def get_function_body(args, filename, clang_args, extra_commands, prefixes,
triple_in_cmd, func_dict):
# TODO Clean up duplication of asm/common build_function_body_dictionary
# Invoke external tool and extract function bodies.
raw_tool_output = common.invoke_tool(args.clang, clang_args, filename)
for extra_command in extra_commands:
extra_args = shlex.split(extra_command)
with tempfile.NamedTemporaryFile() as f:
f.write(raw_tool_output.encode())
f.flush()
if extra_args[0] == 'opt':
if args.opt is None:
print(filename, 'needs to run opt. '
'Please specify --llvm-bin or --opt',
file=sys.stderr)
sys.exit(1)
extra_args[0] = args.opt
raw_tool_output = common.invoke_tool(extra_args[0], extra_args[1:],
f.name)
if '-emit-llvm' in clang_args:
common.build_function_body_dictionary(common.OPT_FUNCTION_RE,
common.scrub_body, [],
raw_tool_output, prefixes,
func_dict, args.verbose,
args.function_signature)
else:
print(
'The clang command line should include -emit-llvm as asm tests '
'are discouraged in Clang testsuite.',
file=sys.stderr)
sys.exit(1)
def get_function_body(args, filename, clang_args, prefixes, triple_in_cmd, func_dict):
# TODO Clean up duplication of asm/common build_function_body_dictionary
# Invoke external tool and extract function bodies.
raw_tool_output = common.invoke_tool(args.clang, clang_args, filename)
if '-emit-llvm' in clang_args:
common.build_function_body_dictionary(
common.OPT_FUNCTION_RE, common.scrub_body, [],
raw_tool_output, prefixes, func_dict, args.verbose)
else:
print('The clang command line should include -emit-llvm as asm tests '
'are discouraged in Clang testsuite.', file=sys.stderr)
sys.exit(1)
def get_function_body(args, filename, clang_args, prefixes, triple_in_cmd, func_dict):
# TODO Clean up duplication of asm/common build_function_body_dictionary
# Invoke external tool and extract function bodies.
raw_tool_output = common.invoke_tool(args.clang, clang_args, filename)
if '-emit-llvm' in clang_args:
common.build_function_body_dictionary(
common.OPT_FUNCTION_RE, common.scrub_body, [],
raw_tool_output, prefixes, func_dict, args.verbose)
else:
print('The clang command line should include -emit-llvm as asm tests '
'are discouraged in Clang testsuite.', file=sys.stderr)
sys.exit(1)
def _get_block_infos(run_infos, test_path, args, common_prefix): # noqa
""" For each run line, run the tool with the specified args and collect the
output. We use the concept of 'blocks' for uniquing, where a block is
a series of lines of text with no more than one newline character between
each one. For example:
This
is
one
block
This is
another block
This is yet another block
We then build up a 'block_infos' structure containing a dict where the
text of each block is the key and a list of the sets of prefixes that may
generate that particular block. This then goes through a series of
transformations to minimise the amount of CHECK lines that need to be
written by taking advantage of common prefixes.
"""
def _block_key(tool_args, prefixes):
""" Get a hashable key based on the current tool_args and prefixes.
"""
return ' '.join([tool_args] + prefixes)
all_blocks = {}
max_block_len = 0
# A cache of the furthest-back position in any block list of the first
# instance of each block, indexed by the block itself.
farthest_indexes = defaultdict(int)
# Run the tool for each run line to generate all of the blocks.
for prefixes, tool_args in run_infos:
key = _block_key(tool_args, prefixes)
raw_tool_output = common.invoke_tool(args.llvm_mca_binary, tool_args,
test_path)
# Replace any lines consisting of purely whitespace with empty lines.
raw_tool_output = '\n'.join(line if line.strip() else ''
for line in raw_tool_output.splitlines())
# Split blocks, stripping all trailing whitespace, but keeping preceding
# whitespace except for newlines so that columns will line up visually.
all_blocks[key] = [
b.lstrip('\n').rstrip() for b in raw_tool_output.split('\n\n')
]
max_block_len = max(max_block_len, len(all_blocks[key]))
# Attempt to align matching blocks until no more changes can be made.
made_changes = True
while made_changes:
made_changes = _align_matching_blocks(all_blocks, farthest_indexes)
# If necessary, pad the lists of blocks with empty blocks so that they are
# all the same length.
for key in all_blocks:
len_to_pad = max_block_len - len(all_blocks[key])
all_blocks[key] += [''] * len_to_pad
# Create the block_infos structure where it is a nested dict in the form of:
# block number -> block text -> list of prefix sets
block_infos = defaultdict(lambda: defaultdict(list))
for prefixes, tool_args in run_infos:
key = _block_key(tool_args, prefixes)
for block_num, block_text in enumerate(all_blocks[key]):
block_infos[block_num][block_text].append(set(prefixes))
# Now go through the block_infos structure and attempt to smartly prune the
# number of prefixes per block to the minimal set possible to output.
for block_num in range(len(block_infos)):
# When there are multiple block texts for a block num, remove any
# prefixes that are common to more than one of them.
# E.g. [ [{ALL,FOO}] , [{ALL,BAR}] ] -> [ [{FOO}] , [{BAR}] ]
all_sets = [s for s in block_infos[block_num].values()]
pruned_sets = []
for i, setlist in enumerate(all_sets):
other_set_values = set([
elem for j, setlist2 in enumerate(all_sets)
for set_ in setlist2 for elem in set_ if i != j
])
pruned_sets.append([s - other_set_values for s in setlist])
for i, block_text in enumerate(block_infos[block_num]):
# When a block text matches multiple sets of prefixes, try removing any
# prefixes that aren't common to all of them.
# E.g. [ {ALL,FOO} , {ALL,BAR} ] -> [{ALL}]
common_values = set.intersection(*pruned_sets[i])
if common_values:
pruned_sets[i] = [common_values]
# Everything should be uniqued as much as possible by now. Apply the
# newly pruned sets to the block_infos structure.
# If there are any blocks of text that still match multiple prefixes,
# output a warning.
current_set = set()
for s in pruned_sets[i]:
s = sorted(list(s))
if s:
current_set.add(s[0])
if len(s) > 1:
_warn('Multiple prefixes generating same output: {} '
'(discarding {})'.format(','.join(s),
','.join(s[1:])))
if block_text and not current_set:
raise Error(
'block not captured by existing prefixes:\n\n{}'.format(
block_text))
block_infos[block_num][block_text] = sorted(list(current_set))
# If we have multiple block_texts, try to break them down further to avoid
# the case where we have very similar block_texts repeated after each
# other.
if common_prefix and len(block_infos[block_num]) > 1:
# We'll only attempt this if each of the block_texts have the same number
# of lines as each other.
same_num_Lines = (len(
set(
len(k.splitlines())
for k in block_infos[block_num].keys())) == 1)
if same_num_Lines:
breakdown = _break_down_block(block_infos[block_num],
common_prefix)
if breakdown:
block_infos[block_num] = breakdown
return block_infos
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
'--llc-binary',
default='llc',
help='The "llc" binary to use to generate the test case')
parser.add_argument('--function',
help='The function in the test file to update')
parser.add_argument(
'--extra_scrub',
action='store_true',
help=
'Always use additional regex to further reduce diffs between various subtargets'
)
parser.add_argument(
'--x86_scrub_rip',
action='store_true',
default=True,
help=
'Use more regex for x86 matching to reduce diffs between various subtargets'
)
parser.add_argument('--no_x86_scrub_rip',
action='store_false',
dest='x86_scrub_rip')
parser.add_argument('tests', nargs='+')
args = common.parse_commandline_args(parser)
script_name = os.path.basename(__file__)
test_paths = [
test for pattern in args.tests for test in glob.glob(pattern)
]
for test in test_paths:
with open(test) as f:
input_lines = [l.rstrip() for l in f]
first_line = input_lines[0] if input_lines else ""
if 'autogenerated' in first_line and script_name not in first_line:
common.warn(
"Skipping test which wasn't autogenerated by " + script_name,
test)
continue
if args.update_only:
if not first_line or 'autogenerated' not in first_line:
common.warn("Skipping test which isn't autogenerated: " + test)
continue
triple_in_ir = None
for l in input_lines:
m = common.TRIPLE_IR_RE.match(l)
if m:
triple_in_ir = m.groups()[0]
break
run_lines = common.find_run_lines(test, input_lines)
run_list = []
for l in run_lines:
if '|' not in l:
common.warn('Skipping unparseable RUN line: ' + l)
continue
commands = [cmd.strip() for cmd in l.split('|', 1)]
llc_cmd = commands[0]
llc_tool = llc_cmd.split(' ')[0]
triple_in_cmd = None
m = common.TRIPLE_ARG_RE.search(llc_cmd)
if m:
triple_in_cmd = m.groups()[0]
march_in_cmd = None
m = common.MARCH_ARG_RE.search(llc_cmd)
if m:
march_in_cmd = m.groups()[0]
filecheck_cmd = ''
if len(commands) > 1:
filecheck_cmd = commands[1]
common.verify_filecheck_prefixes(filecheck_cmd)
if llc_tool != 'llc':
common.warn('Skipping non-llc RUN line: ' + l)
continue
if not filecheck_cmd.startswith('FileCheck '):
common.warn('Skipping non-FileChecked RUN line: ' + l)
continue
llc_cmd_args = llc_cmd[len(llc_tool):].strip()
llc_cmd_args = llc_cmd_args.replace('< %s',
'').replace('%s', '').strip()
if test.endswith('.mir'):
llc_cmd_args += ' -x mir'
check_prefixes = [
item for m in common.CHECK_PREFIX_RE.finditer(filecheck_cmd)
for item in m.group(1).split(',')
]
if not check_prefixes:
check_prefixes = ['CHECK']
