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 42
