# -*- Python -*- # Configuration file for the 'lit' test runner. import os import sys import re import platform # name: The name of this test suite. config.name = 'LLVM' # Tweak PATH for Win32 to decide to use bash.exe or not. if sys.platform in ['win32']: # Seek sane tools in directories and set to $PATH. path = getattr(config, 'lit_tools_dir', None) path = lit.getToolsPath(path, config.environment['PATH'], ['cmp.exe', 'grep.exe', 'sed.exe']) if path is not None: path = os.path.pathsep.join((path, config.environment['PATH'])) config.environment['PATH'] = path # Choose between lit's internal shell pipeline runner and a real shell. If # LIT_USE_INTERNAL_SHELL is in the environment, we use that as an override. use_lit_shell = os.environ.get("LIT_USE_INTERNAL_SHELL") if use_lit_shell: # 0 is external, "" is default, and everything else is internal. execute_external = (use_lit_shell == "0") else: # Otherwise we default to internal on Windows and external elsewhere, as # bash on Windows is usually very slow. execute_external = (not sys.platform in ['win32']) # testFormat: The test format to use to interpret tests. config.test_format = lit.formats.ShTest(execute_external) # To ignore test output on stderr so it doesn't trigger failures uncomment this: #config.test_format = lit.formats.TclTest(ignoreStdErr=True) # suffixes: A list of file extensions to treat as test files, this is actually # set by on_clone(). config.suffixes = [] # excludes: A list of directories to exclude from the testsuite. The 'Inputs' # subdirectories contain auxiliary inputs for various tests in their parent # directories. config.excludes = ['Inputs'] # 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 tools dir. if llvm_obj_root is not None: 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', '') # Propagate path to symbolizer for ASan/MSan. for symbolizer in ['ASAN_SYMBOLIZER_PATH', 'MSAN_SYMBOLIZER_PATH']: if symbolizer in os.environ: config.environment[symbolizer] = os.environ[symbolizer] ### 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 ### # Provide a command line for mcjit tests lli_mcjit = 'lli -use-mcjit' # The target triple used by default by lli is the process target triple (some # triple appropriate for generating code for the current process) but because # we don't support COFF in MCJIT well enough for the tests, force ELF format on # Windows. FIXME: the process target triple should be used here, but this is # difficult to obtain on Windows. if re.search(r'cygwin|mingw32|win32', config.host_triple): lli_mcjit += ' -mtriple='+config.host_triple+'-elf' config.substitutions.append( ('%lli_mcjit', lli_mcjit) ) # Provide a substition for those tests that need to run the jit to obtain data # but simply want use the currently considered most reliable jit for platform # FIXME: ppc32 is not ready for mcjit. if 'arm' in config.target_triple \ or 'aarch64' in config.target_triple \ or 'powerpc64' in config.target_triple \ or 's390x' in config.target_triple: defaultIsMCJIT = 'true' else: defaultIsMCJIT = 'false' config.substitutions.append( ('%defaultjit', '-use-mcjit='+defaultIsMCJIT) ) # Process jit implementation option jit_impl_cfg = lit.params.get('jit_impl', None) if jit_impl_cfg == 'mcjit': # When running with mcjit, mangle -mcjit into target triple # and add -use-mcjit flag to lli invocation if 'i686' in config.target_triple: config.target_triple += jit_impl_cfg + '-ia32' elif 'x86_64' in config.target_triple: config.target_triple += jit_impl_cfg + '-ia64' else: config.target_triple += jit_impl_cfg config.substitutions.append( ('%lli', 'lli -use-mcjit') ) else: config.substitutions.append( ('%lli', 'lli') ) # Add site-specific substitutions. config.substitutions.append( ('%ocamlopt', config.ocamlopt_executable) ) config.substitutions.append( ('%llvmshlibdir', config.llvm_shlib_dir) ) config.substitutions.append( ('%shlibext', config.llvm_shlib_ext) ) # 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' or '-clang'. if os.pathsep == ';': pathext = os.environ.get('PATHEXT', '').split(';') else: pathext = [''] for pattern in [r"\bbugpoint\b(?!-)", r"(?<!/|-)\bclang\b(?!-)", r"\bgold\b", # LOCALMOD - match pnacl-llc r"\bpnacl-llc\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-cov\b", r"\bllvm-diff\b", r"\bllvm-dis\b", r"\bllvm-dwarfdump\b", r"\bllvm-extract\b", r"\bllvm-jistlistener\b", r"\bllvm-link\b", r"\bllvm-mc\b", r"\bllvm-nm\b", r"\bllvm-objdump\b", r"\bllvm-prof\b", r"\bllvm-ranlib\b", r"\bllvm-rtdyld\b", r"\bllvm-shlib\b", r"\bllvm-size\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"\bllvm-tblgen\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) for ext in pathext: substitution_ext = substitution + ext if os.path.exists(substitution_ext): substitution = substitution_ext break config.substitutions.append((pattern, substitution)) ### Features # Shell execution if execute_external: 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') # LTO on OS X if config.lto_is_enabled == "1" and platform.system() == "Darwin": config.available_features.add('lto_on_osx') # Sanitizers. if config.llvm_use_sanitizer == "Address": config.available_features.add("asan") if (config.llvm_use_sanitizer == "Memory" or config.llvm_use_sanitizer == "MemoryWithOrigins"): config.available_features.add("msan") # Direct object generation if not 'hexagon' in config.target_triple: config.available_features.add("object-emission") if config.have_zlib == "1": config.available_features.add("zlib") # llc knows whether he is compiled with -DNDEBUG. import subprocess try: llc_cmd = subprocess.Popen([os.path.join(llvm_tools_dir, 'llc'), '-version'], stdout = subprocess.PIPE) except OSError, why: print "Could not find llc in " + llvm_tools_dir exit(42) if re.search(r'with assertions', llc_cmd.stdout.read()): config.available_features.add('asserts') llc_cmd.wait()