# FIXME: We should use multiple check prefixes to common check lines. For
# now, we just ignore all but the last.
run_list.append(
(check_prefixes, llc_cmd_args, triple_in_cmd, march_in_cmd))
if test.endswith('.mir'):
comment_sym = '#'
check_indent = ' '
else:
comment_sym = ';'
check_indent = ''
autogenerated_note = (comment_sym + ADVERT + 'utils/' + script_name)
func_dict = {}
for p in run_list:
prefixes = p[0]
for prefix in prefixes:
func_dict.update({prefix: dict()})
for prefixes, llc_args, triple_in_cmd, march_in_cmd in run_list:
common.debug('Extracted LLC cmd:', llc_tool, llc_args)
common.debug('Extracted FileCheck prefixes:', str(prefixes))
raw_tool_output = common.invoke_tool(args.llc_binary, llc_args,
test)
triple = triple_in_cmd or triple_in_ir
if not triple:
triple = asm.get_triple_from_march(march_in_cmd)
asm.build_function_body_dictionary_for_triple(
args, raw_tool_output, triple, prefixes, func_dict)
is_in_function = False
is_in_function_start = False
func_name = None
prefix_set = set([prefix for p in run_list for prefix in p[0]])
common.debug('Rewriting FileCheck prefixes:', str(prefix_set))
output_lines = []
output_lines.append(autogenerated_note)
for input_line in input_lines:
if is_in_function_start:
if input_line == '':
continue
if input_line.lstrip().startswith(';'):
m = common.CHECK_RE.match(input_line)
if not m or m.group(1) not in prefix_set:
output_lines.append(input_line)
continue
# Print out the various check lines here.
asm.add_asm_checks(output_lines, check_indent + ';', run_list,
func_dict, func_name)
is_in_function_start = False
if is_in_function:
if common.should_add_line_to_output(input_line, prefix_set):
# This input line of the function body will go as-is into the output.
output_lines.append(input_line)
else:
continue
if input_line.strip() == '}':
is_in_function = False
continue
# Discard any previous script advertising.
if input_line.startswith(comment_sym + ADVERT):
continue
# If it's outside a function, it just gets copied to the output.
output_lines.append(input_line)
m = common.IR_FUNCTION_RE.match(input_line)
if not m:
continue
func_name = m.group(1)
if args.function is not None and func_name != args.function:
# When filtering on a specific function, skip all others.
continue
is_in_function = is_in_function_start = True
common.debug('Writing %d lines to %s...' % (len(output_lines), test))
with open(test, 'wb') as f:
f.writelines(
['{}\n'.format(l).encode('utf-8') for l in output_lines])
def main():
from argparse import RawTextHelpFormatter
parser = argparse.ArgumentParser(description=__doc__,
formatter_class=RawTextHelpFormatter)
parser.add_argument('-v',
'--verbose',
action='store_true',
help='Show verbose output')
parser.add_argument('--opt-binary',
default='opt',
help='The opt binary used to generate the test case')
parser.add_argument('--function',
help='The function in the test file to update')
parser.add_argument('-u',
'--update-only',
action='store_true',
help='Only update test if it was already autogened')
parser.add_argument('tests', nargs='+')
args = parser.parse_args()
script_name = os.path.basename(__file__)
autogenerated_note = (ADVERT + 'utils/' + script_name)
opt_basename = os.path.basename(args.opt_binary)
if (opt_basename != "opt"):
common.error('Unexpected opt name: ' + opt_basename)
sys.exit(1)
test_paths = [
test for pattern in args.tests for test in glob.glob(pattern)
]
for test in test_paths:
if args.verbose:
print('Scanning for RUN lines in test file: %s' % (test, ),
file=sys.stderr)
with open(test) as f:
input_lines = [l.rstrip() for l in f]
first_line = input_lines[0] if input_lines else ""
if 'autogenerated' in first_line and script_name not in first_line:
common.warn("Skipping test which wasn't autogenerated by " +
script_name + ": " + test)
continue
if args.update_only:
if not first_line or 'autogenerated' not in first_line:
common.warn("Skipping test which isn't autogenerated: " + test)
continue
raw_lines = [
m.group(1)
for m in [common.RUN_LINE_RE.match(l) for l in input_lines] if m
]
run_lines = [raw_lines[0]] if len(raw_lines) > 0 else []
for l in raw_lines[1:]:
if run_lines[-1].endswith("\\"):
run_lines[-1] = run_lines[-1].rstrip("\\") + " " + l
else:
run_lines.append(l)
if args.verbose:
print('Found %d RUN lines:' % (len(run_lines), ), file=sys.stderr)
for l in run_lines:
print(' RUN: ' + l, file=sys.stderr)
prefix_list = []
for l in run_lines:
if '|' not in l:
common.warn('Skipping unparseable RUN line: ' + l)
continue
(tool_cmd,
filecheck_cmd) = tuple([cmd.strip() for cmd in l.split('|', 1)])
common.verify_filecheck_prefixes(filecheck_cmd)
if not tool_cmd.startswith(opt_basename + ' '):
common.warn('WSkipping non-%s RUN line: %s' %
(opt_basename, l))
continue
if not filecheck_cmd.startswith('FileCheck '):
common.warn('Skipping non-FileChecked RUN line: ' + l)
continue
tool_cmd_args = tool_cmd[len(opt_basename):].strip()
tool_cmd_args = tool_cmd_args.replace('< %s',
'').replace('%s',
'').strip()
check_prefixes = [
item for m in common.CHECK_PREFIX_RE.finditer(filecheck_cmd)
for item in m.group(1).split(',')
]
if not check_prefixes:
check_prefixes = ['CHECK']
# FIXME: We should use multiple check prefixes to common check lines. For
# now, we just ignore all but the last.
prefix_list.append((check_prefixes, tool_cmd_args))
func_dict = {}
for prefixes, _ in prefix_list:
for prefix in prefixes:
func_dict.update({prefix: dict()})
for prefixes, opt_args in prefix_list:
if args.verbose:
print('Extracted opt cmd: ' + opt_basename + ' ' + opt_args,
file=sys.stderr)
print('Extracted FileCheck prefixes: ' + str(prefixes),
file=sys.stderr)
raw_tool_outputs = common.invoke_tool(args.opt_binary, opt_args,
test)
# Split analysis outputs by "Printing analysis " declarations.
for raw_tool_output in re.split(r'Printing analysis ',
raw_tool_outputs):
common.build_function_body_dictionary(
common.ANALYZE_FUNCTION_RE, common.scrub_body, [],
raw_tool_output, prefixes, func_dict, args.verbose, False)
is_in_function = False
is_in_function_start = False
prefix_set = set(
[prefix for prefixes, _ in prefix_list for prefix in prefixes])
if args.verbose:
print('Rewriting FileCheck prefixes: %s' % (prefix_set, ),
file=sys.stderr)
output_lines = []
output_lines.append(autogenerated_note)
for input_line in input_lines:
if is_in_function_start:
if input_line == '':
continue
if input_line.lstrip().startswith(';'):
m = common.CHECK_RE.match(input_line)
if not m or m.group(1) not in prefix_set:
output_lines.append(input_line)
continue
# Print out the various check lines here.
common.add_analyze_checks(output_lines, ';', prefix_list,
func_dict, func_name)
is_in_function_start = False
if is_in_function:
if common.should_add_line_to_output(input_line, prefix_set):
# This input line of the function body will go as-is into the output.
# Except make leading whitespace uniform: 2 spaces.
input_line = common.SCRUB_LEADING_WHITESPACE_RE.sub(
r' ', input_line)
output_lines.append(input_line)
else:
continue
if input_line.strip() == '}':
is_in_function = False
continue
# Discard any previous script advertising.
if input_line.startswith(ADVERT):
continue
# If it's outside a function, it just gets copied to the output.
output_lines.append(input_line)
m = IR_FUNCTION_RE.match(input_line)
if not m:
continue
func_name = m.group(1)
if args.function is not None and func_name != args.function:
# When filtering on a specific function, skip all others.
continue
is_in_function = is_in_function_start = True
if args.verbose:
print('Writing %d lines to %s...' % (len(output_lines), test),
file=sys.stderr)
with open(test, 'wb') as f:
f.writelines(
['{}\n'.format(l).encode('utf-8') for l in output_lines])
def main():
from argparse import RawTextHelpFormatter
parser = argparse.ArgumentParser(description=__doc__,
formatter_class=RawTextHelpFormatter)
parser.add_argument('--opt-binary',
default='opt',
help='The opt binary used to generate the test case')
parser.add_argument('--function',
help='The function in the test file to update')
parser.add_argument('-p',
'--preserve-names',
action='store_true',
help='Do not scrub IR names')
parser.add_argument(
'--function-signature',
action='store_true',
help='Keep function signature information around for the check line')
parser.add_argument(
'--scrub-attributes',
action='store_true',
help='Remove attribute annotations (#0) from the end of check line')
parser.add_argument('--check-attributes',
action='store_true',
help='Check "Function Attributes" for functions')
parser.add_argument('tests', nargs='+')
initial_args = common.parse_commandline_args(parser)
script_name = os.path.basename(__file__)
opt_basename = os.path.basename(initial_args.opt_binary)
if not re.match(r'^opt(-\d+)?$', opt_basename):
common.error('Unexpected opt name: ' + opt_basename)
sys.exit(1)
opt_basename = 'opt'
for ti in common.itertests(initial_args.tests,
parser,
script_name='utils/' + script_name):
# If requested we scrub trailing attribute annotations, e.g., '#0', together with whitespaces
if ti.args.scrub_attributes:
common.SCRUB_TRAILING_WHITESPACE_TEST_RE = common.SCRUB_TRAILING_WHITESPACE_AND_ATTRIBUTES_RE
else:
common.SCRUB_TRAILING_WHITESPACE_TEST_RE = common.SCRUB_TRAILING_WHITESPACE_RE
prefix_list = []
for l in ti.run_lines:
if '|' not in l:
common.warn('Skipping unparseable RUN line: ' + l)
continue
(tool_cmd,
filecheck_cmd) = tuple([cmd.strip() for cmd in l.split('|', 1)])
common.verify_filecheck_prefixes(filecheck_cmd)
if not tool_cmd.startswith(opt_basename + ' '):
common.warn('Skipping non-%s RUN line: %s' % (opt_basename, l))
continue
if not filecheck_cmd.startswith('FileCheck '):
common.warn('Skipping non-FileChecked RUN line: ' + l)
continue
tool_cmd_args = tool_cmd[len(opt_basename):].strip()
tool_cmd_args = tool_cmd_args.replace('< %s',
'').replace('%s',
'').strip()
check_prefixes = [
item for m in common.CHECK_PREFIX_RE.finditer(filecheck_cmd)
for item in m.group(1).split(',')
]
if not check_prefixes:
check_prefixes = ['CHECK']
# FIXME: We should use multiple check prefixes to common check lines. For
# now, we just ignore all but the last.
prefix_list.append((check_prefixes, tool_cmd_args))
global_vars_seen_dict = {}
func_dict = {}
for prefixes, _ in prefix_list:
for prefix in prefixes:
func_dict.update({prefix: dict()})
for prefixes, opt_args in prefix_list:
common.debug('Extracted opt cmd: ' + opt_basename + ' ' + opt_args)
common.debug('Extracted FileCheck prefixes: ' + str(prefixes))
raw_tool_output = common.invoke_tool(ti.args.opt_binary, opt_args,
ti.path)
common.build_function_body_dictionary(common.OPT_FUNCTION_RE,
common.scrub_body, [],
raw_tool_output, prefixes,
func_dict, ti.args.verbose,
ti.args.function_signature,
ti.args.check_attributes)
is_in_function = False
is_in_function_start = False
prefix_set = set(
[prefix for prefixes, _ in prefix_list for prefix in prefixes])
common.debug('Rewriting FileCheck prefixes:', str(prefix_set))
output_lines = []
for input_line_info in ti.iterlines(output_lines):
input_line = input_line_info.line
args = input_line_info.args
if is_in_function_start:
if input_line == '':
continue
if input_line.lstrip().startswith(';'):
m = common.CHECK_RE.match(input_line)
if not m or m.group(1) not in prefix_set:
output_lines.append(input_line)
continue
# Print out the various check lines here.
common.add_ir_checks(output_lines, ';', prefix_list, func_dict,
func_name, args.preserve_names,
args.function_signature,
global_vars_seen_dict)
is_in_function_start = False
if is_in_function:
if common.should_add_line_to_output(input_line, prefix_set):
