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# -*- Python -*-
# Configuration file for 'lit' test runner.
# This file contains common config setup rules for unit tests in various
# compiler-rt testsuites.
import os
import lit.formats
# Copied from libcxx's config.py
def get_lit_conf(name, default=None):
# Allow overriding on the command line using --param=<name>=<val>
val = lit_config.params.get(name, None)
if val is None:
val = getattr(config, name, None)
if val is None:
val = default
return val
emulator = get_lit_conf('emulator', None)
# Setup test format
llvm_build_mode = getattr(config, "llvm_build_mode", "Debug")
config.test_format = lit.formats.GoogleTest(llvm_build_mode, "Test", emulator)
# Setup test suffixes.
config.suffixes = []
# Tweak PATH to include llvm tools dir.
llvm_tools_dir = config.llvm_tools_dir
if (not llvm_tools_dir) or (not os.path.exists(llvm_tools_dir)):
lit_config.fatal("Invalid llvm_tools_dir config attribute: %r" % llvm_tools_dir)
path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
config.environment['PATH'] = path
# Propagate the temp directory. Windows requires this because it uses \Windows\
# if none of these are present.
if 'TMP' in os.environ:
config.environment['TMP'] = os.environ['TMP']
if 'TEMP' in os.environ:
config.environment['TEMP'] = os.environ['TEMP']
if config.host_os == 'Darwin':
# Only run up to 3 processes that require shadow memory simultaneously on
# 64-bit Darwin. Using more scales badly and hogs the system due to
# inefficient handling of large mmap'd regions (terabytes) by the kernel.
lit_config.parallelism_groups["shadow-memory"] = 3
# The test config gets pickled and sent to multiprocessing workers, and that
# only works for code if it is stored at the top level of some module.
# Therefore, we have to put the code in a .py file, add it to path, and import
# it to store it in the config.
import site
site.addsitedir(os.path.dirname(__file__))
import lit_unittest_cfg_utils
config.darwin_sanitizer_parallelism_group_func = \
lit_unittest_cfg_utils.darwin_sanitizer_parallelism_group_func
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