| 1 | # -*- Python -*- |
| 2 | |
| 3 | import os |
| 4 | import platform |
| 5 | import re |
| 6 | import subprocess |
| 7 | import tempfile |
| 8 | |
| 9 | import lit.formats |
| 10 | import lit.util |
| 11 | |
| 12 | from lit.llvm import llvm_config |
| 13 | from lit.llvm.subst import ToolSubst |
| 14 | from lit.llvm.subst import FindTool |
| 15 | |
| 16 | # Configuration file for the 'lit' test runner. |
| 17 | |
| 18 | # name: The name of this test suite. |
| 19 | config.name = 'Clang' |
| 20 | |
| 21 | # testFormat: The test format to use to interpret tests. |
| 22 | # |
| 23 | # For now we require '&&' between commands, until they get globally killed and |
| 24 | # the test runner updated. |
| 25 | config.test_format = lit.formats.ShTest(not llvm_config.use_lit_shell) |
| 26 | |
| 27 | # suffixes: A list of file extensions to treat as test files. |
| 28 | config.suffixes = ['.c', '.cpp', '.cppm', '.m', '.mm', '.cu', |
| 29 | '.ll', '.cl', '.s', '.S', '.modulemap', '.test', '.rs'] |
| 30 | |
| 31 | # excludes: A list of directories to exclude from the testsuite. The 'Inputs' |
| 32 | # subdirectories contain auxiliary inputs for various tests in their parent |
| 33 | # directories. |
| 34 | config.excludes = ['Inputs', 'CMakeLists.txt', 'README.txt', 'LICENSE.txt', 'debuginfo-tests'] |
| 35 | |
| 36 | # test_source_root: The root path where tests are located. |
| 37 | config.test_source_root = os.path.dirname(__file__) |
| 38 | |
| 39 | # test_exec_root: The root path where tests should be run. |
| 40 | config.test_exec_root = os.path.join(config.clang_obj_root, 'test') |
| 41 | |
| 42 | llvm_config.use_default_substitutions() |
| 43 | |
| 44 | llvm_config.use_clang() |
| 45 | |
| 46 | config.substitutions.append( |
| 47 | ('%src_include_dir', config.clang_src_dir + '/include')) |
| 48 | |
| 49 | |
| 50 | # Propagate path to symbolizer for ASan/MSan. |
| 51 | llvm_config.with_system_environment( |
| 52 | ['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH']) |
| 53 | |
| 54 | config.substitutions.append(('%PATH%', config.environment['PATH'])) |
| 55 | |
| 56 | |
| 57 | # For each occurrence of a clang tool name, replace it with the full path to |
| 58 | # the build directory holding that tool. We explicitly specify the directories |
| 59 | # to search to ensure that we get the tools just built and not some random |
| 60 | # tools that might happen to be in the user's PATH. |
| 61 | tool_dirs = [config.clang_tools_dir, config.llvm_tools_dir] |
| 62 | |
| 63 | tools = [ |
| 64 | 'c-index-test', 'clang-check', 'clang-diff', 'clang-format', 'clang-tblgen', |
| 65 | 'opt', |
| 66 | ToolSubst('%clang_extdef_map', command=FindTool( |
| 67 | 'clang-extdef-mapping'), unresolved='ignore'), |
| 68 | ] |
| 69 | |
| 70 | if config.clang_examples: |
| 71 | config.available_features.add('examples') |
| 72 | tools.append('clang-interpreter') |
| 73 | |
| 74 | llvm_config.add_tool_substitutions(tools, tool_dirs) |
| 75 | |
| 76 | config.substitutions.append( |
| 77 | ('%hmaptool', "'%s' %s" % (config.python_executable, |
| 78 | os.path.join(config.clang_tools_dir, 'hmaptool')))) |
| 79 | |
| 80 | # Plugins (loadable modules) |
| 81 | # TODO: This should be supplied by Makefile or autoconf. |
| 82 | if sys.platform in ['win32', 'cygwin']: |
| 83 | has_plugins = config.enable_shared |
| 84 | else: |
| 85 | has_plugins = True |
| 86 | |
| 87 | if has_plugins and config.llvm_plugin_ext: |
| 88 | config.available_features.add('plugins') |
| 89 | |
| 90 | # Set available features we allow tests to conditionalize on. |
| 91 | # |
| 92 | if config.clang_default_cxx_stdlib != '': |
| 93 | config.available_features.add('default-cxx-stdlib-set') |
| 94 | |
| 95 | # Enabled/disabled features |
| 96 | if config.clang_staticanalyzer: |
| 97 | config.available_features.add('staticanalyzer') |
| 98 | |
| 99 | if config.clang_staticanalyzer_z3 == '1': |
| 100 | config.available_features.add('z3') |
| 101 | |
