1# -*- Python -*- 2 3# Configuration file for the 'lit' test runner. 4 5import os 6import sys 7import re 8 9# name: The name of this test suite. 10config.name = 'LLVM' 11 12# testFormat: The test format to use to interpret tests. 13config.test_format = lit.formats.TclTest() 14 15# To ignore test output on stderr so it doesn't trigger failures uncomment this: 16#config.test_format = lit.formats.TclTest(ignoreStdErr=True) 17 18# suffixes: A list of file extensions to treat as test files, this is actually 19# set by on_clone(). 20config.suffixes = [] 21 22# test_source_root: The root path where tests are located. 23config.test_source_root = os.path.dirname(__file__) 24 25# Tweak PATH for Win32 26if sys.platform in ['win32']: 27 # Seek sane tools in directories and set to $PATH. 28 path = getattr(config, 'lit_tools_dir', None) 29 path = lit.getToolsPath(path, 30 config.environment['PATH'], 31 ['cmp.exe', 'grep.exe', 'sed.exe']) 32 if path is not None: 33 path = os.path.pathsep.join((path, 34 config.environment['PATH'])) 35 config.environment['PATH'] = path 36 37# test_exec_root: The root path where tests should be run. 38llvm_obj_root = getattr(config, 'llvm_obj_root', None) 39if llvm_obj_root is not None: 40 config.test_exec_root = os.path.join(llvm_obj_root, 'test') 41 42# Tweak the PATH to include the scripts dir, the tools dir, and the llvm-gcc bin 43# dir (if available). 44if llvm_obj_root is not None: 45 llvm_src_root = getattr(config, 'llvm_src_root', None) 46 if not llvm_src_root: 47 lit.fatal('No LLVM source root set!') 48 path = os.path.pathsep.join((os.path.join(llvm_src_root, 'test', 49 'Scripts'), 50 config.environment['PATH'])) 51 config.environment['PATH'] = path 52 53 llvm_tools_dir = getattr(config, 'llvm_tools_dir', None) 54 if not llvm_tools_dir: 55 lit.fatal('No LLVM tools dir set!') 56 path = os.path.pathsep.join((llvm_tools_dir, config.environment['PATH'])) 57 config.environment['PATH'] = path 58 59# Propagate 'HOME' through the environment. 60if 'HOME' in os.environ: 61 config.environment['HOME'] = os.environ['HOME'] 62 63# Propagate 'INCLUDE' through the environment. 64if 'INCLUDE' in os.environ: 65 config.environment['INCLUDE'] = os.environ['INCLUDE'] 66 67# Propagate 'LIB' through the environment. 68if 'LIB' in os.environ: 69 config.environment['LIB'] = os.environ['LIB'] 70 71# Propagate the temp directory. Windows requires this because it uses \Windows\ 72# if none of these are present. 73if 'TMP' in os.environ: 74 config.environment['TMP'] = os.environ['TMP'] 75if 'TEMP' in os.environ: 76 config.environment['TEMP'] = os.environ['TEMP'] 77 78# Propagate LLVM_SRC_ROOT into the environment. 79config.environment['LLVM_SRC_ROOT'] = getattr(config, 'llvm_src_root', '') 80 81# Propagate PYTHON_EXECUTABLE into the environment 82config.environment['PYTHON_EXECUTABLE'] = getattr(config, 'python_executable', 83 '') 84 85### 86 87import os 88 89# Check that the object root is known. 90if config.test_exec_root is None: 91 # Otherwise, we haven't loaded the site specific configuration (the user is 92 # probably trying to run on a test file directly, and either the site 93 # configuration hasn't been created by the build system, or we are in an 94 # out-of-tree build situation). 95 96 # Check for 'llvm_site_config' user parameter, and use that if available. 97 site_cfg = lit.params.get('llvm_site_config', None) 98 if site_cfg and os.path.exists(site_cfg): 99 lit.load_config(config, site_cfg) 100 raise SystemExit 101 102 # Try to detect the situation where we are using an out-of-tree build by 103 # looking for 'llvm-config'. 104 # 105 # FIXME: I debated (i.e., wrote and threw away) adding logic to 106 # automagically generate the lit.site.cfg if we are in some kind of fresh 107 # build situation. This means knowing how to invoke the build system 108 # though, and I decided it was too much magic. 109 110 llvm_config = lit.util.which('llvm-config', config.environment['PATH']) 111 if not llvm_config: 112 lit.fatal('No site specific configuration available!') 113 114 # Get the source and object roots. 115 llvm_src_root = lit.util.capture(['llvm-config', '--src-root']).strip() 116 llvm_obj_root = lit.util.capture(['llvm-config', '--obj-root']).strip() 117 118 # Validate that we got a tree which points to here. 119 this_src_root = os.path.dirname(config.test_source_root) 120 if os.path.realpath(llvm_src_root) != os.path.realpath(this_src_root): 121 lit.fatal('No site specific configuration available!') 122 123 # Check that the site specific configuration exists. 