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 "llvm/Target/TargetMachine.h"
18 #include "llvm/Target/TargetData.h"
19 #include "ARMInstrInfo.h"
20 #include "ARMFrameInfo.h"
21 #include "ARMJITInfo.h"
22 #include "ARMSubtarget.h"
23 #include "ARMISelLowering.h"
24 #include "Thumb1InstrInfo.h"
25 #include "Thumb2InstrInfo.h"
31 class ARMBaseTargetMachine : public LLVMTargetMachine {
33 ARMSubtarget Subtarget;
36 ARMFrameInfo FrameInfo;
38 InstrItineraryData InstrItins;
39 Reloc::Model DefRelocModel; // Reloc model before it's overridden.
42 ARMBaseTargetMachine(const Target &T, const Module &M, const std::string &FS,
45 virtual const ARMFrameInfo *getFrameInfo() const { return &FrameInfo; }
46 virtual ARMJITInfo *getJITInfo() { return &JITInfo; }
47 virtual const ARMSubtarget *getSubtargetImpl() const { return &Subtarget; }
48 virtual const InstrItineraryData getInstrItineraryData() const {
52 virtual const TargetAsmInfo *createTargetAsmInfo() const;
54 // Pass Pipeline Configuration
55 virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
56 virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
57 virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
58 virtual bool addAssemblyEmitter(PassManagerBase &PM,
59 CodeGenOpt::Level OptLevel,
60 bool Verbose, formatted_raw_ostream &Out);
61 virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
62 MachineCodeEmitter &MCE);
63 virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
65 virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
66 ObjectCodeEmitter &OCE);
67 virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
68 CodeGenOpt::Level OptLevel,
69 MachineCodeEmitter &MCE);
70 virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
71 CodeGenOpt::Level OptLevel,
73 virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
74 CodeGenOpt::Level OptLevel,
75 ObjectCodeEmitter &OCE);
78 /// ARMTargetMachine - ARM target machine.
80 class ARMTargetMachine : public ARMBaseTargetMachine {
81 ARMInstrInfo InstrInfo;
82 const TargetData DataLayout; // Calculates type size & alignment
83 ARMTargetLowering TLInfo;
85 ARMTargetMachine(const Target &T, const Module &M, const std::string &FS);
87 virtual const ARMRegisterInfo *getRegisterInfo() const {
88 return &InstrInfo.getRegisterInfo();
91 virtual ARMTargetLowering *getTargetLowering() const {
92 return const_cast<ARMTargetLowering*>(&TLInfo);
95 virtual const ARMInstrInfo *getInstrInfo() const { return &InstrInfo; }
96 virtual const TargetData *getTargetData() const { return &DataLayout; }
98 static unsigned getJITMatchQuality();
99 static unsigned getModuleMatchQuality(const Module &M);
102 /// ThumbTargetMachine - Thumb target machine.
103 /// Due to the way architectures are handled, this represents both
104 /// Thumb-1 and Thumb-2.
106 class ThumbTargetMachine : public ARMBaseTargetMachine {
107 ARMBaseInstrInfo *InstrInfo; // either Thumb1InstrInfo or Thumb2InstrInfo
108 const TargetData DataLayout; // Calculates type size & alignment
109 ARMTargetLowering TLInfo;
111 ThumbTargetMachine(const Target &T, const Module &M, const std::string &FS);
113 /// returns either Thumb1RegisterInfo of Thumb2RegisterInfo
114 virtual const ARMBaseRegisterInfo *getRegisterInfo() const {
115 return &InstrInfo->getRegisterInfo();
118 virtual ARMTargetLowering *getTargetLowering() const {
119 return const_cast<ARMTargetLowering*>(&TLInfo);
122 /// returns either Thumb1InstrInfo or Thumb2InstrInfo
123 virtual const ARMBaseInstrInfo *getInstrInfo() const { return InstrInfo; }
124 virtual const TargetData *getTargetData() const { return &DataLayout; }
126 static unsigned getJITMatchQuality();
127 static unsigned getModuleMatchQuality(const Module &M);
130 } // end namespace llvm