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359f23868e
Summary: This just uses the latency benchmark runner on the parallel uops snippet generator. Fixes PR37698. Reviewers: gchatelet Subscribers: tschuett, RKSimon, llvm-commits Differential Revision: https://reviews.llvm.org/D57000 llvm-svn: 352632
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
//===-- Latency.h -----------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// A BenchmarkRunner implementation to measure instruction latencies.
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///
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TOOLS_LLVM_EXEGESIS_LATENCY_H
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#define LLVM_TOOLS_LLVM_EXEGESIS_LATENCY_H
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#include "BenchmarkRunner.h"
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#include "MCInstrDescView.h"
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#include "SnippetGenerator.h"
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namespace llvm {
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namespace exegesis {
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class LatencySnippetGenerator : public SnippetGenerator {
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public:
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LatencySnippetGenerator(const LLVMState &State) : SnippetGenerator(State) {}
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~LatencySnippetGenerator() override;
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llvm::Expected<std::vector<CodeTemplate>>
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generateCodeTemplates(const Instruction &Instr) const override;
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};
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class LatencyBenchmarkRunner : public BenchmarkRunner {
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public:
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LatencyBenchmarkRunner(const LLVMState &State,
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InstructionBenchmark::ModeE Mode);
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~LatencyBenchmarkRunner() override;
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private:
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llvm::Expected<std::vector<BenchmarkMeasure>>
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runMeasurements(const FunctionExecutor &Executor) const override;
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};
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} // namespace exegesis
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} // namespace llvm
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#endif // LLVM_TOOLS_LLVM_EXEGESIS_LATENCY_H
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