3 # Configuration file for the 'lit' test runner.
9 # name: The name of this test suite.
12 # testFormat: The test format to use to interpret tests.
13 config.test_format = lit.formats.TclTest()
15 # suffixes: A list of file extensions to treat as test files, this is actually
19 # test_source_root: The root path where tests are located.
20 config.test_source_root = os.path.dirname(__file__)
22 # test_exec_root: The root path where tests should be run.
23 llvm_obj_root = getattr(config, 'llvm_obj_root', None)
24 if llvm_obj_root is not None:
25 config.test_exec_root = os.path.join(llvm_obj_root, 'test')
27 # Tweak the PATH to include the scripts dir, the tools dir, and the llvm-gcc bin
29 if llvm_obj_root is not None:
30 llvm_src_root = getattr(config, 'llvm_src_root', None)
32 lit.fatal('No LLVM source root set!')
33 path = os.path.pathsep.join((os.path.join(llvm_src_root, 'test',
35 config.environment['PATH']))
36 config.environment['PATH'] = path
38 llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
39 if not llvm_tools_dir:
40 lit.fatal('No LLVM tools dir set!')
41 path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
42 config.environment['PATH'] = path
44 llvmgcc_dir = getattr(config, 'llvmgcc_dir', None)
46 path = os.path.pathsep.join((os.path.join(llvmgcc_dir, 'bin'),
47 config.environment['PATH']))
48 config.environment['PATH'] = path
50 # Propagate 'HOME' through the environment.
51 if 'HOME' in os.environ:
52 config.environment['HOME'] = os.environ['HOME']
54 # Propagate 'INCLUDE' through the environment.
55 if 'INCLUDE' in os.environ:
56 config.environment['INCLUDE'] = os.environ['INCLUDE']
58 # Propagate 'LIB' through the environment.
59 if 'LIB' in os.environ:
60 config.environment['LIB'] = os.environ['LIB']
62 # Propagate the temp directory. Windows requires this because it uses \Windows\
63 # if none of these are present.
64 if 'TMP' in os.environ:
65 config.environment['TMP'] = os.environ['TMP']
66 if 'TEMP' in os.environ:
67 config.environment['TEMP'] = os.environ['TEMP']
69 # Propagate LLVM_SRC_ROOT into the environment.
70 config.environment['LLVM_SRC_ROOT'] = getattr(config, 'llvm_src_root', '')
72 # Propagate PYTHON_EXECUTABLE into the environment
73 config.environment['PYTHON_EXECUTABLE'] = getattr(config, 'python_executable',
80 # Check that the object root is known.
81 if config.test_exec_root is None:
82 # Otherwise, we haven't loaded the site specific configuration (the user is
83 # probably trying to run on a test file directly, and either the site
84 # configuration hasn't been created by the build system, or we are in an
85 # out-of-tree build situation).
87 # Check for 'llvm_site_config' user parameter, and use that if available.
88 site_cfg = lit.params.get('llvm_site_config', None)
89 if site_cfg and os.path.exists(site_cfg):
90 lit.load_config(config, site_cfg)
93 # Try to detect the situation where we are using an out-of-tree build by
94 # looking for 'llvm-config'.
96 # FIXME: I debated (i.e., wrote and threw away) adding logic to
97 # automagically generate the lit.site.cfg if we are in some kind of fresh
98 # build situation. This means knowing how to invoke the build system
99 # though, and I decided it was too much magic.
101 llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
103 lit.fatal('No site specific configuration available!')
105 # Get the source and object roots.
106 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
107 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
109 # Validate that we got a tree which points to here.
110 this_src_root = os.path.dirname(config.test_source_root)
111 if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root):
112 lit.fatal('No site specific configuration available!')
114 # Check that the site specific configuration exists.
115 site_cfg = os.path.join(llvm_obj_root, 'test', 'lit.site.cfg')
116 if not os.path.exists(site_cfg):
117 lit.fatal('No site specific configuration available!')
119 # Okay, that worked. Notify the user of the automagic, and reconfigure.
120 lit.note('using out-of-tree build at %r' % llvm_obj_root)
121 lit.load_config(config, site_cfg)
126 # Load site data from DejaGNU's site.exp.
129 # FIXME: Implement lit.site.cfg.
130 for line in open(os.path.join(config.llvm_obj_root, 'test', 'site.exp')):
131 m = re.match('set ([^ ]+) "(.*)"', line)
133 site_exp[m.group(1)] = m.group(2)
136 config.substitutions.append(('%llvmgcc_only', site_exp['llvmgcc']))
137 for sub in ['llvmgcc', 'llvmgxx', 'emitir', 'compile_cxx', 'compile_c',
138 'link', 'shlibext', 'ocamlopt', 'llvmdsymutil', 'llvmlibsdir',
141 if sub in ('llvmgcc', 'llvmgxx'):
142 config.substitutions.append(('%' + sub,
143 site_exp[sub] + ' %emitir -w'))
144 # FIXME: This is a hack to avoid LLVMC tests failing due to a clang driver
145 # warning when passing in "-fexceptions -fno-exceptions".
