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 | |