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This patch pulls google/benchmark v1.4.1 into the LLVM tree so that any project could use it for benchmark generation. A dummy benchmark is added to `llvm/benchmarks/DummyYAML.cpp` to validate the correctness of the build process. The current version does not utilize LLVM LNT and LLVM CMake infrastructure, but that might be sufficient for most users. Two introduced CMake variables: * `LLVM_INCLUDE_BENCHMARKS` (`ON` by default) generates benchmark targets * `LLVM_BUILD_BENCHMARKS` (`OFF` by default) adds generated benchmark targets to the list of default LLVM targets (i.e. if `ON` benchmarks will be built upon standard build invocation, e.g. `ninja` or `make` with no specific targets) List of modifications: * `BENCHMARK_ENABLE_TESTING` is disabled * `BENCHMARK_ENABLE_EXCEPTIONS` is disabled * `BENCHMARK_ENABLE_INSTALL` is disabled * `BENCHMARK_ENABLE_GTEST_TESTS` is disabled * `BENCHMARK_DOWNLOAD_DEPENDENCIES` is disabled Original discussion can be found here: http://lists.llvm.org/pipermail/llvm-dev/2018-August/125023.html Reviewed by: dberris, lebedev.ri Subscribers: ilya-biryukov, ioeric, EricWF, lebedev.ri, srhines, dschuff, mgorny, krytarowski, fedor.sergeev, mgrang, jfb, llvm-commits Differential Revision: https://reviews.llvm.org/D50894 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@340809 91177308-0d34-0410-b5e6-96231b3b80d8
41 lines
1002 B
C++
41 lines
1002 B
C++
#ifndef BENCHMARK_STRING_UTIL_H_
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#define BENCHMARK_STRING_UTIL_H_
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#include <sstream>
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#include <string>
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#include <utility>
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#include "internal_macros.h"
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namespace benchmark {
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void AppendHumanReadable(int n, std::string* str);
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std::string HumanReadableNumber(double n, double one_k = 1024.0);
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std::string StrFormat(const char* format, ...);
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inline std::ostream& StrCatImp(std::ostream& out) BENCHMARK_NOEXCEPT {
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return out;
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}
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template <class First, class... Rest>
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inline std::ostream& StrCatImp(std::ostream& out, First&& f,
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Rest&&... rest) {
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out << std::forward<First>(f);
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return StrCatImp(out, std::forward<Rest>(rest)...);
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}
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template <class... Args>
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inline std::string StrCat(Args&&... args) {
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std::ostringstream ss;
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StrCatImp(ss, std::forward<Args>(args)...);
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return ss.str();
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}
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void ReplaceAll(std::string* str, const std::string& from,
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const std::string& to);
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} // end namespace benchmark
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#endif // BENCHMARK_STRING_UTIL_H_
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