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llvm-mirror/utils/benchmark/test/CMakeLists.txt
Kirill Bobyrev 0f55045526 Pull google/benchmark library to the LLVM tree 
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

llvm-svn: 340809
2018-08-28 09:42:41 +00:00

248 lines
9.2 KiB
CMake
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# Enable the tests
find_package(Threads REQUIRED)
include(CheckCXXCompilerFlag)
# NOTE: Some tests use `<cassert>` to perform the test. Therefore we must
# strip -DNDEBUG from the default CMake flags in DEBUG mode.
string(TOUPPER "${CMAKE_BUILD_TYPE}" uppercase_CMAKE_BUILD_TYPE)
if( NOT uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG" )
add_definitions( -UNDEBUG )
add_definitions(-DTEST_BENCHMARK_LIBRARY_HAS_NO_ASSERTIONS)
# Also remove /D NDEBUG to avoid MSVC warnings about conflicting defines.
foreach (flags_var_to_scrub
CMAKE_CXX_FLAGS_RELEASE
CMAKE_CXX_FLAGS_RELWITHDEBINFO
CMAKE_CXX_FLAGS_MINSIZEREL
CMAKE_C_FLAGS_RELEASE
CMAKE_C_FLAGS_RELWITHDEBINFO
CMAKE_C_FLAGS_MINSIZEREL)
string (REGEX REPLACE "(^| )[/-]D *NDEBUG($| )" " "
"${flags_var_to_scrub}" "${${flags_var_to_scrub}}")
endforeach()
endif()
check_cxx_compiler_flag(-O3 BENCHMARK_HAS_O3_FLAG)
set(BENCHMARK_O3_FLAG "")
if (BENCHMARK_HAS_O3_FLAG)
set(BENCHMARK_O3_FLAG "-O3")
endif()
# NOTE: These flags must be added after find_package(Threads REQUIRED) otherwise
# they will break the configuration check.
if (DEFINED BENCHMARK_CXX_LINKER_FLAGS)
list(APPEND CMAKE_EXE_LINKER_FLAGS ${BENCHMARK_CXX_LINKER_FLAGS})
endif()
add_library(output_test_helper STATIC output_test_helper.cc output_test.h)
macro(compile_benchmark_test name)
add_executable(${name} "${name}.cc")
target_link_libraries(${name} benchmark ${CMAKE_THREAD_LIBS_INIT})
endmacro(compile_benchmark_test)
macro(compile_benchmark_test_with_main name)
add_executable(${name} "${name}.cc")
target_link_libraries(${name} benchmark_main)
endmacro(compile_benchmark_test_with_main)
macro(compile_output_test name)
add_executable(${name} "${name}.cc" output_test.h)
target_link_libraries(${name} output_test_helper benchmark
${BENCHMARK_CXX_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
endmacro(compile_output_test)
# Demonstration executable
compile_benchmark_test(benchmark_test)
add_test(benchmark benchmark_test --benchmark_min_time=0.01)
compile_benchmark_test(filter_test)
macro(add_filter_test name filter expect)
add_test(${name} filter_test --benchmark_min_time=0.01 --benchmark_filter=${filter} ${expect})
add_test(${name}_list_only filter_test --benchmark_list_tests --benchmark_filter=${filter} ${expect})
endmacro(add_filter_test)
add_filter_test(filter_simple "Foo" 3)
add_filter_test(filter_simple_negative "-Foo" 2)
add_filter_test(filter_suffix "BM_.*" 4)
add_filter_test(filter_suffix_negative "-BM_.*" 1)
add_filter_test(filter_regex_all ".*" 5)
add_filter_test(filter_regex_all_negative "-.*" 0)
add_filter_test(filter_regex_blank "" 5)
add_filter_test(filter_regex_blank_negative "-" 0)
add_filter_test(filter_regex_none "monkey" 0)
add_filter_test(filter_regex_none_negative "-monkey" 5)
add_filter_test(filter_regex_wildcard ".*Foo.*" 3)
add_filter_test(filter_regex_wildcard_negative "-.*Foo.*" 2)
add_filter_test(filter_regex_begin "^BM_.*" 4)
add_filter_test(filter_regex_begin_negative "-^BM_.*" 1)
add_filter_test(filter_regex_begin2 "^N" 1)
add_filter_test(filter_regex_begin2_negative "-^N" 4)
add_filter_test(filter_regex_end ".*Ba$" 1)
add_filter_test(filter_regex_end_negative "-.*Ba$" 4)
compile_benchmark_test(options_test)
add_test(options_benchmarks options_test --benchmark_min_time=0.01)
compile_benchmark_test(basic_test)
add_test(basic_benchmark basic_test --benchmark_min_time=0.01)
compile_benchmark_test(diagnostics_test)
add_test(diagnostics_test diagnostics_test --benchmark_min_time=0.01)
compile_benchmark_test(skip_with_error_test)
add_test(skip_with_error_test skip_with_error_test --benchmark_min_time=0.01)
compile_benchmark_test(donotoptimize_test)
# Some of the issues with DoNotOptimize only occur when optimization is enabled
check_cxx_compiler_flag(-O3 BENCHMARK_HAS_O3_FLAG)
if (BENCHMARK_HAS_O3_FLAG)
set_target_properties(donotoptimize_test PROPERTIES COMPILE_FLAGS "-O3")
endif()
add_test(donotoptimize_test donotoptimize_test --benchmark_min_time=0.01)
compile_benchmark_test(fixture_test)
add_test(fixture_test fixture_test --benchmark_min_time=0.01)
compile_benchmark_test(register_benchmark_test)
add_test(register_benchmark_test register_benchmark_test --benchmark_min_time=0.01)
compile_benchmark_test(map_test)
add_test(map_test map_test --benchmark_min_time=0.01)
compile_benchmark_test(multiple_ranges_test)
add_test(multiple_ranges_test multiple_ranges_test --benchmark_min_time=0.01)
compile_benchmark_test_with_main(link_main_test)
add_test(link_main_test link_main_test --benchmark_min_time=0.01)
compile_output_test(reporter_output_test)
add_test(reporter_output_test reporter_output_test --benchmark_min_time=0.01)
compile_output_test(templated_fixture_test)
add_test(templated_fixture_test templated_fixture_test --benchmark_min_time=0.01)
compile_output_test(user_counters_test)
add_test(user_counters_test user_counters_test --benchmark_min_time=0.01)
compile_output_test(user_counters_tabular_test)
add_test(user_counters_tabular_test user_counters_tabular_test --benchmark_counters_tabular=true --benchmark_min_time=0.01)
check_cxx_compiler_flag(-std=c++03 BENCHMARK_HAS_CXX03_FLAG)
if (BENCHMARK_HAS_CXX03_FLAG)
compile_benchmark_test(cxx03_test)
set_target_properties(cxx03_test
PROPERTIES
COMPILE_FLAGS "-std=c++03")
