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"
30 class ARMTargetMachine : public LLVMTargetMachine {
31 ARMSubtarget Subtarget;
32 const TargetData DataLayout; // Calculates type size & alignment
33 ARMInstrInfo InstrInfo;
34 ARMFrameInfo FrameInfo;
36 ARMTargetLowering TLInfo;
37 InstrItineraryData InstrItins;
38 Reloc::Model DefRelocModel; // Reloc model before it's overridden.
41 // To avoid having target depend on the asmprinter stuff libraries, asmprinter
42 // set this functions to ctor pointer at startup time if they are linked in.
43 typedef FunctionPass *(*AsmPrinterCtorFn)(raw_ostream &o,
45 CodeGenOpt::Level OptLevel,
47 static AsmPrinterCtorFn AsmPrinterCtor;
50 ARMTargetMachine(const Module &M, const std::string &FS, bool isThumb = false);
52 virtual const ARMInstrInfo *getInstrInfo() const { return &InstrInfo; }
53 virtual const ARMFrameInfo *getFrameInfo() const { return &FrameInfo; }
54 virtual ARMJITInfo *getJITInfo() { return &JITInfo; }
55 virtual const ARMRegisterInfo *getRegisterInfo() const {
56 return &InstrInfo.getRegisterInfo();
58 virtual const TargetData *getTargetData() const { return &DataLayout; }
59 virtual const ARMSubtarget *getSubtargetImpl() const { return &Subtarget; }
60 virtual ARMTargetLowering *getTargetLowering() const {
61 return const_cast<ARMTargetLowering*>(&TLInfo);
63 virtual const InstrItineraryData getInstrItineraryData() const {
67 static void registerAsmPrinter(AsmPrinterCtorFn F) {
71 static unsigned getModuleMatchQuality(const Module &M);
72 static unsigned getJITMatchQuality();
74 virtual const TargetAsmInfo *createTargetAsmInfo() const;
76 // Pass Pipeline Configuration
77 virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
78 virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
79 virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
80 virtual bool addAssemblyEmitter(PassManagerBase &PM,
81 CodeGenOpt::Level OptLevel,
82 bool Verbose, raw_ostream &Out);
83 virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
84 bool DumpAsm, MachineCodeEmitter &MCE);
85 virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
86 bool DumpAsm, JITCodeEmitter &MCE);
87 virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
88 CodeGenOpt::Level OptLevel,
90 MachineCodeEmitter &MCE);
91 virtual bool addSimpleCodeEmitter(PassManagerBase &PM,
92 CodeGenOpt::Level OptLevel,
97 /// ThumbTargetMachine - Thumb target machine.
99 class ThumbTargetMachine : public ARMTargetMachine {
101 ThumbTargetMachine(const Module &M, const std::string &FS);
103 static unsigned getJITMatchQuality();
104 static unsigned getModuleMatchQuality(const Module &M);
107 } // end namespace llvm