PPCTargetMachine.h revision 4246790aa84a530b0378d917023584c2c7adb4a9 
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 Module &M, const std::string &FS, bool is64Bit);
54
55  virtual const PPCInstrInfo     *getInstrInfo() const { return &InstrInfo; }
56  virtual const PPCFrameInfo     *getFrameInfo() const { return &FrameInfo; }
57  virtual       PPCJITInfo       *getJITInfo()         { return &JITInfo; }
58  virtual       PPCTargetLowering *getTargetLowering() const {
59   return const_cast<PPCTargetLowering*>(&TLInfo);
60  }
61  virtual const PPCRegisterInfo  *getRegisterInfo() const {
62    return &InstrInfo.getRegisterInfo();
63  }
64
65  virtual const TargetData    *getTargetData() const    { return &DataLayout; }
66  virtual const PPCSubtarget  *getSubtargetImpl() const { return &Subtarget; }
67  virtual const InstrItineraryData getInstrItineraryData() const {
68    return InstrItins;
69  }
70  virtual const PPCMachOWriterInfo *getMachOWriterInfo() const {
71    return &MachOWriterInfo;
72  }
73
74  static void registerAsmPrinter(AsmPrinterCtorFn F) {
75    AsmPrinterCtor = F;
76  }
77
78  // Pass Pipeline Configuration
79  virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
80  virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
81  virtual bool addAssemblyEmitter(PassManagerBase &PM,
82                                  CodeGenOpt::Level OptLevel,
83                                  bool Verbose, formatted_raw_ostream &Out);
84  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
85                              bool DumpAsm, MachineCodeEmitter &MCE);
86  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
87                              bool DumpAsm, JITCodeEmitter &JCE);
88  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
89                              bool DumpAsm, ObjectCodeEmitter &OCE);
90  virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
91                                    CodeGenOpt::Level OptLevel,
92                                    bool DumpAsm, MachineCodeEmitter &MCE);
93  virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
94                                    CodeGenOpt::Level OptLevel,
95                                    bool DumpAsm, JITCodeEmitter &JCE);
96  virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
97                                    CodeGenOpt::Level OptLevel,
98                                    bool DumpAsm, ObjectCodeEmitter &OCE);
99  virtual bool getEnableTailMergeDefault() const;
100};
101
102/// PPC32TargetMachine - PowerPC 32-bit target machine.
103///
104class PPC32TargetMachine : public PPCTargetMachine {
105public:
106  PPC32TargetMachine(const Module &M, const std::string &FS);
107
108  static unsigned getJITMatchQuality();
109  static unsigned getModuleMatchQuality(const Module &M);
110};
111
112/// PPC64TargetMachine - PowerPC 64-bit target machine.
113///
114class PPC64TargetMachine : public PPCTargetMachine {
115public:
116  PPC64TargetMachine(const Module &M, const std::string &FS);
117
118  static unsigned getJITMatchQuality();
119  static unsigned getModuleMatchQuality(const Module &M);
120};
121
122} // end namespace llvm
123
124#endif
125