mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 03:02:36 +01:00
15e0e2038a
This fixes a "bytes-like object is required, not 'str'" python3 error I hit on update_llc_test_checks.py (but present on the other scripts as well) by matching what update_mca_test_checks.py already does, plus I've added an explicit 'utf-8' encoding. llvm-svn: 352633
599 lines
20 KiB
Python
Executable File
599 lines
20 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
"""A test case update script.
|
|
|
|
This script is a utility to update LLVM 'llvm-mca' based test cases with new
|
|
FileCheck patterns.
|
|
"""
|
|
|
|
import argparse
|
|
from collections import defaultdict
|
|
import glob
|
|
import os
|
|
import sys
|
|
import warnings
|
|
|
|
from UpdateTestChecks import common
|
|
|
|
|
|
COMMENT_CHAR = '#'
|
|
ADVERT_PREFIX = '{} NOTE: Assertions have been autogenerated by '.format(
|
|
COMMENT_CHAR)
|
|
ADVERT = '{}utils/{}'.format(ADVERT_PREFIX, os.path.basename(__file__))
|
|
|
|
|
|
class Error(Exception):
|
|
""" Generic Error that can be raised without printing a traceback.
|
|
"""
|
|
pass
|
|
|
|
|
|
def _warn(msg):
|
|
""" Log a user warning to stderr.
|
|
"""
|
|
warnings.warn(msg, Warning, stacklevel=2)
|
|
|
|
|
|
def _configure_warnings(args):
|
|
warnings.resetwarnings()
|
|
if args.w:
|
|
warnings.simplefilter('ignore')
|
|
if args.Werror:
|
|
warnings.simplefilter('error')
|
|
|
|
|
|
def _showwarning(message, category, filename, lineno, file=None, line=None):
|
|
""" Version of warnings.showwarning that won't attempt to print out the
|
|
line at the location of the warning if the line text is not explicitly
|
|
specified.
|
|
"""
|
|
if file is None:
|
|
file = sys.stderr
|
|
if line is None:
|
|
line = ''
|
|
file.write(warnings.formatwarning(message, category, filename, lineno, line))
|
|
|
|
|
|
def _parse_args():
|
|
parser = argparse.ArgumentParser(description=__doc__)
|
|
parser.add_argument('-v', '--verbose',
|
|
action='store_true',
|
|
help='show verbose output')
|
|
parser.add_argument('-w',
|
|
action='store_true',
|
|
help='suppress warnings')
|
|
parser.add_argument('-Werror',
|
|
action='store_true',
|
|
help='promote warnings to errors')
|
|
parser.add_argument('--llvm-mca-binary',
|
|
metavar='<path>',
|
|
default='llvm-mca',
|
|
help='the binary to use to generate the test case '
|
|
'(default: llvm-mca)')
|
|
parser.add_argument('tests',
|
|
metavar='<test-path>',
|
|
nargs='+')
|
|
args = parser.parse_args()
|
|
|
|
_configure_warnings(args)
|
|
|
|
if not args.llvm_mca_binary:
|
|
raise Error('--llvm-mca-binary value cannot be empty string')
|
|
|
|
if 'llvm-mca' not in os.path.basename(args.llvm_mca_binary):
|
|
_warn('unexpected binary name: {}'.format(args.llvm_mca_binary))
|
|
|
|
return args
|
|
|
|
|
|
def _find_run_lines(input_lines, args):
|
|
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(r'\\'):
|
|
run_lines[-1] = run_lines[-1].rstrip('\\') + ' ' + l
|
|
else:
|
|
run_lines.append(l)
|
|
|
|
if args.verbose:
|
|
sys.stderr.write('Found {} RUN line{}:\n'.format(
|
|
len(run_lines), '' if len(run_lines) == 1 else 's'))
|
|
for line in run_lines:
|
|
sys.stderr.write(' RUN: {}\n'.format(line))
|
|
|
|
return run_lines
|
|
|
|
|
|
def _get_run_infos(run_lines, args):
|
|
run_infos = []
|
|
for run_line in run_lines:
|
|
try:
|
|
(tool_cmd, filecheck_cmd) = tuple([cmd.strip()
|
|
for cmd in run_line.split('|', 1)])
|
|
except ValueError:
|
|
_warn('could not split tool and filecheck commands: {}'.format(run_line))
|
|
continue
|
|
|
|
tool_basename = os.path.splitext(os.path.basename(args.llvm_mca_binary))[0]
|
|
|
|
if not tool_cmd.startswith(tool_basename + ' '):
|
|
_warn('skipping non-{} RUN line: {}'.format(tool_basename, run_line))
|
|
continue
|
|
|
|
if not filecheck_cmd.startswith('FileCheck '):
|
|
_warn('skipping non-FileCheck RUN line: {}'.format(run_line))
|
|
continue
|
|
|
|
tool_cmd_args = tool_cmd[len(tool_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']
|
|
|
|
run_infos.append((check_prefixes, tool_cmd_args))
|
|
|
|
return run_infos
|
|
|
|
|
|
def _break_down_block(block_info, common_prefix):
|
|
""" Given a block_info, see if we can analyze it further to let us break it
|
|
down by prefix per-line rather than per-block.
