forked from OSchip/llvm-project
505 lines
20 KiB
Python
505 lines
20 KiB
Python
# -*- Python -*-
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import os
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import platform
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import re
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import subprocess
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import tempfile
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import lit.formats
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import lit.util
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# Configuration file for the 'lit' test runner.
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# name: The name of this test suite.
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config.name = 'Clang'
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# Tweak PATH for Win32
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if platform.system() == 'Windows':
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# Seek sane tools in directories and set to $PATH.
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path = getattr(config, 'lit_tools_dir', None)
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path = lit_config.getToolsPath(path,
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config.environment['PATH'],
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['cmp.exe', 'grep.exe', 'sed.exe'])
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if path is not None:
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path = os.path.pathsep.join((path,
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config.environment['PATH']))
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config.environment['PATH'] = path
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# Choose between lit's internal shell pipeline runner and a real shell. If
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# LIT_USE_INTERNAL_SHELL is in the environment, we use that as an override.
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use_lit_shell = os.environ.get("LIT_USE_INTERNAL_SHELL")
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if use_lit_shell:
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# 0 is external, "" is default, and everything else is internal.
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execute_external = (use_lit_shell == "0")
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else:
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# Otherwise we default to internal on Windows and external elsewhere, as
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# bash on Windows is usually very slow.
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execute_external = (not sys.platform in ['win32'])
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# testFormat: The test format to use to interpret tests.
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#
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# For now we require '&&' between commands, until they get globally killed and
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# the test runner updated.
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config.test_format = lit.formats.ShTest(execute_external)
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# suffixes: A list of file extensions to treat as test files.
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config.suffixes = ['.c', '.cpp', '.m', '.mm', '.cu', '.ll', '.cl', '.s', '.S', '.modulemap']
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# excludes: A list of directories to exclude from the testsuite. The 'Inputs'
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# subdirectories contain auxiliary inputs for various tests in their parent
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# directories.
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config.excludes = ['Inputs', 'CMakeLists.txt', 'README.txt', 'LICENSE.txt']
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# test_source_root: The root path where tests are located.
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config.test_source_root = os.path.dirname(__file__)
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# test_exec_root: The root path where tests should be run.
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clang_obj_root = getattr(config, 'clang_obj_root', None)
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if clang_obj_root is not None:
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config.test_exec_root = os.path.join(clang_obj_root, 'test')
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# Set llvm_{src,obj}_root for use by others.
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config.llvm_src_root = getattr(config, 'llvm_src_root', None)
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config.llvm_obj_root = getattr(config, 'llvm_obj_root', None)
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# Clear some environment variables that might affect Clang.
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#
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# This first set of vars are read by Clang, but shouldn't affect tests
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# that aren't specifically looking for these features, or are required
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# simply to run the tests at all.
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#
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# FIXME: Should we have a tool that enforces this?
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# safe_env_vars = ('TMPDIR', 'TEMP', 'TMP', 'USERPROFILE', 'PWD',
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# 'MACOSX_DEPLOYMENT_TARGET', 'IPHONEOS_DEPLOYMENT_TARGET',
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# 'VCINSTALLDIR', 'VC100COMNTOOLS', 'VC90COMNTOOLS',
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# 'VC80COMNTOOLS')
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possibly_dangerous_env_vars = ['COMPILER_PATH', 'RC_DEBUG_OPTIONS',
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'CINDEXTEST_PREAMBLE_FILE', 'LIBRARY_PATH',
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'CPATH', 'C_INCLUDE_PATH', 'CPLUS_INCLUDE_PATH',
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'OBJC_INCLUDE_PATH', 'OBJCPLUS_INCLUDE_PATH',
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'LIBCLANG_TIMING', 'LIBCLANG_OBJTRACKING',
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'LIBCLANG_LOGGING', 'LIBCLANG_BGPRIO_INDEX',
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'LIBCLANG_BGPRIO_EDIT', 'LIBCLANG_NOTHREADS',
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'LIBCLANG_RESOURCE_USAGE',
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'LIBCLANG_CODE_COMPLETION_LOGGING']
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# Clang/Win32 may refer to %INCLUDE%. vsvarsall.bat sets it.
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if platform.system() != 'Windows':
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possibly_dangerous_env_vars.append('INCLUDE')
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for name in possibly_dangerous_env_vars:
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if name in config.environment:
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del config.environment[name]
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# Tweak the PATH to include the tools dir and the scripts dir.
