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       InstructionBenchmark::ResultAggregationModeE ResultAggMode);
27   ~LatencyBenchmarkRunner() override;
28 
29 private:
30   Expected<std::vector<BenchmarkMeasure>>
31   runMeasurements(const FunctionExecutor &Executor) const override;
32 
33   InstructionBenchmark::ResultAggregationModeE ResultAggMode;
34 };
35 } // namespace exegesis
36 } // namespace llvm
37 
38 #endif // LLVM_TOOLS_LLVM_EXEGESIS_LATENCY_H
39