llvm-project

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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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#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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#define CSTR(S) MAKE_CSTRING(CharT, S)
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template <class CharT>
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static void BM_formatted_size_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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    benchmark::DoNotOptimize(std::formatted_size(CSTR("{}"), str));
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  state.SetBytesProcessed(state.iterations() * size * sizeof(CharT));
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}
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BENCHMARK_TEMPLATE(BM_formatted_size_string, char)->RangeMultiplier(2)->Range(1, 1 << 20);
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BENCHMARK_TEMPLATE(BM_formatted_size_string, wchar_t)->RangeMultiplier(2)->Range(1, 1 << 20);
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int main(int argc, char** argv) {
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  benchmark::Initialize(&argc, argv);
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  if (benchmark::ReportUnrecognizedArguments(argc, argv))
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    return 1;
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  benchmark::RunSpecifiedBenchmarks();
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}
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