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//===-- Latency.h -----------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
///
/// \file
/// A BenchmarkRunner implementation to measure instruction latencies.
///
//===----------------------------------------------------------------------===//
#ifndef LLVM_TOOLS_LLVM_EXEGESIS_LATENCY_H
#define LLVM_TOOLS_LLVM_EXEGESIS_LATENCY_H
#include "BenchmarkRunner.h"
namespace exegesis {
class LatencyBenchmarkRunner : public BenchmarkRunner {
public:
~LatencyBenchmarkRunner() override;
private:
const char *getDisplayName() const override;
llvm::Expected<std::vector<llvm::MCInst>>
createCode(const LLVMState &State, unsigned OpcodeIndex,
unsigned NumRepetitions,
const JitFunctionContext &Context) const override;
std::vector<BenchmarkMeasure>
runMeasurements(const LLVMState &State, const JitFunction &Function,
unsigned NumRepetitions) const override;
};
} // namespace exegesis
#endif // LLVM_TOOLS_LLVM_EXEGESIS_LATENCY_H
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