| 102 | # As of 2011.08, crash-recovery tests still do not pass on FreeBSD. |
| 103 | if platform.system() not in ['FreeBSD']: |
| 104 | config.available_features.add('crash-recovery') |
| 105 | |
| 106 | # ANSI escape sequences in non-dumb terminal |
| 107 | if platform.system() not in ['Windows']: |
| 108 | config.available_features.add('ansi-escape-sequences') |
| 109 | |
| 110 | # Capability to print utf8 to the terminal. |
| 111 | # Windows expects codepage, unless Wide API. |
| 112 | if platform.system() not in ['Windows']: |
| 113 | config.available_features.add('utf8-capable-terminal') |
| 114 | |
| 115 | # Support for libgcc runtime. Used to rule out tests that require |
| 116 | # clang to run with -rtlib=libgcc. |
| 117 | if platform.system() not in ['Darwin', 'Fuchsia']: |
| 118 | config.available_features.add('libgcc') |
| 119 | |
| 120 | # Case-insensitive file system |
| 121 | |
| 122 | |
| 123 | def is_filesystem_case_insensitive(): |
| 124 | handle, path = tempfile.mkstemp( |
| 125 | prefix='case-test', dir=config.test_exec_root) |
| 126 | isInsensitive = os.path.exists( |
| 127 | os.path.join( |
| 128 | os.path.dirname(path), |
| 129 | os.path.basename(path).upper() |
| 130 | )) |
| 131 | os.close(handle) |
| 132 | os.remove(path) |
| 133 | return isInsensitive |
| 134 | |
| 135 | |
| 136 | if is_filesystem_case_insensitive(): |
| 137 | config.available_features.add('case-insensitive-filesystem') |
| 138 | |
| 139 | # Tests that require the /dev/fd filesystem. |
| 140 | if os.path.exists('/dev/fd/0') and sys.platform not in ['cygwin']: |
| 141 | config.available_features.add('dev-fd-fs') |
| 142 | |
| 143 | # Not set on native MS environment. |
| 144 | if not re.match(r'.*-(windows-msvc)$', config.target_triple): |
| 145 | config.available_features.add('non-ms-sdk') |
| 146 | |
| 147 | # Not set on native PS4 environment. |
| 148 | if not re.match(r'.*-scei-ps4', config.target_triple): |
| 149 | config.available_features.add('non-ps4-sdk') |
| 150 | |
| 151 | # [PR8833] LLP64-incompatible tests |
| 152 | if not re.match(r'^x86_64.*-(windows-msvc|windows-gnu)$', config.target_triple): |
| 153 | config.available_features.add('LP64') |
| 154 | |
| 155 | # [PR12920] "clang-driver" -- set if gcc driver is not used. |
| 156 | if not re.match(r'.*-(cygwin)$', config.target_triple): |
| 157 | config.available_features.add('clang-driver') |
| 158 | |
| 159 | # [PR18856] Depends to remove opened file. On win32, a file could be removed |
| 160 | # only if all handles were closed. |
| 161 | if platform.system() not in ['Windows']: |
| 162 | config.available_features.add('can-remove-opened-file') |
| 163 | |
| 164 | |
| 165 | def calculate_arch_features(arch_string): |
| 166 | features = [] |
| 167 | for arch in arch_string.split(): |
| 168 | features.append(arch.lower() + '-registered-target') |
| 169 | return features |
| 170 | |
| 171 | |
| 172 | llvm_config.feature_config( |
| 173 | [('--assertion-mode', {'ON': 'asserts'}), |
| 174 | ('--cxxflags', {r'-D_GLIBCXX_DEBUG\b': 'libstdcxx-safe-mode'}), |
| 175 | ('--targets-built', calculate_arch_features) |
| 176 | ]) |
| 177 | |
| 178 | if lit.util.which('xmllint'): |
| 179 | config.available_features.add('xmllint') |
| 180 | |
| 181 | if config.enable_backtrace: |
| 182 | config.available_features.add('backtrace') |
| 183 | |
| 184 | # Check if we should allow outputs to console. |
| 185 | run_console_tests = int(lit_config.params.get('enable_console', '0')) |
| 186 | if run_console_tests != 0: |
| 187 | config.available_features.add('console') |
| 188 | |
| 189 | lit.util.usePlatformSdkOnDarwin(config, lit_config) |
| 190 | macOSSDKVersion = lit.util.findPlatformSdkVersionOnMacOS(config, lit_config) |
| 191 | if macOSSDKVersion is not None: |
| 192 | config.available_features.add('macos-sdk-' + macOSSDKVersion) |
| 193 | |
| 194 | if os.path.exists('/etc/gentoo-release'): |
| 195 | config.available_features.add('gentoo') |
| 196 | |