forked from OSchip/llvm-project
177 lines
7.3 KiB
Python
177 lines
7.3 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 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 Tools'
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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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# 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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execute_external = (platform.system() != 'Windows'
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or lit_config.getBashPath() not in [None, ""])
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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', '.modularize', '.module-map-checker']
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# Test-time dependencies located in directories called 'Inputs' are excluded
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# from test suites; there won't be any lit tests within them.
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config.excludes = ['Inputs']
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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_tools_binary_dir = getattr(config, 'clang_tools_binary_dir', None)
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if clang_tools_binary_dir is not None:
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config.test_exec_root = os.path.join(clang_tools_binary_dir, '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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# 'IOS_SIMULATOR_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_tools_binary_dir 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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###
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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_tools_extra_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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clang_tools_extra_src_root = os.path.join(clang_src_root, "tools", "extra")
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clang_tools_extra_obj_root = os.path.join(clang_obj_root, "tools", "extra")
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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_tools_extra_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_tools_extra_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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import os
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# When running under valgrind, we mangle '-vg' onto the end of the triple so we
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# can check it with XFAIL and XTARGET.
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if lit_config.useValgrind:
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config.target_triple += '-vg'
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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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# 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 platform.system() not in ['Windows'] or lit_config.getBashPath() != '':
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config.available_features.add('shell')
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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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