#ifndef LLVM_CODEGEN_MULTIHAZARDRECOGNIZER_H
#define LLVM_CODEGEN_MULTIHAZARDRECOGNIZER_H
#include "llvm/ADT/SmallVector.h"
#include "llvm/CodeGen/ScheduleHazardRecognizer.h"
namespace llvm {
class MachineInstr;
class SUnit;
class MultiHazardRecognizer : public ScheduleHazardRecognizer {
SmallVector<std::unique_ptr<ScheduleHazardRecognizer>, 4> Recognizers;
public:
MultiHazardRecognizer() = default;
void AddHazardRecognizer(std::unique_ptr<ScheduleHazardRecognizer> &&);
bool atIssueLimit() const override;
HazardType getHazardType(SUnit *, int Stalls = 0) override;
void Reset() override;
void EmitInstruction(SUnit *) override;
void EmitInstruction(MachineInstr *) override;
unsigned PreEmitNoops(SUnit *) override;
unsigned PreEmitNoops(MachineInstr *) override;
bool ShouldPreferAnother(SUnit *) override;
void AdvanceCycle() override;
void RecedeCycle() override;
void EmitNoop() override;
};
}
#endif