forked from OSchip/llvm-project
231 lines
9.1 KiB
CMake
231 lines
9.1 KiB
CMake
if (CMAKE_VERSION VERSION_LESS 3.17)
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message(WARNING "The libc++ benchmarks won't be available because the version of CMake is too old to support them.")
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return()
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endif()
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include(ExternalProject)
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include(CheckCXXCompilerFlag)
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#==============================================================================
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# Build Google Benchmark for libc++
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#==============================================================================
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set(CMAKE_FOLDER "${CMAKE_FOLDER}/Benchmarks")
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set(BENCHMARK_LIBCXX_COMPILE_FLAGS
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-Wno-unused-command-line-argument
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-nostdinc++
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-isystem "${LIBCXX_GENERATED_INCLUDE_DIR}"
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-L${LIBCXX_LIBRARY_DIR}
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-Wl,-rpath,${LIBCXX_LIBRARY_DIR}
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${SANITIZER_FLAGS}
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)
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if(LLVM_ENABLE_PER_TARGET_RUNTIME_DIR AND NOT APPLE)
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list(APPEND BENCHMARK_LIBCXX_COMPILE_FLAGS
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-isystem "${LIBCXX_GENERATED_INCLUDE_TARGET_DIR}")
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endif()
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if (DEFINED LIBCXX_CXX_ABI_LIBRARY_PATH)
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list(APPEND BENCHMARK_LIBCXX_COMPILE_FLAGS
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-L${LIBCXX_CXX_ABI_LIBRARY_PATH}
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-Wl,-rpath,${LIBCXX_CXX_ABI_LIBRARY_PATH})
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endif()
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split_list(BENCHMARK_LIBCXX_COMPILE_FLAGS)
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ExternalProject_Add(google-benchmark-libcxx
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EXCLUDE_FROM_ALL ON
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DEPENDS cxx cxx-headers
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PREFIX benchmark-libcxx
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SOURCE_DIR ${LLVM_THIRD_PARTY_DIR}/benchmark
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INSTALL_DIR ${CMAKE_CURRENT_BINARY_DIR}/benchmark-libcxx
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CMAKE_CACHE_ARGS
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-DCMAKE_C_COMPILER:STRING=${CMAKE_C_COMPILER}
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-DCMAKE_CXX_COMPILER:STRING=${CMAKE_CXX_COMPILER}
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-DCMAKE_BUILD_TYPE:STRING=RELEASE
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-DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
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-DCMAKE_CXX_FLAGS:STRING=${BENCHMARK_LIBCXX_COMPILE_FLAGS}
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-DBENCHMARK_USE_LIBCXX:BOOL=ON
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-DBENCHMARK_ENABLE_TESTING:BOOL=OFF)
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#==============================================================================
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# Build Google Benchmark for the native stdlib
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#==============================================================================
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set(BENCHMARK_NATIVE_TARGET_FLAGS)
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if (LIBCXX_BENCHMARK_NATIVE_GCC_TOOLCHAIN)
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set(BENCHMARK_NATIVE_TARGET_FLAGS
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--gcc-toolchain=${LIBCXX_BENCHMARK_NATIVE_GCC_TOOLCHAIN})
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endif()
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split_list(BENCHMARK_NATIVE_TARGET_FLAGS)
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if (LIBCXX_BENCHMARK_NATIVE_STDLIB)
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ExternalProject_Add(google-benchmark-native
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EXCLUDE_FROM_ALL ON
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PREFIX benchmark-native
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SOURCE_DIR ${LLVM_THIRD_PARTY_DIR}/benchmark
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INSTALL_DIR ${CMAKE_CURRENT_BINARY_DIR}/benchmark-native
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CMAKE_CACHE_ARGS
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-DCMAKE_C_COMPILER:STRING=${CMAKE_C_COMPILER}
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-DCMAKE_CXX_COMPILER:STRING=${CMAKE_CXX_COMPILER}
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-DCMAKE_CXX_FLAGS:STRING=${BENCHMARK_NATIVE_TARGET_FLAGS}
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-DCMAKE_BUILD_TYPE:STRING=RELEASE
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-DCMAKE_INSTALL_PREFIX:PATH=<INSTALL_DIR>
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-DBENCHMARK_ENABLE_TESTING:BOOL=OFF)
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endif()
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#==============================================================================
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# Benchmark tests configuration
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#==============================================================================
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add_custom_target(cxx-benchmarks)
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set(BENCHMARK_OUTPUT_DIR ${CMAKE_CURRENT_BINARY_DIR})