124 site_cfg = os.path.join(llvm_obj_root, 'test', 'lit.site.cfg') 125 if not os.path.exists(site_cfg): 126 lit.fatal('No site specific configuration available!') 127 128 # Okay, that worked. Notify the user of the automagic, and reconfigure. 129 lit.note('using out-of-tree build at %r' % llvm_obj_root) 130 lit.load_config(config, site_cfg) 131 raise SystemExit 132 133### 134 135# Load site data from DejaGNU's site.exp. 136import re 137site_exp = {} 138# FIXME: Implement lit.site.cfg. 139for line in open(os.path.join(config.llvm_obj_root, 'test', 'site.exp')): 140 m = re.match('set ([^ ]+) "(.*)"', line) 141 if m: 142 site_exp[m.group(1)] = m.group(2) 143 144# Provide target_triple for use in XFAIL and XTARGET. 145config.target_triple = site_exp['target_triplet'] 146 147# When running under valgrind, we mangle '-vg' or '-vg_leak' onto the end of the 148# triple so we can check it with XFAIL and XTARGET. 149config.target_triple += lit.valgrindTriple 150 151# Process jit implementation option 152jit_impl_cfg = lit.params.get('jit_impl', None) 153if jit_impl_cfg == 'mcjit': 154 # When running with mcjit, mangle -mcjit into target triple 155 # and add -use-mcjit flag to lli invocation 156 if 'i686' in config.target_triple: 157 config.target_triple += jit_impl_cfg + '-ia32' 158 elif 'x86_64' in config.target_triple: 159 config.target_triple += jit_impl_cfg + '-ia64' 160 else: 161 config.target_triple += jit_impl_cfg 162 163 config.substitutions.append( ('%lli', 'lli -use-mcjit') ) 164else: 165 config.substitutions.append( ('%lli', 'lli') ) 166 167# Add substitutions. 168for sub in ['link', 'shlibext', 'ocamlopt', 'llvmshlibdir']: 169 config.substitutions.append(('%' + sub, site_exp[sub])) 170 171# For each occurrence of an llvm tool name as its own word, replace it 172# with the full path to the build directory holding that tool. This 173# ensures that we are testing the tools just built and not some random 174# tools that might happen to be in the user's PATH. Thus this list 175# includes every tool placed in $(LLVM_OBJ_ROOT)/$(BuildMode)/bin 176# (llvm_tools_dir in lit parlance). 177 # Don't match 'bugpoint-' or 'clang-'. 178 # Don't match '/clang' or '-clang'. 179if os.pathsep == ';': 180 pathext = os.environ.get('PATHEXT', '').split(';') 181else: 182 pathext = [''] 183for pattern in [r"\bbugpoint\b(?!-)", r"(?<!/|-)\bclang\b(?!-)", 184 r"\bgold\b", 185 r"\bllc\b", r"\blli\b", 186 r"\bllvm-ar\b", r"\bllvm-as\b", 187 r"\bllvm-bcanalyzer\b", r"\bllvm-config\b", 188 r"\bllvm-cov\b", r"\bllvm-diff\b", 189 r"\bllvm-dis\b", r"\bllvm-dwarfdump\b", 190 r"\bllvm-extract\b", r"\bllvm-ld\b", 191 r"\bllvm-link\b", r"\bllvm-mc\b", 192 r"\bllvm-nm\b", r"\bllvm-objdump\b", 193 r"\bllvm-prof\b", r"\bllvm-ranlib\b", 194 r"\bllvm-rtdyld\b", r"\bllvm-shlib\b", 195 r"\bllvm-size\b", r"\bllvm-stub\b", 196 # Don't match '-llvmc'. 197 r"(?<!-)\bllvmc\b", r"\blto\b", 198 # Don't match '.opt', '-opt', 199 # '^opt' or '/opt'. 200 r"\bmacho-dump\b", r"(?<!\.|-|\^|/)\bopt\b", 201 r"\bllvm-tblgen\b", r"\bFileCheck\b", 202 r"\bFileUpdate\b", r"\bc-index-test\b", 203 r"\bfpcmp\b", r"\bllvm-PerfectShuffle\b", 204 # Handle these specially as they are strings searched 205 # for during testing. 206 r"\| \bcount\b", r"\| \bnot\b"]: 207 # Extract the tool name from the pattern. This relies on the tool 208 # name being surrounded by \b word match operators. If the 209 # pattern starts with "| ", include it in the string to be 210 # substituted. 211 substitution = re.sub(r"^(\\)?((\| )?)\W+b([0-9A-Za-z-_]+)\\b\W*$", 212 r"\2" + llvm_tools_dir + "/" + r"\4", 213 pattern) 214 for ext in pathext: 215 substitution_ext = substitution + ext 216 if os.path.exists(substitution_ext): 217 substitution = substitution_ext 218 break 219 config.substitutions.append((pattern, substitution)) 220 221### Features 222 223# Shell execution 224if sys.platform not in ['win32'] or lit.getBashPath() != '': 225 config.available_features.add('shell') 226 227# Loadable module 228# FIXME: This should be supplied by Makefile or autoconf. 229if sys.platform in ['win32', 'cygwin']: 230 loadable_module = (config.enable_shared == 1) 231else: 232 loadable_module = True 233 234if loadable_module: 235 config.available_features.add('loadable_module') 236 237# llc knows whether he is compiled with -DNDEBUG. 238import subprocess 239try: 240 llc_cmd = subprocess.Popen([os.path.join(llvm_tools_dir, 'llc'), '-version'], 241 stdout = subprocess.PIPE) 242except OSError, why: 243 print "Could not find llc in " + llvm_tools_dir 244 exit(42) 245 246if re.search(r'with assertions', llc_cmd.stdout.read()): 247 config.available_features.add('asserts') 248llc_cmd.wait() 249