# libstdc++ provides different definitions within <map> between dialects. When
# LTO is enabled and -Werror is specified GCC diagnoses this ODR violation
# causing the test to fail to compile. To prevent this we explicitly disable
# the warning.
check_cxx_compiler_flag(-Wno-odr BENCHMARK_HAS_WNO_ODR)
if (BENCHMARK_ENABLE_LTO AND BENCHMARK_HAS_WNO_ODR)
set_target_properties(cxx03_test
PROPERTIES
LINK_FLAGS "-Wno-odr")
endif()
add_test(cxx03 cxx03_test --benchmark_min_time=0.01)
endif()
# Attempt to work around flaky test failures when running on Appveyor servers.
if (DEFINED ENV{APPVEYOR})
set(COMPLEXITY_MIN_TIME "0.5")
else()
set(COMPLEXITY_MIN_TIME "0.01")
endif()
compile_output_test(complexity_test)
add_test(complexity_benchmark complexity_test --benchmark_min_time=${COMPLEXITY_MIN_TIME})
###############################################################################
# GoogleTest Unit Tests
###############################################################################
if (BENCHMARK_ENABLE_GTEST_TESTS)
macro(compile_gtest name)
add_executable(${name} "${name}.cc")
if (TARGET googletest)
add_dependencies(${name} googletest)
endif()
if (GTEST_INCLUDE_DIRS)
target_include_directories(${name} PRIVATE ${GTEST_INCLUDE_DIRS})
endif()
target_link_libraries(${name} benchmark
${GTEST_BOTH_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT})
endmacro(compile_gtest)
macro(add_gtest name)
compile_gtest(${name})
add_test(${name} ${name})
endmacro()
add_gtest(benchmark_gtest)
add_gtest(statistics_gtest)
endif(BENCHMARK_ENABLE_GTEST_TESTS)
###############################################################################
# Assembly Unit Tests
###############################################################################
if (BENCHMARK_ENABLE_ASSEMBLY_TESTS)
if (NOT LLVM_FILECHECK_EXE)
message(FATAL_ERROR "LLVM FileCheck is required when including this file")
endif()
include(AssemblyTests.cmake)
add_filecheck_test(donotoptimize_assembly_test)
add_filecheck_test(state_assembly_test)
add_filecheck_test(clobber_memory_assembly_test)
endif()
###############################################################################
# Code Coverage Configuration
###############################################################################
# Add the coverage command(s)
if(CMAKE_BUILD_TYPE)
string(TOLOWER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_LOWER)
endif()
if (${CMAKE_BUILD_TYPE_LOWER} MATCHES "coverage")
find_program(GCOV gcov)
find_program(LCOV lcov)
find_program(GENHTML genhtml)
find_program(CTEST ctest)
if (GCOV AND LCOV AND GENHTML AND CTEST AND HAVE_CXX_FLAG_COVERAGE)
add_custom_command(
OUTPUT ${CMAKE_BINARY_DIR}/lcov/index.html
COMMAND ${LCOV} -q -z -d .
COMMAND ${LCOV} -q --no-external -c -b "${CMAKE_SOURCE_DIR}" -d . -o before.lcov -i
COMMAND ${CTEST} --force-new-ctest-process
COMMAND ${LCOV} -q --no-external -c -b "${CMAKE_SOURCE_DIR}" -d . -o after.lcov
COMMAND ${LCOV} -q -a before.lcov -a after.lcov --output-file final.lcov
COMMAND ${LCOV} -q -r final.lcov "'${CMAKE_SOURCE_DIR}/test/*'" -o final.lcov
COMMAND ${GENHTML} final.lcov -o lcov --demangle-cpp --sort -p "${CMAKE_BINARY_DIR}" -t benchmark
DEPENDS filter_test benchmark_test options_test basic_test fixture_test cxx03_test complexity_test
WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
COMMENT "Running LCOV"
)
add_custom_target(coverage
DEPENDS ${CMAKE_BINARY_DIR}/lcov/index.html
COMMENT "LCOV report at lcov/index.html"
)
message(STATUS "Coverage command added")
else()
if (HAVE_CXX_FLAG_COVERAGE)
set(CXX_FLAG_COVERAGE_MESSAGE supported)
else()
set(CXX_FLAG_COVERAGE_MESSAGE unavailable)
endif()
message(WARNING
"Coverage not available:\n"
" gcov: ${GCOV}\n"
" lcov: ${LCOV}\n"
" genhtml: ${GENHTML}\n"
" ctest: ${CTEST}\n"
" --coverage flag: ${CXX_FLAG_COVERAGE_MESSAGE}")
endif()
endif()
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