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 # Check for 'llvm_site_config' user parameter, and use that if available.
62 site_cfg = lit.params.get('llvm_site_config', None)
63 if site_cfg and os.path.exists(site_cfg):
64 lit.load_config(config, site_cfg)
67 # Try to detect the situation where we are using an out-of-tree build by
68 # looking for 'llvm-config'.
70 # FIXME: I debated (i.e., wrote and threw away) adding logic to
71 # automagically generate the lit.site.cfg if we are in some kind of fresh
72 # build situation. This means knowing how to invoke the build system
73 # though, and I decided it was too much magic.
75 llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
77 lit.fatal('No site specific configuration available!')
79 # Get the source and object roots.
80 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
81 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
83 # Validate that we got a tree which points to here.
84 this_src_root = os.path.dirname(config.test_source_root)
85 if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root):
86 lit.fatal('No site specific configuration available!')
88 # Check that the site specific configuration exists.
89 site_cfg = os.path.join(llvm_obj_root, 'test', 'lit.site.cfg')
90 if not os.path.exists(site_cfg):
91 lit.fatal('No site specific configuration available!')
93 # Okay, that worked. Notify the user of the automagic, and reconfigure.
94 lit.note('using out-of-tree build at %r' % llvm_obj_root)
95 lit.load_config(config, site_cfg)
100 # Load site data from DejaGNU's site.exp.
103 # FIXME: Implement lit.site.cfg.
104 for line in open(os.path.join(config.llvm_obj_root, 'test', 'site.exp')):
105 m = re.match('set ([^ ]+) "([^"]*)"', line)
107 site_exp[m.group(1)] = m.group(2)
110 config.substitutions.append(('%llvmgcc_only', site_exp['llvmgcc']))
111 for sub in ['llvmgcc', 'llvmgxx', 'compile_cxx', 'compile_c',
112 'link', 'shlibext', 'ocamlopt', 'llvmdsymutil', 'llvmlibsdir',
114 if sub in ('llvmgcc', 'llvmgxx'):
115 config.substitutions.append(('%' + sub,
116 site_exp[sub] + ' -emit-llvm -w'))
117 # FIXME: This is a hack to avoid LLVMC tests failing due to a clang driver
118 # warning when passing in "-fexceptions -fno-exceptions".
119 elif sub == 'compile_cxx':
120 config.substitutions.append(('%' + sub,
121 site_exp[sub].replace('-fno-exceptions', '')))
123 config.substitutions.append(('%' + sub, site_exp[sub]))
127 # Provide target_triple for use in XFAIL and XTARGET.
128 config.target_triple = site_exp['target_triplet']
130 # Provide llvm_supports_target for use in local configs.
131 targets = set(site_exp["TARGETS_TO_BUILD"].split())
132 def llvm_supports_target(name):
133 return name in targets
135 def llvm_supports_darwin_and_target(name):
136 return 'darwin' in config.target_triple and llvm_supports_target(name)
138 langs = set(site_exp['llvmgcc_langs'].split(','))
139 def llvm_gcc_supports(name):
142 bindings = set(site_exp['llvm_bindings'].split(','))
143 def llvm_supports_binding(name):
144 return name in bindings
146 # Provide on_clone hook for reading 'dg.exp'.
148 simpleLibData = re.compile(r"""load_lib llvm.exp
150 RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]""",
152 conditionalLibData = re.compile(r"""load_lib llvm.exp
154 if.*\[ ?(llvm[^ ]*) ([^ ]*) ?\].*{
155 *RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]
157 def on_clone(parent, cfg, for_path):
158 def addSuffixes(match):
159 if match[0] == '{' and match[-1] == '}':
160 cfg.suffixes = ['.' + s for s in match[1:-1].split(',')]
162 cfg.suffixes = ['.' + match]
164 libPath = os.path.join(os.path.dirname(for_path),
166 if not os.path.exists(libPath):
167 cfg.unsupported = True
170 # Reset unsupported, in case we inherited it.
171 cfg.unsupported = False
172 lib = open(libPath).read().strip()
174 # Check for a simple library.
175 m = simpleLibData.match(lib)
177 addSuffixes(m.group(1))
180 # Check for a conditional test set.
181 m = conditionalLibData.match(lib)
183 funcname,arg,match = m.groups()
186 func = globals().get(funcname)
188 lit.error('unsupported predicate %r' % funcname)
190 cfg.unsupported = True
192 # Otherwise, give up.
193 lit.error('unable to understand %r:\n%s' % (libPath, lib))
195 config.on_clone = on_clone