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)
43 if not llvm_tools_dir:
44 lit.fatal('No llvm-gcc dir set!')
46 path = os.path.pathsep.join((os.path.join(llvmgcc_dir, 'bin'),
47 config.environment['PATH']))
48 config.environment['PATH'] = path
54 # Check that the object root is known.
55 if config.test_exec_root is None:
56 # Otherwise, we haven't loaded the site specific configuration (the user is
57 # probably trying to run on a test file directly, and either the site
58 # configuration hasn't been created by the build system, or we are in an
59 # out-of-tree build situation).
61 # Try to detect the situation where we are using an out-of-tree build by
62 # looking for 'llvm-config'.
64 # FIXME: I debated (i.e., wrote and threw away) adding logic to
65 # automagically generate the lit.site.cfg if we are in some kind of fresh
66 # build situation. This means knowing how to invoke the build system
67 # though, and I decided it was too much magic.
69 llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
71 lit.fatal('No site specific configuration available!')
73 # Get the source and object roots.
74 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
75 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
77 # Validate that we got a tree which points to here.
78 this_src_root = os.path.dirname(config.test_source_root)
79 if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root):
80 lit.fatal('No site specific configuration available!')
82 # Check that the site specific configuration exists.
83 site_cfg = os.path.join(llvm_obj_root, 'test', 'lit.site.cfg')
84 if not os.path.exists(site_cfg):
85 lit.fatal('No site specific configuration available!')
87 # Okay, that worked. Notify the user of the automagic, and reconfigure.
88 lit.note('using out-of-tree build at %r' % llvm_obj_root)
89 lit.load_config(config, site_cfg)
94 # Load site data from DejaGNU's site.exp.
97 # FIXME: Implement lit.site.cfg.
98 for line in open(os.path.join(config.llvm_obj_root, 'test', 'site.exp')):
99 m = re.match('set ([^ ]+) "([^"]*)"', line)
101 site_exp[m.group(1)] = m.group(2)
104 config.substitutions.append(('%llvmgcc_only', site_exp['llvmgcc']))
105 for sub in ['llvmgcc', 'llvmgxx', 'compile_cxx', 'compile_c',
106 'link', 'shlibext', 'ocamlopt', 'llvmdsymutil', 'llvmlibsdir',
108 if sub in ('llvmgcc', 'llvmgxx'):
109 config.substitutions.append(('%' + sub,
110 site_exp[sub] + ' -emit-llvm -w'))
112 config.substitutions.append(('%' + sub, site_exp[sub]))
116 # Provide target_triple for use in XFAIL and XTARGET.
117 config.target_triple = site_exp['target_triplet']
119 # Provide llvm_supports_target for use in local configs.
120 targets = set(site_exp["TARGETS_TO_BUILD"].split())
121 def llvm_supports_target(name):
122 return name in targets
124 langs = set(site_exp['llvmgcc_langs'].split(','))
125 def llvm_gcc_supports(name):
128 bindings = set(site_exp['llvm_bindings'].split(','))
129 def llvm_supports_binding(name):
132 # Provide on_clone hook for reading 'dg.exp'.
134 simpleLibData = re.compile(r"""load_lib llvm.exp
136 RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]""",
138 conditionalLibData = re.compile(r"""load_lib llvm.exp
140 if.*\[ ?(llvm[^ ]*) ([^ ]*) ?\].*{
141 *RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]
143 def on_clone(parent, cfg, for_path):
144 def addSuffixes(match):
145 if match[0] == '{' and match[-1] == '}':
146 cfg.suffixes = ['.' + s for s in match[1:-1].split(',')]
148 cfg.suffixes = ['.' + match]
150 libPath = os.path.join(os.path.dirname(for_path),
152 if not os.path.exists(libPath):
153 cfg.unsupported = True
156 # Reset unsupported, in case we inherited it.
157 cfg.unsupported = False
158 lib = open(libPath).read().strip()
160 # Check for a simple library.
161 m = simpleLibData.match(lib)
163 addSuffixes(m.group(1))
166 # Check for a conditional test set.
167 m = conditionalLibData.match(lib)
169 funcname,arg,match = m.groups()
172 func = globals().get(funcname)
174 lit.error('unsupported predicate %r' % funcname)
176 cfg.unsupported = True
178 # Otherwise, give up.
179 lit.error('unable to understand %r:\n%s' % (libPath, lib))
181 config.on_clone = on_clone