1 //===-- LatencyBenchmarkRunner.h --------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 /// 9 /// \file 10 /// A BenchmarkRunner implementation to measure instruction latencies. 11 /// 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_TOOLS_LLVM_EXEGESIS_LATENCY_H 15 #define LLVM_TOOLS_LLVM_EXEGESIS_LATENCY_H 16 17 #include "BenchmarkRunner.h" 18 #include "Target.h" 19 20 namespace llvm { 21 namespace exegesis { 22 23 class LatencyBenchmarkRunner : public BenchmarkRunner { 24 public: 25 LatencyBenchmarkRunner(const LLVMState &State, Benchmark::ModeE Mode, 26 BenchmarkPhaseSelectorE BenchmarkPhaseSelector, 27 Benchmark::ResultAggregationModeE ResultAggMode, 28 ExecutionModeE ExecutionMode, 29 ArrayRef<ValidationEvent> ValCounters, 30 unsigned BenchmarkRepeatCount); 31 ~LatencyBenchmarkRunner() override; 32 33 private: 34 Expected<std::vector<BenchmarkMeasure>> 35 runMeasurements(const FunctionExecutor &Executor) const override; 36 37 Benchmark::ResultAggregationModeE ResultAggMode; 38 unsigned NumMeasurements; 39 }; 40 } // namespace exegesis 41 } // namespace llvm 42 43 #endif // LLVM_TOOLS_LLVM_EXEGESIS_LATENCY_H 44