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 # Propogate 'HOME' through the environment.
49 config.environment['HOME'] = os.environ['HOME']
55 # Check that the object root is known.
56 if config.test_exec_root is None:
57 # Otherwise, we haven't loaded the site specific configuration (the user is
58 # probably trying to run on a test file directly, and either the site
59 # configuration hasn't been created by the build system, or we are in an
60 # out-of-tree build situation).
62 # Check for 'llvm_site_config' user parameter, and use that if available.
63 site_cfg = lit.params.get('llvm_site_config', None)
64 if site_cfg and os.path.exists(site_cfg):
65 lit.load_config(config, site_cfg)
68 # Try to detect the situation where we are using an out-of-tree build by
69 # looking for 'llvm-config'.
71 # FIXME: I debated (i.e., wrote and threw away) adding logic to
72 # automagically generate the lit.site.cfg if we are in some kind of fresh
73 # build situation. This means knowing how to invoke the build system
74 # though, and I decided it was too much magic.
76 llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
78 lit.fatal('No site specific configuration available!')
80 # Get the source and object roots.
81 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
82 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
84 # Validate that we got a tree which points to here.
85 this_src_root = os.path.dirname(config.test_source_root)
86 if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root):
87 lit.fatal('No site specific configuration available!')
89 # Check that the site specific configuration exists.
90 site_cfg = os.path.join(llvm_obj_root, 'test', 'lit.site.cfg')
91 if not os.path.exists(site_cfg):
92 lit.fatal('No site specific configuration available!')
94 # Okay, that worked. Notify the user of the automagic, and reconfigure.
95 lit.note('using out-of-tree build at %r' % llvm_obj_root)
96 lit.load_config(config, site_cfg)
101 # Load site data from DejaGNU's site.exp.
104 # FIXME: Implement lit.site.cfg.
105 for line in open(os.path.join(config.llvm_obj_root, 'test', 'site.exp')):
106 m = re.match('set ([^ ]+) "([^"]*)"', line)
108 site_exp[m.group(1)] = m.group(2)
111 config.substitutions.append(('%llvmgcc_only', site_exp['llvmgcc']))
112 for sub in ['llvmgcc', 'llvmgxx', 'compile_cxx', 'compile_c',
113 'link', 'shlibext', 'ocamlopt', 'llvmdsymutil', 'llvmlibsdir',
115 if sub in ('llvmgcc', 'llvmgxx'):
116 config.substitutions.append(('%' + sub,
117 site_exp[sub] + ' -emit-llvm -w'))
118 # FIXME: This is a hack to avoid LLVMC tests failing due to a clang driver
119 # warning when passing in "-fexceptions -fno-exceptions".
120 elif sub == 'compile_cxx':
121 config.substitutions.append(('%' + sub,
122 site_exp[sub].replace('-fno-exceptions', '')))
124 config.substitutions.append(('%' + sub, site_exp[sub]))
128 # Provide target_triple for use in XFAIL and XTARGET.
129 config.target_triple = site_exp['target_triplet']
131 # Provide llvm_supports_target for use in local configs.
132 targets = set(site_exp["TARGETS_TO_BUILD"].split())
133 def llvm_supports_target(name):
134 return name in targets
136 def llvm_supports_darwin_and_target(name):
137 return 'darwin' in config.target_triple and llvm_supports_target(name)
139 langs = set(site_exp['llvmgcc_langs'].split(','))
140 def llvm_gcc_supports(name):
143 bindings = set(site_exp['llvm_bindings'].split(','))
144 def llvm_supports_binding(name):
145 return name in bindings
147 # Provide on_clone hook for reading 'dg.exp'.
149 simpleLibData = re.compile(r"""load_lib llvm.exp
151 RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]""",
153 conditionalLibData = re.compile(r"""load_lib llvm.exp
155 if.*\[ ?(llvm[^ ]*) ([^ ]*) ?\].*{
156 *RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]
158 def on_clone(parent, cfg, for_path):
159 def addSuffixes(match):
160 if match[0] == '{' and match[-1] == '}':
161 cfg.suffixes = ['.' + s for s in match[1:-1].split(',')]
163 cfg.suffixes = ['.' + match]
165 libPath = os.path.join(os.path.dirname(for_path),
167 if not os.path.exists(libPath):
168 cfg.unsupported = True
171 # Reset unsupported, in case we inherited it.
172 cfg.unsupported = False
173 lib = open(libPath).read().strip()
175 # Check for a simple library.
176 m = simpleLibData.match(lib)
178 addSuffixes(m.group(1))
181 # Check for a conditional test set.
182 m = conditionalLibData.match(lib)
184 funcname,arg,match = m.groups()
187 func = globals().get(funcname)
189 lit.error('unsupported predicate %r' % funcname)
191 cfg.unsupported = True
193 # Otherwise, give up.
194 lit.error('unable to understand %r:\n%s' % (libPath, lib))
196 config.on_clone = on_clone