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# -*- Python -*-
import os
import platform
import sys
import lit.formats
from lit.llvm import llvm_config
# Configuration file for the 'lit' test runner.
# name: The name of this test suite.
config.name = 'lit'
# testFormat: The test format to use to interpret tests.
config.test_format = lit.formats.ShTest(execute_external=False)
# suffixes: A list of file extensions to treat as test files.
config.suffixes = ['.py']
# excludes: A list of individual files to exclude.
config.excludes = ['Inputs']
# test_source_root: The root path where tests are located.
config.test_source_root = os.path.dirname(__file__)
config.test_exec_root = config.test_source_root
config.target_triple = '(unused)'
llvm_src_root = getattr(config, 'llvm_src_root', None)
if llvm_src_root:
# ``test_source_root`` may be in LLVM's binary build directory which does not contain
# ``lit.py``, so use `llvm_src_root` instead.
lit_path = os.path.join(llvm_src_root, 'utils', 'lit')
else:
lit_path = os.path.join(config.test_source_root, '..')
# Required because some tests import the lit module
llvm_config.with_environment('PYTHONPATH', lit_path, append_path=True)
# Add llvm and lit tools directories if this config is being loaded indirectly.
for attribute in ('llvm_tools_dir', 'lit_tools_dir'):
directory = getattr(config, attribute, None)
if directory:
llvm_config.with_environment('PATH', directory, append_path=True)
# This test suite calls %{lit} to test lit's behavior for the sample test
# suites in %{inputs}. This test suite's results are then determined in part
# by %{lit}'s textual output, which includes the output of FileCheck calls
# within %{inputs}'s test suites. Thus, %{lit} clears environment variables
# that can affect FileCheck's output.
config.substitutions.append(('%{inputs}', os.path.join(
config.test_source_root, 'Inputs')))
config.substitutions.append(('%{lit}',
"{env} %{{python}} {lit}".format(
env="env -u FILECHECK_OPTS -u FILECHECK_DUMP_INPUT_ON_FAILURE",
lit=os.path.join(lit_path, 'lit.py'))))
config.substitutions.append(('%{python}', '"%s"' % (sys.executable)))
# Enable coverage.py reporting, assuming the coverage module has been installed
# and sitecustomize.py in the virtualenv has been modified appropriately.
if lit_config.params.get('check-coverage', None):
config.environment['COVERAGE_PROCESS_START'] = os.path.join(
os.path.dirname(__file__), ".coveragerc")
# Add a feature to detect if psutil is available
supported, errormsg = lit_config.maxIndividualTestTimeIsSupported
if supported:
config.available_features.add("lit-max-individual-test-time")
else:
lit_config.warning('Setting a timeout per test not supported. ' + errormsg
+ ' Some tests will be skipped and the --timeout'
' command line argument will not work.')
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