lit.cfg
# -*- 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()
# 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 = []
# test_source_root: The root path where tests are located.
config.test_source_root = os.path.dirname(__file__)
# Tweak PATH for Win32
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
# 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
###
# 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)
# 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
# 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 substitutions.
for sub in ['link', 'shlibext', 'ocamlopt', 'llvmshlibdir']:
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' 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-ld\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", r"\bllvm-stub\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()
