3 # 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.
12 config.test_format = lit.formats.TclTest()
14 # suffixes: A list of file extensions to treat as test files, this is actually
18 # test_source_root: The root path where tests are located.
19 config.test_source_root = os.path.dirname(__file__)
21 # test_exec_root: The root path where tests should be run.
22 llvm_obj_root = getattr(config, 'llvm_obj_root', None)
23 if llvm_obj_root is not None:
24 config.test_exec_root = os.path.join(llvm_obj_root, 'test')
26 # Tweak the PATH to include the scripts dir, the tools dir, and the llvm-gcc bin
28 if llvm_obj_root is not None:
29 llvm_src_root = getattr(config, 'llvm_src_root', None)
31 lit.fatal('No LLVM source root set!')
32 path = os.path.pathsep.join((os.path.join(llvm_src_root, 'test',
34 config.environment['PATH']))
35 config.environment['PATH'] = path
37 llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
38 if not llvm_tools_dir:
39 lit.fatal('No LLVM tools dir set!')
40 path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
41 config.environment['PATH'] = path
43 llvmgcc_dir = getattr(config, 'llvmgcc_dir', None)
45 path = os.path.pathsep.join((os.path.join(llvmgcc_dir, 'bin'),
46 config.environment['PATH']))
47 config.environment['PATH'] = path
49 # Propagate 'HOME' through the environment.
50 if 'HOME' in os.environ:
51 config.environment['HOME'] = os.environ['HOME']
53 # Propagate 'INCLUDE' through the environment.
54 if 'INCLUDE' in os.environ:
55 config.environment['INCLUDE'] = os.environ['INCLUDE']
57 # Propagate 'LIB' through the environment.
58 if 'LIB' in os.environ:
59 config.environment['LIB'] = os.environ['LIB']
61 # Propagate LLVM_SRC_ROOT into the environment.
62 config.environment['LLVM_SRC_ROOT'] = getattr(config, 'llvm_src_root', '')
64 # Propagate PYTHON_EXECUTABLE into the environment
65 config.environment['PYTHON_EXECUTABLE'] = getattr(config, 'python_executable',
72 # Check that the object root is known.
73 if config.test_exec_root is None:
74 # Otherwise, we haven't loaded the site specific configuration (the user is
75 # probably trying to run on a test file directly, and either the site
76 # configuration hasn't been created by the build system, or we are in an
77 # out-of-tree build situation).
79 # Check for 'llvm_site_config' user parameter, and use that if available.
80 site_cfg = lit.params.get('llvm_site_config', None)
81 if site_cfg and os.path.exists(site_cfg):
82 lit.load_config(config, site_cfg)
85 # Try to detect the situation where we are using an out-of-tree build by
86 # looking for 'llvm-config'.
88 # FIXME: I debated (i.e., wrote and threw away) adding logic to
89 # automagically generate the lit.site.cfg if we are in some kind of fresh
90 # build situation. This means knowing how to invoke the build system
91 # though, and I decided it was too much magic.
93 llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
95 lit.fatal('No site specific configuration available!')
97 # Get the source and object roots.
98 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
99 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
101 # Validate that we got a tree which points to here.
102 this_src_root = os.path.dirname(config.test_source_root)
103 if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root):
104 lit.fatal('No site specific configuration available!')
106 # Check that the site specific configuration exists.
107 site_cfg = os.path.join(llvm_obj_root, 'test', 'lit.site.cfg')
108 if not os.path.exists(site_cfg):
109 lit.fatal('No site specific configuration available!')
111 # Okay, that worked. Notify the user of the automagic, and reconfigure.
112 lit.note('using out-of-tree build at %r' % llvm_obj_root)
113 lit.load_config(config, site_cfg)
118 # Load site data from DejaGNU's site.exp.
121 # FIXME: Implement lit.site.cfg.
122 for line in open(os.path.join(config.llvm_obj_root, 'test', 'site.exp')):
123 m = re.match('set ([^ ]+) "(.*)"', line)
125 site_exp[m.group(1)] = m.group(2)
128 config.substitutions.append(('%llvmgcc_only', site_exp['llvmgcc']))
129 for sub in ['llvmgcc', 'llvmgxx', 'emitir', 'compile_cxx', 'compile_c',
130 'link', 'shlibext', 'ocamlopt', 'llvmdsymutil', 'llvmlibsdir',
133 if sub in ('llvmgcc', 'llvmgxx'):
134 config.substitutions.append(('%' + sub,
135 site_exp[sub] + ' %emitir -w'))
136 # FIXME: This is a hack to avoid LLVMC tests failing due to a clang driver
137 # warning when passing in "-fexceptions -fno-exceptions".
138 elif sub == 'compile_cxx':
139 config.substitutions.append(('%' + sub,
140 site_exp[sub].replace('-fno-exceptions', '')))
142 config.substitutions.append(('%' + sub, site_exp[sub]))
146 # Provide target_triple for use in XFAIL and XTARGET.
147 config.target_triple = site_exp['target_triplet']
149 # When running under valgrind, we mangle '-vg' or '-vg_leak' onto the end of the
150 # triple so we can check it with XFAIL and XTARGET.
151 config.target_triple += lit.valgrindTriple
153 # Provide llvm_supports_target for use in local configs.
154 targets = set(site_exp["TARGETS_TO_BUILD"].split())
155 def llvm_supports_target(name):
156 return name in targets
158 def llvm_supports_darwin_and_target(name):
159 return 'darwin' in config.target_triple and llvm_supports_target(name)
161 langs = set([s.strip() for s in site_exp['llvmgcc_langs'].split(',')])
162 def llvm_gcc_supports(name):
163 return name.strip() in langs
165 bindings = set([s.strip() for s in site_exp['llvm_bindings'].split(',')])
166 def llvm_supports_binding(name):
167 return name.strip() in bindings
169 # Provide on_clone hook for reading 'dg.exp'.
171 simpleLibData = re.compile(r"""load_lib llvm.exp
173 RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]""",
175 conditionalLibData = re.compile(r"""load_lib llvm.exp
177 if.*\[ ?(llvm[^ ]*) ([^ ]*) ?\].*{
178 *RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]
180 def on_clone(parent, cfg, for_path):
181 def addSuffixes(match):
182 if match[0] == '{' and match[-1] == '}':
183 cfg.suffixes = ['.' + s for s in match[1:-1].split(',')]
185 cfg.suffixes = ['.' + match]
187 libPath = os.path.join(os.path.dirname(for_path),
189 if not os.path.exists(libPath):
190 cfg.unsupported = True
193 # Reset unsupported, in case we inherited it.
194 cfg.unsupported = False
195 lib = open(libPath).read().strip()
197 # Check for a simple library.
198 m = simpleLibData.match(lib)
200 addSuffixes(m.group(1))
203 # Check for a conditional test set.
204 m = conditionalLibData.match(lib)
206 funcname,arg,match = m.groups()
209 func = globals().get(funcname)
211 lit.error('unsupported predicate %r' % funcname)
213 cfg.unsupported = True
215 # Otherwise, give up.
216 lit.error('unable to understand %r:\n%s' % (libPath, lib))
218 config.on_clone = on_clone
223 # FIXME: This should be supplied by Makefile or autoconf.
224 if sys.platform in ['win32', 'cygwin']:
225 loadable_module = (config.enable_shared == 1)
227 loadable_module = True
230 config.available_features.add('loadable_module')