311 lines
12 KiB
Python
311 lines
12 KiB
Python
# -*- Python -*-
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# Configuration file for the 'lit' test runner.
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import os
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import sys
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import re
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# name: The name of this test suite.
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config.name = 'LLVM'
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# testFormat: The test format to use to interpret tests.
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config.test_format = lit.formats.TclTest()
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# To ignore test output on stderr so it doesn't trigger failures uncomment this:
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#config.test_format = lit.formats.TclTest(ignoreStdErr=True)
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# suffixes: A list of file extensions to treat as test files, this is actually
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# set by on_clone().
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config.suffixes = []
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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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# Tweak PATH for Win32
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if sys.platform in ['win32']:
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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.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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# test_exec_root: The root path where tests should be run.
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llvm_obj_root = getattr(config, 'llvm_obj_root', None)
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if llvm_obj_root is not None:
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config.test_exec_root = os.path.join(llvm_obj_root, 'test')
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# Tweak the PATH to include the scripts dir, the tools dir, and the llvm-gcc bin
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# dir (if available).
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if llvm_obj_root is not None:
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# Include llvm-gcc first, as the llvm-gcc binaryies will not appear
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# neither in the tools nor in the scripts dir. However it might be
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# possible, that some old llvm tools are in the llvm-gcc dir. Adding
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# llvm-gcc dir first ensures, that those will always be overwritten
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# by the new tools in llvm_tools_dir. So now outdated tools are used
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# for testing
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llvmgcc_dir = getattr(config, 'llvmgcc_dir', None)
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if llvmgcc_dir:
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path = os.path.pathsep.join((os.path.join(llvmgcc_dir, 'bin'),
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config.environment['PATH']))
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config.environment['PATH'] = path
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llvm_src_root = getattr(config, 'llvm_src_root', None)
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if not llvm_src_root:
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lit.fatal('No LLVM source root set!')
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path = os.path.pathsep.join((os.path.join(llvm_src_root, 'test',
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'Scripts'),
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config.environment['PATH']))
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config.environment['PATH'] = path
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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.fatal('No LLVM tools dir set!')
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path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH']))
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config.environment['PATH'] = path
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# Propagate 'HOME' through the environment.
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if 'HOME' in os.environ:
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config.environment['HOME'] = os.environ['HOME']
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# Propagate 'INCLUDE' through the environment.
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if 'INCLUDE' in os.environ:
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config.environment['INCLUDE'] = os.environ['INCLUDE']
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# Propagate 'LIB' through the environment.
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if 'LIB' in os.environ:
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config.environment['LIB'] = os.environ['LIB']
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# Propagate the temp directory. Windows requires this because it uses \Windows\
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# if none of these are present.
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if 'TMP' in os.environ:
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config.environment['TMP'] = os.environ['TMP']
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if 'TEMP' in os.environ:
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config.environment['TEMP'] = os.environ['TEMP']
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# Propagate LLVM_SRC_ROOT into the environment.
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config.environment['LLVM_SRC_ROOT'] = getattr(config, 'llvm_src_root', '')
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# Propagate PYTHON_EXECUTABLE into the environment
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config.environment['PYTHON_EXECUTABLE'] = getattr(config, 'python_executable',
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'')
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###
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import os
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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 'llvm_site_config' user parameter, and use that if available.
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site_cfg = lit.params.get('llvm_site_config', None)
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if site_cfg and os.path.exists(site_cfg):
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lit.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
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# though, and I decided it was too much magic.
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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.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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# Validate that we got a tree which points to here.
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this_src_root = os.path.dirname(config.test_source_root)
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if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root):
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lit.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(llvm_obj_root, 'test', 'lit.site.cfg')
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if not os.path.exists(site_cfg):
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lit.fatal('No site specific configuration available!')
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# Okay, that worked. Notify the user of the automagic, and reconfigure.
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lit.note('using out-of-tree build at %r' % llvm_obj_root)
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lit.load_config(config, site_cfg)
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raise SystemExit
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###
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# Load site data from DejaGNU's site.exp.
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import re
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site_exp = {}
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# FIXME: Implement lit.site.cfg.
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for line in open(os.path.join(config.llvm_obj_root, 'test', 'site.exp')):
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m = re.match('set ([^ ]+) "(.*)"', line)
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if m:
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site_exp[m.group(1)] = m.group(2)
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# Add substitutions.
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config.substitutions.append(('%llvmgcc_only', site_exp['llvmgcc']))
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for sub in ['llvmgcc', 'llvmgxx', 'emitir', 'compile_cxx', 'compile_c',
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'link', 'shlibext', 'ocamlopt', 'llvmdsymutil', 'llvmlibsdir',
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'llvmshlibdir',
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'bugpoint_topts']:
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if sub in ('llvmgcc', 'llvmgxx'):
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config.substitutions.append(('%' + sub,
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site_exp[sub] + ' %emitir -w'))
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# FIXME: This is a hack to avoid LLVMC tests failing due to a clang driver
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# warning when passing in "-fexceptions -fno-exceptions".
