llvm-6502/lib/Target/CellSPU/SPUTargetMachine.h

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//===-- SPUTargetMachine.h - Define TargetMachine for Cell SPU ----*- 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 CellSPU-specific subclass of TargetMachine.
//
//===----------------------------------------------------------------------===//
#ifndef SPU_TARGETMACHINE_H
#define SPU_TARGETMACHINE_H
#include "SPUSubtarget.h"
#include "SPUInstrInfo.h"
#include "SPUISelLowering.h"
#include "SPUFrameInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetData.h"
namespace llvm {
class PassManager;
class GlobalValue;
class TargetFrameInfo;
/// SPUTargetMachine
///
class SPUTargetMachine : public LLVMTargetMachine {
SPUSubtarget Subtarget;
const TargetData DataLayout;
SPUInstrInfo InstrInfo;
SPUFrameInfo FrameInfo;
SPUTargetLowering TLInfo;
InstrItineraryData InstrItins;
protected:
virtual const TargetAsmInfo *createTargetAsmInfo() const;
// To avoid having target depend on the asmprinter stuff libraries, asmprinter
// set this functions to ctor pointer at startup time if they are linked in.
typedef FunctionPass *(*AsmPrinterCtorFn)(raw_ostream &o,
SPUTargetMachine &tm,
bool verbose);
static AsmPrinterCtorFn AsmPrinterCtor;
public:
SPUTargetMachine(const Module &M, const std::string &FS);
/// Return the subtarget implementation object
virtual const SPUSubtarget *getSubtargetImpl() const {
return &Subtarget;
}
virtual const SPUInstrInfo *getInstrInfo() const {
return &InstrInfo;
}
virtual const SPUFrameInfo *getFrameInfo() const {
return &FrameInfo;
}
/*!
\note Cell SPU does not support JIT today. It could support JIT at some
point.
*/
virtual TargetJITInfo *getJITInfo() {
return NULL;
}
//! Module match function
/*!
Module matching function called by TargetMachineRegistry().
*/
static unsigned getModuleMatchQuality(const Module &M);
virtual SPUTargetLowering *getTargetLowering() const {
return const_cast<SPUTargetLowering*>(&TLInfo);
}
virtual const SPURegisterInfo *getRegisterInfo() const {
return &InstrInfo.getRegisterInfo();
}
virtual const TargetData *getTargetData() const {
return &DataLayout;
}
virtual const InstrItineraryData getInstrItineraryData() const {
return InstrItins;
}
// Pass Pipeline Configuration
virtual bool addInstSelector(PassManagerBase &PM,
CodeGenOpt::Level OptLevel);
virtual bool addAssemblyEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
bool Verbose, raw_ostream &Out);
static void registerAsmPrinter(AsmPrinterCtorFn F) {
AsmPrinterCtor = F;
}
};
} // end namespace llvm
#endif