forked from OSchip/llvm-project
296 lines
12 KiB
Python
296 lines
12 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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from lit.llvm import llvm_config
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from lit.llvm import ToolFilter
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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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# 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(not llvm_config.use_lit_shell)
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# suffixes: A list of file extensions to treat as test files.
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config.suffixes = ['.c', '.cpp', '.cppm', '.m', '.mm', '.cu', '.ll', '.cl', '.s', '.S', '.modulemap', '.test', '.rs']
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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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config.test_exec_root = os.path.join(config.clang_obj_root, 'test')
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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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llvm_config.clear_environment(possibly_dangerous_env_vars)
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# Tweak the PATH to include the tools dir and the scripts dir.
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llvm_config.with_environment('PATH', [config.llvm_tools_dir, config.clang_tools_dir], append_path=True)
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llvm_config.with_environment('LD_LIBRARY_PATH', [config.llvm_shlib_dir, config.llvm_libs_dir], append_path=True)
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# Propagate path to symbolizer for ASan/MSan.
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llvm_config.with_system_environment(['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH'])
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# Discover the 'clang' and 'clangcc' to use.
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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
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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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builtin_include_dir = llvm_config.get_clang_builtin_include_dir(config.clang)
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config.substitutions.append( ('%clang_analyze_cc1',
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'%clang_cc1 -analyze %analyze') )
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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, builtin_include_dir)) )
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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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clang_func_map = lit.util.which('clang-func-mapping', config.environment['PATH'])
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if clang_func_map:
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config.substitutions.append( ('%clang_func_map', ' ' + clang_func_map + ' ') )
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config.substitutions.append( ('%clang', ' ' + config.clang + ' ') )
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config.substitutions.append( ('%test_debuginfo',
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' ' + config.llvm_src_root + '/utils/test_debuginfo.pl ') )
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config.substitutions.append( ('%itanium_abi_triple',
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llvm_config.make_itanium_abi_triple(config.target_triple)) )
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config.substitutions.append( ('%ms_abi_triple',
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llvm_config.make_msabi_triple(config.target_triple)) )
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config.substitutions.append( ('%resource_dir', builtin_include_dir) )
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config.substitutions.append( ('%python', config.python_executable) )
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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',
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'--target=%s' % llvm_config.make_itanium_abi_triple(config.host_triple)) )
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else:
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config.substitutions.append( ('%target_itanium_abi_host_triple', '') )
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config.substitutions.append( ('%src_include_dir', config.clang_src_dir + '/include') )
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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 -analyze ',
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"""*** Do not use 'clang -cc1 -analyze' in tests, use '%clang_analyze_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, replace it with the full path to
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# the build directory holding that tool. We explicitly specify the directories
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# to search to ensure that we get 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 = [config.clang_tools_dir, config.llvm_tools_dir]
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tool_patterns = [
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'FileCheck', 'c-index-test',
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ToolFilter('clang-check', pre='-.', post='-.'),
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ToolFilter('clang-diff', pre='-.', post='-.'),
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ToolFilter('clang-format', pre='-.', post='-.'),
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# FIXME: Some clang test uses opt?
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ToolFilter('opt', pre='-.', post=r'/\-.'),
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# Handle these specially as they are strings searched for during testing.
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ToolFilter(r'\| \bcount\b', verbatim=True),
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ToolFilter(r'\| \bnot\b', verbatim=True)]
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if config.clang_examples:
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tool_patterns.append(ToolFilter('clang-interpreter', '-.', '-.'))
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llvm_config.add_tool_substitutions(tool_patterns, tool_dirs)
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# Set available features we allow tests to conditionalize on.
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#
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if config.clang_default_cxx_stdlib != '':
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config.available_features.add('default-cxx-stdlib-set')
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# Enabled/disabled features
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if config.clang_staticanalyzer:
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config.available_features.add("staticanalyzer")
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if config.clang_staticanalyzer_z3 == '1':
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config.available_features.add("z3")
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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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# 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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# Support for libgcc runtime. Used to rule out tests that require
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# clang to run with -rtlib=libgcc.
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if platform.system() not in ['Darwin', 'Fuchsia']:
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config.available_features.add('libgcc')
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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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# 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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def calculate_arch_features(arch_string):
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features = []
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for arch in arch_string.split():
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features.append(arch.lower() + '-registered-target')
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return features
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llvm_config.feature_config(
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[('--assertion-mode', {'ON' : 'asserts'}),
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('--cxxflags', {r'-D_GLIBCXX_DEBUG\b' : 'libstdcxx-safe-mode'}),
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('--targets-built', calculate_arch_features)
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])
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if lit.util.which('xmllint'):
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config.available_features.add('xmllint')
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if config.enable_backtrace:
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config.available_features.add("backtrace")
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# Check if we should allow outputs to console.
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run_console_tests = int(lit_config.params.get('enable_console', '0'))
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if run_console_tests != 0:
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config.available_features.add('console')
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lit.util.usePlatformSdkOnDarwin(config, lit_config)
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macOSSDKVersion = lit.util.findPlatformSdkVersionOnMacOS(config, lit_config)
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if macOSSDKVersion is not None:
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config.available_features.add('macos-sdk-' + macOSSDKVersion)
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