PPCTargetMachine.h revision 218893 
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 "PPCFrameLowering.h"
18#include "PPCSubtarget.h"
19#include "PPCJITInfo.h"
20#include "PPCInstrInfo.h"
21#include "PPCISelLowering.h"
22#include "PPCSelectionDAGInfo.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  PPCFrameLowering    FrameLowering;
37  PPCJITInfo          JITInfo;
38  PPCTargetLowering   TLInfo;
39  PPCSelectionDAGInfo TSInfo;
40  InstrItineraryData  InstrItins;
41
42public:
43  PPCTargetMachine(const Target &T, const std::string &TT,
44                   const std::string &FS, bool is64Bit);
45
46  virtual const PPCInstrInfo      *getInstrInfo() const { return &InstrInfo; }
47  virtual const PPCFrameLowering  *getFrameLowering() const {
48    return &FrameLowering;
49  }
50  virtual       PPCJITInfo        *getJITInfo()         { return &JITInfo; }
51  virtual const PPCTargetLowering *getTargetLowering() const {
52   return &TLInfo;
53  }
54  virtual const PPCSelectionDAGInfo* getSelectionDAGInfo() const {
55    return &TSInfo;
56  }
57  virtual const PPCRegisterInfo   *getRegisterInfo() const {
58    return &InstrInfo.getRegisterInfo();
59  }
60
61  virtual const TargetData    *getTargetData() const    { return &DataLayout; }
62  virtual const PPCSubtarget  *getSubtargetImpl() const { return &Subtarget; }
63  virtual const InstrItineraryData *getInstrItineraryData() const {
64    return &InstrItins;
65  }
66
67  // Pass Pipeline Configuration
68  virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
69  virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
70  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
71                              JITCodeEmitter &JCE);
72  virtual bool getEnableTailMergeDefault() const;
73};
74
75/// PPC32TargetMachine - PowerPC 32-bit target machine.
76///
77class PPC32TargetMachine : public PPCTargetMachine {
78public:
79  PPC32TargetMachine(const Target &T, const std::string &TT,
80                     const std::string &FS);
81};
82
83/// PPC64TargetMachine - PowerPC 64-bit target machine.
84///
85class PPC64TargetMachine : public PPCTargetMachine {
86public:
87  PPC64TargetMachine(const Target &T, const std::string &TT,
88                     const std::string &FS);
89};
90
91} // end namespace llvm
92
93#endif
94