# This input line of the function body will go as-is into the output.
# Except make leading whitespace uniform: 2 spaces.
input_line = common.SCRUB_LEADING_WHITESPACE_RE.sub(
r' ', input_line)
output_lines.append(input_line)
else:
continue
if input_line.strip() == '}':
is_in_function = False
continue
# If it's outside a function, it just gets copied to the output.
output_lines.append(input_line)
m = common.IR_FUNCTION_RE.match(input_line)
if not m:
continue
func_name = m.group(1)
if args.function is not None and func_name != args.function:
# When filtering on a specific function, skip all others.
continue
is_in_function = is_in_function_start = True
common.debug('Writing %d lines to %s...' %
(len(output_lines), ti.path))
with open(ti.path, 'wb') as f:
f.writelines(
['{}\n'.format(l).encode('utf-8') for l in output_lines])
def main():
from argparse import RawTextHelpFormatter
parser = argparse.ArgumentParser(description=__doc__,
formatter_class=RawTextHelpFormatter)
parser.add_argument('-v',
'--verbose',
action='store_true',
help='Show verbose output')
parser.add_argument('--opt-binary',
default='opt',
help='The opt binary used to generate the test case')
parser.add_argument('--function',
help='The function in the test file to update')
parser.add_argument('tests', nargs='+')
args = parser.parse_args()
autogenerated_note = (ADVERT + 'utils/' + os.path.basename(__file__))
opt_basename = os.path.basename(args.opt_binary)
if (opt_basename != "opt"):
print >> sys.stderr, 'ERROR: Unexpected opt name: ' + opt_basename
sys.exit(1)
for test in args.tests:
if args.verbose:
print >> sys.stderr, 'Scanning for RUN lines in test file: %s' % (
test, )
with open(test) as f:
input_lines = [l.rstrip() for l in f]
raw_lines = [
m.group(1)
for m in [common.RUN_LINE_RE.match(l) for l in input_lines] if m
]
run_lines = [raw_lines[0]] if len(raw_lines) > 0 else []
for l in raw_lines[1:]:
if run_lines[-1].endswith("\\"):
run_lines[-1] = run_lines[-1].rstrip("\\") + " " + l
else:
run_lines.append(l)
if args.verbose:
print >> sys.stderr, 'Found %d RUN lines:' % (len(run_lines), )
for l in run_lines:
print >> sys.stderr, ' RUN: ' + l
prefix_list = []
for l in run_lines:
if '|' not in l:
print >> sys.stderr, 'WARNING: Skipping non-FileChecked RUN line: ' + l
continue
(tool_cmd,
filecheck_cmd) = tuple([cmd.strip() for cmd in l.split('|', 1)])
if tool_cmd.startswith("%cheri_"):
tool_cmd = tool_cmd.replace(
"%cheri_purecap_opt",
"opt -mtriple=cheri-unknown-freebsd -target-abi purecap -relocation-model pic -mcpu=cheri128 -mattr=+cheri128"
)
tool_cmd = tool_cmd.replace(
"%cheri_opt",
"opt -mtriple=cheri-unknown-freebsd -mcpu=cheri128 -mattr=+cheri128"
)
tool_cmd = tool_cmd.replace(
"%cheri128_opt",
"opt -mtriple=cheri-unknown-freebsd -mcpu=cheri128 -mattr=+cheri128"
)
tool_cmd = tool_cmd.replace(
"%cheri256_opt",
"opt -mtriple=cheri-unknown-freebsd -mcpu=cheri256 -mattr=+cheri256"
)
if not tool_cmd.startswith(opt_basename + ' '):
print >> sys.stderr, 'WARNING: Skipping non-%s RUN line: %s' % (
opt_basename, l)
continue
if not filecheck_cmd.startswith('FileCheck '):
print >> sys.stderr, 'WARNING: Skipping non-FileChecked RUN line: ' + l
continue
tool_cmd_args = tool_cmd[len(opt_basename):].strip()
tool_cmd_args = tool_cmd_args.replace('< %s',
'').replace('%s',
'').strip()
check_prefixes = [
item for m in common.CHECK_PREFIX_RE.finditer(filecheck_cmd)
for item in m.group(1).split(',')
]
if not check_prefixes:
check_prefixes = ['CHECK']
# FIXME: We should use multiple check prefixes to common check lines. For
# now, we just ignore all but the last.
prefix_list.append((check_prefixes, tool_cmd_args))
func_dict = {}
for prefixes, _ in prefix_list:
for prefix in prefixes:
func_dict.update({prefix: dict()})
for prefixes, opt_args in prefix_list:
if args.verbose:
print >> sys.stderr, 'Extracted opt cmd: ' + opt_basename + ' ' + opt_args
print >> sys.stderr, 'Extracted FileCheck prefixes: ' + str(
prefixes)
raw_tool_output = common.invoke_tool(args.opt_binary, opt_args,
test)
common.build_function_body_dictionary(common.OPT_FUNCTION_RE,
common.scrub_body, [],
raw_tool_output, prefixes,
func_dict, args.verbose)
is_in_function = False
is_in_function_start = False
prefix_set = set(
[prefix for prefixes, _ in prefix_list for prefix in prefixes])
if args.verbose:
print >> sys.stderr, 'Rewriting FileCheck prefixes: %s' % (
prefix_set, )
output_lines = []
output_lines.append(autogenerated_note)
for input_line in input_lines:
if is_in_function_start:
if input_line == '':
continue
if input_line.lstrip().startswith(';'):
m = common.CHECK_RE.match(input_line)
if not m or m.group(1) not in prefix_set:
output_lines.append(input_line)
continue
# Print out the various check lines here.
common.add_ir_checks(output_lines, ';', prefix_list, func_dict,
func_name)
is_in_function_start = False
if is_in_function:
if common.should_add_line_to_output(input_line, prefix_set):
# This input line of the function body will go as-is into the output.
# Except make leading whitespace uniform: 2 spaces.
input_line = common.SCRUB_LEADING_WHITESPACE_RE.sub(
r' ', input_line)
output_lines.append(input_line)
else:
continue
if input_line.strip() == '}':
is_in_function = False
continue
# Discard any previous script advertising.
if input_line.startswith(ADVERT):
continue
# If it's outside a function, it just gets copied to the output.
output_lines.append(input_line)
m = IR_FUNCTION_RE.match(input_line)
if not m:
continue
func_name = m.group(1)
if args.function is not None and func_name != args.function:
# When filtering on a specific function, skip all others.
continue
is_in_function = is_in_function_start = True
if args.verbose:
print >> sys.stderr, 'Writing %d lines to %s...' % (
len(output_lines), test)
with open(test, 'wb') as f:
f.writelines([l + '\n' for l in output_lines])
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
'--llc-binary',
default=None,
help='The "llc" binary to use to generate the test case')
parser.add_argument(
'--opt-binary',
default='opt',
help=
'The "opt" binary to use to generate the test case (if used for pre-processing)'
)
parser.add_argument('--function',
help='The function in the test file to update')
parser.add_argument(
'--extra_scrub',
action='store_true',
help=
'Always use additional regex to further reduce diffs between various subtargets'
)
parser.add_argument(
'--scrub-stack-indices',
action='store_true',
help=
'Use additional regex to further reduce diffs between 32/64-bit targets'
)
parser.add_argument(
'--x86_scrub_rip',
action='store_true',
default=True,
help=
'Use more regex for x86 matching to reduce diffs between various subtargets'
)
parser.add_argument('--no_x86_scrub_rip',
action='store_false',
dest='x86_scrub_rip')
parser.add_argument('--no_x86_scrub_mem_shuffle',
action='store_true',
default=False,
help='Reduce scrubbing shuffles with memory operands')
parser.add_argument('tests', nargs='+')
initial_args = common.parse_commandline_args(parser)
script_name = os.path.basename(__file__)
for ti in common.itertests(initial_args.tests,
parser,
script_name='utils/' + script_name):
triple_in_ir = None
for l in ti.input_lines:
m = common.TRIPLE_IR_RE.match(l)
if m:
triple_in_ir = m.groups()[0]
break
run_list = []
for l in ti.run_lines:
if '|' not in l:
common.warn('Skipping unparseable RUN line: ' + l)
continue
commands = [cmd.strip() for cmd in l.split('|', 2)]