146 elif sub == 'compile_cxx':
147 config.substitutions.append(('%' + sub,
148 site_exp[sub].replace('-fno-exceptions', '')))
150 config.substitutions.append(('%' + sub, site_exp[sub]))
152 # For each occurrence of an llvm tool name as its own word, replace it
153 # with the full path to the build directory holding that tool. This
154 # ensures that we are testing the tools just built and not some random
155 # tools that might happen to be in the user's PATH. Thus this list
156 # includes every tool placed in $(LLVM_OBJ_ROOT)/$(BuildMode)/bin
157 # (llvm_tools_dir in lit parlance).
158 # Don't match 'bugpoint-' or 'clang-'.
159 # Don't match '/clang'.
160 for pattern in [r"\bbugpoint\b(?!-)", r"(?<!/)\bclang\b(?!-)",
161 r"\bedis\b", r"\bgold\b",
162 r"\bllc\b", r"\blli\b",
163 r"\bllvm-ar\b", r"\bllvm-as\b",
164 r"\bllvm-bcanalyzer\b", r"\bllvm-config\b",
165 r"\bllvm-diff\b", r"\bllvm-dis\b",
166 r"\bllvm-extract\b", r"\bllvm-ld\b",
167 r"\bllvm-link\b", r"\bllvm-mc\b",
168 r"\bllvm-nm\b", r"\bllvm-prof\b",
169 r"\bllvm-ranlib\b", r"\bllvm-shlib\b",
170 r"\bllvm-stub\b", r"\bllvm2cpp\b",
171 # Don't match '-llvmc'.
172 r"(?<!-)\bllvmc\b", r"\blto\b",
173 # Don't match '.opt', '-opt'
175 r"\bmacho-dump\b", r"(?<!\.|-|\^)\bopt\b",
176 r"\btblgen\b", r"\bFileCheck\b",
177 r"\bFileUpdate\b", r"\bc-index-test\b",
178 r"\bfpcmp\b", r"\bllvm-PerfectShuffle\b",
179 # Handle these specially as they are strings searched
180 # for during testing.
181 r"\| \bcount\b", r"\| \bnot\b"]:
182 # Extract the tool name from the pattern. This relies on the tool
183 # name being surrounded by \b word match operators. If the
184 # pattern starts with "| ", include it in the string to be
186 substitution = re.sub(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
187 r"\2" + llvm_tools_dir + "/" + r"\4",
189 config.substitutions.append((pattern, substitution))
193 # Provide target_triple for use in XFAIL and XTARGET.
194 config.target_triple = site_exp['target_triplet']
196 # When running under valgrind, we mangle '-vg' or '-vg_leak' onto the end of the
197 # triple so we can check it with XFAIL and XTARGET.
198 config.target_triple += lit.valgrindTriple
200 # Provide llvm_supports_target for use in local configs.
201 targets = set(site_exp["TARGETS_TO_BUILD"].split())
202 def llvm_supports_target(name):
203 return name in targets
205 def llvm_supports_darwin_and_target(name):
206 return 'darwin' in config.target_triple and llvm_supports_target(name)
208 langs = set([s.strip() for s in site_exp['llvmgcc_langs'].split(',')])
209 def llvm_gcc_supports(name):
210 return name.strip() in langs
212 bindings = set([s.strip() for s in site_exp['llvm_bindings'].split(',')])
213 def llvm_supports_binding(name):
214 return name.strip() in bindings
216 # Provide on_clone hook for reading 'dg.exp'.
218 simpleLibData = re.compile(r"""load_lib llvm.exp
220 RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]""",
222 conditionalLibData = re.compile(r"""load_lib llvm.exp
224 if.*\[ ?(llvm[^ ]*) ([^ ]*) ?\].*{
225 *RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]
227 def on_clone(parent, cfg, for_path):
228 def addSuffixes(match):
229 if match[0] == '{' and match[-1] == '}':
230 cfg.suffixes = ['.' + s for s in match[1:-1].split(',')]
232 cfg.suffixes = ['.' + match]
234 libPath = os.path.join(os.path.dirname(for_path),
236 if not os.path.exists(libPath):
237 cfg.unsupported = True
240 # Reset unsupported, in case we inherited it.
241 cfg.unsupported = False
242 lib = open(libPath).read().strip()
244 # Check for a simple library.
245 m = simpleLibData.match(lib)
247 addSuffixes(m.group(1))
250 # Check for a conditional test set.
251 m = conditionalLibData.match(lib)
253 funcname,arg,match = m.groups()
256 func = globals().get(funcname)
258 lit.error('unsupported predicate %r' % funcname)
260 cfg.unsupported = True
262 # Otherwise, give up.
263 lit.error('unable to understand %r:\n%s' % (libPath, lib))
265 config.on_clone = on_clone
270 if sys.platform not in ['win32']:
271 config.available_features.add('shell')
274 # FIXME: This should be supplied by Makefile or autoconf.
275 if sys.platform in ['win32', 'cygwin']:
276 loadable_module = (config.enable_shared == 1)
278 loadable_module = True
281 config.available_features.add('loadable_module')