| //===-- 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" |
| #include "MCInstrDescView.h" |
| #include "SnippetGenerator.h" |
| |
| namespace llvm { |
| namespace exegesis { |
| |
| class LatencySnippetGenerator : public SnippetGenerator { |
| public: |
| LatencySnippetGenerator(const LLVMState &State) : SnippetGenerator(State) {} |
| ~LatencySnippetGenerator() override; |
| |
| llvm::Expected<std::vector<CodeTemplate>> |
| generateCodeTemplates(const Instruction &Instr) const override; |
| }; |
| |
| class LatencyBenchmarkRunner : public BenchmarkRunner { |
| public: |
| LatencyBenchmarkRunner(const LLVMState &State) |
| : BenchmarkRunner(State, InstructionBenchmark::Latency) {} |
| ~LatencyBenchmarkRunner() override; |
| |
| private: |
| llvm::Expected<std::vector<BenchmarkMeasure>> |
| runMeasurements(const FunctionExecutor &Executor) const override; |
| }; |
| } // namespace exegesis |
| } // namespace llvm |
| |
| #endif // LLVM_TOOLS_LLVM_EXEGESIS_LATENCY_H |