3 # Configuration file for the 'lit' test runner.
10 # name: The name of this test suite.
13 # Tweak PATH for Win32 to decide to use bash.exe or not.
14 if sys.platform in ['win32']:
15 # Seek sane tools in directories and set to $PATH.
16 path = getattr(config, 'lit_tools_dir', None)
17 path = lit.getToolsPath(path,
18 config.environment['PATH'],
19 ['cmp.exe', 'grep.exe', 'sed.exe'])
21 path = os.path.pathsep.join((path,
22 config.environment['PATH']))
23 config.environment['PATH'] = path
25 # testFormat: The test format to use to interpret tests.
26 execute_external = (not sys.platform in ['win32']
27 or lit.getBashPath() not in [None, ""])
28 config.test_format = lit.formats.ShTest(execute_external)
30 # To ignore test output on stderr so it doesn't trigger failures uncomment this:
31 #config.test_format = lit.formats.TclTest(ignoreStdErr=True)
33 # suffixes: A list of file extensions to treat as test files, this is actually
37 # excludes: A list of directories to exclude from the testsuite. The 'Inputs'
38 # subdirectories contain auxiliary inputs for various tests in their parent
40 config.excludes = ['Inputs']
42 # test_source_root: The root path where tests are located.
43 config.test_source_root = os.path.dirname(__file__)
45 # test_exec_root: The root path where tests should be run.
46 llvm_obj_root = getattr(config, 'llvm_obj_root', None)
47 if llvm_obj_root is not None:
48 config.test_exec_root = os.path.join(llvm_obj_root, 'test')
50 # Tweak the PATH to include the scripts dir, the tools dir, and the llvm-gcc bin
52 if llvm_obj_root is not None:
53 llvm_src_root = getattr(config, 'llvm_src_root', None)
55 lit.fatal('No LLVM source root set!')
56 path = os.path.pathsep.join((os.path.join(llvm_src_root, 'test',
58 config.environment['PATH']))
59 config.environment['PATH'] = path
61 llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
62 if not llvm_tools_dir:
63 lit.fatal('No LLVM tools dir set!')
64 path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
65 config.environment['PATH'] = path
67 # Propagate 'HOME' through the environment.
68 if 'HOME' in os.environ:
69 config.environment['HOME'] = os.environ['HOME']
71 # Propagate 'INCLUDE' through the environment.
72 if 'INCLUDE' in os.environ:
73 config.environment['INCLUDE'] = os.environ['INCLUDE']
75 # Propagate 'LIB' through the environment.
76 if 'LIB' in os.environ:
77 config.environment['LIB'] = os.environ['LIB']
79 # Propagate the temp directory. Windows requires this because it uses \Windows\
80 # if none of these are present.
81 if 'TMP' in os.environ:
82 config.environment['TMP'] = os.environ['TMP']
83 if 'TEMP' in os.environ:
84 config.environment['TEMP'] = os.environ['TEMP']
86 # Propagate LLVM_SRC_ROOT into the environment.
87 config.environment['LLVM_SRC_ROOT'] = getattr(config, 'llvm_src_root', '')
89 # Propagate PYTHON_EXECUTABLE into the environment
90 config.environment['PYTHON_EXECUTABLE'] = getattr(config, 'python_executable',
97 # Check that the object root is known.
98 if config.test_exec_root is None:
99 # Otherwise, we haven't loaded the site specific configuration (the user is
100 # probably trying to run on a test file directly, and either the site
101 # configuration hasn't been created by the build system, or we are in an
102 # out-of-tree build situation).
104 # Check for 'llvm_site_config' user parameter, and use that if available.
105 site_cfg = lit.params.get('llvm_site_config', None)
106 if site_cfg and os.path.exists(site_cfg):
107 lit.load_config(config, site_cfg)
110 # Try to detect the situation where we are using an out-of-tree build by
111 # looking for 'llvm-config'.
113 # FIXME: I debated (i.e., wrote and threw away) adding logic to
114 # automagically generate the lit.site.cfg if we are in some kind of fresh
115 # build situation. This means knowing how to invoke the build system
116 # though, and I decided it was too much magic.
118 llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
120 lit.fatal('No site specific configuration available!')
122 # Get the source and object roots.
123 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
124 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
126 # Validate that we got a tree which points to here.
127 this_src_root = os.path.dirname(config.test_source_root)
128 if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root):
129 lit.fatal('No site specific configuration available!')
131 # Check that the site specific configuration exists.
132 site_cfg = os.path.join(llvm_obj_root, 'test', 'lit.site.cfg')
133 if not os.path.exists(site_cfg):
134 lit.fatal('No site specific configuration available!')
136 # Okay, that worked. Notify the user of the automagic, and reconfigure.
137 lit.note('using out-of-tree build at %r' % llvm_obj_root)
138 lit.load_config(config, site_cfg)
143 # Provide a command line for mcjit tests
144 lli_mcjit = 'lli -use-mcjit'
145 # The target triple used by default by lli is the process target triple (some
146 # triple appropriate for generating code for the current process) but because
147 # we don't support COFF in MCJIT well enough for the tests, force ELF format on
148 # Windows. FIXME: the process target triple should be used here, but this is
149 # difficult to obtain on Windows.
