import lit.util
from lit.llvm import llvm_config
-from lit.llvm import ToolFilter
# Configuration file for the 'lit' test runner.
if config.clang_examples:
config.available_features.add('examples')
-builtin_include_dir = llvm_config.get_clang_builtin_include_dir(config.clang)
+# Note that when substituting %clang_cc1 also fill in the include directory of
+# the builtin headers. Those are part of even a freestanding environment, but
+# Clang relies on the driver to locate them.
+def getClangBuiltinIncludeDir(clang):
+ # FIXME: Rather than just getting the version, we should have clang print
+ # out its resource dir here in an easy to scrape form.
+ cmd = subprocess.Popen([clang, '-print-file-name=include'],
+ stdout=subprocess.PIPE,
+ env=config.environment)
+ if not cmd.stdout:
+ lit_config.fatal("Couldn't find the include dir for Clang ('%s')" % clang)
+ dir = cmd.stdout.read().strip()
+ if sys.platform in ['win32'] and not llvm_config.use_lit_shell:
+ # Don't pass dosish path separator to msys bash.exe.
+ dir = dir.replace('\\', '/')
+ # Ensure the result is an ascii string, across Python2.5+ - Python3.
+ return str(dir.decode('ascii'))
+
+def makeItaniumABITriple(triple):
+ m = re.match(r'(\w+)-(\w+)-(\w+)', triple)
+ if not m:
+ lit_config.fatal("Could not turn '%s' into Itanium ABI triple" % triple)
+ if m.group(3).lower() != 'win32':
+ # All non-win32 triples use the Itanium ABI.
+ return triple
+ return m.group(1) + '-' + m.group(2) + '-mingw32'
+
+def makeMSABITriple(triple):
+ m = re.match(r'(\w+)-(\w+)-(\w+)', triple)
+ if not m:
+ lit_config.fatal("Could not turn '%s' into MS ABI triple" % triple)
+ isa = m.group(1).lower()
+ vendor = m.group(2).lower()
+ os = m.group(3).lower()
+ if os == 'win32':
+ # If the OS is win32, we're done.
+ return triple
+ if isa.startswith('x86') or isa == 'amd64' or re.match(r'i\d86', isa):
+ # For x86 ISAs, adjust the OS.
+ return isa + '-' + vendor + '-win32'
+ # -win32 is not supported for non-x86 targets; use a default.
+ return 'i686-pc-win32'
+
config.substitutions.append( ('%clang_analyze_cc1',
'%clang_cc1 -analyze %analyze') )
config.substitutions.append( ('%clang_cc1',
'%s -cc1 -internal-isystem %s -nostdsysteminc'
- % (config.clang, builtin_include_dir)) )
+ % (config.clang,
+ getClangBuiltinIncludeDir(config.clang))) )
config.substitutions.append( ('%clang_cpp', ' ' + config.clang +
' --driver-mode=cpp '))
config.substitutions.append( ('%clang_cl', ' ' + config.clang +
config.substitutions.append( ('%clangxx', ' ' + config.clang +
' --driver-mode=g++ '))
config.substitutions.append( ('%clang', ' ' + config.clang + ' ') )
-config.substitutions.append( ('%test_debuginfo',
- ' ' + config.llvm_src_root + '/utils/test_debuginfo.pl ') )
-config.substitutions.append( ('%itanium_abi_triple',
- llvm_config.make_itanium_abi_triple(config.target_triple)) )
-config.substitutions.append( ('%ms_abi_triple',
- llvm_config.make_msabi_triple(config.target_triple)) )
-config.substitutions.append( ('%resource_dir', builtin_include_dir) )
+config.substitutions.append( ('%test_debuginfo', ' ' + config.llvm_src_root + '/utils/test_debuginfo.pl ') )
+config.substitutions.append( ('%itanium_abi_triple', makeItaniumABITriple(config.target_triple)) )
+config.substitutions.append( ('%ms_abi_triple', makeMSABITriple(config.target_triple)) )
+config.substitutions.append( ('%resource_dir', getClangBuiltinIncludeDir(config.clang)) )
config.substitutions.append( ('%python', config.python_executable) )
