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Rename cxx-benchmark-unittests target and convert to LIT.
This patch renames the cxx-benchmark-unittests to check-cxx-benchmarks and converts the target to use LIT in order to make the tests run faster and provide better output. In particular this runs each benchmark in a suite one by one, allowing more parallelism while ensuring output isn't garbage with multiple threads. Additionally, it adds the CMake flag '-DLIBCXX_BENCHMARK_TEST_ARGS=<list>' to specify what options are passed when running the benchmarks. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@346888 91177308-0d34-0410-b5e6-96231b3b80d8
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benchmarks/lit.cfg.py
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23
benchmarks/lit.cfg.py
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# -*- Python -*- vim: set ft=python ts=4 sw=4 expandtab tw=79:
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# Configuration file for the 'lit' test runner.
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import os
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import site
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site.addsitedir(os.path.join(os.path.dirname(os.path.dirname(__file__)), 'utils'))
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from libcxx.test.googlebenchmark import GoogleBenchmark
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# Tell pylint that we know config and lit_config exist somewhere.
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if 'PYLINT_IMPORT' in os.environ:
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config = object()
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lit_config = object()
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# name: The name of this test suite.
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config.name = 'libc++ benchmarks'
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config.suffixes = []
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config.test_exec_root = os.path.join(config.libcxx_obj_root, 'benchmarks')
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config.test_source_root = config.test_exec_root
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config.test_format = GoogleBenchmark(test_sub_dirs='.',
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test_suffix='.libcxx.out',
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benchmark_args=config.benchmark_args)
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