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 bool addPreISel(PassManagerBase &PM);
56 virtual bool addInstSelector(PassManagerBase &PM);
57 virtual bool addPreRegAlloc(PassManagerBase &PM);
58 virtual bool addPreSched2(PassManagerBase &PM);
59 virtual bool addPreEmitPass(PassManagerBase &PM);
60 virtual bool addCodeEmitter(PassManagerBase &PM, JITCodeEmitter &MCE);
63 /// ARMTargetMachine - ARM target machine.
65 class ARMTargetMachine : public ARMBaseTargetMachine {
66 ARMInstrInfo InstrInfo;
67 const TargetData DataLayout; // Calculates type size & alignment
68 ARMELFWriterInfo ELFWriterInfo;
69 ARMTargetLowering TLInfo;
70 ARMSelectionDAGInfo TSInfo;
71 ARMFrameLowering FrameLowering;
73 ARMTargetMachine(const Target &T, StringRef TT,
74 StringRef CPU, StringRef FS,
75 const TargetOptions &Options,
76 Reloc::Model RM, CodeModel::Model CM,
77 CodeGenOpt::Level OL);
79 virtual const ARMRegisterInfo *getRegisterInfo() const {
80 return &InstrInfo.getRegisterInfo();
83 virtual const ARMTargetLowering *getTargetLowering() const {
87 virtual const ARMSelectionDAGInfo* getSelectionDAGInfo() const {
90 virtual const ARMFrameLowering *getFrameLowering() const {
91 return &FrameLowering;
94 virtual const ARMInstrInfo *getInstrInfo() const { return &InstrInfo; }
95 virtual const TargetData *getTargetData() const { return &DataLayout; }
96 virtual const ARMELFWriterInfo *getELFWriterInfo() const {
97 return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
101 /// ThumbTargetMachine - Thumb target machine.
102 /// Due to the way architectures are handled, this represents both
103 /// Thumb-1 and Thumb-2.
105 class ThumbTargetMachine : public ARMBaseTargetMachine {
106 // Either Thumb1InstrInfo or Thumb2InstrInfo.
107 OwningPtr<ARMBaseInstrInfo> InstrInfo;
108 const TargetData DataLayout; // Calculates type size & alignment
109 ARMELFWriterInfo ELFWriterInfo;
110 ARMTargetLowering TLInfo;
111 ARMSelectionDAGInfo TSInfo;
112 // Either Thumb1FrameLowering or ARMFrameLowering.
113 OwningPtr<ARMFrameLowering> FrameLowering;
115 ThumbTargetMachine(const Target &T, StringRef TT,
116 StringRef CPU, StringRef FS,
117 const TargetOptions &Options,
118 Reloc::Model RM, CodeModel::Model CM,
119 CodeGenOpt::Level OL);
121 /// returns either Thumb1RegisterInfo or Thumb2RegisterInfo
122 virtual const ARMBaseRegisterInfo *getRegisterInfo() const {
123 return &InstrInfo->getRegisterInfo();
126 virtual const ARMTargetLowering *getTargetLowering() const {
130 virtual const ARMSelectionDAGInfo *getSelectionDAGInfo() const {
134 /// returns either Thumb1InstrInfo or Thumb2InstrInfo
135 virtual const ARMBaseInstrInfo *getInstrInfo() const {
136 return InstrInfo.get();
138 /// returns either Thumb1FrameLowering or ARMFrameLowering
139 virtual const ARMFrameLowering *getFrameLowering() const {
140 return FrameLowering.get();
142 virtual const TargetData *getTargetData() const { return &DataLayout; }
143 virtual const ARMELFWriterInfo *getELFWriterInfo() const {
144 return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
148 } // end namespace llvm