preprocess_cmd = None
# Allow pre-preocessing test inputs with sed, etc.
if len(commands) == 3:
# TODO: allow other tools
first_command = commands[0]
if first_command.startswith("%"):
first_command = first_command.replace(
"%cheri_purecap_opt",
"opt -mtriple=mips64-unknown-freebsd -target-abi purecap -relocation-model pic -mcpu=cheri128 -mattr=+cheri128"
)
first_command = first_command.replace(
"%cheri128_purecap_opt",
"opt -mtriple=mips64-unknown-freebsd -target-abi purecap -relocation-model pic -mcpu=cheri128 -mattr=+cheri128"
)
first_command = first_command.replace(
"%cheri256_purecap_opt",
"opt -mtriple=mips64-unknown-freebsd -target-abi purecap -relocation-model pic -mcpu=cheri256 -mattr=+cheri256"
)
first_command = first_command.replace(
"%cheri_opt",
"opt -mtriple=mips64-unknown-freebsd -mcpu=cheri128 -mattr=+cheri128"
)
first_command = first_command.replace(
"%cheri128_opt",
"opt -mtriple=mips64-unknown-freebsd -mcpu=cheri128 -mattr=+cheri128"
)
first_command = first_command.replace(
"%cheri256_opt",
"opt -mtriple=mips64-unknown-freebsd -mcpu=cheri256 -mattr=+cheri256"
)
first_command = first_command.replace(
"%riscv32_cheri_purecap_opt",
"opt -mtriple=riscv32-unknown-freebsd -target-abi il32pc64 -mattr=+xcheri,+cap-mode"
)
first_command = first_command.replace(
"%riscv64_cheri_purecap_opt",
"opt -mtriple=riscv64-unknown-freebsd -target-abi l64pc128 -mattr=+xcheri,+cap-mode"
)
first_command = first_command.replace(
"%riscv32_cheri_opt",
"opt -mtriple=riscv32-unknown-freebsd -mattr=+xcheri")
first_command = first_command.replace(
"%riscv64_cheri_opt",
"opt -mtriple=riscv64-unknown-freebsd -mattr=+xcheri")
first_command_list = first_command.split()
known_command = False
if first_command_list[0] == "sed":
known_command = True
elif first_command_list[0] == "opt":
known_command = True
first_command_list[0] = ti.args.opt_binary
first_command = " ".join(first_command_list)
if not known_command:
common.warn(
'WARNING: Skipping RUN line with more than two commands and unknown first tool: '
+ l)
continue
# Handle known pre-processing command
preprocess_cmd = first_command
commands = commands[1:]
llc_cmd = commands[0]
if llc_cmd.startswith("%"):
llc_cmd = llc_cmd.replace(
"%cheri_purecap_llc",
"llc -mtriple=mips64-unknown-freebsd -target-abi purecap -relocation-model pic -mcpu=cheri128 -mattr=+cheri128"
)
llc_cmd = llc_cmd.replace(
"%cheri128_purecap_llc",
"llc -mtriple=mips64-unknown-freebsd -target-abi purecap -relocation-model pic -mcpu=cheri128 -mattr=+cheri128"
)
llc_cmd = llc_cmd.replace(
"%cheri256_purecap_llc",
"llc -mtriple=mips64-unknown-freebsd -target-abi purecap -relocation-model pic -mcpu=cheri256 -mattr=+cheri256"
)
llc_cmd = llc_cmd.replace(
"%cheri_llc",
"llc -mtriple=mips64-unknown-freebsd -mcpu=cheri128 -mattr=+cheri128"
)
llc_cmd = llc_cmd.replace(
"%cheri128_llc",
"llc -mtriple=mips64-unknown-freebsd -mcpu=cheri128 -mattr=+cheri128"
)
llc_cmd = llc_cmd.replace(
"%cheri256_llc",
"llc -mtriple=mips64-unknown-freebsd -mcpu=cheri256 -mattr=+cheri256"
)
llc_cmd = llc_cmd.replace(
"%riscv32_cheri_purecap_llc",
"llc -mtriple=riscv32-unknown-freebsd -target-abi il32pc64 -mattr=+xcheri,+cap-mode"
)
llc_cmd = llc_cmd.replace(
"%riscv64_cheri_purecap_llc",
"llc -mtriple=riscv64-unknown-freebsd -target-abi l64pc128 -mattr=+xcheri,+cap-mode"
)
llc_cmd = llc_cmd.replace(
"%riscv32_cheri_llc",
"llc -mtriple=riscv32-unknown-freebsd -mattr=+xcheri")
llc_cmd = llc_cmd.replace(
"%riscv64_cheri_llc",
"llc -mtriple=riscv64-unknown-freebsd -mattr=+xcheri")
llc_tool = llc_cmd.split(' ')[0]
triple_in_cmd = None
m = common.TRIPLE_ARG_RE.search(llc_cmd)
if m:
triple_in_cmd = m.groups()[0]
march_in_cmd = None
m = common.MARCH_ARG_RE.search(llc_cmd)
if m:
march_in_cmd = m.groups()[0]
filecheck_cmd = ''
if len(commands) > 1:
filecheck_cmd = commands[1]
if filecheck_cmd.startswith("%cheri64_FileCheck"):
filecheck_cmd = filecheck_cmd.replace(
"%cheri64_FileCheck", "FileCheck '-D#CAP_SIZE=8'")
elif filecheck_cmd.startswith("%cheri128_FileCheck"):
filecheck_cmd = filecheck_cmd.replace(
"%cheri128_FileCheck", "FileCheck '-D#CAP_SIZE=16'")
elif filecheck_cmd.startswith("%cheri_FileCheck"):
filecheck_cmd = filecheck_cmd.replace(
"%cheri_FileCheck", "FileCheck '-D#CAP_SIZE=16'")
common.verify_filecheck_prefixes(filecheck_cmd)
if llc_tool not in LLC_LIKE_TOOLS:
common.warn('Skipping non-llc RUN line: ' + l)
continue
if not filecheck_cmd.startswith('FileCheck '):
common.warn('Skipping non-FileChecked RUN line: ' + l)
continue
llc_cmd_args = llc_cmd[len(llc_tool):].strip()
llc_cmd_args = llc_cmd_args.replace('< %s',
'').replace('%s', '').strip()
if ti.path.endswith('.mir'):
llc_cmd_args += ' -x mir'
check_prefixes = [
item for m in common.CHECK_PREFIX_RE.finditer(filecheck_cmd)
for item in m.group(1).split(',')
]
if not check_prefixes:
check_prefixes = ['CHECK']
# FIXME: We should use multiple check prefixes to common check lines. For
# now, we just ignore all but the last.
run_list.append((check_prefixes, llc_cmd_args, triple_in_cmd,
preprocess_cmd, march_in_cmd))
if ti.path.endswith('.mir'):
check_indent = ' '
else:
check_indent = ''
func_dict = {}
for p in run_list:
prefixes = p[0]
for prefix in prefixes:
func_dict.update({prefix: dict()})
for prefixes, llc_args, triple_in_cmd, preprocess_cmd, march_in_cmd in run_list:
common.debug('Extracted LLC cmd:', llc_tool, llc_args)
common.debug('Extracted FileCheck prefixes:', str(prefixes))
if preprocess_cmd:
common.debug('Extracted pre-processing command: ' +
str(preprocess_cmd))
raw_tool_output = common.invoke_tool(
ti.args.llc_binary or llc_tool, llc_args, ti.path,
preprocess_cmd)
triple = triple_in_cmd or triple_in_ir
if not triple:
triple = asm.get_triple_from_march(march_in_cmd)
asm.build_function_body_dictionary_for_triple(
ti.args, raw_tool_output, triple, prefixes, func_dict)
is_in_function = False
is_in_function_start = False
func_name = None
prefix_set = set([prefix for p in run_list for prefix in p[0]])
common.debug('Rewriting FileCheck prefixes:', str(prefix_set))
output_lines = []
for input_info in ti.iterlines(output_lines):
input_line = input_info.line
args = input_info.args
if is_in_function_start:
if input_line == '':
continue
if input_line.lstrip().startswith(';'):
m = common.CHECK_RE.match(input_line)
if not m or m.group(1) not in prefix_set:
output_lines.append(input_line)
continue
# Print out the various check lines here.
asm.add_asm_checks(output_lines, check_indent + ';', run_list,
func_dict, func_name)
is_in_function_start = False
if is_in_function:
if common.should_add_line_to_output(input_line, prefix_set):
# This input line of the function body will go as-is into the output.
output_lines.append(input_line)
else:
continue
if input_line.strip() == '}':
is_in_function = False
continue
# If it's outside a function, it just gets copied to the output.
output_lines.append(input_line)
m = common.IR_FUNCTION_RE.match(input_line)
if not m:
continue
func_name = m.group(1)
if args.function is not None and func_name != args.function:
# When filtering on a specific function, skip all others.
continue
is_in_function = is_in_function_start = True
common.debug('Writing %d lines to %s...' %
(len(output_lines), ti.path))
with open(ti.path, 'wb') as f:
f.writelines(
['{}\n'.format(l).encode('utf-8') for l in output_lines])
def main():
from argparse import RawTextHelpFormatter
parser = argparse.ArgumentParser(description=__doc__,
formatter_class=RawTextHelpFormatter)
parser.add_argument('--opt-binary',
default='opt',
help='The opt binary used to generate the test case')
parser.add_argument('--function',
help='The function in the test file to update')
parser.add_argument('tests', nargs='+')
initial_args = common.parse_commandline_args(parser)
script_name = os.path.basename(__file__)
opt_basename = os.path.basename(initial_args.opt_binary)
if (opt_basename != "opt"):
common.error('Unexpected opt name: ' + opt_basename)
sys.exit(1)
for ti in common.itertests(initial_args.tests,
parser,
script_name='utils/' + script_name):
triple_in_ir = None
for l in ti.input_lines:
m = common.TRIPLE_IR_RE.match(l)
if m:
triple_in_ir = m.groups()[0]
break
prefix_list = []
for l in ti.run_lines:
if '|' not in l:
common.warn('Skipping unparseable RUN line: ' + l)
continue
(tool_cmd,
filecheck_cmd) = tuple([cmd.strip() for cmd in l.split('|', 1)])
common.verify_filecheck_prefixes(filecheck_cmd)
if not tool_cmd.startswith(opt_basename + ' '):
common.warn('WSkipping non-%s RUN line: %s' %
(opt_basename, l))
continue
if not filecheck_cmd.startswith('FileCheck '):
common.warn('Skipping non-FileChecked RUN line: ' + l)
continue
tool_cmd_args = tool_cmd[len(opt_basename):].strip()
tool_cmd_args = tool_cmd_args.replace('< %s',
'').replace('%s',
'').strip()
check_prefixes = [
item for m in common.CHECK_PREFIX_RE.finditer(filecheck_cmd)
for item in m.group(1).split(',')
]
if not check_prefixes:
check_prefixes = ['CHECK']
# FIXME: We should use multiple check prefixes to common check lines. For
# now, we just ignore all but the last.
prefix_list.append((check_prefixes, tool_cmd_args))
builder = common.FunctionTestBuilder(
run_list=prefix_list,
flags=type(
'', (object, ), {
'verbose': ti.args.verbose,
'filters': ti.args.filters,
'function_signature': False,
'check_attributes': False,
'replace_value_regex': []
}),
scrubber_args=[],
path=ti.path)
for prefixes, opt_args in prefix_list:
common.debug('Extracted opt cmd:',
opt_basename,
opt_args,
file=sys.stderr)
common.debug('Extracted FileCheck prefixes:',
str(prefixes),
file=sys.stderr)
raw_tool_outputs = common.invoke_tool(ti.args.opt_binary, opt_args,
ti.path)
# Split analysis outputs by "Printing analysis " declarations.
for raw_tool_output in re.split(r'Printing analysis ',
raw_tool_outputs):
builder.process_run_line(common.ANALYZE_FUNCTION_RE,
common.scrub_body, raw_tool_output,
prefixes, False)
func_dict = builder.finish_and_get_func_dict()
is_in_function = False
is_in_function_start = False
prefix_set = set(
[prefix for prefixes, _ in prefix_list for prefix in prefixes])
common.debug('Rewriting FileCheck prefixes:',
str(prefix_set),
file=sys.stderr)
output_lines = []
for input_info in ti.iterlines(output_lines):
input_line = input_info.line
args = input_info.args
if is_in_function_start:
if input_line == '':
continue
if input_line.lstrip().startswith(';'):
m = common.CHECK_RE.match(input_line)
if not m or m.group(1) not in prefix_set:
output_lines.append(input_line)
continue
# Print out the various check lines here.
common.add_analyze_checks(output_lines,
';',
prefix_list,
func_dict,
func_name,
is_filtered=builder.is_filtered())
is_in_function_start = False
if is_in_function:
if common.should_add_line_to_output(input_line, prefix_set):
