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 19 namespace llvm { 20 namespace exegesis { 21 22 class LatencyBenchmarkRunner : public BenchmarkRunner { 23 public: 24 LatencyBenchmarkRunner( 25 const LLVMState &State, InstructionBenchmark::ModeE Mode, 26 BenchmarkPhaseSelectorE BenchmarkPhaseSelector, 27 InstructionBenchmark::ResultAggregationModeE ResultAggMode); 28 ~LatencyBenchmarkRunner() override; 29 30 private: 31 Expected<std::vector<BenchmarkMeasure>> 32 runMeasurements(const FunctionExecutor &Executor) const override; 33 34 InstructionBenchmark::ResultAggregationModeE ResultAggMode; 35 }; 36 } // namespace exegesis 37 } // namespace llvm 38 39 #endif // LLVM_TOOLS_LLVM_EXEGESIS_LATENCY_H 40