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 # Choose between lit's internal shell pipeline runner and a real shell. If
26 # LIT_USE_INTERNAL_SHELL is in the environment, we use that as an override.
27 use_lit_shell = os.environ.get("LIT_USE_INTERNAL_SHELL")
29 # 0 is external, "" is default, and everything else is internal.
30 execute_external = (use_lit_shell == "0")
32 # Otherwise we default to internal on Windows and external elsewhere, as
33 # bash on Windows is usually very slow.
34 execute_external = (not sys.platform in ['win32'])
36 # testFormat: The test format to use to interpret tests.
37 config.test_format = lit.formats.ShTest(execute_external)
39 # To ignore test output on stderr so it doesn't trigger failures uncomment this:
40 #config.test_format = lit.formats.TclTest(ignoreStdErr=True)
42 # suffixes: A list of file extensions to treat as test files, this is actually
46 # excludes: A list of directories to exclude from the testsuite. The 'Inputs'
47 # subdirectories contain auxiliary inputs for various tests in their parent
49 config.excludes = ['Inputs']
51 # test_source_root: The root path where tests are located.
52 config.test_source_root = os.path.dirname(__file__)
54 # test_exec_root: The root path where tests should be run.
55 llvm_obj_root = getattr(config, 'llvm_obj_root', None)
56 if llvm_obj_root is not None:
57 config.test_exec_root = os.path.join(llvm_obj_root, 'test')
59 # Tweak the PATH to include the tools dir.
60 if llvm_obj_root is not None:
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',
93 # Propagate path to symbolizer for ASan/MSan.
94 for symbolizer in ['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH']:
95 if symbolizer in os.environ:
96 config.environment[symbolizer] = os.environ[symbolizer]
102 # Check that the object root is known.
103 if config.test_exec_root is None:
104 # Otherwise, we haven't loaded the site specific configuration (the user is
105 # probably trying to run on a test file directly, and either the site
106 # configuration hasn't been created by the build system, or we are in an
107 # out-of-tree build situation).
109 # Check for 'llvm_site_config' user parameter, and use that if available.
110 site_cfg = lit.params.get('llvm_site_config', None)
111 if site_cfg and os.path.exists(site_cfg):
112 lit.load_config(config, site_cfg)
115 # Try to detect the situation where we are using an out-of-tree build by
116 # looking for 'llvm-config'.
118 # FIXME: I debated (i.e., wrote and threw away) adding logic to
119 # automagically generate the lit.site.cfg if we are in some kind of fresh
120 # build situation. This means knowing how to invoke the build system
121 # though, and I decided it was too much magic.
123 llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
125 lit.fatal('No site specific configuration available!')
127 # Get the source and object roots.
128 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
129 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
131 # Validate that we got a tree which points to here.
132 this_src_root = os.path.dirname(config.test_source_root)
133 if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root):
134 lit.fatal('No site specific configuration available!')
136 # Check that the site specific configuration exists.
137 site_cfg = os.path.join(llvm_obj_root, 'test', 'lit.site.cfg')
138 if not os.path.exists(site_cfg):
139 lit.fatal('No site specific configuration available!')
141 # Okay, that worked. Notify the user of the automagic, and reconfigure.
142 lit.note('using out-of-tree build at %r' % llvm_obj_root)
143 lit.load_config(config, site_cfg)
148 # Provide a command line for mcjit tests
149 lli_mcjit = 'lli -use-mcjit'
150 # The target triple used by default by lli is the process target triple (some
151 # triple appropriate for generating code for the current process) but because
152 # we don't support COFF in MCJIT well enough for the tests, force ELF format on
153 # Windows. FIXME: the process target triple should be used here, but this is
154 # difficult to obtain on Windows.
155 if re.search(r'cygwin|mingw32|win32', config.host_triple):
156 lli_mcjit += ' -mtriple='+config.host_triple+'-elf'
157 config.substitutions.append( ('%lli_mcjit', lli_mcjit) )
159 # Provide a substition for those tests that need to run the jit to obtain data
160 # but simply want use the currently considered most reliable jit for platform
161 # FIXME: ppc32 is not ready for mcjit.