# This input line of the function body will go as-is into the output.
# Except make leading whitespace uniform: 2 spaces.
input_line = common.SCRUB_LEADING_WHITESPACE_RE.sub(
r' ', input_line)
output_lines.append(input_line)
else:
continue
if input_line.strip() == '}':
is_in_function = False
continue
# If it's outside a function, it just gets copied to the output.
output_lines.append(input_line)
m = common.IR_FUNCTION_RE.match(input_line)
if not m:
continue
func_name = m.group(1)
if ti.args.function is not None and func_name != ti.args.function:
# When filtering on a specific function, skip all others.
continue
is_in_function = is_in_function_start = True
common.debug('Writing %d lines to %s...' %
(len(output_lines), ti.path))
with open(ti.path, 'wb') as f:
f.writelines(
['{}\n'.format(l).encode('utf-8') for l in output_lines])
def main():
from argparse import RawTextHelpFormatter
parser = argparse.ArgumentParser(description=__doc__,
formatter_class=RawTextHelpFormatter)
parser.add_argument('--opt-binary',
default='opt',
help='The opt binary used to generate the test case')
parser.add_argument('--function',
help='The function in the test file to update')
parser.add_argument('-p',
'--preserve-names',
action='store_true',
help='Do not scrub IR names')
parser.add_argument(
'--function-signature',
action='store_true',
help='Keep function signature information around for the check line')
parser.add_argument(
'--scrub-attributes',
action='store_true',
help='Remove attribute annotations (#0) from the end of check line')
parser.add_argument('--check-attributes',
action='store_true',
help='Check "Function Attributes" for functions')
parser.add_argument(
'--check-globals',
action='store_true',
help=
'Check global entries (global variables, metadata, attribute sets, ...) for functions'
)
parser.add_argument('tests', nargs='+')
initial_args = common.parse_commandline_args(parser)
script_name = os.path.basename(__file__)
opt_basename = os.path.basename(initial_args.opt_binary)
if not re.match(r'^opt(-\d+)?(\.exe)?$', opt_basename):
common.error('Unexpected opt name: ' + opt_basename)
sys.exit(1)
opt_basename = 'opt'
for ti in common.itertests(initial_args.tests,
parser,
script_name='utils/' + script_name):
# If requested we scrub trailing attribute annotations, e.g., '#0', together with whitespaces
if ti.args.scrub_attributes:
common.SCRUB_TRAILING_WHITESPACE_TEST_RE = common.SCRUB_TRAILING_WHITESPACE_AND_ATTRIBUTES_RE
else:
common.SCRUB_TRAILING_WHITESPACE_TEST_RE = common.SCRUB_TRAILING_WHITESPACE_RE
prefix_list = []
for l in ti.run_lines:
if '|' not in l:
common.warn('Skipping unparseable RUN line: ' + l)
continue
commands = [cmd.strip() for cmd in l.split('|')]
assert len(commands) >= 2
preprocess_cmd = None
if len(commands) > 2:
preprocess_cmd = " | ".join(commands[:-2])
tool_cmd = commands[-2]
filecheck_cmd = commands[-1]
common.verify_filecheck_prefixes(filecheck_cmd)
if not tool_cmd.startswith(opt_basename + ' '):
common.warn('Skipping non-%s RUN line: %s' % (opt_basename, l))
continue
if not filecheck_cmd.startswith('FileCheck '):
common.warn('Skipping non-FileChecked RUN line: ' + l)
continue
tool_cmd_args = tool_cmd[len(opt_basename):].strip()
tool_cmd_args = tool_cmd_args.replace('< %s',
'').replace('%s',
'').strip()
check_prefixes = [
item for m in common.CHECK_PREFIX_RE.finditer(filecheck_cmd)
for item in m.group(1).split(',')
]
if not check_prefixes:
check_prefixes = ['CHECK']
# FIXME: We should use multiple check prefixes to common check lines. For
# now, we just ignore all but the last.
prefix_list.append((check_prefixes, tool_cmd_args, preprocess_cmd))
global_vars_seen_dict = {}
builder = common.FunctionTestBuilder(run_list=prefix_list,
flags=ti.args,
scrubber_args=[],
path=ti.path)
for prefixes, opt_args, preprocess_cmd in prefix_list:
common.debug('Extracted opt cmd: ' + opt_basename + ' ' + opt_args)
common.debug('Extracted FileCheck prefixes: ' + str(prefixes))
raw_tool_output = common.invoke_tool(ti.args.opt_binary,
opt_args,
ti.path,
preprocess_cmd=preprocess_cmd,
verbose=ti.args.verbose)
builder.process_run_line(common.OPT_FUNCTION_RE, common.scrub_body,
raw_tool_output, prefixes, False)
builder.processed_prefixes(prefixes)
func_dict = builder.finish_and_get_func_dict()
is_in_function = False
is_in_function_start = False
has_checked_pre_function_globals = False
prefix_set = set(
[prefix for prefixes, _, _ in prefix_list for prefix in prefixes])
common.debug('Rewriting FileCheck prefixes:', str(prefix_set))
output_lines = []
include_generated_funcs = common.find_arg_in_test(
ti, lambda args: ti.args.include_generated_funcs,
'--include-generated-funcs', True)
if include_generated_funcs:
# Generate the appropriate checks for each function. We need to emit
# these in the order according to the generated output so that CHECK-LABEL
# works properly. func_order provides that.
# We can't predict where various passes might insert functions so we can't
# be sure the input function order is maintained. Therefore, first spit
# out all the source lines.
common.dump_input_lines(output_lines, ti, prefix_set, ';')
args = ti.args
if args.check_globals:
common.add_global_checks(builder.global_var_dict(), ';',
prefix_list, output_lines,
global_vars_seen_dict,
args.preserve_names, True)
# Now generate all the checks.
common.add_checks_at_end(
output_lines, prefix_list, builder.func_order(), ';',
lambda my_output_lines, prefixes, func: common.add_ir_checks(
my_output_lines,
';',
prefixes,
func_dict,
func,
False,
args.function_signature,
global_vars_seen_dict,
is_filtered=builder.is_filtered()))
else:
# "Normal" mode.
for input_line_info in ti.iterlines(output_lines):
input_line = input_line_info.line
args = input_line_info.args
if is_in_function_start:
if input_line == '':
continue
if input_line.lstrip().startswith(';'):
m = common.CHECK_RE.match(input_line)
if not m or m.group(1) not in prefix_set:
output_lines.append(input_line)
continue
# Print out the various check lines here.
common.add_ir_checks(output_lines,
';',
prefix_list,
func_dict,
func_name,
args.preserve_names,
args.function_signature,
global_vars_seen_dict,
is_filtered=builder.is_filtered())
is_in_function_start = False
m = common.IR_FUNCTION_RE.match(input_line)
if m and not has_checked_pre_function_globals:
if args.check_globals:
common.add_global_checks(builder.global_var_dict(),
';', prefix_list,
output_lines,
global_vars_seen_dict,
args.preserve_names, True)
has_checked_pre_function_globals = True
if common.should_add_line_to_output(input_line, prefix_set,
not is_in_function):
# This input line of the function body will go as-is into the output.
# Except make leading whitespace uniform: 2 spaces.
input_line = common.SCRUB_LEADING_WHITESPACE_RE.sub(
r' ', input_line)
output_lines.append(input_line)
if input_line.strip() == '}':
is_in_function = False
continue
if is_in_function:
continue
m = common.IR_FUNCTION_RE.match(input_line)
if not m:
continue
func_name = m.group(1)
if args.function is not None and func_name != args.function:
# When filtering on a specific function, skip all others.
continue
is_in_function = is_in_function_start = True
if args.check_globals:
common.add_global_checks(builder.global_var_dict(), ';',
prefix_list, output_lines,
global_vars_seen_dict,
args.preserve_names, False)
common.debug('Writing %d lines to %s...' %
(len(output_lines), ti.path))
with open(ti.path, 'wb') as f:
f.writelines(
['{}\n'.format(l).encode('utf-8') for l in output_lines])
def main():
from argparse import RawTextHelpFormatter
parser = argparse.ArgumentParser(description=__doc__, formatter_class=RawTextHelpFormatter)
parser.add_argument('-v', '--verbose', action='store_true',
help='Show verbose output')
parser.add_argument('--opt-binary', default='opt',
help='The opt binary used to generate the test case')
parser.add_argument(
'--function', help='The function in the test file to update')
parser.add_argument('tests', nargs='+')
args = parser.parse_args()
autogenerated_note = (ADVERT + 'utils/' + os.path.basename(__file__))
opt_basename = os.path.basename(args.opt_binary)
if (opt_basename != "opt"):
print >>sys.stderr, 'ERROR: Unexpected opt name: ' + opt_basename
sys.exit(1)
for test in args.tests:
if args.verbose:
print >>sys.stderr, 'Scanning for RUN lines in test file: %s' % (test,)
with open(test) as f:
input_lines = [l.rstrip() for l in f]
raw_lines = [m.group(1)
for m in [common.RUN_LINE_RE.match(l) for l in input_lines] if m]
run_lines = [raw_lines[0]] if len(raw_lines) > 0 else []
for l in raw_lines[1:]:
if run_lines[-1].endswith("\\"):
run_lines[-1] = run_lines[-1].rstrip("\\") + " " + l
else:
run_lines.append(l)
if args.verbose:
print >>sys.stderr, 'Found %d RUN lines:' % (len(run_lines),)
for l in run_lines:
print >>sys.stderr, ' RUN: ' + l
prefix_list = []
for l in run_lines:
(tool_cmd, filecheck_cmd) = tuple([cmd.strip() for cmd in l.split('|', 1)])
if not tool_cmd.startswith(opt_basename + ' '):
print >>sys.stderr, 'WARNING: Skipping non-%s RUN line: %s' % (opt_basename, l)
continue
if not filecheck_cmd.startswith('FileCheck '):
print >>sys.stderr, 'WARNING: Skipping non-FileChecked RUN line: ' + l
continue
tool_cmd_args = tool_cmd[len(opt_basename):].strip()
tool_cmd_args = tool_cmd_args.replace('< %s', '').replace('%s', '').strip()
check_prefixes = [item for m in common.CHECK_PREFIX_RE.finditer(filecheck_cmd)
for item in m.group(1).split(',')]
if not check_prefixes:
check_prefixes = ['CHECK']
