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 So now outdated tools are used # for testing llvmgcc_dir = getattr(config, 'llvmgcc_dir', None) if llvmgcc_dir: path = os.path.pathsep.join((os.path.join(llvmgcc_dir, 'bin'),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