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if clang_obj_root is not None:
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clang_tools_dir = getattr(config, 'clang_tools_dir', None)
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if not clang_tools_dir:
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lit_config.fatal('No Clang tools dir set!')
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llvm_tools_dir = getattr(config, 'llvm_tools_dir', None)
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if not llvm_tools_dir:
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lit_config.fatal('No LLVM tools dir set!')
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path = os.path.pathsep.join((
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clang_tools_dir, llvm_tools_dir, config.environment['PATH']))
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config.environment['PATH'] = path
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llvm_libs_dir = getattr(config, 'llvm_libs_dir', None)
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if not llvm_libs_dir:
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lit_config.fatal('No LLVM libs dir set!')
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path = os.path.pathsep.join((llvm_libs_dir,
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config.environment.get('LD_LIBRARY_PATH','')))
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config.environment['LD_LIBRARY_PATH'] = path
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# Propagate path to symbolizer for ASan/MSan.
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for symbolizer in ['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH']:
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if symbolizer in os.environ:
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config.environment[symbolizer] = os.environ[symbolizer]
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###
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# Check that the object root is known.
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if config.test_exec_root is None:
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# Otherwise, we haven't loaded the site specific configuration (the user is
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# probably trying to run on a test file directly, and either the site
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# configuration hasn't been created by the build system, or we are in an
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# out-of-tree build situation).
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# Check for 'clang_site_config' user parameter, and use that if available.
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site_cfg = lit_config.params.get('clang_site_config', None)
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if site_cfg and os.path.exists(site_cfg):
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lit_config.load_config(config, site_cfg)
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raise SystemExit
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# Try to detect the situation where we are using an out-of-tree build by
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# looking for 'llvm-config'.
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#
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# FIXME: I debated (i.e., wrote and threw away) adding logic to
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# automagically generate the lit.site.cfg if we are in some kind of fresh
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# build situation. This means knowing how to invoke the build system though,
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# and I decided it was too much magic. We should solve this by just having
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# the .cfg files generated during the configuration step.
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llvm_config = lit.util.which('llvm-config', config.environment['PATH'])
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if not llvm_config:
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lit_config.fatal('No site specific configuration available!')
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# Get the source and object roots.
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llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip()
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llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip()
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clang_src_root = os.path.join(llvm_src_root, "tools", "clang")
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clang_obj_root = os.path.join(llvm_obj_root, "tools", "clang")
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# Validate that we got a tree which points to here, using the standard
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# tools/clang layout.
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this_src_root = os.path.dirname(config.test_source_root)
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if os.path.realpath(clang_src_root) != os.path.realpath(this_src_root):
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lit_config.fatal('No site specific configuration available!')
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# Check that the site specific configuration exists.
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site_cfg = os.path.join(clang_obj_root, 'test', 'lit.site.cfg')
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if not os.path.exists(site_cfg):
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lit_config.fatal(
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'No site specific configuration available! You may need to '
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'run "make test" in your Clang build directory.')
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# Okay, that worked. Notify the user of the automagic, and reconfigure.
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lit_config.note('using out-of-tree build at %r' % clang_obj_root)
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lit_config.load_config(config, site_cfg)
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raise SystemExit
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###
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# Discover the 'clang' and 'clangcc' to use.
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import os
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def inferClang(PATH):
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# Determine which clang to use.
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clang = os.getenv('CLANG')
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# If the user set clang in the environment, definitely use that and don't
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# try to validate.
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if clang:
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return clang
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# Otherwise look in the path.
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clang = lit.util.which('clang', PATH)
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if not clang:
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lit_config.fatal("couldn't find 'clang' program, try setting "
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"CLANG in your environment")
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return clang
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config.clang = inferClang(config.environment['PATH']).replace('\\', '/')
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if not lit_config.quiet:
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lit_config.note('using clang: %r' % config.clang)
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# Plugins (loadable modules)
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# TODO: This should be supplied by Makefile or autoconf.
