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')
29 # Check that the object root is known.
30 if config.test_exec_root is None:
31 # Otherwise, we haven't loaded the site specific configuration (the user is
32 # probably trying to run on a test file directly, and either the site
33 # configuration hasn't been created by the build system, or we are in an
34 # out-of-tree build situation).
36 # Try to detect the situation where we are using an out-of-tree build by
37 # looking for 'llvm-config'.
39 # FIXME: I debated (i.e., wrote and threw away) adding logic to
40 # automagically generate the lit.site.cfg if we are in some kind of fresh
41 # build situation. This means knowing how to invoke the build system
42 # though, and I decided it was too much magic.
44 llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
46 lit.fatal('No site specific configuration available!')
48 # Get the source and object roots.
49 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
50 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
52 # Validate that we got a tree which points to here.
53 this_src_root = os.path.dirname(config.test_source_root)
54 if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root):
55 lit.fatal('No site specific configuration available!')
57 # Check that the site specific configuration exists.
58 site_cfg = os.path.join(llvm_obj_root, 'test', 'lit.site.cfg')
59 if not os.path.exists(site_cfg):
60 lit.fatal('No site specific configuration available!')
62 # Okay, that worked. Notify the user of the automagic, and reconfigure.
63 lit.note('using out-of-tree build at %r' % llvm_obj_root)
64 lit.load_config(config, site_cfg)
69 # Load site data from DejaGNU's site.exp.
72 # FIXME: Implement lit.site.cfg.
73 for line in open(os.path.join(config.llvm_obj_root, 'test', 'site.exp')):
74 m = re.match('set ([^ ]+) "([^"]*)"', line)
76 site_exp[m.group(1)] = m.group(2)
79 for sub in ['llvmgcc', 'llvmgxx', 'compile_cxx', 'compile_c',
80 'link', 'shlibext', 'ocamlopt', 'llvmdsymutil', 'llvmlibsdir',
82 if sub in ('llvmgcc', 'llvmgxx'):
83 config.substitutions.append(('%' + sub,
84 site_exp[sub] + ' -emit-llvm -w'))
86 config.substitutions.append(('%' + sub, site_exp[sub]))
90 # Provide target_triple for use in XFAIL and XTARGET.
91 config.target_triple = site_exp['target_triplet']
93 # Provide llvm_supports_target for use in local configs.
94 targets = set(site_exp["TARGETS_TO_BUILD"].split())
95 def llvm_supports_target(name):
96 return name in targets
98 langs = set(site_exp['llvmgcc_langs'].split(','))
99 def llvm_gcc_supports(name):
102 bindings = set(site_exp['llvm_bindings'].split(','))
103 def llvm_supports_binding(name):
106 # Provide on_clone hook for reading 'dg.exp'.
108 simpleLibData = re.compile(r"""load_lib llvm.exp
110 RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]""",
112 conditionalLibData = re.compile(r"""load_lib llvm.exp
114 if.*\[ ?(llvm[^ ]*) ([^ ]*) ?\].*{
115 *RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]
117 def on_clone(parent, cfg, for_path):
118 def addSuffixes(match):
119 if match[0] == '{' and match[-1] == '}':
120 cfg.suffixes = ['.' + s for s in match[1:-1].split(',')]
122 cfg.suffixes = ['.' + match]
124 libPath = os.path.join(os.path.dirname(for_path),
126 if not os.path.exists(libPath):
127 cfg.unsupported = True
130 # Reset unsupported, in case we inherited it.
131 cfg.unsupported = False
132 lib = open(libPath).read().strip()
134 # Check for a simple library.
135 m = simpleLibData.match(lib)
137 addSuffixes(m.group(1))
140 # Check for a conditional test set.
141 m = conditionalLibData.match(lib)
143 funcname,arg,match = m.groups()
146 func = globals().get(funcname)
148 lit.error('unsupported predicate %r' % funcname)
150 cfg.unsupported = True
152 # Otherwise, give up.
153 lit.error('unable to understand %r:\n%s' % (libPath, lib))
155 config.on_clone = on_clone