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//===-- ARMTargetMachine.h - Define TargetMachine for ARM -------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares the ARM specific subclass of TargetMachine.
//
//===----------------------------------------------------------------------===//
#ifndef ARMTARGETMACHINE_H
#define ARMTARGETMACHINE_H
#include "ARMInstrInfo.h"
#include "ARMELFWriterInfo.h"
#include "ARMFrameLowering.h"
#include "ARMJITInfo.h"
#include "ARMSubtarget.h"
#include "ARMISelLowering.h"
#include "ARMSelectionDAGInfo.h"
#include "Thumb1InstrInfo.h"
#include "Thumb1FrameLowering.h"
#include "Thumb2InstrInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetData.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/ADT/OwningPtr.h"
namespace llvm {
class ARMBaseTargetMachine : public LLVMTargetMachine {
protected:
ARMSubtarget Subtarget;
private:
ARMJITInfo JITInfo;
InstrItineraryData InstrItins;
Reloc::Model DefRelocModel; // Reloc model before it's overridden.
public:
ARMBaseTargetMachine(const Target &T, const std::string &TT,
const std::string &CPU, const std::string &FS);
virtual ARMJITInfo *getJITInfo() { return &JITInfo; }
virtual const ARMSubtarget *getSubtargetImpl() const { return &Subtarget; }
virtual const InstrItineraryData *getInstrItineraryData() const {
return &InstrItins;
}
// Pass Pipeline Configuration
virtual bool addPreISel(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
virtual bool addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
virtual bool addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
virtual bool addPreSched2(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
virtual bool addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel);
virtual bool addCodeEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
JITCodeEmitter &MCE);
};
/// ARMTargetMachine - ARM target machine.
///
class ARMTargetMachine : public ARMBaseTargetMachine {
ARMInstrInfo InstrInfo;
const TargetData DataLayout; // Calculates type size & alignment
ARMELFWriterInfo ELFWriterInfo;
ARMTargetLowering TLInfo;
ARMSelectionDAGInfo TSInfo;
ARMFrameLowering FrameLowering;
public:
ARMTargetMachine(const Target &T, const std::string &TT,
const std::string &CPU, const std::string &FS);
virtual const ARMRegisterInfo *getRegisterInfo() const {
return &InstrInfo.getRegisterInfo();
}
virtual const ARMTargetLowering *getTargetLowering() const {
return &TLInfo;
}
virtual const ARMSelectionDAGInfo* getSelectionDAGInfo() const {
return &TSInfo;
}
virtual const ARMFrameLowering *getFrameLowering() const {
return &FrameLowering;
}
virtual const ARMInstrInfo *getInstrInfo() const { return &InstrInfo; }
virtual const TargetData *getTargetData() const { return &DataLayout; }
virtual const ARMELFWriterInfo *getELFWriterInfo() const {
return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
}
};
/// ThumbTargetMachine - Thumb target machine.
/// Due to the way architectures are handled, this represents both
/// Thumb-1 and Thumb-2.
///
class ThumbTargetMachine : public ARMBaseTargetMachine {
// Either Thumb1InstrInfo or Thumb2InstrInfo.
OwningPtr<ARMBaseInstrInfo> InstrInfo;
const TargetData DataLayout; // Calculates type size & alignment
ARMELFWriterInfo ELFWriterInfo;
ARMTargetLowering TLInfo;
ARMSelectionDAGInfo TSInfo;
// Either Thumb1FrameLowering or ARMFrameLowering.
OwningPtr<ARMFrameLowering> FrameLowering;
public:
ThumbTargetMachine(const Target &T, const std::string &TT,
const std::string &CPU, const std::string &FS);
/// returns either Thumb1RegisterInfo or Thumb2RegisterInfo
virtual const ARMBaseRegisterInfo *getRegisterInfo() const {
return &InstrInfo->getRegisterInfo();
}
virtual const ARMTargetLowering *getTargetLowering() const {
return &TLInfo;
}
virtual const ARMSelectionDAGInfo *getSelectionDAGInfo() const {
return &TSInfo;
}
/// returns either Thumb1InstrInfo or Thumb2InstrInfo
virtual const ARMBaseInstrInfo *getInstrInfo() const {
return InstrInfo.get();
}
/// returns either Thumb1FrameLowering or ARMFrameLowering
virtual const ARMFrameLowering *getFrameLowering() const {
return FrameLowering.get();
}
virtual const TargetData *getTargetData() const { return &DataLayout; }
virtual const ARMELFWriterInfo *getELFWriterInfo() const {
return Subtarget.isTargetELF() ? &ELFWriterInfo : 0;
}
};
} // end namespace llvm
#endif
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