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//===-- Thumb2HazardRecognizer.h - Thumb2 Hazard Recognizers ----*- 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 Thumb2 functions on
// ARM processors.
//
//===----------------------------------------------------------------------===//
#ifndef THUMB2HAZARDRECOGNIZER_H
#define THUMB2HAZARDRECOGNIZER_H
#include "llvm/CodeGen/PostRAHazardRecognizer.h"
namespace llvm {
class MachineInstr;
class Thumb2HazardRecognizer : public PostRAHazardRecognizer {
unsigned ITBlockSize; // No. of MIs in current IT block yet to be scheduled.
MachineInstr *ITBlockMIs[4];
public:
Thumb2HazardRecognizer(const InstrItineraryData *ItinData) :
PostRAHazardRecognizer(ItinData) {}
virtual HazardType getHazardType(SUnit *SU);
virtual void Reset();
virtual void EmitInstruction(SUnit *SU);
};
} // end namespace llvm
#endif // THUMB2HAZARDRECOGNIZER_H
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