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Diffstat (limited to 'clang/test/lit.cfg')
| -rw-r--r-- | clang/test/lit.cfg | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/clang/test/lit.cfg b/clang/test/lit.cfg new file mode 100644 index 0000000..738dc38 --- /dev/null +++ b/clang/test/lit.cfg @@ -0,0 +1,257 @@ +# -*- Python -*- + +import os +import platform +import re +import subprocess + + +# Configuration file for the 'lit' test runner. + +# name: The name of this test suite. +config.name = 'Clang' + +# Tweak PATH for Win32 +if platform.system() == 'Windows': + # Seek sane tools in directories and set to $PATH. + path = getattr(config, 'lit_tools_dir', None) + path = lit.getToolsPath(path, + config.environment['PATH'], + ['cmp.exe', 'grep.exe', 'sed.exe']) + if path is not None: + path = os.path.pathsep.join((path, + config.environment['PATH'])) + config.environment['PATH'] = path + +# testFormat: The test format to use to interpret tests. +# +# For now we require '&&' between commands, until they get globally killed and +# the test runner updated. +execute_external = (platform.system() != 'Windows' + or lit.getBashPath() not in [None, ""]) +config.test_format = lit.formats.ShTest(execute_external) + +# suffixes: A list of file extensions to treat as test files. +config.suffixes = ['.c', '.cpp', '.m', '.mm', '.cu', '.ll', '.cl', '.s'] + +# test_source_root: The root path where tests are located. +config.test_source_root = os.path.dirname(__file__) + +# test_exec_root: The root path where tests should be run. +clang_obj_root = getattr(config, 'clang_obj_root', None) +if clang_obj_root is not None: + config.test_exec_root = os.path.join(clang_obj_root, 'test') + +# Set llvm_{src,obj}_root for use by others. +config.llvm_src_root = getattr(config, 'llvm_src_root', None) +config.llvm_obj_root = getattr(config, 'llvm_obj_root', None) + +# Clear some environment variables that might affect Clang. +# +# This first set of vars are read by Clang, but shouldn't affect tests +# that aren't specifically looking for these features, or are required +# simply to run the tests at all. +# +# FIXME: Should we have a tool that enforces this? + +# safe_env_vars = ('TMPDIR', 'TEMP', 'TMP', 'USERPROFILE', 'PWD', +# 'MACOSX_DEPLOYMENT_TARGET', 'IPHONEOS_DEPLOYMENT_TARGET', +# 'IOS_SIMULATOR_DEPLOYMENT_TARGET', +# 'VCINSTALLDIR', 'VC100COMNTOOLS', 'VC90COMNTOOLS', +# 'VC80COMNTOOLS') +possibly_dangerous_env_vars = ['COMPILER_PATH', 'RC_DEBUG_OPTIONS', + 'CINDEXTEST_PREAMBLE_FILE', 'LIBRARY_PATH', + 'CPATH', 'C_INCLUDE_PATH', 'CPLUS_INCLUDE_PATH', + 'OBJC_INCLUDE_PATH', 'OBJCPLUS_INCLUDE_PATH', + 'LIBCLANG_TIMING', 'LIBCLANG_OBJTRACKING', + 'LIBCLANG_LOGGING', 'LIBCLANG_BGPRIO_INDEX', + 'LIBCLANG_BGPRIO_EDIT', 'LIBCLANG_NOTHREADS', + 'LIBCLANG_RESOURCE_USAGE', + 'LIBCLANG_CODE_COMPLETION_LOGGING'] +# Clang/Win32 may refer to %INCLUDE%. vsvarsall.bat sets it. +if platform.system() != 'Windows': + possibly_dangerous_env_vars.append('INCLUDE') +for name in possibly_dangerous_env_vars: + if name in config.environment: + del config.environment[name] + +# Tweak the PATH to include the tools dir and the scripts dir. +if clang_obj_root is not None: + llvm_tools_dir = getattr(config, 'llvm_tools_dir', None) + if not llvm_tools_dir: + lit.fatal('No LLVM tools dir set!') + path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH'])) + config.environment['PATH'] = path + + llvm_libs_dir = getattr(config, 'llvm_libs_dir', None) + if not llvm_libs_dir: + lit.fatal('No LLVM libs dir set!') + path = os.path.pathsep.join((llvm_libs_dir, + config.environment.get('LD_LIBRARY_PATH',''))) + config.environment['LD_LIBRARY_PATH'] = path + +### + +# Check that the object root is known. +if config.test_exec_root is None: + # Otherwise, we haven't loaded the site specific configuration (the user is + # probably trying to run on a test file directly, and either the site + # configuration hasn't been created by the build system, or we are in an + # out-of-tree build situation). + + # Check for 'clang_site_config' user parameter, and use that if available. + site_cfg = lit.params.get('clang_site_config', None) + if site_cfg and os.path.exists(site_cfg): + lit.load_config(config, site_cfg) + raise SystemExit + + # Try to detect the situation where we are using an out-of-tree build by + # looking for 'llvm-config'. + # + # FIXME: I debated (i.e., wrote and threw away) adding logic to + # automagically generate the lit.site.cfg if we are in some kind of fresh + # build situation. This means knowing how to invoke the build system though, + # and I decided it was too much magic. We should