRegisterInfo()  const {
62       return &InstrInfo.getRegisterInfo();
63     }
64 
65     virtual MipsTargetLowering   *getTargetLowering() const {
66       return const_cast<MipsTargetLowering*>(&TLInfo);
67     }
68 
69     static unsigned getModuleMatchQuality(const Module &M);
70 
71     // Pass Pipeline Configuration
72     virtual bool addInstSelector(PassManagerBase &PM,
73                                  CodeGenOpt::Level OptLevel);
74     virtual bool addPreEmitPass(PassManagerBase &PM,
75                                 CodeGenOpt::Level OptLevel);
76     virtual bool addAssemblyEmitter(PassManagerBase &PM,
77                                     CodeGenOpt::Level OptLevel,
78                                     bool Verbose, raw_ostream &Out);
79   };
80 
81 /// MipselTargetMachine - Mipsel target machine.
82 ///
83 class MipselTargetMachine : public MipsTargetMachine {
84 public:
85   MipselTargetMachine(const Module &M, const std::string &FS);
86 
87   static unsigned getModuleMatchQuality(const Module &M);
88 };
89 
90 } // End llvm namespace
91 
92 #endif
93