PPCTargetMachine.h revision 208599 
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 "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  PPCFrameInfo        FrameInfo;
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 PPCFrameInfo     *getFrameInfo() const { return &FrameInfo; }
48  virtual       PPCJITInfo       *getJITInfo()         { return &JITInfo; }
49  virtual const PPCTargetLowering *getTargetLowering() const {
50   return &TLInfo;
51  }
52  virtual const PPCSelectionDAGInfo* getSelectionDAGInfo() const {
53    return &TSInfo;
54  }
55  virtual const PPCRegisterInfo  *getRegisterInfo() const {
56    return &InstrInfo.getRegisterInfo();
57  }
58
59  virtual const TargetData    *getTargetData() const    { return &DataLayout; }
60  virtual const PPCSubtarget  *getSubtargetImpl() const { return &Subtarget; }
61  virtual const InstrItineraryData getInstrItineraryData() const {
62    return InstrItins;
63  }
64
65  // Pass Pipeline Configuration
66  virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
67  virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
68  virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
69                              JITCodeEmitter &JCE);
70  virtual bool getEnableTailMergeDefault() const;
71};
72
73/// PPC32TargetMachine - PowerPC 32-bit target machine.
74///
75class PPC32TargetMachine : public PPCTargetMachine {
76public:
77  PPC32TargetMachine(const Target &T, const std::string &TT,
78                     const std::string &FS);
79};
80
81/// PPC64TargetMachine - PowerPC 64-bit target machine.
82///
83class PPC64TargetMachine : public PPCTargetMachine {
84public:
85  PPC64TargetMachine(const Target &T, const std::string &TT,
86                     const std::string &FS);
87};
88
89} // end namespace llvm
90
91#endif
92