# FIXME: We should use multiple check prefixes to common check lines. For
# now, we just ignore all but the last.
prefix_list.append((check_prefixes, tool_cmd_args))
func_dict = {}
for prefixes, _ in prefix_list:
for prefix in prefixes:
func_dict.update({prefix: dict()})
for prefixes, opt_args in prefix_list:
if args.verbose:
print >>sys.stderr, 'Extracted opt cmd: ' + opt_basename + ' ' + opt_args
print >>sys.stderr, 'Extracted FileCheck prefixes: ' + str(prefixes)
raw_tool_outputs = common.invoke_tool(args.opt_binary, opt_args, test)
# Split analysis outputs by "Printing analysis " declarations.
for raw_tool_output in re.split(r'Printing analysis ', raw_tool_outputs):
common.build_function_body_dictionary(
common.ANALYZE_FUNCTION_RE, common.scrub_body, [],
raw_tool_output, prefixes, func_dict, args.verbose)
is_in_function = False
is_in_function_start = False
prefix_set = set([prefix for prefixes, _ in prefix_list for prefix in prefixes])
if args.verbose:
print >>sys.stderr, 'Rewriting FileCheck prefixes: %s' % (prefix_set,)
output_lines = []
output_lines.append(autogenerated_note)
for input_line in input_lines:
if is_in_function_start:
if input_line == '':
continue
if input_line.lstrip().startswith(';'):
m = common.CHECK_RE.match(input_line)
if not m or m.group(1) not in prefix_set:
output_lines.append(input_line)
continue
# Print out the various check lines here.
common.add_analyze_checks(output_lines, ';', prefix_list, func_dict, func_name)
is_in_function_start = False
if is_in_function:
if common.should_add_line_to_output(input_line, prefix_set):
# This input line of the function body will go as-is into the output.
# Except make leading whitespace uniform: 2 spaces.
input_line = common.SCRUB_LEADING_WHITESPACE_RE.sub(r' ', input_line)
output_lines.append(input_line)
else:
continue
if input_line.strip() == '}':
is_in_function = False
continue
# Discard any previous script advertising.
if input_line.startswith(ADVERT):
continue
# If it's outside a function, it just gets copied to the output.
output_lines.append(input_line)
m = IR_FUNCTION_RE.match(input_line)
if not m:
continue
func_name = m.group(1)
if args.function is not None and func_name != args.function:
# When filtering on a specific function, skip all others.
continue
is_in_function = is_in_function_start = True
if args.verbose:
print>>sys.stderr, 'Writing %d lines to %s...' % (len(output_lines), test)
with open(test, 'wb') as f:
f.writelines([l + '\n' for l in output_lines])
def main():
from argparse import RawTextHelpFormatter
parser = argparse.ArgumentParser(description=__doc__, formatter_class=RawTextHelpFormatter)
parser.add_argument('--opt-binary', default='opt',
help='The opt binary used to generate the test case')
parser.add_argument(
'--function', help='The function in the test file to update')
parser.add_argument('-p', '--preserve-names', action='store_true',
help='Do not scrub IR names')
parser.add_argument('--function-signature', action='store_true',
help='Keep function signature information around for the check line')
parser.add_argument('--scrub-attributes', action='store_true',
help='Remove attribute annotations (#0) from the end of check line')
parser.add_argument('--enable', action='store_true', dest='enabled', default=True,
help='Activate CHECK line generation from this point forward')
parser.add_argument('--disable', action='store_false', dest='enabled',
help='Deactivate CHECK line generation from this point forward')
parser.add_argument('tests', nargs='+')
args = common.parse_commandline_args(parser)
script_name = os.path.basename(__file__)
autogenerated_note = (ADVERT + 'utils/' + script_name)
opt_basename = os.path.basename(args.opt_binary)
if not re.match(r'^opt(-\d+)?$', opt_basename):
common.error('Unexpected opt name: ' + opt_basename)
sys.exit(1)
opt_basename = 'opt'
for test in args.tests:
if not glob.glob(test):
common.warn("Test file pattern '%s' was not found. Ignoring it." % (test,))
continue
# On Windows we must expand the patterns ourselves.
test_paths = [test for pattern in args.tests for test in glob.glob(pattern)]
for test in test_paths:
argv = sys.argv[:]
args = parser.parse_args()
with open(test) as f:
input_lines = [l.rstrip() for l in f]
first_line = input_lines[0] if input_lines else ""
if 'autogenerated' in first_line and script_name not in first_line:
common.warn("Skipping test which wasn't autogenerated by " + script_name, test)
continue
if first_line and 'autogenerated' in first_line:
args, argv = common.check_for_command(first_line, parser, args, argv)
test_autogenerated_note = autogenerated_note + common.get_autogennote_suffix(parser, args)
if args.update_only:
if not first_line or 'autogenerated' not in first_line:
common.warn("Skipping test which isn't autogenerated: " + test)
continue
run_lines = common.find_run_lines(test, input_lines)
# If requested we scrub trailing attribute annotations, e.g., '#0', together with whitespaces
if args.scrub_attributes:
common.SCRUB_TRAILING_WHITESPACE_TEST_RE = common.SCRUB_TRAILING_WHITESPACE_AND_ATTRIBUTES_RE
else:
common.SCRUB_TRAILING_WHITESPACE_TEST_RE = common.SCRUB_TRAILING_WHITESPACE_RE
prefix_list = []
for l in run_lines:
if '|' not in l:
common.warn('Skipping unparseable RUN line: ' + l)
continue
(tool_cmd, filecheck_cmd) = tuple([cmd.strip() for cmd in l.split('|', 1)])
common.verify_filecheck_prefixes(filecheck_cmd)
if not tool_cmd.startswith(opt_basename + ' '):
common.warn('Skipping non-%s RUN line: %s' % (opt_basename, l))
continue
if not filecheck_cmd.startswith('FileCheck '):
common.warn('Skipping non-FileChecked RUN line: ' + l)
continue
tool_cmd_args = tool_cmd[len(opt_basename):].strip()
tool_cmd_args = tool_cmd_args.replace('< %s', '').replace('%s', '').strip()
check_prefixes = [item for m in common.CHECK_PREFIX_RE.finditer(filecheck_cmd)
for item in m.group(1).split(',')]
if not check_prefixes:
check_prefixes = ['CHECK']
# FIXME: We should use multiple check prefixes to common check lines. For
# now, we just ignore all but the last.
prefix_list.append((check_prefixes, tool_cmd_args))
func_dict = {}
for prefixes, _ in prefix_list:
for prefix in prefixes:
func_dict.update({prefix: dict()})
for prefixes, opt_args in prefix_list:
common.debug('Extracted opt cmd: ' + opt_basename + ' ' + opt_args)
common.debug('Extracted FileCheck prefixes: ' + str(prefixes))
raw_tool_output = common.invoke_tool(args.opt_binary, opt_args, test)
common.build_function_body_dictionary(
common.OPT_FUNCTION_RE, common.scrub_body, [],
raw_tool_output, prefixes, func_dict, args.verbose,
args.function_signature)
is_in_function = False
is_in_function_start = False
prefix_set = set([prefix for prefixes, _ in prefix_list for prefix in prefixes])
common.debug('Rewriting FileCheck prefixes:', str(prefix_set))
output_lines = []
output_lines.append(test_autogenerated_note)
for input_line in input_lines:
# Discard any previous script advertising.
if input_line.startswith(ADVERT):
continue
args, argv = common.check_for_command(input_line, parser, args, argv)
if not args.enabled:
output_lines.append(input_line)
continue
if is_in_function_start:
if input_line == '':
continue
if input_line.lstrip().startswith(';'):
m = common.CHECK_RE.match(input_line)
if not m or m.group(1) not in prefix_set:
output_lines.append(input_line)
continue
# Print out the various check lines here.
common.add_ir_checks(output_lines, ';', prefix_list, func_dict,
func_name, args.preserve_names, args.function_signature)
is_in_function_start = False
if is_in_function:
if common.should_add_line_to_output(input_line, prefix_set):
