lib/Target/CellSPU/SPUHazardRecognizers.h

   1 //===-- SPUHazardRecognizers.h - Cell SPU Hazard Recognizer -----*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file defines hazard recognizers for scheduling on the Cell SPU
  11 // processor.
  12 //
  13 //===----------------------------------------------------------------------===//
  14
  15 #ifndef SPUHAZRECS_H
  16 #define SPUHAZRECS_H
  17
  18 #include "llvm/CodeGen/ScheduleHazardRecognizer.h"
  19
  20 namespace llvm {
  21
  22 class TargetInstrInfo;
  23
  24 /// SPUHazardRecognizer
  25 class SPUHazardRecognizer : public ScheduleHazardRecognizer
  26 {
  27 private:
  28   const TargetInstrInfo &TII;
  29   int EvenOdd;
  30
  31 public:
  32   SPUHazardRecognizer(const TargetInstrInfo &TII);
  33   virtual HazardType getHazardType(SUnit *SU, int Stalls);
  34   virtual void EmitInstruction(SUnit *SU);
  35   virtual void AdvanceCycle();
  36   virtual void EmitNoop();
  37 };
  38
  39 } // end namespace llvm
  40
  41 #endif