6 # Configuration file for the 'lit' test runner.
8 # name: The name of this test suite.
11 # testFormat: The test format to use to interpret tests.
13 # For now we require '&&' between commands, until they get globally killed and
14 # the test runner updated.
15 execute_external = platform.system() != 'Windows'
16 config.test_format = lit.formats.ShTest(execute_external)
18 # suffixes: A list of file extensions to treat as test files.
19 config.suffixes = ['.c', '.cpp', '.m', '.mm', '.ll']
21 # test_source_root: The root path where tests are located.
22 config.test_source_root = os.path.dirname(__file__)
24 # test_exec_root: The root path where tests should be run.
25 clang_obj_root = getattr(config, 'clang_obj_root', None)
26 if clang_obj_root is not None:
27 config.test_exec_root = os.path.join(clang_obj_root, 'test')
29 # Set llvm_{src,obj}_root for use by others.
30 config.llvm_src_root = getattr(config, 'llvm_src_root', None)
31 config.llvm_obj_root = getattr(config, 'llvm_obj_root', None)
33 # Tweak the PATH to include the tools dir and the scripts dir.
34 if clang_obj_root is not None:
35 llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
36 if not llvm_tools_dir:
37 lit.fatal('No LLVM tools dir set!')
38 path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
39 config.environment['PATH'] = path
41 llvm_libs_dir = getattr(config, 'llvm_libs_dir', None)
43 lit.fatal('No LLVM libs dir set!')
44 path = os.path.pathsep.join((llvm_libs_dir,
45 config.environment.get('LD_LIBRARY_PATH','')))
46 config.environment['LD_LIBRARY_PATH'] = path
50 # Check that the object root is known.
51 if config.test_exec_root is None:
52 # Otherwise, we haven't loaded the site specific configuration (the user is
53 # probably trying to run on a test file directly, and either the site
54 # configuration hasn't been created by the build system, or we are in an
55 # out-of-tree build situation).
57 # Check for 'clang_site_config' user parameter, and use that if available.
58 site_cfg = lit.params.get('clang_site_config', None)
59 if site_cfg and os.path.exists(site_cfg):
60 lit.load_config(config, site_cfg)
63 # Try to detect the situation where we are using an out-of-tree build by
64 # looking for 'llvm-config'.
66 # FIXME: I debated (i.e., wrote and threw away) adding logic to
67 # automagically generate the lit.site.cfg if we are in some kind of fresh
68 # build situation. This means knowing how to invoke the build system though,
69 # and I decided it was too much magic. We should solve this by just having
70 # the .cfg files generated during the configuration step.
72 llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
74 lit.fatal('No site specific configuration available!')
76 # Get the source and object roots.
77 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
78 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
79 clang_src_root = os.path.join(llvm_src_root, "tools", "clang")
80 clang_obj_root = os.path.join(llvm_obj_root, "tools", "clang")
82 # Validate that we got a tree which points to here, using the standard
84 this_src_root = os.path.dirname(config.test_source_root)
85 if os.path.realpath(clang_src_root) != os.path.realpath(this_src_root):
86 lit.fatal('No site specific configuration available!')
88 # Check that the site specific configuration exists.
89 site_cfg = os.path.join(clang_obj_root, 'test', 'lit.site.cfg')
90 if not os.path.exists(site_cfg):
91 lit.fatal('No site specific configuration available! You may need to '
92 'run "make test" in your Clang build directory.')
94 # Okay, that worked. Notify the user of the automagic, and reconfigure.
95 lit.note('using out-of-tree build at %r' % clang_obj_root)
96 lit.load_config(config, site_cfg)
101 # Discover the 'clang' and 'clangcc' to use.
105 def inferClang(PATH):
106 # Determine which clang to use.
107 clang = os.getenv('CLANG')
109 # If the user set clang in the environment, definitely use that and don't
114 # Otherwise look in the path.
115 clang = lit.util.which('clang', PATH)
118 lit.fatal("couldn't find 'clang' program, try setting "
119 "CLANG in your environment")
123 # When running under valgrind, we mangle '-vg' onto the end of the triple so we
124 # can check it with XFAIL and XTARGET.
126 config.target_triple += '-vg'
128 config.clang = inferClang(config.environment['PATH'])
130 lit.note('using clang: %r' % config.clang)
131 config.substitutions.append( ('%clang_cc1', config.clang + ' -cc1') )
132 config.substitutions.append( ('%clangxx', ' ' + config.clang +
133 ' -ccc-clang-cxx -ccc-cxx '))
134 config.substitutions.append( ('%clang', ' ' + config.clang + ' ') )
135 config.substitutions.append( ('%test_debuginfo', ' ' + config.llvm_src_root + '/utils/test_debuginfo.pl ') )
137 # FIXME: Find nicer way to prohibit this.
138 config.substitutions.append(
139 (' clang ', """*** Do not use 'clang' in tests, use '%clang'. ***""") )
140 config.substitutions.append(
141 (' clang++ ', """*** Do not use 'clang++' in tests, use '%clangxx'. ***"""))
142 config.substitutions.append(
144 """*** Do not use 'clang-cc' in tests, use '%clang_cc1'. ***""") )
145 config.substitutions.append(
147 """*** Do not use 'clang -cc1' in tests, use '%clang_cc1'. ***""") )
148 config.substitutions.append(
150 """*** invalid substitution, use '%clang_cc1'. ***""") )
154 # Set available features we allow tests to conditionalize on.
155 if platform.system() != 'Windows':
156 config.available_features.add('crash-recovery')