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set(BENCHMARK_LIBCXX_INSTALL ${CMAKE_CURRENT_BINARY_DIR}/benchmark-libcxx)
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set(BENCHMARK_NATIVE_INSTALL ${CMAKE_CURRENT_BINARY_DIR}/benchmark-native)
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add_library( cxx-benchmarks-flags INTERFACE)
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target_compile_features( cxx-benchmarks-flags INTERFACE cxx_std_20)
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target_compile_options( cxx-benchmarks-flags INTERFACE -fsized-deallocation -nostdinc++)
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target_include_directories(cxx-benchmarks-flags INTERFACE "${LIBCXX_GENERATED_INCLUDE_DIR}"
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INTERFACE "${BENCHMARK_LIBCXX_INSTALL}/include"
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INTERFACE "${LIBCXX_SOURCE_DIR}/test/support")
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add_library( cxx-benchmarks-flags-native INTERFACE)
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target_link_libraries( cxx-benchmarks-flags-native INTERFACE cxx-benchmarks-flags)
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target_compile_options(cxx-benchmarks-flags-native INTERFACE ${BENCHMARK_NATIVE_TARGET_FLAGS})
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target_link_options( cxx-benchmarks-flags-native INTERFACE ${BENCHMARK_NATIVE_TARGET_FLAGS} "-L${BENCHMARK_NATIVE_INSTALL}/lib")
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if (LIBCXX_BENCHMARK_NATIVE_STDLIB STREQUAL "libstdc++")
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find_library(LIBSTDCXX_FILESYSTEM_TEST stdc++fs
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PATHS ${LIBCXX_BENCHMARK_NATIVE_GCC_TOOLCHAIN}
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PATH_SUFFIXES lib lib64
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DOC "The libstdc++ filesystem library used by the benchmarks"
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)
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if (LIBSTDCXX_FILESYSTEM_TEST)
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target_link_libraries(cxx-benchmarks-flags-native INTERFACE -lstdc++fs)
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endif()
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else()
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target_link_libraries(cxx-benchmarks-flags-native INTERFACE -lc++fs -lc++experimental)
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endif()
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add_library( cxx-benchmarks-flags-libcxx INTERFACE)
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target_link_libraries( cxx-benchmarks-flags-libcxx INTERFACE cxx-benchmarks-flags)
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target_compile_options(cxx-benchmarks-flags-libcxx INTERFACE ${SANITIZER_FLAGS} -Wno-user-defined-literals -Wno-suggest-override)
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target_link_options( cxx-benchmarks-flags-libcxx INTERFACE -nodefaultlibs "-L${BENCHMARK_LIBCXX_INSTALL}/lib" ${SANITIZER_FLAGS})
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set(libcxx_benchmark_targets)
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function(add_benchmark_test name source_file)
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set(libcxx_target ${name}_libcxx)
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list(APPEND libcxx_benchmark_targets ${libcxx_target})
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add_executable(${libcxx_target} EXCLUDE_FROM_ALL ${source_file})
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target_link_libraries(${libcxx_target} PRIVATE cxx-benchmarks-flags-libcxx)
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add_dependencies(${libcxx_target} cxx google-benchmark-libcxx)
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add_dependencies(cxx-benchmarks ${libcxx_target})
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if (LIBCXX_ENABLE_SHARED)
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target_link_libraries(${libcxx_target} PRIVATE cxx_shared)
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else()
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target_link_libraries(${libcxx_target} PRIVATE cxx_static)
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endif()
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target_link_libraries(${libcxx_target} PRIVATE cxx_experimental benchmark)
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if (LLVM_USE_SANITIZER)
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target_link_libraries(${libcxx_target} PRIVATE -ldl)
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endif()
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set_target_properties(${libcxx_target}
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PROPERTIES
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OUTPUT_NAME "${name}.libcxx.out"
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RUNTIME_OUTPUT_DIRECTORY "${BENCHMARK_OUTPUT_DIR}"
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CXX_EXTENSIONS NO)
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cxx_link_system_libraries(${libcxx_target})
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if (LIBCXX_BENCHMARK_NATIVE_STDLIB)
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set(native_target ${name}_native)
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add_executable(${native_target} EXCLUDE_FROM_ALL ${source_file})
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target_link_libraries(${native_target} PRIVATE cxx-benchmarks-flags-native)
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add_dependencies(${native_target} google-benchmark-native
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google-benchmark-libcxx)
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target_link_libraries(${native_target} PRIVATE -lbenchmark)
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if (LIBCXX_HAS_PTHREAD_LIB)
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target_link_libraries(${native_target} PRIVATE -pthread)
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endif()
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add_dependencies(cxx-benchmarks ${native_target})