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if sys.platform in ['win32', 'cygwin']:
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has_plugins = (config.enable_shared == 1)
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else:
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has_plugins = True
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if has_plugins and config.llvm_plugin_ext:
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config.available_features.add('plugins')
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config.substitutions.append( ('%llvmshlibdir', config.llvm_shlib_dir) )
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config.substitutions.append( ('%pluginext', config.llvm_plugin_ext) )
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config.substitutions.append( ('%PATH%', config.environment['PATH']) )
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if config.clang_examples:
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config.available_features.add('examples')
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# Note that when substituting %clang_cc1 also fill in the include directory of
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# the builtin headers. Those are part of even a freestanding environment, but
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# Clang relies on the driver to locate them.
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def getClangBuiltinIncludeDir(clang):
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# FIXME: Rather than just getting the version, we should have clang print
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# out its resource dir here in an easy to scrape form.
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cmd = subprocess.Popen([clang, '-print-file-name=include'],
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stdout=subprocess.PIPE,
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env=config.environment)
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if not cmd.stdout:
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lit_config.fatal("Couldn't find the include dir for Clang ('%s')" % clang)
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dir = cmd.stdout.read().strip()
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if sys.platform in ['win32'] and execute_external:
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# Don't pass dosish path separator to msys bash.exe.
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dir = dir.replace('\\', '/')
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# Ensure the result is an ascii string, across Python2.5+ - Python3.
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return str(dir.decode('ascii'))
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def makeItaniumABITriple(triple):
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m = re.match(r'(\w+)-(\w+)-(\w+)', triple)
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if not m:
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lit_config.fatal("Could not turn '%s' into Itanium ABI triple" % triple)
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if m.group(3).lower() != 'win32':
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# All non-win32 triples use the Itanium ABI.
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return triple
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return m.group(1) + '-' + m.group(2) + '-mingw32'
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def makeMSABITriple(triple):
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m = re.match(r'(\w+)-(\w+)-(\w+)', triple)
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if not m:
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lit_config.fatal("Could not turn '%s' into MS ABI triple" % triple)
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isa = m.group(1).lower()
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vendor = m.group(2).lower()
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os = m.group(3).lower()
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if os == 'win32':
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# If the OS is win32, we're done.
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return triple
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if isa.startswith('x86') or isa == 'amd64' or re.match(r'i\d86', isa):
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# For x86 ISAs, adjust the OS.
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return isa + '-' + vendor + '-win32'
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# -win32 is not supported for non-x86 targets; use a default.
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return 'i686-pc-win32'
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config.substitutions.append( ('%clang_cc1',
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'%s -cc1 -internal-isystem %s -nostdsysteminc'
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% (config.clang,
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getClangBuiltinIncludeDir(config.clang))) )
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config.substitutions.append( ('%clang_cpp', ' ' + config.clang +
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' --driver-mode=cpp '))
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config.substitutions.append( ('%clang_cl', ' ' + config.clang +
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' --driver-mode=cl '))
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config.substitutions.append( ('%clangxx', ' ' + config.clang +
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' --driver-mode=g++ '))
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config.substitutions.append( ('%clang', ' ' + config.clang + ' ') )
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config.substitutions.append( ('%test_debuginfo', ' ' + config.llvm_src_root + '/utils/test_debuginfo.pl ') )
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config.substitutions.append( ('%itanium_abi_triple', makeItaniumABITriple(config.target_triple)) )
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config.substitutions.append( ('%ms_abi_triple', makeMSABITriple(config.target_triple)) )
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# The host triple might not be set, at least if we're compiling clang from
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# an already installed llvm.
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if config.host_triple and config.host_triple != '@LLVM_HOST_TRIPLE@':
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config.substitutions.append( ('%target_itanium_abi_host_triple', '--target=%s' % makeItaniumABITriple(config.host_triple)) )
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else:
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config.substitutions.append( ('%target_itanium_abi_host_triple', '') )
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# FIXME: Find nicer way to prohibit this.
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config.substitutions.append(
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(' clang ', """*** Do not use 'clang' in tests, use '%clang'. ***""") )
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config.substitutions.append(
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(' clang\+\+ ', """*** Do not use 'clang++' in tests, use '%clangxx'. ***"""))
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config.substitutions.append(
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(' clang-cc ',
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"""*** Do not use 'clang-cc' in tests, use '%clang_cc1'. ***""") )
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config.substitutions.append(
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(' clang -cc1 ',
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"""*** Do not use 'clang -cc1' in tests, use '%clang_cc1'. ***""") )
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config.substitutions.append(
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(' %clang-cc1 ',
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"""*** invalid substitution, use '%clang_cc1'. ***""") )
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config.substitutions.append(
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(' %clang-cpp ',
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"""*** invalid substitution, use '%clang_cpp'. ***""") )
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config.substitutions.append(
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(' %clang-cl ',
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"""*** invalid substitution, use '%clang_cl'. ***""") )
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# For each occurrence of a clang tool name as its own word, replace it
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# with the full path to the build directory holding that tool. This
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# ensures that we are testing the tools just built and not some random
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# tools that might happen to be in the user's PATH.
