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llvm-mirror/lib/Target/CellSPU/SPUHazardRecognizers.h
Dan Gohman 3e0dcbbd15 Generalize the HazardRecognizer interface so that it can be used
to support MachineInstr-based scheduling in addition to
SDNode-based scheduling.

llvm-svn: 62284
2009-01-15 22:18:12 +00:00

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1.0 KiB
C++

//===-- SPUHazardRecognizers.h - Cell SPU Hazard Recognizer -----*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines hazard recognizers for scheduling on the Cell SPU
// processor.
//
//===----------------------------------------------------------------------===//
#ifndef SPUHAZRECS_H
#define SPUHAZRECS_H
#include "llvm/CodeGen/ScheduleHazardRecognizer.h"
namespace llvm {
class TargetInstrInfo;
/// SPUHazardRecognizer
class SPUHazardRecognizer : public ScheduleHazardRecognizer
{
private:
const TargetInstrInfo &TII;
int EvenOdd;
public:
SPUHazardRecognizer(const TargetInstrInfo &TII);
virtual HazardType getHazardType(SUnit *SU);
virtual void EmitInstruction(SUnit *SU);
virtual void AdvanceCycle();
virtual void EmitNoop();
};
} // end namespace llvm
#endif