150 if re.search(r'cygwin|mingw32|win32', config.host_triple):
151 lli_mcjit += ' -mtriple='+config.host_triple+'-elf'
152 config.substitutions.append( ('%lli_mcjit', lli_mcjit) )
154 # Provide a substition for those tests that need to run the jit to obtain data
155 # but simply want use the currently considered most reliable jit for platform
156 # FIXME: ppc32 is not ready for mcjit.
157 if 'arm' in config.target_triple \
158 or 'powerpc64' in config.target_triple:
159 defaultIsMCJIT = 'true'
161 defaultIsMCJIT = 'false'
162 config.substitutions.append( ('%defaultjit', '-use-mcjit='+defaultIsMCJIT) )
164 # Process jit implementation option
165 jit_impl_cfg = lit.params.get('jit_impl', None)
166 if jit_impl_cfg == 'mcjit':
167 # When running with mcjit, mangle -mcjit into target triple
168 # and add -use-mcjit flag to lli invocation
169 if 'i686' in config.target_triple:
170 config.target_triple += jit_impl_cfg + '-ia32'
171 elif 'x86_64' in config.target_triple:
172 config.target_triple += jit_impl_cfg + '-ia64'
174 config.target_triple += jit_impl_cfg
176 config.substitutions.append( ('%lli', 'lli -use-mcjit') )
178 config.substitutions.append( ('%lli', 'lli') )
180 # Add site-specific substitutions.
181 config.substitutions.append( ('%ocamlopt', config.ocamlopt_executable) )
182 config.substitutions.append( ('%llvmshlibdir', config.llvm_shlib_dir) )
183 config.substitutions.append( ('%shlibext', config.llvm_shlib_ext) )
185 # For each occurrence of an llvm tool name as its own word, replace it
186 # with the full path to the build directory holding that tool. This
187 # ensures that we are testing the tools just built and not some random
188 # tools that might happen to be in the user's PATH. Thus this list
189 # includes every tool placed in $(LLVM_OBJ_ROOT)/$(BuildMode)/bin
190 # (llvm_tools_dir in lit parlance).
191 # Don't match 'bugpoint-' or 'clang-'.
192 # Don't match '/clang' or '-clang'.
193 if os.pathsep == ';':
194 pathext = os.environ.get('PATHEXT', '').split(';')
197 for pattern in [r"\bbugpoint\b(?!-)", r"(?<!/|-)\bclang\b(?!-)",
199 r"\bllc\b", r"\blli\b",
200 r"\bllvm-ar\b", r"\bllvm-as\b",
201 r"\bllvm-bcanalyzer\b", r"\bllvm-config\b",
202 r"\bllvm-cov\b", r"\bllvm-diff\b",
203 r"\bllvm-dis\b", r"\bllvm-dwarfdump\b",
204 r"\bllvm-extract\b", r"\bllvm-jistlistener\b",
205 r"\bllvm-link\b", r"\bllvm-mc\b",
206 r"\bllvm-nm\b", r"\bllvm-objdump\b",
207 r"\bllvm-prof\b", r"\bllvm-ranlib\b",
208 r"\bllvm-rtdyld\b", r"\bllvm-shlib\b",
210 # Don't match '-llvmc'.
211 r"(?<!-)\bllvmc\b", r"\blto\b",
212 # Don't match '.opt', '-opt',
214 r"\bmacho-dump\b", r"(?<!\.|-|\^|/)\bopt\b",
215 r"\bllvm-tblgen\b", r"\bFileCheck\b",
216 r"\bFileUpdate\b", r"\bc-index-test\b",
217 r"\bfpcmp\b", r"\bllvm-PerfectShuffle\b",
218 # Handle these specially as they are strings searched
219 # for during testing.
220 r"\| \bcount\b", r"\| \bnot\b"]:
221 # Extract the tool name from the pattern. This relies on the tool
222 # name being surrounded by \b word match operators. If the
223 # pattern starts with "| ", include it in the string to be
225 substitution = re.sub(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
226 r"\2" + llvm_tools_dir + "/" + r"\4",
229 substitution_ext = substitution + ext
230 if os.path.exists(substitution_ext):
231 substitution = substitution_ext
233 config.substitutions.append((pattern, substitution))
238 if sys.platform not in ['win32'] or lit.getBashPath() != '':
239 config.available_features.add('shell')
242 # FIXME: This should be supplied by Makefile or autoconf.
243 if sys.platform in ['win32', 'cygwin']:
244 loadable_module = (config.enable_shared == 1)
246 loadable_module = True
249 config.available_features.add('loadable_module')
252 if config.lto_is_enabled == "1" and platform.system() == "Darwin":
253 config.available_features.add('lto_on_osx')
255 # llc knows whether he is compiled with -DNDEBUG.
258 llc_cmd = subprocess.Popen([os.path.join(llvm_tools_dir, 'llc'), '-version'],
259 stdout = subprocess.PIPE)
261 print "Could not find llc in " + llvm_tools_dir
264 if re.search(r'with assertions', llc_cmd.stdout.read()):
265 config.available_features.add('asserts')