1 //===-- ARMTargetMachine.h - Define TargetMachine for ARM -------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares the ARM specific subclass of TargetMachine.
12 //===----------------------------------------------------------------------===//
14 #ifndef ARMTARGETMACHINE_H
15 #define ARMTARGETMACHINE_H
17 #include "ARMInstrInfo.h"
18 #include "ARMELFWriterInfo.h"
19 #include "ARMFrameLowering.h"
20 #include "ARMJITInfo.h"
21 #include "ARMSubtarget.h"
22 #include "ARMISelLowering.h"
23 #include "ARMSelectionDAGInfo.h"
24 #include "Thumb1InstrInfo.h"
25 #include "Thumb1FrameLowering.h"
26 #include "Thumb2InstrInfo.h"
27 #include "llvm/Target/TargetMachine.h"
28 #include "llvm/Target/TargetData.h"
29 #include "llvm/MC/MCStreamer.h"
30 #include "llvm/ADT/OwningPtr.h"
34 class ARMBaseTargetMachine : public LLVMTargetMachine {
36 ARMSubtarget Subtarget;
39 InstrItineraryData InstrItins;
42 ARMBaseTargetMachine(const Target &T, StringRef TT,
43 StringRef CPU, StringRef FS,
44 const TargetOptions &Options,
45 Reloc::Model RM, CodeModel::Model CM,
46 CodeGenOpt::Level OL);
48 virtual ARMJITInfo *getJITInfo() { return &JITInfo; }
49 virtual const ARMSubtarget *getSubtargetImpl() const { return &Subtarget; }
50 virtual const InstrItineraryData *getInstrItineraryData() const {
54 // Pass Pipeline Configuration
55 virtual TargetPassConfig *createPassConfig(PassManagerBase &PM, bool DisableVerify);
57 virtual bool addCodeEmitter(PassManagerBase &PM, JITCodeEmitter &MCE);
60 /// ARMTargetMachine - ARM target machine.
62 class ARMTargetMachine : public ARMBaseTargetMachine {
63 virtual void anchor();
64 ARMInstrInfo InstrInfo;
65 const TargetData DataLayout; // Calculates type size & alignment
66 ARMELFWriterInfo ELFWriterInfo;
67 ARMTargetLowering TLInfo;
68 ARMSelectionDAGInfo TSInfo;
69 ARMFrameLowering FrameLowering;
71 ARMTargetMachine(const Target &T, StringRef TT,
72 StringRef CPU, StringRef FS,
73 const TargetOptions &Options,
74 Reloc::Model RM, CodeModel::Model CM,
75 CodeGenOpt::Level OL);
77 virtual const ARMRegisterInfo *getRegisterInfo() const {
78 return &InstrInfo.getRegisterInfo();
81 virtual const ARMTargetLowering *getTargetLowering() const {
85 virtual const ARMSelectionDAGInfo* getSelectionDAGInfo() const {
88 virtual const ARMFrameLowering *getFrameLowering() const {
89 return &FrameLowering;
92 virtual const ARMInstrInfo *getInstrInfo() const { return &InstrInfo; }
93 virtual const TargetData *getTargetData() const { return &DataLayout; }
94 virtual const ARMELFWriterInfo *getELFWriterInfo() const {
95 return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
99 /// ThumbTargetMachine - Thumb target machine.
100 /// Due to the way architectures are handled, this represents both
101 /// Thumb-1 and Thumb-2.
103 class ThumbTargetMachine : public ARMBaseTargetMachine {
104 virtual void anchor();
105 // Either Thumb1InstrInfo or Thumb2InstrInfo.
106 OwningPtr<ARMBaseInstrInfo> InstrInfo;
107 const TargetData DataLayout; // Calculates type size & alignment
108 ARMELFWriterInfo ELFWriterInfo;
109 ARMTargetLowering TLInfo;
110 ARMSelectionDAGInfo TSInfo;
111 // Either Thumb1FrameLowering or ARMFrameLowering.
112 OwningPtr<ARMFrameLowering> FrameLowering;
114 ThumbTargetMachine(const Target &T, StringRef TT,
115 StringRef CPU, StringRef FS,
116 const TargetOptions &Options,
117 Reloc::Model RM, CodeModel::Model CM,
118 CodeGenOpt::Level OL);
120 /// returns either Thumb1RegisterInfo or Thumb2RegisterInfo
121 virtual const ARMBaseRegisterInfo *getRegisterInfo() const {
122 return &InstrInfo->getRegisterInfo();
125 virtual const ARMTargetLowering *getTargetLowering() const {
129 virtual const ARMSelectionDAGInfo *getSelectionDAGInfo() const {
133 /// returns either Thumb1InstrInfo or Thumb2InstrInfo
134 virtual const ARMBaseInstrInfo *getInstrInfo() const {
135 return InstrInfo.get();
137 /// returns either Thumb1FrameLowering or ARMFrameLowering
138 virtual const ARMFrameLowering *getFrameLowering() const {
139 return FrameLowering.get();
141 virtual const TargetData *getTargetData() const { return &DataLayout; }
142 virtual const ARMELFWriterInfo *getELFWriterInfo() const {
143 return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
147 } // end namespace llvm