# This input line of the function body will go as-is into the output.
# Except make leading whitespace uniform: 2 spaces.
input_line = common.SCRUB_LEADING_WHITESPACE_RE.sub(r' ', input_line)
output_lines.append(input_line)
else:
continue
if input_line.strip() == '}':
is_in_function = False
continue
# If it's outside a function, it just gets copied to the output.
output_lines.append(input_line)
m = IR_FUNCTION_RE.match(input_line)
if not m:
continue
func_name = m.group(1)
if args.function is not None and func_name != args.function:
# When filtering on a specific function, skip all others.
continue
is_in_function = is_in_function_start = True
common.debug('Writing %d lines to %s...' % (len(output_lines), test))
with open(test, 'wb') as f:
f.writelines(['{}\n'.format(l).encode('utf-8') for l in output_lines])
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('-v', '--verbose', action='store_true',
help='Show verbose output')
parser.add_argument('--llc-binary', default='llc',
help='The "llc" binary to use to generate the test case')
parser.add_argument(
'--function', help='The function in the test file to update')
parser.add_argument(
'--extra_scrub', action='store_true',
help='Always use additional regex to further reduce diffs between various subtargets')
parser.add_argument(
'--x86_scrub_rip', action='store_true', default=True,
help='Use more regex for x86 matching to reduce diffs between various subtargets')
parser.add_argument(
'--no_x86_scrub_rip', action='store_false', dest='x86_scrub_rip')
parser.add_argument('tests', nargs='+')
args = parser.parse_args()
autogenerated_note = (ADVERT + 'utils/' + os.path.basename(__file__))
for test in args.tests:
if args.verbose:
print('Scanning for RUN lines in test file: %s' % (test,), file=sys.stderr)
with open(test) as f:
input_lines = [l.rstrip() for l in f]
triple_in_ir = None
for l in input_lines:
m = common.TRIPLE_IR_RE.match(l)
if m:
triple_in_ir = m.groups()[0]
break
raw_lines = [m.group(1)
for m in [common.RUN_LINE_RE.match(l) for l in input_lines] if m]
run_lines = [raw_lines[0]] if len(raw_lines) > 0 else []
for l in raw_lines[1:]:
if run_lines[-1].endswith("\\"):
run_lines[-1] = run_lines[-1].rstrip("\\") + " " + l
else:
run_lines.append(l)
if args.verbose:
print('Found %d RUN lines:' % (len(run_lines),), file=sys.stderr)
for l in run_lines:
print(' RUN: ' + l, file=sys.stderr)
run_list = []
for l in run_lines:
commands = [cmd.strip() for cmd in l.split('|', 1)]
llc_cmd = commands[0]
triple_in_cmd = None
m = common.TRIPLE_ARG_RE.search(llc_cmd)
if m:
triple_in_cmd = m.groups()[0]
filecheck_cmd = ''
if len(commands) > 1:
filecheck_cmd = commands[1]
if not llc_cmd.startswith('llc '):
print('WARNING: Skipping non-llc RUN line: ' + l, file=sys.stderr)
continue
if not filecheck_cmd.startswith('FileCheck '):
print('WARNING: Skipping non-FileChecked RUN line: ' + l, file=sys.stderr)
continue
llc_cmd_args = llc_cmd[len('llc'):].strip()
llc_cmd_args = llc_cmd_args.replace('< %s', '').replace('%s', '').strip()
check_prefixes = [item for m in common.CHECK_PREFIX_RE.finditer(filecheck_cmd)
for item in m.group(1).split(',')]
if not check_prefixes:
check_prefixes = ['CHECK']
# FIXME: We should use multiple check prefixes to common check lines. For
# now, we just ignore all but the last.
run_list.append((check_prefixes, llc_cmd_args, triple_in_cmd))
func_dict = {}
for p in run_list:
prefixes = p[0]
for prefix in prefixes:
func_dict.update({prefix: dict()})
for prefixes, llc_args, triple_in_cmd in run_list:
if args.verbose:
print('Extracted LLC cmd: llc ' + llc_args, file=sys.stderr)
print('Extracted FileCheck prefixes: ' + str(prefixes), file=sys.stderr)
raw_tool_output = common.invoke_tool(args.llc_binary, llc_args, test)
if not (triple_in_cmd or triple_in_ir):
print("Cannot find a triple. Assume 'x86'", file=sys.stderr)
asm.build_function_body_dictionary_for_triple(args, raw_tool_output,
triple_in_cmd or triple_in_ir or 'x86', prefixes, func_dict)
is_in_function = False
is_in_function_start = False
func_name = None
prefix_set = set([prefix for p in run_list for prefix in p[0]])
if args.verbose:
print('Rewriting FileCheck prefixes: %s' % (prefix_set,), file=sys.stderr)
output_lines = []
output_lines.append(autogenerated_note)
for input_line in input_lines:
if is_in_function_start:
if input_line == '':
continue
if input_line.lstrip().startswith(';'):
m = common.CHECK_RE.match(input_line)
if not m or m.group(1) not in prefix_set:
output_lines.append(input_line)
continue
# Print out the various check lines here.
asm.add_asm_checks(output_lines, ';', run_list, func_dict, func_name)
is_in_function_start = False
if is_in_function:
if common.should_add_line_to_output(input_line, prefix_set):
# This input line of the function body will go as-is into the output.
output_lines.append(input_line)
else:
continue
if input_line.strip() == '}':
is_in_function = False
continue
# Discard any previous script advertising.
if input_line.startswith(ADVERT):
continue
# If it's outside a function, it just gets copied to the output.
output_lines.append(input_line)
m = common.IR_FUNCTION_RE.match(input_line)
if not m:
continue
func_name = m.group(1)
if args.function is not None and func_name != args.function:
# When filtering on a specific function, skip all others.
continue
is_in_function = is_in_function_start = True
if args.verbose:
print('Writing %d lines to %s...' % (len(output_lines), test), file=sys.stderr)
with open(test, 'wb') as f:
f.writelines([l + '\n' for l in output_lines])
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument(
'--llc-binary',
default=None,
help='The "llc" binary to use to generate the test case')
parser.add_argument('--function',
help='The function in the test file to update')
parser.add_argument(
'--extra_scrub',
action='store_true',
help=
'Always use additional regex to further reduce diffs between various subtargets'
)
parser.add_argument(
'--x86_scrub_sp',
action='store_true',
default=True,
help=
'Use regex for x86 sp matching to reduce diffs between various subtargets'
)
parser.add_argument('--no_x86_scrub_sp',
action='store_false',
dest='x86_scrub_sp')
parser.add_argument(
'--x86_scrub_rip',
action='store_true',
default=True,
help=
'Use more regex for x86 rip matching to reduce diffs between various subtargets'
)
parser.add_argument('--no_x86_scrub_rip',
action='store_false',
dest='x86_scrub_rip')
parser.add_argument('--no_x86_scrub_mem_shuffle',
action='store_true',
default=False,
help='Reduce scrubbing shuffles with memory operands')
parser.add_argument('tests', nargs='+')
initial_args = common.parse_commandline_args(parser)
script_name = os.path.basename(__file__)
for ti in common.itertests(initial_args.tests,
parser,
script_name='utils/' + script_name):
triple_in_ir = None
for l in ti.input_lines:
m = common.TRIPLE_IR_RE.match(l)
if m:
triple_in_ir = m.groups()[0]
break
run_list = []
for l in ti.run_lines:
if '|' not in l:
common.warn('Skipping unparseable RUN line: ' + l)
continue
commands = [cmd.strip() for cmd in l.split('|', 1)]
llc_cmd = commands[0]
llc_tool = llc_cmd.split(' ')[0]
triple_in_cmd = None
m = common.TRIPLE_ARG_RE.search(llc_cmd)
if m:
triple_in_cmd = m.groups()[0]
march_in_cmd = None
m = common.MARCH_ARG_RE.search(llc_cmd)
if m:
march_in_cmd = m.groups()[0]
filecheck_cmd = ''
if len(commands) > 1:
filecheck_cmd = commands[1]
common.verify_filecheck_prefixes(filecheck_cmd)
if llc_tool not in LLC_LIKE_TOOLS:
common.warn('Skipping non-llc RUN line: ' + l)
continue
if not filecheck_cmd.startswith('FileCheck '):
common.warn('Skipping non-FileChecked RUN line: ' + l)
continue
llc_cmd_args = llc_cmd[len(llc_tool):].strip()
llc_cmd_args = llc_cmd_args.replace('< %s',
'').replace('%s', '').strip()
if ti.path.endswith('.mir'):
llc_cmd_args += ' -x mir'
check_prefixes = [
item for m in common.CHECK_PREFIX_RE.finditer(filecheck_cmd)
for item in m.group(1).split(',')
]
if not check_prefixes:
check_prefixes = ['CHECK']
# FIXME: We should use multiple check prefixes to common check lines. For
# now, we just ignore all but the last.
run_list.append(
(check_prefixes, llc_cmd_args, triple_in_cmd, march_in_cmd))
if ti.path.endswith('.mir'):
check_indent = ' '
else:
check_indent = ''
func_dict = {}
func_order = {}
for p in run_list:
prefixes = p[0]
for prefix in prefixes:
func_dict.update({prefix: dict()})
func_order.update({prefix: []})
for prefixes, llc_args, triple_in_cmd, march_in_cmd in run_list:
common.debug('Extracted LLC cmd:', llc_tool, llc_args)
common.debug('Extracted FileCheck prefixes:', str(prefixes))
raw_tool_output = common.invoke_tool(
ti.args.llc_binary or llc_tool, llc_args, ti.path)
triple = triple_in_cmd or triple_in_ir
if not triple:
triple = asm.get_triple_from_march(march_in_cmd)
asm.build_function_body_dictionary_for_triple(
ti.args, raw_tool_output, triple, prefixes, func_dict,
func_order)
is_in_function = False
is_in_function_start = False
func_name = None
prefix_set = set([prefix for p in run_list for prefix in p[0]])
common.debug('Rewriting FileCheck prefixes:', str(prefix_set))
output_lines = []
include_generated_funcs = common.find_arg_in_test(
ti, lambda args: ti.args.include_generated_funcs,
'--include-generated-funcs', True)
if include_generated_funcs:
