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260 lines
10 KiB
Python
260 lines
10 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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# Tweak PATH for Win32 to decide to use bash.exe or not.
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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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# testFormat: The test format to use to interpret tests.
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execute_external = (not sys.platform in ['win32']
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or lit.getBashPath() not in [None, ""])
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config.test_format = lit.formats.ShTest(execute_external)
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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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# 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']
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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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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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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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# Provide a target triple for mcjit tests
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mcjit_triple = config.target_triple
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# Force ELF format on Windows
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if re.search(r'cygwin|mingw32|win32', mcjit_triple):
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mcjit_triple += "-elf"
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config.substitutions.append( ('%mcjit_triple', mcjit_triple) )
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# Provide a substition for those tests that need to run the jit to obtain data
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# but simply want use the currently considered most reliable jit for platform
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if 'arm' in config.target_triple:
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defaultIsMCJIT = 'true'
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else:
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defaultIsMCJIT = 'false'
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config.substitutions.append( ('%defaultjit', '-use-mcjit='+defaultIsMCJIT) )
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# Process jit implementation option
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jit_impl_cfg = lit.params.get('jit_impl', None)
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if jit_impl_cfg == 'mcjit':
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# When running with mcjit, mangle -mcjit into target triple
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# and add -use-mcjit flag to lli invocation
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if 'i686' in config.target_triple:
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config.target_triple += jit_impl_cfg + '-ia32'
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elif 'x86_64' in config.target_triple:
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config.target_triple += jit_impl_cfg + '-ia64'
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else:
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config.target_triple += jit_impl_cfg
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config.substitutions.append( ('%lli', 'lli -use-mcjit') )
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else:
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config.substitutions.append( ('%lli', 'lli') )
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# Add site-specific substitutions.
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config.substitutions.append( ('%ocamlopt', config.ocamlopt_executable) )
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config.substitutions.append( ('%llvmshlibdir', config.llvm_shlib_dir) )
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config.substitutions.append( ('%shlibext', config.llvm_shlib_ext) )
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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-cov\b", r"\bllvm-diff\b",
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r"\bllvm-dis\b", r"\bllvm-dwarfdump\b",
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r"\bllvm-extract\b",
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r"\bllvm-link\b", r"\bllvm-mc\b",
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r"\bllvm-nm\b", r"\bllvm-objdump\b",
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r"\bllvm-prof\b", r"\bllvm-ranlib\b",
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r"\bllvm-rtdyld\b", r"\bllvm-shlib\b",
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r"\bllvm-size\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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### 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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# LTO
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if config.lto_is_enabled == "1":
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config.available_features.add('lto')
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# llc knows whether he is compiled with -DNDEBUG.
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import subprocess
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try:
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llc_cmd = subprocess.Popen([os.path.join(llvm_tools_dir, 'llc'), '-version'],
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stdout = subprocess.PIPE)
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except OSError, why:
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print "Could not find llc in " + llvm_tools_dir
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exit(42)
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if re.search(r'with assertions', llc_cmd.stdout.read()):
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config.available_features.add('asserts')
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llc_cmd.wait()
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