|
|
"""
|
|
texts = block_info.keys()
|
|
prefixes = list(block_info.values())
|
|
# Split the lines from each of the incoming block_texts and zip them so that
|
|
# each element contains the corresponding lines from each text. E.g.
|
|
#
|
|
# block_text_1: A # line 1
|
|
# B # line 2
|
|
#
|
|
# block_text_2: A # line 1
|
|
# C # line 2
|
|
#
|
|
# would become:
|
|
#
|
|
# [(A, A), # line 1
|
|
# (B, C)] # line 2
|
|
#
|
|
line_tuples = list(zip(*list((text.splitlines() for text in texts))))
|
|
|
|
# To simplify output, we'll only proceed if the very first line of the block
|
|
# texts is common to each of them.
|
|
if len(set(line_tuples[0])) != 1:
|
|
return []
|
|
|
|
result = []
|
|
lresult = defaultdict(list)
|
|
for i, line in enumerate(line_tuples):
|
|
if len(set(line)) == 1:
|
|
# We're about to output a line with the common prefix. This is a sync
|
|
# point so flush any batched-up lines one prefix at a time to the output
|
|
# first.
|
|
for prefix in sorted(lresult):
|
|
result.extend(lresult[prefix])
|
|
lresult = defaultdict(list)
|
|
|
|
# The line is common to each block so output with the common prefix.
|
|
result.append((common_prefix, line[0]))
|
|
else:
|
|
# The line is not common to each block, or we don't have a common prefix.
|
|
# If there are no prefixes available, warn and bail out.
|
|
if not prefixes[0]:
|
|
_warn('multiple lines not disambiguated by prefixes:\n{}\n'
|
|
'Some blocks may be skipped entirely as a result.'.format(
|
|
'\n'.join(' - {}'.format(l) for l in line)))
|
|
return []
|
|
|
|
# Iterate through the line from each of the blocks and add the line with
|
|
# the corresponding prefix to the current batch of results so that we can
|
|
# later output them per-prefix.
|
|
for i, l in enumerate(line):
|
|
for prefix in prefixes[i]:
|
|
lresult[prefix].append((prefix, l))
|
|
|
|
# Flush any remaining batched-up lines one prefix at a time to the output.
|
|
for prefix in sorted(lresult):
|
|
result.extend(lresult[prefix])
|
|
return result
|
|
|
|
|
|
def _get_useful_prefix_info(run_infos):
|
|
""" Given the run_infos, calculate any prefixes that are common to every one,
|
|
and the length of the longest prefix string.
|
|
"""
|
|
try:
|
|
all_sets = [set(s) for s in list(zip(*run_infos))[0]]
|
|
common_to_all = set.intersection(*all_sets)
|
|
longest_prefix_len = max(len(p) for p in set.union(*all_sets))
|
|
except IndexError:
|
|
common_to_all = []
|
|
longest_prefix_len = 0
|
|
else:
|
|
if len(common_to_all) > 1:
|
|
_warn('Multiple prefixes common to all RUN lines: {}'.format(
|
|
common_to_all))
|
|
if common_to_all:
|
|
common_to_all = sorted(common_to_all)[0]
|
|
return common_to_all, longest_prefix_len
|
|
|
|
|
|
def _align_matching_blocks(all_blocks, farthest_indexes):
|
|
""" Some sub-sequences of blocks may be common to multiple lists of blocks,
|
|
but at different indexes in each one.