# Generate the appropriate checks for each function. We need to emit
# these in the order according to the generated output so that CHECK-LABEL
# works properly. func_order provides that.
# We can't predict where various passes might insert functions so we can't
# be sure the input function order is maintained. Therefore, first spit
# out all the source lines.
common.dump_input_lines(output_lines, ti, prefix_set, ';')
# Now generate all the checks.
common.add_checks_at_end(
output_lines, run_list, func_order, check_indent + ';',
lambda my_output_lines, prefixes, func: asm.add_asm_checks(
my_output_lines, check_indent + ';', prefixes, func_dict,
func))
else:
for input_info in ti.iterlines(output_lines):
input_line = input_info.line
args = input_info.args
if is_in_function_start:
if input_line == '':
continue
if input_line.lstrip().startswith(';'):
m = common.CHECK_RE.match(input_line)
if not m or m.group(1) not in prefix_set:
output_lines.append(input_line)
continue
# Print out the various check lines here.
asm.add_asm_checks(output_lines, check_indent + ';',
run_list, func_dict, func_name)
is_in_function_start = False
if is_in_function:
if common.should_add_line_to_output(
input_line, prefix_set):
# This input line of the function body will go as-is into the output.
output_lines.append(input_line)
else:
continue
if input_line.strip() == '}':
is_in_function = False
continue
# If it's outside a function, it just gets copied to the output.
output_lines.append(input_line)
m = common.IR_FUNCTION_RE.match(input_line)
if not m:
continue
func_name = m.group(1)
if args.function is not None and func_name != args.function:
# When filtering on a specific function, skip all others.
continue
is_in_function = is_in_function_start = True
common.debug('Writing %d lines to %s...' %
(len(output_lines), ti.path))
with open(ti.path, 'wb') as f:
f.writelines(
['{}\n'.format(l).encode('utf-8') for l in output_lines])
def main():
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('-v', '--verbose', action='store_true',
help='Show verbose output')
parser.add_argument('--llc-binary', default='llc',
help='The "llc" binary to use to generate the test case')
parser.add_argument(
'--function', help='The function in the test file to update')
parser.add_argument(
'--x86_extra_scrub', action='store_true',
help='Use more regex for x86 matching to reduce diffs between various subtargets')
parser.add_argument('tests', nargs='+')
args = parser.parse_args()
autogenerated_note = (ADVERT + 'utils/' + os.path.basename(__file__))
for test in args.tests:
if args.verbose:
print >>sys.stderr, 'Scanning for RUN lines in test file: %s' % (test,)
with open(test) as f:
input_lines = [l.rstrip() for l in f]
triple_in_ir = None
for l in input_lines:
m = common.TRIPLE_IR_RE.match(l)
if m:
triple_in_ir = m.groups()[0]
break
raw_lines = [m.group(1)
for m in [common.RUN_LINE_RE.match(l) for l in input_lines] if m]
run_lines = [raw_lines[0]] if len(raw_lines) > 0 else []
for l in raw_lines[1:]:
if run_lines[-1].endswith("\\"):
run_lines[-1] = run_lines[-1].rstrip("\\") + " " + l
else:
run_lines.append(l)
if args.verbose:
print >>sys.stderr, 'Found %d RUN lines:' % (len(run_lines),)
for l in run_lines:
print >>sys.stderr, ' RUN: ' + l
run_list = []
for l in run_lines:
commands = [cmd.strip() for cmd in l.split('|', 1)]
llc_cmd = commands[0]
if llc_cmd.startswith("%cheri_"):
llc_cmd = llc_cmd.replace("%cheri_purecap_llc", "llc -mtriple=cheri-unknown-freebsd -target-abi purecap -relocation-model pic -mcpu=cheri128 -mattr=+cheri128")
llc_cmd = llc_cmd.replace("%cheri_llc", "llc -mtriple=cheri-unknown-freebsd -mcpu=cheri128 -mattr=+cheri128")
llc_cmd = llc_cmd.replace("%cheri128_llc", "llc -mtriple=cheri-unknown-freebsd -mcpu=cheri128 -mattr=+cheri128")
llc_cmd = llc_cmd.replace("%cheri256_llc", "llc -mtriple=cheri-unknown-freebsd -mcpu=cheri256 -mattr=+cheri256")
triple_in_cmd = None
m = common.TRIPLE_ARG_RE.search(llc_cmd)
if m:
triple_in_cmd = m.groups()[0]
filecheck_cmd = ''
if len(commands) > 1:
filecheck_cmd = commands[1]
if filecheck_cmd.startswith("%cheri_FileCheck"):
filecheck_cmd = filecheck_cmd.replace("%cheri_FileCheck", "FileCheck '-D$CAP_SIZE=16'")
if not llc_cmd.startswith('llc '):
print >>sys.stderr, 'WARNING: Skipping non-llc RUN line: ' + l
continue
if not filecheck_cmd.startswith('FileCheck '):
print >>sys.stderr, 'WARNING: Skipping non-FileChecked RUN line: ' + l
continue
llc_cmd_args = llc_cmd[len('llc'):].strip()
llc_cmd_args = llc_cmd_args.replace('< %s', '').replace('%s', '').strip()
check_prefixes = [item for m in common.CHECK_PREFIX_RE.finditer(filecheck_cmd)
for item in m.group(1).split(',')]
if not check_prefixes:
check_prefixes = ['CHECK']
# FIXME: We should use multiple check prefixes to common check lines. For
# now, we just ignore all but the last.
run_list.append((check_prefixes, llc_cmd_args, triple_in_cmd))
func_dict = {}
for p in run_list:
prefixes = p[0]
for prefix in prefixes:
func_dict.update({prefix: dict()})
for prefixes, llc_args, triple_in_cmd in run_list:
if args.verbose:
print >>sys.stderr, 'Extracted LLC cmd: llc ' + llc_args
print >>sys.stderr, 'Extracted FileCheck prefixes: ' + str(prefixes)
raw_tool_output = common.invoke_tool(args.llc_binary, llc_args, test)
if not (triple_in_cmd or triple_in_ir):
print >>sys.stderr, "Cannot find a triple. Assume 'x86'"
asm.build_function_body_dictionary_for_triple(args, raw_tool_output,
triple_in_cmd or triple_in_ir or 'x86', prefixes, func_dict)
is_in_function = False
is_in_function_start = False
func_name = None
prefix_set = set([prefix for p in run_list for prefix in p[0]])
if args.verbose:
print >>sys.stderr, 'Rewriting FileCheck prefixes: %s' % (prefix_set,)
output_lines = []
output_lines.append(autogenerated_note)
for input_line in input_lines:
if is_in_function_start:
if input_line == '':
continue
if input_line.lstrip().startswith(';'):
m = common.CHECK_RE.match(input_line)
if not m or m.group(1) not in prefix_set:
output_lines.append(input_line)
continue
# Print out the various check lines here.
asm.add_asm_checks(output_lines, ';', run_list, func_dict, func_name)
is_in_function_start = False
if is_in_function:
if common.should_add_line_to_output(input_line, prefix_set):
# This input line of the function body will go as-is into the output.
output_lines.append(input_line)
else:
continue
if input_line.strip() == '}':
is_in_function = False
continue
# Discard any previous script advertising.
if input_line.startswith(ADVERT):
continue
# If it's outside a function, it just gets copied to the output.
output_lines.append(input_line)
m = common.IR_FUNCTION_RE.match(input_line)
if not m:
continue
func_name = m.group(1)
if args.function is not None and func_name != args.function:
# When filtering on a specific function, skip all others.
continue
is_in_function = is_in_function_start = True
if args.verbose:
print>>sys.stderr, 'Writing %d lines to %s...' % (len(output_lines), test)
with open(test, 'wb') as f:
f.writelines([l + '\n' for l in output_lines])
def _get_block_infos(run_infos, test_path, args, common_prefix): # noqa
""" For each run line, run the tool with the specified args and collect the
output. We use the concept of 'blocks' for uniquing, where a block is
a series of lines of text with no more than one newline character between
each one. For example:
This
is
one
block
This is
another block
This is yet another block
We then build up a 'block_infos' structure containing a dict where the
text of each block is the key and a list of the sets of prefixes that may
generate that particular block. This then goes through a series of
transformations to minimise the amount of CHECK lines that need to be
written by taking advantage of common prefixes.
"""
def _block_key(tool_args, prefixes):
""" Get a hashable key based on the current tool_args and prefixes.
"""
return ' '.join([tool_args] + prefixes)
all_blocks = {}
max_block_len = 0
# A cache of the furthest-back position in any block list of the first
# instance of each block, indexed by the block itself.
farthest_indexes = defaultdict(int)
# Run the tool for each run line to generate all of the blocks.
for prefixes, tool_args in run_infos:
key = _block_key(tool_args, prefixes)
raw_tool_output = common.invoke_tool(args.llvm_mca_binary,
tool_args,
test_path)
# Replace any lines consisting of purely whitespace with empty lines.
raw_tool_output = '\n'.join(line if line.strip() else ''
for line in raw_tool_output.splitlines())
# Split blocks, stripping all trailing whitespace, but keeping preceding
# whitespace except for newlines so that columns will line up visually.
all_blocks[key] = [b.lstrip('\n').rstrip()
for b in raw_tool_output.split('\n\n')]
max_block_len = max(max_block_len, len(all_blocks[key]))
# Attempt to align matching blocks until no more changes can be made.
made_changes = True
while made_changes:
made_changes = _align_matching_blocks(all_blocks, farthest_indexes)
# If necessary, pad the lists of blocks with empty blocks so that they are
# all the same length.
for key in all_blocks:
len_to_pad = max_block_len - len(all_blocks[key])
all_blocks[key] += [''] * len_to_pad
# Create the block_infos structure where it is a nested dict in the form of:
# block number -> block text -> list of prefix sets
block_infos = defaultdict(lambda: defaultdict(list))
for prefixes, tool_args in run_infos:
key = _block_key(tool_args, prefixes)
for block_num, block_text in enumerate(all_blocks[key]):
block_infos[block_num][block_text].append(set(prefixes))
# Now go through the block_infos structure and attempt to smartly prune the
# number of prefixes per block to the minimal set possible to output.
for block_num in range(len(block_infos)):
# When there are multiple block texts for a block num, remove any
# prefixes that are common to more than one of them.
# E.g. [ [{ALL,FOO}] , [{ALL,BAR}] ] -> [ [{FOO}] , [{BAR}] ]
all_sets = [s for s in block_infos[block_num].values()]
pruned_sets = []
for i, setlist in enumerate(all_sets):
other_set_values = set([elem for j, setlist2 in enumerate(all_sets)
for set_ in setlist2 for elem in set_
if i != j])
pruned_sets.append([s - other_set_values for s in setlist])
for i, block_text in enumerate(block_infos[block_num]):
# When a block text matches multiple sets of prefixes, try removing any
# prefixes that aren't common to all of them.
# E.g. [ {ALL,FOO} , {ALL,BAR} ] -> [{ALL}]
common_values = set.intersection(*pruned_sets[i])
if common_values:
pruned_sets[i] = [common_values]
# Everything should be uniqued as much as possible by now. Apply the
# newly pruned sets to the block_infos structure.
# If there are any blocks of text that still match multiple prefixes,
# output a warning.
current_set = set()
for s in pruned_sets[i]:
s = sorted(list(s))
if s:
current_set.add(s[0])
if len(s) > 1:
_warn('Multiple prefixes generating same output: {} '
'(discarding {})'.format(','.join(s), ','.join(s[1:])))
if block_text and not current_set:
raise Error(
'block not captured by existing prefixes:\n\n{}'.format(block_text))
block_infos[block_num][block_text] = sorted(list(current_set))
# If we have multiple block_texts, try to break them down further to avoid
# the case where we have very similar block_texts repeated after each
# other.
if common_prefix and len(block_infos[block_num]) > 1:
# We'll only attempt this if each of the block_texts have the same number
# of lines as each other.
same_num_Lines = (len(set(len(k.splitlines())
for k in block_infos[block_num].keys())) == 1)
if same_num_Lines:
breakdown = _break_down_block(block_infos[block_num], common_prefix)
if breakdown:
block_infos[block_num] = breakdown
return block_infos
