ARMHazardRecognizer.h [plain text]
#ifndef LLVM_LIB_TARGET_ARM_ARMHAZARDRECOGNIZER_H
#define LLVM_LIB_TARGET_ARM_ARMHAZARDRECOGNIZER_H
#include "llvm/CodeGen/ScoreboardHazardRecognizer.h"
namespace llvm {
class ARMBaseInstrInfo;
class ARMBaseRegisterInfo;
class ARMSubtarget;
class MachineInstr;
class ARMHazardRecognizer : public ScoreboardHazardRecognizer {
MachineInstr *LastMI;
unsigned FpMLxStalls;
public:
ARMHazardRecognizer(const InstrItineraryData *ItinData,
const ScheduleDAG *DAG)
: ScoreboardHazardRecognizer(ItinData, DAG, "post-RA-sched"),
LastMI(nullptr) {}
HazardType getHazardType(SUnit *SU, int Stalls) override;
void Reset() override;
void EmitInstruction(SUnit *SU) override;
void AdvanceCycle() override;
void RecedeCycle() override;
};
}
#endif