| # -*- 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', '.i', '.cppm', '.m', '.mm', '.cu', '.hip', |
| '.ll', '.cl', '.clcpp', '.s', '.S', '.modulemap', '.test', '.rs', '.ifs', '.rc'] |
| |
| # 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')) |
| |
| config.substitutions.append( |
| ('%target_triple', config.target_triple)) |
| |
| # 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 = [ |
| 'apinotes-test', 'c-index-test', 'clang-diff', 'clang-format', 'clang-repl', |
| 'clang-tblgen', 'clang-scan-deps', 'opt', 'llvm-ifs', 'yaml2obj', |
| ToolSubst('%clang_extdef_map', command=FindTool( |
| 'clang-extdef-mapping'), unresolved='ignore'), |
| ] |
| |
| if config.clang_examples: |
| config.available_features.add('examples') |
| |
| def have_host_jit_support(): |
| clang_repl_exe = lit.util.which('clang-repl', config.clang_tools_dir) |
| |
| if not clang_repl_exe: |
| print('clang-repl not found') |
| return False |
| |
| try: |
| clang_repl_cmd = subprocess.Popen( |
| [clang_repl_exe, '--host-supports-jit'], stdout=subprocess.PIPE) |
| except OSError: |
| print('could not exec clang-repl') |
| return False |
| |
| clang_repl_out = clang_repl_cmd.stdout.read().decode('ascii') |
| clang_repl_cmd.wait() |
| |
| return 'true' in clang_repl_out |
| |
| if have_host_jit_support(): |
| config.available_features.add('host-supports-jit') |
| |
| if config.clang_staticanalyzer: |
| config.available_features.add('staticanalyzer') |
| tools.append('clang-check') |
| |
| if config.clang_staticanalyzer_z3 == '1': |
| config.available_features.add('z3') |
| |
| check_analyzer_fixit_path = os.path.join( |
| config.test_source_root, "Analysis", "check-analyzer-fixit.py") |
| config.substitutions.append( |
| ('%check_analyzer_fixit', |
| '"%s" %s' % (config.python_executable, check_analyzer_fixit_path))) |
| |
| 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')))) |
| |
| config.substitutions.append(('%host_cc', config.host_cc)) |
| config.substitutions.append(('%host_cxx', config.host_cxx)) |
| |
| |
| # Plugins (loadable modules) |
| if config.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') |
| |
| # 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') |
| |
| # Support for new pass manager. |
| if config.enable_experimental_new_pass_manager: |
| config.available_features.add('experimental-new-pass-manager') |
| |
| # 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') |
| |
| # Set on native MS environment. |
| if re.match(r'.*-(windows-msvc)$', config.target_triple): |
| config.available_features.add('ms-sdk') |
| |
| # [PR8833] LLP64-incompatible tests |
| if not re.match(r'^x86_64.*-(windows-msvc|windows-gnu)$', 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') |
| |
| # Tests that are specific to the Apple Silicon macOS. |
| if re.match(r'^arm64(e)?-apple-(macos|darwin)', config.target_triple): |
| config.available_features.add('apple-silicon-mac') |
| |
| # [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') |
| |
| # Features |
| known_arches = ["x86_64", "mips64", "ppc64", "aarch64"] |
| if (any(config.target_triple.startswith(x) for x in known_arches)): |
| config.available_features.add("clang-target-64-bits") |
| |
| |
| |
| 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') |
| |
| if config.enable_threads: |
| config.available_features.add('thread_support') |
| |
| # 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-' + str(macOSSDKVersion)) |
| |
| if os.path.exists('/etc/gentoo-release'): |
| config.available_features.add('gentoo') |
| |
| if config.enable_shared: |
| config.available_features.add("enable_shared") |
| |
| # Add a vendor-specific feature. |
| if config.clang_vendor_uti: |
| config.available_features.add('clang-vendor=' + config.clang_vendor_uti) |