solve this by just having + # the .cfg files generated during the configuration step. + + llvm_config = lit.util.which('llvm-config', config.environment['PATH']) + if not llvm_config: + lit.fatal('No site specific configuration available!') + + # Get the source and object roots. + llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip() + llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip() + clang_src_root = os.path.join(llvm_src_root, "tools", "clang") + clang_obj_root = os.path.join(llvm_obj_root, "tools", "clang") + + # Validate that we got a tree which points to here, using the standard + # tools/clang layout. + this_src_root = os.path.dirname(config.test_source_root) + if os.path.realpath(clang_src_root) != os.path.realpath(this_src_root): + lit.fatal('No site specific configuration available!') + + # Check that the site specific configuration exists. + site_cfg = os.path.join(clang_obj_root, 'test', 'lit.site.cfg') + if not os.path.exists(site_cfg): + lit.fatal('No site specific configuration available! You may need to ' + 'run "make test" in your Clang build directory.') + + # Okay, that worked. Notify the user of the automagic, and reconfigure. + lit.note('using out-of-tree build at %r' % clang_obj_root) + lit.load_config(config, site_cfg) + raise SystemExit + +### + +# Discover the 'clang' and 'clangcc' to use. + +import os + +def inferClang(PATH): + # Determine which clang to use. + clang = os.getenv('CLANG') + + # If the user set clang in the environment, definitely use that and don't + # try to validate. + if clang: + return clang + + # Otherwise look in the path. + clang = lit.util.which('clang', PATH) + + if not clang: + lit.fatal("couldn't find 'clang' program, try setting " + "CLANG in your environment") + + return clang + +# When running under valgrind, we mangle '-vg' onto the end of the triple so we +# can check it with XFAIL and XTARGET. +if lit.useValgrind: + config.target_triple += '-vg' + +config.clang = inferClang(config.environment['PATH']).replace('\\', '/') +if not lit.quiet: + lit.note('using clang: %r' % 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) + if not cmd.stdout: + lit.fatal("Couldn't find the include dir for Clang ('%s')" % clang) + return cmd.stdout.read().strip() + +config.substitutions.append( ('%clang_cc1', '%s -cc1 -internal-isystem %s' + % (config.clang, + getClangBuiltinIncludeDir(config.clang))) ) + +config.substitutions.append( ('%clangxx', ' ' + config.clang + + ' -ccc-clang-cxx -ccc-cxx ')) +config.substitutions.append( ('%clang', ' ' + config.clang + ' ') ) +config.substitutions.append( ('%test_debuginfo', ' ' + config.llvm_src_root + '/utils/test_debuginfo.pl ') ) + +# FIXME: Find nicer way to prohibit this. +config.substitutions.append( + (' clang ', """*** Do not use 'clang' in tests, use '%clang'. ***""") ) +config.substitutions.append( + (' clang\+\+ ', """*** Do not use 'clang++' in tests, use '%clangxx'. ***""")) +config.substitutions.append( + (' clang-cc ', + """*** Do not use 'clang-cc' in tests, use '%clang_cc1'. ***""") ) +config.substitutions.append( + (' clang -cc1 ', + """*** Do not use 'clang -cc1' in tests, use '%clang_cc1'. ***""") ) +config.substitutions.append( + (' %clang-cc1 ', + """*** invalid substitution, use '%clang_cc1'. ***""") ) + +### + +# Set available features we allow tests to conditionalize on. +# +# As of 2011.08, crash-recovery tests still do not pass on FreeBSD. +if platform.system() not in ['FreeBSD']: + config.available_features.add('crash-recovery') + +# Shell execution +if platform.system() not in ['Windows'] or lit.getBashPath() != '': + config.available_features.add('shell') + +# Registered Targets +def get_llc_props(tool): + set_of_targets = set() + enable_assertions = False + + cmd = subprocess.Popen([tool, '-version'], stdout=subprocess.PIPE) + + # Parse the stdout to get the list of registered targets. + parse_targets = False + for line in cmd.stdout: + if parse_targets: + m = re.match( r'(.*) - ', line) + if m is not None: + set_of_targets.add(m.group(1).strip() + '-registered-target') + else: + break + elif "Registered Targets:" in line: + parse_targets = True + + if re.search(r'with assertions', line): + enable_assertions = True + + return {"set_of_targets": set_of_targets, + "enable_assertions": enable_assertions} + +llc_props = get_llc_props(os.path.join(llvm_tools_dir, 'llc')) +if len(llc_props['set_of_targets']) > 0: + config.available_features.update(llc_props['set_of_targets']) +else: + lit.fatal('No Targets Registered with the LLVM Tools!') + +if llc_props['enable_assertions']: + config.available_features.add('asserts') |