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, Reloc::Model RM);
45 virtual ARMJITInfo *getJITInfo() { return &JITInfo; }
46 virtual const ARMSubtarget *getSubtargetImpl() const { return &Subtarget; }
47 virtual const InstrItineraryData *getInstrItineraryData() const {
51 // Pass Pipeline Configuration
52 virtual bool addPreISel(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
53 virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
54 virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
55 virtual bool addPreSched2(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
56 virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
57 virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
61 /// ARMTargetMachine - ARM target machine.
63 class ARMTargetMachine : public ARMBaseTargetMachine {
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, Reloc::Model RM);
74 virtual const ARMRegisterInfo *getRegisterInfo() const {
75 return &InstrInfo.getRegisterInfo();
78 virtual const ARMTargetLowering *getTargetLowering() const {
82 virtual const ARMSelectionDAGInfo* getSelectionDAGInfo() const {
85 virtual const ARMFrameLowering *getFrameLowering() const {
86 return &FrameLowering;
89 virtual const ARMInstrInfo *getInstrInfo() const { return &InstrInfo; }
90 virtual const TargetData *getTargetData() const { return &DataLayout; }
91 virtual const ARMELFWriterInfo *getELFWriterInfo() const {
92 return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
96 /// ThumbTargetMachine - Thumb target machine.
97 /// Due to the way architectures are handled, this represents both
98 /// Thumb-1 and Thumb-2.
100 class ThumbTargetMachine : public ARMBaseTargetMachine {
101 // Either Thumb1InstrInfo or Thumb2InstrInfo.
102 OwningPtr<ARMBaseInstrInfo> InstrInfo;
103 const TargetData DataLayout; // Calculates type size & alignment
104 ARMELFWriterInfo ELFWriterInfo;
105 ARMTargetLowering TLInfo;
106 ARMSelectionDAGInfo TSInfo;
107 // Either Thumb1FrameLowering or ARMFrameLowering.
108 OwningPtr<ARMFrameLowering> FrameLowering;
110 ThumbTargetMachine(const Target &T, StringRef TT,
111 StringRef CPU, StringRef FS, Reloc::Model RM);
113 /// returns either Thumb1RegisterInfo or Thumb2RegisterInfo
114 virtual const ARMBaseRegisterInfo *getRegisterInfo() const {
115 return &InstrInfo->getRegisterInfo();
118 virtual const ARMTargetLowering *getTargetLowering() const {
122 virtual const ARMSelectionDAGInfo *getSelectionDAGInfo() const {
126 /// returns either Thumb1InstrInfo or Thumb2InstrInfo
127 virtual const ARMBaseInstrInfo *getInstrInfo() const {
128 return InstrInfo.get();
130 /// returns either Thumb1FrameLowering or ARMFrameLowering
131 virtual const ARMFrameLowering *getFrameLowering() const {
132 return FrameLowering.get();
134 virtual const TargetData *getTargetData() const { return &DataLayout; }
135 virtual const ARMELFWriterInfo *getELFWriterInfo() const {
136 return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
140 } // end namespace llvm