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elif sub == 'compile_cxx':
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config.substitutions.append(('%' + sub,
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site_exp[sub].replace('-fno-exceptions', '')))
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else:
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config.substitutions.append(('%' + sub, site_exp[sub]))
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# For each occurrence of an llvm 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. Thus this list
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# includes every tool placed in $(LLVM_OBJ_ROOT)/$(BuildMode)/bin
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# (llvm_tools_dir in lit parlance).
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# Don't match 'bugpoint-' or 'clang-'.
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# Don't match '/clang' or '-clang'.
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if os.pathsep == ';':
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pathext = os.environ.get('PATHEXT', '').split(';')
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else:
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pathext = ['']
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for pattern in [r"\bbugpoint\b(?!-)", r"(?<!/|-)\bclang\b(?!-)",
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r"\bgold\b",
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r"\bllc\b", r"\blli\b",
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r"\bllvm-ar\b", r"\bllvm-as\b",
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r"\bllvm-bcanalyzer\b", r"\bllvm-config\b",
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r"\bllvm-diff\b", r"\bllvm-dis\b",
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r"\bllvm-extract\b", r"\bllvm-ld\b",
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r"\bllvm-link\b", r"\bllvm-mc\b",
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r"\bllvm-nm\b", r"\bllvm-prof\b",
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r"\bllvm-ranlib\b", r"\bllvm-shlib\b",
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r"\bllvm-stub\b", r"\bllvm2cpp\b",
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# Don't match '-llvmc'.
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r"(?<!-)\bllvmc\b", r"\blto\b",
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# Don't match '.opt', '-opt',
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# '^opt' or '/opt'.
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r"\bmacho-dump\b", r"(?<!\.|-|\^|/)\bopt\b",
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r"\bllvm-tblgen\b", r"\bFileCheck\b",
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r"\bFileUpdate\b", r"\bc-index-test\b",
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r"\bfpcmp\b", r"\bllvm-PerfectShuffle\b",
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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", r"\| \bnot\b"]:
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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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substitution = re.sub(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$",
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r"\2" + llvm_tools_dir + "/" + r"\4",
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pattern)
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for ext in pathext:
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substitution_ext = substitution + ext
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if os.path.exists(substitution_ext):
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substitution = substitution_ext
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break
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config.substitutions.append((pattern, substitution))
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excludes = []
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# Provide target_triple for use in XFAIL and XTARGET.
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config.target_triple = site_exp['target_triplet']
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# When running under valgrind, we mangle '-vg' or '-vg_leak' onto the end of the
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# triple so we can check it with XFAIL and XTARGET.
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config.target_triple += lit.valgrindTriple
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# Provide llvm_supports_target for use in local configs.
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targets = set(site_exp["TARGETS_TO_BUILD"].split())
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def llvm_supports_target(name):
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return name in targets
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def llvm_supports_darwin_and_target(name):
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return 'darwin' in config.target_triple and llvm_supports_target(name)
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bindings = set([s.strip() for s in site_exp['llvm_bindings'].split(',')])
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def llvm_supports_binding(name):
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return name.strip() in bindings
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# Provide on_clone hook for reading 'dg.exp'.
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import os
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simpleLibData = re.compile(r"""load_lib llvm.exp
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RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]""",
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re.MULTILINE)
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conditionalLibData = re.compile(r"""load_lib llvm.exp
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if.*\[ ?(llvm[^ ]*) ([^ ]*) ?\].*{
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*RunLLVMTests \[lsort \[glob -nocomplain \$srcdir/\$subdir/\*\.(.*)\]\]
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\}""", re.MULTILINE)
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def on_clone(parent, cfg, for_path):
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def addSuffixes(match):
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if match[0] == '{' and match[-1] == '}':
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cfg.suffixes = ['.' + s for s in match[1:-1].split(',')]
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else:
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cfg.suffixes = ['.' + match]
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libPath = os.path.join(os.path.dirname(for_path),
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'dg.exp')
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if not os.path.exists(libPath):
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cfg.unsupported = True
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return
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# Reset unsupported, in case we inherited it.
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cfg.unsupported = False
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lib = open(libPath).read().strip()
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# Check for a simple library.
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m = simpleLibData.match(lib)
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if m:
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addSuffixes(m.group(1))
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return
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# Check for a conditional test set.
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m = conditionalLibData.match(lib)
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if m:
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funcname,arg,match = m.groups()
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addSuffixes(match)
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func = globals().get(funcname)
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if not func:
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lit.error('unsupported predicate %r' % funcname)
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elif not func(arg):
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cfg.unsupported = True
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return
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# Otherwise, give up.
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lit.error('unable to understand %r:\n%s' % (libPath, lib))
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config.on_clone = on_clone
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### Features
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# Shell execution
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if sys.platform not in ['win32'] or lit.getBashPath() != '':
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config.available_features.add('shell')
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# Loadable module
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# FIXME: This should be supplied by Makefile or autoconf.
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if sys.platform in ['win32', 'cygwin']:
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loadable_module = (config.enable_shared == 1)
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else:
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loadable_module = True
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if loadable_module:
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config.available_features.add('loadable_module')
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if config.enable_assertions:
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config.available_features.add('asserts')
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