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tool_dirs = os.path.pathsep.join((clang_tools_dir, llvm_tools_dir))
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# Regex assertions to reject neighbor hyphens/dots (seen in some tests).
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# For example, don't match 'clang-check-' or '.clang-format'.
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NoPreHyphenDot = r"(?<!(-|\.))"
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NoPostHyphenDot = r"(?!(-|\.))"
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NoPostBar = r"(?!(/|\\))"
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tool_patterns = [r"\bFileCheck\b",
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r"\bc-index-test\b",
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NoPreHyphenDot + r"\bclang-check\b" + NoPostHyphenDot,
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NoPreHyphenDot + r"\bclang-format\b" + NoPostHyphenDot,
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# FIXME: Some clang test uses opt?
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NoPreHyphenDot + r"\bopt\b" + NoPostBar + NoPostHyphenDot,
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# Handle these specially as they are strings searched
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# for during testing.
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r"\| \bcount\b",
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r"\| \bnot\b"]
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if config.clang_examples:
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tool_patterns.append(NoPreHyphenDot + r"\bclang-interpreter\b" + NoPostHyphenDot)
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for pattern in tool_patterns:
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# Extract the tool name from the pattern. This relies on the tool
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# name being surrounded by \b word match operators. If the
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# pattern starts with "| ", include it in the string to be
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# substituted.
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tool_match = re.match(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
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pattern)
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tool_pipe = tool_match.group(2)
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tool_name = tool_match.group(4)
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tool_path = lit.util.which(tool_name, tool_dirs)
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if not tool_path:
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# Warn, but still provide a substitution.
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lit_config.note('Did not find ' + tool_name + ' in ' + tool_dirs)
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tool_path = clang_tools_dir + '/' + tool_name
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config.substitutions.append((pattern, tool_pipe + tool_path))
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###
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# Set available features we allow tests to conditionalize on.
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#
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# Enabled/disabled features
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if config.clang_staticanalyzer != 0:
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config.available_features.add("staticanalyzer")
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# As of 2011.08, crash-recovery tests still do not pass on FreeBSD.
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if platform.system() not in ['FreeBSD']:
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config.available_features.add('crash-recovery')
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# Shell execution
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if execute_external:
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config.available_features.add('shell')
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# For tests that require Darwin to run.
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# This is used by debuginfo-tests/*block*.m and debuginfo-tests/foreach.m.
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if platform.system() in ['Darwin']:
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config.available_features.add('system-darwin')
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elif platform.system() in ['Windows']:
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# For tests that require Windows to run.
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config.available_features.add('system-windows')
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# ANSI escape sequences in non-dumb terminal
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if platform.system() not in ['Windows']:
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config.available_features.add('ansi-escape-sequences')
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# Capability to print utf8 to the terminal.
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# Windows expects codepage, unless Wide API.
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if platform.system() not in ['Windows']:
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config.available_features.add('utf8-capable-terminal')
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# Native compilation: Check if triples match.
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# FIXME: Consider cases that target can be executed
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# even if host_triple were different from target_triple.
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if config.host_triple == config.target_triple:
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config.available_features.add("native")
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# Case-insensitive file system
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def is_filesystem_case_insensitive():
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handle, path = tempfile.mkstemp(prefix='case-test', dir=config.test_exec_root)
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isInsensitive = os.path.exists(
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os.path.join(
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os.path.dirname(path),
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os.path.basename(path).upper()
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))
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os.close(handle)
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os.remove(path)
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return isInsensitive
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if is_filesystem_case_insensitive():
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config.available_features.add('case-insensitive-filesystem')
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# Tests that require the /dev/fd filesystem.
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if os.path.exists("/dev/fd/0") and sys.platform not in ['cygwin']:
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config.available_features.add('dev-fd-fs')
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# DW2 Target
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if not re.match(r'.*-win32$', config.target_triple):
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config.available_features.add('dw2')
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# Not set on native MS environment.
