| # -*- Python -*- |
| |
| # Configuration file for the 'lit' test runner. |
| |
| import os |
| import sys |
| import re |
| |
| # 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 |
| |
| # testFormat: The test format to use to interpret tests. |
| execute_external = (not sys.platform in ['win32'] |
| or lit.getBashPath() not in [None, ""]) |
| 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 scripts dir, the tools dir, and the llvm-gcc bin |
| # dir (if available). |
| if llvm_obj_root is not None: |
| 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 |
| |
| ### |
| |
| # Provide a target triple for mcjit tests |
| mcjit_triple = config.target_triple |
| # Force ELF format on Windows |
| if re.search(r'cygwin|mingw32|win32', mcjit_triple): |
| mcjit_triple += "-elf" |
| config.substitutions.append( ('%mcjit_triple', mcjit_triple) ) |
| |
| # 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 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 |
| defaultIsMCJIT='true' if 'arm' in config.target_triple else '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", |
| 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-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 sys.platform not in ['win32'] or lit.getBashPath() != '': |
| 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') |
| |
| # 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() |