ARMTargetMachine.h revision 847b99b2df4534498b514c439324e7c60de5c3b7 
1//===-- ARMTargetMachine.h - Define TargetMachine for ARM -------*- 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 ARM specific subclass of TargetMachine.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef ARMTARGETMACHINE_H
15#define ARMTARGETMACHINE_H
16
17#include "llvm/Target/TargetMachine.h"
18#include "llvm/Target/TargetData.h"
19#include "llvm/Target/TargetFrameInfo.h"
20#include "ARMInstrInfo.h"
21#include "ARMFrameInfo.h"
22#include "ARMJITInfo.h"
23#include "ARMSubtarget.h"
24#include "ARMISelLowering.h"
25
26namespace llvm {
27
28class Module;
29
30class ARMTargetMachine : public LLVMTargetMachine {
31  ARMSubtarget      Subtarget;
32  const TargetData  DataLayout;       // Calculates type size & alignment
33  ARMInstrInfo      InstrInfo;
34  ARMFrameInfo      FrameInfo;
35  ARMJITInfo        JITInfo;
36  ARMTargetLowering TLInfo;
37
38protected:
39  // To avoid having target depend on the asmprinter stuff libraries, asmprinter
40  // set this functions to ctor pointer at startup time if they are linked in.
41  typedef FunctionPass *(*AsmPrinterCtorFn)(raw_ostream &o,
42                                            ARMTargetMachine &tm);
43  static AsmPrinterCtorFn AsmPrinterCtor;
44
45public:
46  ARMTargetMachine(const Module &M, const std::string &FS, bool isThumb = false);
47
48  virtual const ARMInstrInfo     *getInstrInfo() const { return &InstrInfo; }
49  virtual const ARMFrameInfo     *getFrameInfo() const { return &FrameInfo; }
50  virtual       ARMJITInfo       *getJITInfo()         { return &JITInfo; }
51  virtual const ARMRegisterInfo  *getRegisterInfo() const {
52    return &InstrInfo.getRegisterInfo();
53  }
54  virtual const TargetData       *getTargetData() const { return &DataLayout; }
55  virtual const ARMSubtarget  *getSubtargetImpl() const { return &Subtarget; }
56  virtual       ARMTargetLowering *getTargetLowering() const {
57    return const_cast<ARMTargetLowering*>(&TLInfo);
58  }
59
60  static void registerAsmPrinter(AsmPrinterCtorFn F) {
61    AsmPrinterCtor = F;
62  }
63
64  static unsigned getModuleMatchQuality(const Module &M);
65  static unsigned getJITMatchQuality();
66
67  virtual const TargetAsmInfo *createTargetAsmInfo() const;
68
69  // Pass Pipeline Configuration
70  virtual bool addInstSelector(PassManagerBase &PM, bool Fast);
71  virtual bool addPreEmitPass(PassManagerBase &PM, bool Fast);
72  virtual bool addAssemblyEmitter(PassManagerBase &PM, bool Fast,
73                                  raw_ostream &Out);
74  virtual bool addCodeEmitter(PassManagerBase &PM, bool Fast,
75                              bool DumpAsm, MachineCodeEmitter &MCE);
76  virtual bool addSimpleCodeEmitter(PassManagerBase &PM, bool Fast,
77                                    bool DumpAsm, MachineCodeEmitter &MCE);
78};
79
80/// ThumbTargetMachine - Thumb target machine.
81///
82class ThumbTargetMachine : public ARMTargetMachine {
83public:
84  ThumbTargetMachine(const Module &M, const std::string &FS);
85
86  static unsigned getJITMatchQuality();
87  static unsigned getModuleMatchQuality(const Module &M);
88};
89
90} // end namespace llvm
91
92#endif
93