# The host triple might not be set, at least if we're compiling clang from
# an already installed llvm.
if config.host_triple and config.host_triple != '@LLVM_HOST_TRIPLE@':
- config.substitutions.append( ('%target_itanium_abi_host_triple',
- '--target=%s' % llvm_config.make_itanium_abi_triple(config.host_triple)) )
+ config.substitutions.append( ('%target_itanium_abi_host_triple', '--target=%s' % makeItaniumABITriple(config.host_triple)) )
else:
config.substitutions.append( ('%target_itanium_abi_host_triple', '') )
(' %clang-cl ',
"""*** invalid substitution, use '%clang_cl'. ***""") )
-# For each occurrence of a clang tool name, replace it with the full path to
-# the build directory holding that tool. We explicitly specify the directories
-# to search to ensure that we get the tools just built and not some random
+# For each occurrence of a clang tool name as its own word, replace it
+# with the full path to the build directory holding that tool. This
+# ensures that we are testing the tools just built and not some random
# tools that might happen to be in the user's PATH.
-tool_dirs = [config.clang_tools_dir, config.llvm_tools_dir]
-
-tool_patterns = [
- 'FileCheck', 'c-index-test',
- ToolFilter('clang-check', pre='-.', post='-.'),
- ToolFilter('clang-diff', pre='-.', post='-.'),
- ToolFilter('clang-format', pre='-.', post='-.'),
- # FIXME: Some clang test uses opt?
- ToolFilter('opt', pre='-.', post=r'/\-.'),
- # Handle these specially as they are strings searched for during testing.
- ToolFilter(r'\| \bcount\b', verbatim=True),
- ToolFilter(r'\| \bnot\b', verbatim=True)]
+tool_dirs = os.path.pathsep.join((config.clang_tools_dir, config.llvm_tools_dir))
+
+# Regex assertions to reject neighbor hyphens/dots (seen in some tests).
+# For example, don't match 'clang-check-' or '.clang-format'.
+NoPreHyphenDot = r"(?<!(-|\.))"
+NoPostHyphenDot = r"(?!(-|\.))"
+NoPostBar = r"(?!(/|\\))"
+
+tool_patterns = [r"\bFileCheck\b",
+ r"\bc-index-test\b",
+ NoPreHyphenDot + r"\bclang-check\b" + NoPostHyphenDot,
+ NoPreHyphenDot + r"\bclang-diff\b" + NoPostHyphenDot,
+ NoPreHyphenDot + r"\bclang-format\b" + NoPostHyphenDot,
+ # FIXME: Some clang test uses opt?
+ NoPreHyphenDot + r"\bopt\b" + NoPostBar + NoPostHyphenDot,
+ # Handle these specially as they are strings searched
+ # for during testing.
+ r"\| \bcount\b",
+ r"\| \bnot\b"]
if config.clang_examples:
- tool_patterns.append(ToolFilter('clang-interpreter', '-.', '-.'))
-
-llvm_config.add_tool_substitutions(tool_patterns, tool_dirs)
+ tool_patterns.append(NoPreHyphenDot + r"\bclang-interpreter\b" + NoPostHyphenDot)
+
+for pattern in tool_patterns:
+ # Extract the tool name from the pattern. This relies on the tool
+ # name being surrounded by \b word match operators. If the
+ # pattern starts with "| ", include it in the string to be
+ # substituted.
+ tool_match = re.match(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
+ pattern)
+ tool_pipe = tool_match.group(2)
+ tool_name = tool_match.group(4)
+ tool_path = lit.util.which(tool_name, tool_dirs)
+ if not tool_path:
+ # Warn, but still provide a substitution.
+ lit_config.note('Did not find ' + tool_name + ' in ' + tool_dirs)
+ tool_path = config.clang_tools_dir + '/' + tool_name
+ config.substitutions.append((pattern, tool_pipe + tool_path))
+
+###
# Set available features we allow tests to conditionalize on.
#
projects / clang / commitdiff