# -*- Python -*- # Configuration file for the 'lit' test runner. import os import sys import re import platform import lit.util import lit.formats # 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_config.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) # suffixes: A list of file extensions to treat as test files. This is overriden # by individual lit.local.cfg files in the test subdirectories. config.suffixes = ['.ll', '.c', '.cpp', '.test', '.txt', '.s'] # 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', 'CMakeLists.txt', 'README.txt', 'LICENSE.txt'] # 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_config.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_config.params.get('llvm_site_config', None) if site_cfg and os.path.exists(site_cfg): lit_config.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_config.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_config.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_config.fatal('No site specific configuration available!') # Okay, that worked. Notify the user of the automagic, and reconfigure. lit_config.note('using out-of-tree build at %r' % llvm_obj_root) lit_config.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) ) # Similarly, have a macro to use llc with DWARF even when the host is win32. llc_dwarf = 'llc' if re.search(r'win32', config.target_triple): llc_dwarf += ' -mtriple='+config.target_triple.replace('-win32', '-mingw32') config.substitutions.append( ('%llc_dwarf', llc_dwarf) ) # 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_config.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 'i386' in config.target_triple or '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) ) config.substitutions.append( ('%exeext', config.llvm_exe_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 = [''] # Regex to reject matching a hyphen NOHYPHEN = r"(?