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 "llvm/Target/TargetFrameInfo.h"
20 #include "ARMInstrInfo.h"
21 #include "ARMFrameInfo.h"
22 #include "ARMJITInfo.h"
23 #include "ARMSubtarget.h"
24 #include "ARMISelLowering.h"
25 #include "ThumbInstrInfo.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 // To avoid having target depend on the asmprinter stuff libraries, asmprinter
43 // set this functions to ctor pointer at startup time if they are linked in.
44 typedef FunctionPass *(*AsmPrinterCtorFn)(raw_ostream &o,
45 ARMBaseTargetMachine &tm,
47 static AsmPrinterCtorFn AsmPrinterCtor;
50 ARMBaseTargetMachine(const Module &M, const std::string &FS, bool isThumb);
52 virtual const ARMFrameInfo *getFrameInfo() const { return &FrameInfo; }
53 virtual ARMJITInfo *getJITInfo() { return &JITInfo; }
54 virtual const ARMSubtarget *getSubtargetImpl() const { return &Subtarget; }
55 virtual const InstrItineraryData getInstrItineraryData() const {
59 static void registerAsmPrinter(AsmPrinterCtorFn F) {
63 static unsigned getModuleMatchQuality(const Module &M);
64 static unsigned getJITMatchQuality();
66 virtual const TargetAsmInfo *createTargetAsmInfo() const;
68 // Pass Pipeline Configuration
69 virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
70 virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
71 virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
72 virtual bool addAssemblyEmitter(PassManagerBase &PM,
73 CodeGenOpt::Level OptLevel,
74 bool Verbose, raw_ostream &Out);
75 virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
76 bool DumpAsm, MachineCodeEmitter &MCE);
77 virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
78 bool DumpAsm, JITCodeEmitter &MCE);
79 virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
80 CodeGenOpt::Level OptLevel,
82 MachineCodeEmitter &MCE);
83 virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
84 CodeGenOpt::Level OptLevel,
89 /// ARMTargetMachine - ARM target machine.
91 class ARMTargetMachine : public ARMBaseTargetMachine {
92 ARMInstrInfo InstrInfo;
93 const TargetData DataLayout; // Calculates type size & alignment
94 ARMTargetLowering TLInfo;
96 ARMTargetMachine(const Module &M, const std::string &FS);
98 virtual const ARMRegisterInfo *getRegisterInfo() const {
99 return &InstrInfo.getRegisterInfo();
102 virtual ARMTargetLowering *getTargetLowering() const {
103 return const_cast<ARMTargetLowering*>(&TLInfo);
106 virtual const ARMInstrInfo *getInstrInfo() const { return &InstrInfo; }
107 virtual const TargetData *getTargetData() const { return &DataLayout; }
109 static unsigned getJITMatchQuality();
110 static unsigned getModuleMatchQuality(const Module &M);
113 /// ThumbTargetMachine - Thumb target machine.
115 class ThumbTargetMachine : public ARMBaseTargetMachine {
116 ThumbInstrInfo InstrInfo;
117 const TargetData DataLayout; // Calculates type size & alignment
118 ARMTargetLowering TLInfo;
120 ThumbTargetMachine(const Module &M, const std::string &FS);
122 virtual const ThumbRegisterInfo *getRegisterInfo() const {
123 return &InstrInfo.getRegisterInfo();
126 virtual ARMTargetLowering *getTargetLowering() const {
127 return const_cast<ARMTargetLowering*>(&TLInfo);
130 virtual const ThumbInstrInfo *getInstrInfo() const { return &InstrInfo; }
131 virtual const TargetData *getTargetData() const { return &DataLayout; }
133 static unsigned getJITMatchQuality();
134 static unsigned getModuleMatchQuality(const Module &M);
137 } // end namespace llvm