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b2d2494731
This patch fixes warnings and errors that come up when running the benchmarks as part of the test suite. It also adds the necessary Lit annotations to make it pass in various configurations and increases the portability of the benchmarks.
39 lines
1.1 KiB
C++
39 lines
1.1 KiB
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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// UNSUPPORTED: c++03, c++11, c++14, c++17
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#include <format>
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#include <string>
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#include "benchmark/benchmark.h"
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#include "make_string.h"
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#include "test_macros.h"
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#define CSTR(S) MAKE_CSTRING(CharT, S)
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template <class CharT>
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static void BM_format_string(benchmark::State& state) {
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size_t size = state.range(0);
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std::basic_string<CharT> str(size, CharT('*'));
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while (state.KeepRunningBatch(str.size())) {
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std::basic_string<CharT> s = std::format(CSTR("{}"), str);
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benchmark::DoNotOptimize(s);
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}
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state.SetBytesProcessed(state.iterations() * size * sizeof(CharT));
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}
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BENCHMARK(BM_format_string<char>)->RangeMultiplier(2)->Range(1, 1 << 20);
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#ifndef TEST_HAS_NO_WIDE_CHARACTERS
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BENCHMARK(BM_format_string<wchar_t>)->RangeMultiplier(2)->Range(1, 1 << 20);
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#endif
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BENCHMARK_MAIN();
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