3 # Configuration file for the 'lit' test runner.
7 # name: The name of this test suite.
10 # testFormat: The test format to use to interpret tests.
11 config.test_format = lit.formats.TclTest()
13 # suffixes: A list of file extensions to treat as test files, this is actually
17 # test_source_root: The root path where tests are located.
18 config.test_source_root = os.path.dirname(__file__)
20 # test_exec_root: The root path where tests should be run.
21 llvm_obj_root = getattr(config, 'llvm_obj_root', None)
22 if llvm_obj_root is not None:
23 config.test_exec_root = os.path.join(llvm_obj_root, 'test')
25 # Tweak the PATH to include the scripts dir, the tools dir, and the llvm-gcc bin
27 if llvm_obj_root is not None:
28 llvm_src_root = getattr(config, 'llvm_src_root', None)
30 lit.fatal('No LLVM source root set!')
31 path = os.path.pathsep.join((os.path.join(llvm_src_root, 'test',
33 config.environment['PATH']))
34 config.environment['PATH'] = path
36 llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
37 if not llvm_tools_dir:
38 lit.fatal('No LLVM tools dir set!')
39 path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
40 config.environment['PATH'] = path
42 llvmgcc_dir = getattr(config, 'llvmgcc_dir', None)
44 path = os.path.pathsep.join((os.path.join(llvmgcc_dir, 'bin'),
45 config.environment['PATH']))
46 config.environment['PATH'] = path
48 # Propagate 'HOME' through the environment.
49 if 'HOME' in os.environ:
50 config.environment['HOME'] = os.environ['HOME']
52 # Propagate 'INCLUDE' through the environment.
53 if 'INCLUDE' in os.environ:
54 config.environment['INCLUDE'] = os.environ['INCLUDE']
56 # Propagate 'LIB' through the environment.
57 if 'LIB' in os.environ:
58 config.environment['LIB'] = os.environ['LIB']
60 # Propagate LLVM_SRC_ROOT into the environment.
61 config.environment['LLVM_SRC_ROOT'] = getattr(config, 'llvm_src_root', '')
63 # Propagate PYTHON_EXECUTABLE into the environment
64 config.environment['PYTHON_EXECUTABLE'] = getattr(config, 'python_executable',
71 # Check that the object root is known.
72 if config.test_exec_root is None:
73 # Otherwise, we haven't loaded the site specific configuration (the user is
74 # probably trying to run on a test file directly, and either the site
75 # configuration hasn't been created by the build system, or we are in an
76 # out-of-tree build situation).
78 # Check for 'llvm_site_config' user parameter, and use that if available.
79 site_cfg = lit.params.get('llvm_site_config', None)
80 if site_cfg and os.path.exists(site_cfg):
81 lit.load_config(config, site_cfg)
84 # Try to detect the situation where we are using an out-of-tree build by
85 # looking for 'llvm-config'.
87 # FIXME: I debated (i.e., wrote and threw away) adding logic to
88 # automagically generate the lit.site.cfg if we are in some kind of fresh
89 # build situation. This means knowing how to invoke the build system
90 # though, and I decided it was too much magic.
92 llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
94 lit.fatal('No site specific configuration available!')
96 # Get the source and object roots.
97 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
98 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
100 # Validate that we got a tree which points to here.
101 this_src_root = os.path.dirname(config.test_source_root)
102 if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root):
103 lit.fatal('No site specific configuration available!')
105 # Check that the site specific configuration exists.
106 site_cfg = os.path.join(llvm_obj_root, 'test', 'lit.site.cfg')
107 if not os.path.exists(site_cfg):
108 lit.fatal('No site specific configuration available!')
110 # Okay, that worked. Notify the user of the automagic, and reconfigure.
111 lit.note('using out-of-tree build at %r' % llvm_obj_root)
112 lit.load_config(config, site_cfg)
117 # Load site data from DejaGNU's site.exp.
120 # FIXME: Implement lit.site.cfg.
121 for line in open(os.path.join(config.llvm_obj_root, 'test', 'site.exp')):
122 m = re.match('set ([^ ]+) "(.*)"', line)
124 site_exp[m.group(1)] = m.group(2)
127 config.substitutions.append(('%llvmgcc_only', site_exp['llvmgcc']))
128 for sub in ['llvmgcc', 'llvmgxx', 'compile_cxx', 'compile_c',
129 'link', 'shlibext', 'ocamlopt', 'llvmdsymutil', 'llvmlibsdir',
131 if sub in ('llvmgcc', 'llvmgxx'):
132 config.substitutions.append(('%' + sub,
133 site_exp[sub] + ' -emit-llvm -w'))
134 # FIXME: This is a hack to avoid LLVMC tests failing due to a clang driver
135 # warning when passing in "-fexceptions -fno-exceptions".
136 elif sub == 'compile_cxx':
137 config.substitutions.append(('%' + sub,
138 site_exp[sub].replace('-fno-exceptions', '')))
140 config.substitutions.append(('%' + sub, site_exp[sub]))
144 # Provide target_triple for use in XFAIL and XTARGET.
145 config.target_triple = site_exp['target_triplet']
147 # When running under valgrind, we mangle '-vg' or '-vg_leak' onto the end of the
148 # triple so we can check it with XFAIL and XTARGET.
149 config.target_triple += lit.valgrindTriple
151 # Provide llvm_supports_target for use in local configs.
152 targets = set(site_exp["TARGETS_TO_BUILD"].split())
153 def llvm_supports_target(name):
154 return name in targets
156 def llvm_supports_darwin_and_target(name):
157 return 'darwin' in config.target_triple and llvm_supports_target(name)
159 langs = set([s.strip() for s in site_exp['llvmgcc_langs'].split(',')])
160 def llvm_gcc_supports(name):
161 return name.strip() in langs
163 bindings = set([s.strip() for s in site_exp['llvm_bindings'].split(',')])
164 def llvm_supports_binding(name):
165 return name.strip() in bindings
167 # Provide on_clone hook for reading 'dg.exp'.
169 simpleLibData = re.compile(r"""load_lib llvm.exp
171 RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]""",
173 conditionalLibData = re.compile(r"""load_lib llvm.exp
175 if.*\[ ?(llvm[^ ]*) ([^ ]*) ?\].*{
176 *RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]
178 def on_clone(parent, cfg, for_path):
179 def addSuffixes(match):
180 if match[0] == '{' and match[-1] == '}':
181 cfg.suffixes = ['.' + s for s in match[1:-1].split(',')]
183 cfg.suffixes = ['.' + match]
185 libPath = os.path.join(os.path.dirname(for_path),
187 if not os.path.exists(libPath):
188 cfg.unsupported = True
191 # Reset unsupported, in case we inherited it.
192 cfg.unsupported = False
193 lib = open(libPath).read().strip()
195 # Check for a simple library.
196 m = simpleLibData.match(lib)
198 addSuffixes(m.group(1))
201 # Check for a conditional test set.
202 m = conditionalLibData.match(lib)
204 funcname,arg,match = m.groups()
207 func = globals().get(funcname)
209 lit.error('unsupported predicate %r' % funcname)
211 cfg.unsupported = True
213 # Otherwise, give up.
214 lit.error('unable to understand %r:\n%s' % (libPath, lib))
216 config.on_clone = on_clone