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if not re.match(r'.*-win32$', config.target_triple):
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config.available_features.add('non-ms-sdk')
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# Not set on native PS4 environment.
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if not re.match(r'.*-scei-ps4', config.target_triple):
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config.available_features.add('non-ps4-sdk')
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# [PR8833] LLP64-incompatible tests
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if not re.match(r'^x86_64.*-(win32|mingw32|windows-gnu)$', config.target_triple):
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config.available_features.add('LP64')
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# [PR12920] "clang-driver" -- set if gcc driver is not used.
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if not re.match(r'.*-(cygwin)$', config.target_triple):
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config.available_features.add('clang-driver')
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# [PR18856] Depends to remove opened file. On win32, a file could be removed
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# only if all handles were closed.
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if platform.system() not in ['Windows']:
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config.available_features.add('can-remove-opened-file')
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# Returns set of available features, registered-target(s) and asserts.
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def get_llvm_config_props():
|
|
set_of_features = set()
|
|
|
|
cmd = subprocess.Popen(
|
|
[
|
|
os.path.join(llvm_tools_dir, 'llvm-config'),
|
|
'--assertion-mode',
|
|
'--targets-built',
|
|
],
|
|
stdout=subprocess.PIPE,
|
|
env=config.environment
|
|
)
|
|
# 1st line corresponds to --assertion-mode, "ON" or "OFF".
|
|
line = cmd.stdout.readline().strip().decode('ascii')
|
|
if line == "ON":
|
|
set_of_features.add('asserts')
|
|
|
|
# 2nd line corresponds to --targets-built, like;
|
|
# AArch64 ARM CppBackend X86
|
|
for arch in cmd.stdout.readline().decode('ascii').split():
|
|
set_of_features.add(arch.lower() + '-registered-target')
|
|
|
|
return set_of_features
|
|
|
|
config.available_features.update(get_llvm_config_props())
|
|
|
|
if lit.util.which('xmllint'):
|
|
config.available_features.add('xmllint')
|
|
|
|
# Sanitizers.
|
|
if 'Address' in config.llvm_use_sanitizer:
|
|
config.available_features.add("asan")
|
|
else:
|
|
config.available_features.add("not_asan")
|
|
if 'Memory' in config.llvm_use_sanitizer:
|
|
config.available_features.add("msan")
|
|
if 'Undefined' in config.llvm_use_sanitizer:
|
|
config.available_features.add("ubsan")
|
|
else:
|
|
config.available_features.add("not_ubsan")
|
|
|
|
if config.enable_backtrace == "1":
|
|
config.available_features.add("backtrace")
|
|
|
|
if config.have_zlib == "1":
|
|
config.available_features.add("zlib")
|
|
else:
|
|
config.available_features.add("nozlib")
|
|
|
|
# Check if we should run long running tests.
|
|
if lit_config.params.get("run_long_tests", None) == "true":
|
|
config.available_features.add("long_tests")
|
|
|
|
# Check if we should use gmalloc.
|
|
use_gmalloc_str = lit_config.params.get('use_gmalloc', None)
|
|
if use_gmalloc_str is not None:
|
|
if use_gmalloc_str.lower() in ('1', 'true'):
|
|
use_gmalloc = True
|
|
elif use_gmalloc_str.lower() in ('', '0', 'false'):
|
|
use_gmalloc = False
|
|
else:
|
|
lit_config.fatal('user parameter use_gmalloc should be 0 or 1')
|
|
else:
|
|
# Default to not using gmalloc
|
|
use_gmalloc = False
|
|
|
|
# Allow use of an explicit path for gmalloc library.
|
|
# Will default to '/usr/lib/libgmalloc.dylib' if not set.
|
|
gmalloc_path_str = lit_config.params.get('gmalloc_path',
|
|
'/usr/lib/libgmalloc.dylib')
|
|
if use_gmalloc:
|
|
config.environment.update({'DYLD_INSERT_LIBRARIES' : gmalloc_path_str})
|
|
|
|
# Check if we should allow outputs to console.
|
|
run_console_tests = int(lit_config.params.get('enable_console', '0'))
|
|
if run_console_tests != 0:
|
|
config.available_features.add('console')
|
|
|
|
lit.util.usePlatformSdkOnDarwin(config, lit_config)
|