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Daniel Dunbar1db467f2009-07-31 05:54:17 +00001# -*- Python -*-
2
Daniel Dunbar5e01e3c2009-09-22 05:16:02 +00003import os
Daniel Dunbarb850ddd2009-09-22 10:08:03 +00004import platform
Daniel Dunbar724827f2009-09-08 16:39:23 +00005
Daniel Dunbar1db467f2009-07-31 05:54:17 +00006# Configuration file for the 'lit' test runner.
7
Daniel Dunbar5e01e3c2009-09-22 05:16:02 +00008# name: The name of this test suite.
9config.name = 'Clang'
Daniel Dunbar724827f2009-09-08 16:39:23 +000010
NAKAMURA Takumi98af1ac2011-02-09 04:19:57 +000011# Tweak PATH for Win32
12if platform.system() == 'Windows':
13 # Seek sane tools in directories and set to $PATH.
14 path = getattr(config, 'lit_tools_dir', None)
15 path = lit.getToolsPath(path,
16 config.environment['PATH'],
17 ['cmp.exe', 'grep.exe', 'sed.exe'])
18 if path is not None:
19 path = os.path.pathsep.join((path,
20 config.environment['PATH']))
21 config.environment['PATH'] = path
22
Daniel Dunbar5e01e3c2009-09-22 05:16:02 +000023# testFormat: The test format to use to interpret tests.
Daniel Dunbar1db467f2009-07-31 05:54:17 +000024#
Daniel Dunbar5e01e3c2009-09-22 05:16:02 +000025# For now we require '&&' between commands, until they get globally killed and
26# the test runner updated.
NAKAMURA Takumi9085e6f2011-03-05 11:16:06 +000027execute_external = (platform.system() != 'Windows'
28 or lit.getBashPath() not in [None, ""])
Daniel Dunbarbc20ef32009-11-08 01:47:35 +000029config.test_format = lit.formats.ShTest(execute_external)
Daniel Dunbar6827f3f2009-09-06 01:31:12 +000030
Daniel Dunbar5e01e3c2009-09-22 05:16:02 +000031# suffixes: A list of file extensions to treat as test files.
Peter Collingbournee2f82f72011-02-11 19:59:54 +000032config.suffixes = ['.c', '.cpp', '.m', '.mm', '.cu', '.ll', '.cl']
Daniel Dunbar5e01e3c2009-09-22 05:16:02 +000033
34# test_source_root: The root path where tests are located.
35config.test_source_root = os.path.dirname(__file__)
36
37# test_exec_root: The root path where tests should be run.
38clang_obj_root = getattr(config, 'clang_obj_root', None)
39if clang_obj_root is not None:
40 config.test_exec_root = os.path.join(clang_obj_root, 'test')
41
42# Set llvm_{src,obj}_root for use by others.
43config.llvm_src_root = getattr(config, 'llvm_src_root', None)
44config.llvm_obj_root = getattr(config, 'llvm_obj_root', None)
45
46# Tweak the PATH to include the tools dir and the scripts dir.
47if clang_obj_root is not None:
48 llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
49 if not llvm_tools_dir:
50 lit.fatal('No LLVM tools dir set!')
Daniel Dunbaree45d6d2009-09-24 06:31:08 +000051 path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
Daniel Dunbar5e01e3c2009-09-22 05:16:02 +000052 config.environment['PATH'] = path
53
Daniel Dunbar9e10cc72009-09-26 07:36:09 +000054 llvm_libs_dir = getattr(config, 'llvm_libs_dir', None)
55 if not llvm_libs_dir:
56 lit.fatal('No LLVM libs dir set!')
57 path = os.path.pathsep.join((llvm_libs_dir,
58 config.environment.get('LD_LIBRARY_PATH','')))
59 config.environment['LD_LIBRARY_PATH'] = path
60
Daniel Dunbar5e01e3c2009-09-22 05:16:02 +000061###
62
63# Check that the object root is known.
64if config.test_exec_root is None:
65 # Otherwise, we haven't loaded the site specific configuration (the user is
66 # probably trying to run on a test file directly, and either the site
67 # configuration hasn't been created by the build system, or we are in an
68 # out-of-tree build situation).
69
Daniel Dunbarb258d8f2009-11-05 16:36:19 +000070 # Check for 'clang_site_config' user parameter, and use that if available.
71 site_cfg = lit.params.get('clang_site_config', None)
72 if site_cfg and os.path.exists(site_cfg):
73 lit.load_config(config, site_cfg)
74 raise SystemExit
75
Daniel Dunbar5e01e3c2009-09-22 05:16:02 +000076 # Try to detect the situation where we are using an out-of-tree build by
77 # looking for 'llvm-config'.
78 #
79 # FIXME: I debated (i.e., wrote and threw away) adding logic to
80 # automagically generate the lit.site.cfg if we are in some kind of fresh
Daniel Dunbar23354212009-11-07 23:53:17 +000081 # build situation. This means knowing how to invoke the build system though,
82 # and I decided it was too much magic. We should solve this by just having
83 # the .cfg files generated during the configuration step.
Daniel Dunbar5e01e3c2009-09-22 05:16:02 +000084
85 llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
86 if not llvm_config:
87 lit.fatal('No site specific configuration available!')
88
89 # Get the source and object roots.
90 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
91 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
92 clang_src_root = os.path.join(llvm_src_root, "tools", "clang")
93 clang_obj_root = os.path.join(llvm_obj_root, "tools", "clang")
94
95 # Validate that we got a tree which points to here, using the standard
96 # tools/clang layout.
