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5aa03b648b
This commit does a pass of clang-format over files in libc++ that don't require major changes to conform to our style guide, or for which we're not overly concerned about conflicting with in-flight patches or hindering the git blame. This roughly covers: - benchmarks - range algorithms - concepts - type traits I did a manual verification of all the changes, and in particular I applied clang-format on/off annotations in a few places where the result was less readable after than before. This was not necessary in a lot of places, however I did find that clang-format had pretty bad taste when it comes to formatting concepts. Differential Revision: https://reviews.llvm.org/D153140
38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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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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#ifndef BENCHMARK_UTILITIES_H
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#define BENCHMARK_UTILITIES_H
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#include <cassert>
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#include <type_traits>
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#include "benchmark/benchmark.h"
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namespace UtilitiesInternal {
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template <class Container>
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auto HaveDataImpl(int) -> decltype((std::declval<Container&>().data(), std::true_type{}));
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template <class Container>
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auto HaveDataImpl(long) -> std::false_type;
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template <class T>
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using HasData = decltype(HaveDataImpl<T>(0));
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} // namespace UtilitiesInternal
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template <class Container, std::enable_if_t<UtilitiesInternal::HasData<Container>::value>* = nullptr>
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void DoNotOptimizeData(Container& c) {
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benchmark::DoNotOptimize(c.data());
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}
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template <class Container, std::enable_if_t<!UtilitiesInternal::HasData<Container>::value>* = nullptr>
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void DoNotOptimizeData(Container& c) {
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benchmark::DoNotOptimize(&c);
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}
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#endif // BENCHMARK_UTILITIES_H
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