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
20namespace llvm {
21
22class TargetInstrInfo;
23
24/// SPUHazardRecognizer
25class SPUHazardRecognizer : public ScheduleHazardRecognizer
26{
27private:
28  const TargetInstrInfo &TII;
29  int EvenOdd;
30
31public:
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