97 this_src_root = os.path.dirname(config.test_source_root)
98 if os.path.realpath(clang_src_root) != os.path.realpath(this_src_root):
99 lit.fatal('No site specific configuration available!')
100
101 # Check that the site specific configuration exists.
102 site_cfg = os.path.join(clang_obj_root, 'test', 'lit.site.cfg')
103 if not os.path.exists(site_cfg):
Nico Weberb4a88ef2010-09-27 20:40:32 +0000104 lit.fatal('No site specific configuration available! You may need to '
105 'run "make test" in your Clang build directory.')
Daniel Dunbar5e01e3c2009-09-22 05:16:02 +0000106
107 # Okay, that worked. Notify the user of the automagic, and reconfigure.
108 lit.note('using out-of-tree build at %r' % clang_obj_root)
109 lit.load_config(config, site_cfg)
110 raise SystemExit
111
112###
113
114# Discover the 'clang' and 'clangcc' to use.
115
116import os
117
118def inferClang(PATH):
119 # Determine which clang to use.
120 clang = os.getenv('CLANG')
121
122 # If the user set clang in the environment, definitely use that and don't
123 # try to validate.
124 if clang:
125 return clang
126
127 # Otherwise look in the path.
128 clang = lit.util.which('clang', PATH)
129
130 if not clang:
131 lit.fatal("couldn't find 'clang' program, try setting "
132 "CLANG in your environment")
133
134 return clang
135
Daniel Dunbare1fa0962010-03-20 21:13:08 +0000136# When running under valgrind, we mangle '-vg' onto the end of the triple so we
137# can check it with XFAIL and XTARGET.
138if lit.useValgrind:
139 config.target_triple += '-vg'
140
NAKAMURA Takumi9085e6f2011-03-05 11:16:06 +0000141config.clang = inferClang(config.environment['PATH']).replace('\\', '/')
Daniel Dunbar5e01e3c2009-09-22 05:16:02 +0000142if not lit.quiet:
143 lit.note('using clang: %r' % config.clang)
Daniel Dunbara5728872009-12-15 20:14:24 +0000144config.substitutions.append( ('%clang_cc1', config.clang + ' -cc1') )
Daniel Dunbar9fde9c42010-06-29 16:52:24 +0000145config.substitutions.append( ('%clangxx', ' ' + config.clang +
146 ' -ccc-clang-cxx -ccc-cxx '))
Daniel Dunbar80737ad2009-12-15 22:01:24 +0000147config.substitutions.append( ('%clang', ' ' + config.clang + ' ') )
Devang Patel8c6b9132010-09-13 20:46:23 +0000148config.substitutions.append( ('%test_debuginfo', ' ' + config.llvm_src_root + '/utils/test_debuginfo.pl ') )
Daniel Dunbara5728872009-12-15 20:14:24 +0000149
Daniel Dunbar80737ad2009-12-15 22:01:24 +0000150# FIXME: Find nicer way to prohibit this.
151config.substitutions.append(
152 (' clang ', """*** Do not use 'clang' in tests, use '%clang'. ***""") )
153config.substitutions.append(
David Greene431feb52011-01-03 17:28:52 +0000154 (' clang\+\+ ', """*** Do not use 'clang++' in tests, use '%clangxx'. ***"""))
Daniel Dunbar679d6052010-02-17 20:31:01 +0000155config.substitutions.append(
Daniel Dunbar80737ad2009-12-15 22:01:24 +0000156 (' clang-cc ',
157 """*** Do not use 'clang-cc' in tests, use '%clang_cc1'. ***""") )
158config.substitutions.append(
159 (' clang -cc1 ',
160 """*** Do not use 'clang -cc1' in tests, use '%clang_cc1'. ***""") )
Daniel Dunbar9fde9c42010-06-29 16:52:24 +0000161config.substitutions.append(
162 (' %clang-cc1 ',
163 """*** invalid substitution, use '%clang_cc1'. ***""") )
Daniel Dunbardb918642010-08-24 21:39:55 +0000164
165###
166
167# Set available features we allow tests to conditionalize on.
168if platform.system() != 'Windows':
169 config.available_features.add('crash-recovery')
NAKAMURA Takumief34d772011-02-28 09:41:07 +0000170
171# Shell execution
172if platform.system() not in ['Windows'] or lit.getBashPath() != '':
173 config.available_features.add('shell')
Galina Kistanovaee226972011-06-03 18:36:30 +0000174
175# Registered Targets
176import subprocess
177import re
178import os
179
180def getRegisteredTargets(tool):
181 set_of_targets = set()
182
183 cmd = subprocess.Popen([tool, '-version'], stdout=subprocess.PIPE)
184
185 # Parse the stdout to get the list of registered targets.
186 parse_targets = False
187 for line in cmd.stdout:
188 if parse_targets:
189 m = re.match( r'(.*) - ', line)
190 if m is not None:
191 set_of_targets.add(m.group(1).strip() + '-registered-target')
192 else:
193 break
194 elif "Registered Targets:" in line:
195 parse_targets = True
196
197 return set_of_targets
198
199registered_targets = getRegisteredTargets(os.path.join(llvm_tools_dir, 'llc'))
200if len(registered_targets) > 0:
201 config.available_features.update(registered_targets)
202else:
203 lit.fatal('No Targets Registered with the LLVM Tools!')