162 if 'arm' in config.target_triple \
163 or 'aarch64' in config.target_triple \
164 or 'powerpc64' in config.target_triple \
165 or 's390x' in config.target_triple:
166 defaultIsMCJIT = 'true'
168 defaultIsMCJIT = 'false'
169 config.substitutions.append( ('%defaultjit', '-use-mcjit='+defaultIsMCJIT) )
171 # Process jit implementation option
172 jit_impl_cfg = lit.params.get('jit_impl', None)
173 if jit_impl_cfg == 'mcjit':
174 # When running with mcjit, mangle -mcjit into target triple
175 # and add -use-mcjit flag to lli invocation
176 if 'i686' in config.target_triple:
177 config.target_triple += jit_impl_cfg + '-ia32'
178 elif 'x86_64' in config.target_triple:
179 config.target_triple += jit_impl_cfg + '-ia64'
181 config.target_triple += jit_impl_cfg
183 config.substitutions.append( ('%lli', 'lli -use-mcjit') )
185 config.substitutions.append( ('%lli', 'lli') )
187 # Add site-specific substitutions.
188 config.substitutions.append( ('%ocamlopt', config.ocamlopt_executable) )
189 config.substitutions.append( ('%llvmshlibdir', config.llvm_shlib_dir) )
190 config.substitutions.append( ('%shlibext', config.llvm_shlib_ext) )
192 # For each occurrence of an llvm tool name as its own word, replace it
193 # with the full path to the build directory holding that tool. This
194 # ensures that we are testing the tools just built and not some random
195 # tools that might happen to be in the user's PATH. Thus this list
196 # includes every tool placed in $(LLVM_OBJ_ROOT)/$(BuildMode)/bin
197 # (llvm_tools_dir in lit parlance).
198 # Don't match 'bugpoint-' or 'clang-'.
199 # Don't match '/clang' or '-clang'.
200 if os.pathsep == ';':
201 pathext = os.environ.get('PATHEXT', '').split(';')
204 # Regex to reject matching a hyphen
207 for pattern in [r"\bbugpoint\b(?!-)", r"(?<!/|-)\bclang\b(?!-)",
209 # Match llc but not -llc
210 NOHYPHEN + r"\bllc\b",
212 r"\bllvm-ar\b", r"\bllvm-as\b",
213 r"\bllvm-bcanalyzer\b", r"\bllvm-config\b",
214 r"\bllvm-cov\b", r"\bllvm-diff\b",
215 r"\bllvm-dis\b", r"\bllvm-dwarfdump\b",
216 r"\bllvm-extract\b", r"\bllvm-jistlistener\b",
217 r"\bllvm-link\b", r"\bllvm-mc\b",
218 r"\bllvm-nm\b", r"\bllvm-objdump\b",
219 r"\bllvm-prof\b", r"\bllvm-size\b",
220 r"\bllvm-rtdyld\b", r"\bllvm-shlib\b",
221 # Match llvmc but not -llvmc
222 NOHYPHEN + r"\bllvmc\b",
224 # Don't match '.opt', '-opt',
226 r"\bmacho-dump\b", r"(?<!\.|-|\^|/)\bopt\b",
227 r"\bllvm-tblgen\b", r"\bFileCheck\b",
228 r"\bFileUpdate\b", r"\bc-index-test\b",
229 r"\bfpcmp\b", r"\bllvm-PerfectShuffle\b",
230 # Handle these specially as they are strings searched
231 # for during testing.
232 r"\| \bcount\b", r"\| \bnot\b"]:
233 # Extract the tool name from the pattern. This relies on the tool
234 # name being surrounded by \b word match operators. If the
235 # pattern starts with "| ", include it in the string to be
237 substitution = re.sub(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
238 r"\2" + llvm_tools_dir + "/" + r"\4",
241 substitution_ext = substitution + ext
242 if os.path.exists(substitution_ext):
243 substitution = substitution_ext
245 config.substitutions.append((pattern, substitution))
251 config.available_features.add('shell')
254 # FIXME: This should be supplied by Makefile or autoconf.
255 if sys.platform in ['win32', 'cygwin']:
256 loadable_module = (config.enable_shared == 1)
258 loadable_module = True
261 config.available_features.add('loadable_module')
264 if config.lto_is_enabled == "1" and platform.system() == "Darwin":
265 config.available_features.add('lto_on_osx')
268 if config.llvm_use_sanitizer == "Address":
269 config.available_features.add("asan")
270 if (config.llvm_use_sanitizer == "Memory" or
271 config.llvm_use_sanitizer == "MemoryWithOrigins"):
272 config.available_features.add("msan")
274 # Direct object generation
275 if not 'hexagon' in config.target_triple:
276 config.available_features.add("object-emission")
278 if config.have_zlib == "1":
279 config.available_features.add("zlib")
281 # llc knows whether he is compiled with -DNDEBUG.
284 llc_cmd = subprocess.Popen([os.path.join(llvm_tools_dir, 'llc'), '-version'],
285 stdout = subprocess.PIPE)
287 print "Could not find llc in " + llvm_tools_dir
290 if re.search(r'with assertions', llc_cmd.stdout.read()):
291 config.available_features.add('asserts')