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/TargetTransformImpl.h"
29 #include "llvm/DataLayout.h"
30 #include "llvm/MC/MCStreamer.h"
31 #include "llvm/ADT/OwningPtr.h"
35 class ARMBaseTargetMachine : public LLVMTargetMachine {
37 ARMSubtarget Subtarget;
40 InstrItineraryData InstrItins;
43 ARMBaseTargetMachine(const Target &T, StringRef TT,
44 StringRef CPU, StringRef FS,
45 const TargetOptions &Options,
46 Reloc::Model RM, CodeModel::Model CM,
47 CodeGenOpt::Level OL);
49 virtual ARMJITInfo *getJITInfo() { return &JITInfo; }
50 virtual const ARMSubtarget *getSubtargetImpl() const { return &Subtarget; }
51 virtual const InstrItineraryData *getInstrItineraryData() const {
55 // Pass Pipeline Configuration
56 virtual TargetPassConfig *createPassConfig(PassManagerBase &PM);
58 virtual bool addCodeEmitter(PassManagerBase &PM, JITCodeEmitter &MCE);
61 /// ARMTargetMachine - ARM target machine.
63 class ARMTargetMachine : public ARMBaseTargetMachine {
64 virtual void anchor();
65 ARMInstrInfo InstrInfo;
66 const DataLayout DL; // Calculates type size & alignment
67 ARMELFWriterInfo ELFWriterInfo;
68 ARMTargetLowering TLInfo;
69 ARMSelectionDAGInfo TSInfo;
70 ARMFrameLowering FrameLowering;
71 ScalarTargetTransformImpl STTI;
72 VectorTargetTransformImpl VTTI;
74 ARMTargetMachine(const Target &T, StringRef TT,
75 StringRef CPU, StringRef FS,
76 const TargetOptions &Options,
77 Reloc::Model RM, CodeModel::Model CM,
78 CodeGenOpt::Level OL);
80 virtual const ARMRegisterInfo *getRegisterInfo() const {
81 return &InstrInfo.getRegisterInfo();
84 virtual const ARMTargetLowering *getTargetLowering() const {
88 virtual const ARMSelectionDAGInfo* getSelectionDAGInfo() const {
91 virtual const ARMFrameLowering *getFrameLowering() const {
92 return &FrameLowering;
94 virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
97 virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
100 virtual const ARMInstrInfo *getInstrInfo() const { return &InstrInfo; }
101 virtual const DataLayout *getDataLayout() const { return &DL; }
102 virtual const ARMELFWriterInfo *getELFWriterInfo() const {
103 return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
107 /// ThumbTargetMachine - Thumb target machine.
108 /// Due to the way architectures are handled, this represents both
109 /// Thumb-1 and Thumb-2.
111 class ThumbTargetMachine : public ARMBaseTargetMachine {
112 virtual void anchor();
113 // Either Thumb1InstrInfo or Thumb2InstrInfo.
114 OwningPtr<ARMBaseInstrInfo> InstrInfo;
115 const DataLayout DL; // Calculates type size & alignment
116 ARMELFWriterInfo ELFWriterInfo;
117 ARMTargetLowering TLInfo;
118 ARMSelectionDAGInfo TSInfo;
119 // Either Thumb1FrameLowering or ARMFrameLowering.
120 OwningPtr<ARMFrameLowering> FrameLowering;
121 ScalarTargetTransformImpl STTI;
122 VectorTargetTransformImpl VTTI;
124 ThumbTargetMachine(const Target &T, StringRef TT,
125 StringRef CPU, StringRef FS,
126 const TargetOptions &Options,
127 Reloc::Model RM, CodeModel::Model CM,
128 CodeGenOpt::Level OL);
130 /// returns either Thumb1RegisterInfo or Thumb2RegisterInfo
131 virtual const ARMBaseRegisterInfo *getRegisterInfo() const {
132 return &InstrInfo->getRegisterInfo();
135 virtual const ARMTargetLowering *getTargetLowering() const {
139 virtual const ARMSelectionDAGInfo *getSelectionDAGInfo() const {
143 /// returns either Thumb1InstrInfo or Thumb2InstrInfo
144 virtual const ARMBaseInstrInfo *getInstrInfo() const {
145 return InstrInfo.get();
147 /// returns either Thumb1FrameLowering or ARMFrameLowering
148 virtual const ARMFrameLowering *getFrameLowering() const {
149 return FrameLowering.get();
151 virtual const ScalarTargetTransformInfo *getScalarTargetTransformInfo()const {
154 virtual const VectorTargetTransformInfo *getVectorTargetTransformInfo()const {
157 virtual const DataLayout *getDataLayout() const { return &DL; }
158 virtual const ARMELFWriterInfo *getELFWriterInfo() const {
159 return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
163 } // end namespace llvm