PPCTargetMachine.h revision 51b198af83cb0080c2709b04c129a3d774c07765 
1//===-- PPCTargetMachine.h - Define TargetMachine for PowerPC -----*- 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 PowerPC specific subclass of TargetMachine.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef PPC_TARGETMACHINE_H
15#define PPC_TARGETMACHINE_H
16
17#include "PPCFrameInfo.h"
18#include "PPCSubtarget.h"
19#include "PPCJITInfo.h"
20#include "PPCInstrInfo.h"
21#include "PPCISelLowering.h"
22#include "PPCMachOWriterInfo.h"
23#include "llvm/Target/TargetMachine.h"
24#include "llvm/Target/TargetData.h"
25
26namespace llvm {
27class PassManager;
28class GlobalValue;
29
30/// PPCTargetMachine - Common code between 32-bit and 64-bit PowerPC targets.
31///
32class PPCTargetMachine : public LLVMTargetMachine {
33  PPCSubtarget        Subtarget;
34  const TargetData    DataLayout;       // Calculates type size & alignment
35  PPCInstrInfo        InstrInfo;
36  PPCFrameInfo        FrameInfo;
37  PPCJITInfo          JITInfo;
38  PPCTargetLowering   TLInfo;
39  InstrItineraryData  InstrItins;
40  PPCMachOWriterInfo  MachOWriterInfo;
41
42protected:
43  virtual const TargetAsmInfo *createTargetAsmInfo() const;
44
45  // To avoid having target depend on the asmprinter stuff libraries, asmprinter
46  // set this functions to ctor pointer at startup time if they are linked in.
47  typedef FunctionPass *(*AsmPrinterCtorFn)(formatted_raw_ostream &o,
48                                            TargetMachine &m,
49                                            bool verbose);
50  static AsmPrinterCtorFn AsmPrinterCtor;
51
52public:
53  PPCTargetMachine(const Target &T, const Module &M, const std::string &FS,
54                   bool is64Bit);
55
56  virtual const PPCInstrInfo     *getInstrInfo() const { return &InstrInfo; }
57  virtual const PPCFrameInfo     *getFrameInfo() const { return &FrameInfo; }
58  virtual       PPCJITInfo       *getJITInfo()         { return &JITInfo; }
59  virtual       PPCTargetLowering *getTargetLowering() const {
60   return const_cast<PPCTargetLowering*>(&TLInfo);
61  }
62  virtual const PPCRegisterInfo  *getRegisterInfo() const {
63    return &InstrInfo.getRegisterInfo();
64  }
65
66  virtual const TargetData    *getTargetData() const    { return &DataLayout; }
67  virtual const PPCSubtarget  *getSubtargetImpl() const { return &Subtarget; }
68  virtual const InstrItineraryData getInstrItineraryData() const {
69    return InstrItins;
70  }
71  virtual const PPCMachOWriterInfo *getMachOWriterInfo() const {
72    return &MachOWriterInfo;
73  }
74
75  static void registerAsmPrinter(AsmPrinterCtorFn F) {
76    AsmPrinterCtor = F;
77  }
78
79  // Pass Pipeline Configuration
80  virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
81  virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
82  virtual bool addAssemblyEmitter(PassManagerBase &PM,
83                                  CodeGenOpt::Level OptLevel,
84                                  bool Verbose, formatted_raw_ostream &Out);
85  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
86                              bool DumpAsm, MachineCodeEmitter &MCE);
87  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
88                              bool DumpAsm, JITCodeEmitter &JCE);
89  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
90                              bool DumpAsm, ObjectCodeEmitter &OCE);
91  virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
92                                    CodeGenOpt::Level OptLevel,
93                                    bool DumpAsm, MachineCodeEmitter &MCE);
94  virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
95                                    CodeGenOpt::Level OptLevel,
96                                    bool DumpAsm, JITCodeEmitter &JCE);
97  virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
98                                    CodeGenOpt::Level OptLevel,
99                                    bool DumpAsm, ObjectCodeEmitter &OCE);
100  virtual bool getEnableTailMergeDefault() const;
101};
102
103/// PPC32TargetMachine - PowerPC 32-bit target machine.
104///
105class PPC32TargetMachine : public PPCTargetMachine {
106public:
107  PPC32TargetMachine(const Target &T, const Module &M, const std::string &FS);
108};
109
110/// PPC64TargetMachine - PowerPC 64-bit target machine.
111///
112class PPC64TargetMachine : public PPCTargetMachine {
113public:
114  PPC64TargetMachine(const Target &T, const Module &M, const std::string &FS);
115};
116
117} // end namespace llvm
118
119#endif
120