59 lines
2 KiB
Python
59 lines
2 KiB
Python
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# -*- Python -*-
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# Configuration file for 'lit' test runner.
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# This file contains common config setup rules for unit tests in various
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# compiler-rt testsuites.
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import os
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import lit.formats
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# Copied from libcxx's config.py
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def get_lit_conf(name, default=None):
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# Allow overriding on the command line using --param=<name>=<val>
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val = lit_config.params.get(name, None)
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if val is None:
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val = getattr(config, name, None)
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if val is None:
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val = default
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return val
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emulator = get_lit_conf("emulator", None)
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# Setup test format
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llvm_build_mode = getattr(config, "llvm_build_mode", "Debug")
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config.test_format = lit.formats.GoogleTest(llvm_build_mode, "Test", emulator)
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# Setup test suffixes.
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config.suffixes = []
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# Tweak PATH to include llvm tools dir.
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llvm_tools_dir = config.llvm_tools_dir
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if (not llvm_tools_dir) or (not os.path.exists(llvm_tools_dir)):
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lit_config.fatal("Invalid llvm_tools_dir config attribute: %r" % llvm_tools_dir)
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path = os.path.pathsep.join((llvm_tools_dir, config.environment["PATH"]))
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config.environment["PATH"] = path
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# Propagate the temp directory. Windows requires this because it uses \Windows\
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# if none of these are present.
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if "TMP" in os.environ:
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config.environment["TMP"] = os.environ["TMP"]
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if "TEMP" in os.environ:
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config.environment["TEMP"] = os.environ["TEMP"]
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if config.host_os == "Darwin":
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# Only run up to 3 processes that require shadow memory simultaneously on
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# 64-bit Darwin. Using more scales badly and hogs the system due to
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# inefficient handling of large mmap'd regions (terabytes) by the kernel.
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lit_config.parallelism_groups["shadow-memory"] = 3
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# Disable libmalloc nano allocator due to crashes running on macOS 12.0.
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# rdar://80086125
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config.environment["MallocNanoZone"] = "0"
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# We crash when we set DYLD_INSERT_LIBRARIES for unit tests, so interceptors
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# don't work.
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config.environment["ASAN_OPTIONS"] = "verify_interceptors=0"
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config.environment["TSAN_OPTIONS"] = "verify_interceptors=0"
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