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# -*- Python -*-
import os
import platform
import re
import subprocess
import tempfile
import lit.formats
import lit.util
from lit.llvm import llvm_config
from lit.llvm.subst import ToolSubst
from lit.llvm.subst import FindTool
# Configuration file for the 'lit' test runner.
# name: The name of this test suite.
config.name = 'Clang'
# testFormat: The test format to use to interpret tests.
#
# For now we require '&&' between commands, until they get globally killed and
# the test runner updated.
config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell)
# suffixes: A list of file extensions to treat as test files.
config.suffixes = ['.c', '.cpp', '.cppm', '.m', '.mm', '.cu',
'.ll', '.cl', '.s', '.S', '.modulemap', '.test', '.rs']
# excludes: A list of directories to exclude from the testsuite. The 'Inputs'
# subdirectories contain auxiliary inputs for various tests in their parent
# directories.
config.excludes = ['Inputs', 'CMakeLists.txt', 'README.txt', 'LICENSE.txt', 'debuginfo-tests']
# test_source_root: The root path where tests are located.
config.test_source_root = os.path.dirname(__file__)
# test_exec_root: The root path where tests should be run.
config.test_exec_root = os.path.join(config.clang_obj_root, 'test')
llvm_config.use_default_substitutions()
llvm_config.use_clang()
config.substitutions.append(
('%src_include_dir', config.clang_src_dir + '/include'))
# Propagate path to symbolizer for ASan/MSan.
llvm_config.with_system_environment(
['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH'])
config.substitutions.append(('%PATH%', config.environment['PATH']))
# For each occurrence of a clang tool name, replace it with the full path to
# the build directory holding that tool. We explicitly specify the directories
# to search to ensure that we get the tools just built and not some random
# tools that might happen to be in the user's PATH.
tool_dirs = [config.clang_tools_dir, config.llvm_tools_dir]
tools = [
'c-index-test', 'clang-check', 'clang-diff', 'clang-format', 'clang-tblgen',
'opt',
ToolSubst('%clang_func_map', command=FindTool(
'clang-func-mapping'), unresolved='ignore'),
]
if config.clang_examples:
config.available_features.add('examples')
tools.append('clang-interpreter')
llvm_config.add_tool_substitutions(tools, tool_dirs)
config.substitutions.append(
('%hmaptool', "'%s' %s" % (config.python_executable,
os.path.join(config.clang_tools_dir, 'hmaptool'))))
# Plugins (loadable modules)
# TODO: This should be supplied by Makefile or autoconf.
if sys.platform in ['win32', 'cygwin']:
has_plugins = config.enable_shared
else:
has_plugins = True
if has_plugins and config.llvm_plugin_ext:
config.available_features.add('plugins')
# Set available features we allow tests to conditionalize on.
#
if config.clang_default_cxx_stdlib != '':
config.available_features.add('default-cxx-stdlib-set')
# Enabled/disabled features
if config.clang_staticanalyzer:
config.available_features.add('staticanalyzer')
if config.clang_staticanalyzer_z3 == '1':
config.available_features.add('z3')
# As of 2011.08, crash-recovery tests still do not pass on FreeBSD.
if platform.system() not in ['FreeBSD']:
config.available_features.add('crash-recovery')
# ANSI escape sequences in non-dumb terminal
if platform.system() not in ['Windows']:
config.available_features.add('ansi-escape-sequences')
# Capability to print utf8 to the terminal.
# Windows expects codepage, unless Wide API.
if platform.system() not in ['Windows']:
config.available_features.add('utf8-capable-terminal')
# Support for libgcc runtime. Used to rule out tests that require
# clang to run with -rtlib=libgcc.
if platform.system() not in ['Darwin', 'Fuchsia']:
config.available_features.add('libgcc')
# Case-insensitive file system
def is_filesystem_case_insensitive():
handle, path = tempfile.mkstemp(
prefix='case-test', dir=config.test_exec_root)
isInsensitive = os.path.exists(
os.path.join(
os.path.dirname(path),
os.path.basename(path).upper()
))
os.close(handle)
os.remove(path)
return isInsensitive
if is_filesystem_case_insensitive():
config.available_features.add('case-insensitive-filesystem')
# Tests that require the /dev/fd filesystem.
if os.path.exists('/dev/fd/0') and sys.platform not in ['cygwin']:
config.available_features.add('dev-fd-fs')
# Not set on native MS environment.
if not re.match(r'.*-(windows-msvc)$', config.target_triple):
config.available_features.add('non-ms-sdk')
# Not set on native PS4 environment.
if not re.match(r'.*-scei-ps4', config.target_triple):
config.available_features.add('non-ps4-sdk')
# [PR8833] LLP64-incompatible tests
if not re.match(r'^x86_64.*-(windows-msvc|windows-gnu)$', config.target_triple):
config.available_features.add('LP64')
# [PR12920] "clang-driver" -- set if gcc driver is not used.
if not re.match(r'.*-(cygwin)$', config.target_triple):
config.available_features.add('clang-driver')
# [PR18856] Depends to remove opened file. On win32, a file could be removed
# only if all handles were closed.
if platform.system() not in ['Windows']:
config.available_features.add('can-remove-opened-file')
def calculate_arch_features(arch_string):
features = []
for arch in arch_string.split():
features.append(arch.lower() + '-registered-target')
return features
llvm_config.feature_config(
[('--assertion-mode', {'ON': 'asserts'}),
('--cxxflags', {r'-D_GLIBCXX_DEBUG\b': 'libstdcxx-safe-mode'}),
('--targets-built', calculate_arch_features)
])
if lit.util.which('xmllint'):
config.available_features.add('xmllint')
if config.enable_backtrace:
config.available_features.add('backtrace')
# Check if we should allow outputs to console.
run_console_tests = int(lit_config.params.get('enable_console', '0'))
if run_console_tests != 0:
config.available_features.add('console')
lit.util.usePlatformSdkOnDarwin(config, lit_config)
macOSSDKVersion = lit.util.findPlatformSdkVersionOnMacOS(config, lit_config)
if macOSSDKVersion is not None:
config.available_features.add('macos-sdk-' + macOSSDKVersion)
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