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set_target_properties(${native_target}
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PROPERTIES
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OUTPUT_NAME "${name}.native.out"
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RUNTIME_OUTPUT_DIRECTORY "${BENCHMARK_OUTPUT_DIR}"
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CXX_EXTENSIONS NO)
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endif()
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endfunction()
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#==============================================================================
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# Register Benchmark tests
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#==============================================================================
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set(BENCHMARK_TESTS
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algorithms.partition_point.bench.cpp
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algorithms/lower_bound.bench.cpp
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algorithms/make_heap.bench.cpp
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algorithms/make_heap_then_sort_heap.bench.cpp
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algorithms/min_max_element.bench.cpp
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algorithms/pop_heap.bench.cpp
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algorithms/push_heap.bench.cpp
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algorithms/ranges_make_heap.bench.cpp
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algorithms/ranges_make_heap_then_sort_heap.bench.cpp
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algorithms/ranges_pop_heap.bench.cpp
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algorithms/ranges_push_heap.bench.cpp
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algorithms/ranges_sort.bench.cpp
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algorithms/ranges_sort_heap.bench.cpp
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algorithms/ranges_stable_sort.bench.cpp
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algorithms/sort.bench.cpp
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algorithms/sort_heap.bench.cpp
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algorithms/stable_sort.bench.cpp
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allocation.bench.cpp
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deque.bench.cpp
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filesystem.bench.cpp
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format_to_n.bench.cpp
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format_to.bench.cpp
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format.bench.cpp
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formatted_size.bench.cpp
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formatter_float.bench.cpp
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formatter_int.bench.cpp
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function.bench.cpp
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map.bench.cpp
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ordered_set.bench.cpp
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std_format_spec_string_unicode.bench.cpp
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string.bench.cpp
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stringstream.bench.cpp
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to_chars.bench.cpp
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unordered_set_operations.bench.cpp
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util_smartptr.bench.cpp
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variant_visit_1.bench.cpp
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variant_visit_2.bench.cpp
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variant_visit_3.bench.cpp
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vector_operations.bench.cpp
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)
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foreach(test_path ${BENCHMARK_TESTS})
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get_filename_component(test_file "${test_path}" NAME)
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string(REPLACE ".bench.cpp" "" test_name "${test_file}")
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if (NOT DEFINED ${test_name}_REPORTED)
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message(STATUS "Adding Benchmark: ${test_file}")
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# Only report the adding of the benchmark once.
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set(${test_name}_REPORTED ON CACHE INTERNAL "")
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endif()
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add_benchmark_test(${test_name} ${test_path})
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endforeach()
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if (LIBCXX_INCLUDE_TESTS)
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include(AddLLVM)
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if (NOT DEFINED LIBCXX_TEST_DEPS)
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message(FATAL_ERROR "Expected LIBCXX_TEST_DEPS to be defined")
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endif()
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configure_lit_site_cfg(
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${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.py.in
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${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg.py)
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set(BENCHMARK_LIT_ARGS "--show-all --show-xfail --show-unsupported ${LIT_ARGS_DEFAULT}")
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add_lit_target(check-cxx-benchmarks
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"Running libcxx benchmarks tests"
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${CMAKE_CURRENT_BINARY_DIR}
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DEPENDS cxx-benchmarks ${LIBCXX_TEST_DEPS}
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ARGS ${BENCHMARK_LIT_ARGS})
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endif()
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