|
|
|
|
For example, in the following case, A,B,E,F, and H are common to both
|
|
sets, but only A and B would be identified as such due to the indexes
|
|
matching:
|
|
|
|
index | 0 1 2 3 4 5 6
|
|
------+--------------
|
|
setA | A B C D E F H
|
|
setB | A B E F G H
|
|
|
|
This function attempts to align the indexes of matching blocks by
|
|
inserting empty blocks into the block list. With this approach, A, B, E,
|
|
F, and H would now be able to be identified as matching blocks:
|
|
|
|
index | 0 1 2 3 4 5 6 7
|
|
------+----------------
|
|
setA | A B C D E F H
|
|
setB | A B E F G H
|
|
"""
|
|
|
|
# "Farthest block analysis": essentially, iterate over all blocks and find
|
|
# the highest index into a block list for the first instance of each block.
|
|
# This is relatively expensive, but we're dealing with small numbers of
|
|
# blocks so it doesn't make a perceivable difference to user time.
|
|
for blocks in all_blocks.values():
|
|
for block in blocks:
|
|
if not block:
|
|
continue
|
|
|
|
index = blocks.index(block)
|
|
|
|
if index > farthest_indexes[block]:
|
|
farthest_indexes[block] = index
|
|
|
|
# Use the results of the above analysis to identify any blocks that can be
|
|
# shunted along to match the farthest index value.
|
|
for blocks in all_blocks.values():
|
|
for index, block in enumerate(blocks):
|
|
if not block:
|
|
continue
|
|
|
|
changed = False
|
|
# If the block has not already been subject to alignment (i.e. if the
|
|
# previous block is not empty) then insert empty blocks until the index
|
|
# matches the farthest index identified for that block.
|
|
if (index > 0) and blocks[index - 1]:
|
|
while(index < farthest_indexes[block]):
|
|
blocks.insert(index, '')
|
|
index += 1
|
|
changed = True
|
|
|
|
if changed:
|
|
# Bail out. We'll need to re-do the farthest block analysis now that
|
|
# we've inserted some blocks.
|
|
return True
|
|
|
|
return False
|
|
|
|
|
|
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 _write_block(output, block, not_prefix_set, common_prefix, prefix_pad):
|
|
""" Write an individual block, with correct padding on the prefixes.
|
|
Returns a set of all of the prefixes that it has written.
|
|
"""
|
|
end_prefix = ': '
|
|
previous_prefix = None
|
|
num_lines_of_prefix = 0
|
|
written_prefixes = set()
|
|
|
|
for prefix, line in block:
|
|
if prefix in not_prefix_set:
|
|
_warn('not writing for prefix {0} due to presence of "{0}-NOT:" '
|
|
'in input file.'.format(prefix))
|
|
continue
|
|
|
|
# If the previous line isn't already blank and we're writing more than one
|
|
# line for the current prefix output a blank line first, unless either the
|
|
# current of previous prefix is common to all.
|
|
num_lines_of_prefix += 1
|
|
if prefix != previous_prefix:
|
|
if output and output[-1]:
|
|
if num_lines_of_prefix > 1 or any(p == common_prefix
|
|
for p in (prefix, previous_prefix)):
|
|
output.append('')
|
|
num_lines_of_prefix = 0
|
|
previous_prefix = prefix
|
|
|
|
written_prefixes.add(prefix)
|
|
output.append(
|
|
'{} {}{}{} {}'.format(COMMENT_CHAR,
|
|
prefix,
|
|
end_prefix,
|
|
' ' * (prefix_pad - len(prefix)),
|
|
line).rstrip())
|
|
end_prefix = '-NEXT:'
|
|
|
|
output.append('')
|
|
return written_prefixes
|
|
|
|
|
|
def _write_output(test_path, input_lines, prefix_list, block_infos, # noqa
|
|
args, common_prefix, prefix_pad):
|
|
prefix_set = set([prefix for prefixes, _ in prefix_list
|
|
for prefix in prefixes])
|
|
not_prefix_set = set()
|
|
|
|
output_lines = []
|
|
for input_line in input_lines:
|
|
if input_line.startswith(ADVERT_PREFIX):
|
|
continue
|
|
|
|
if input_line.startswith(COMMENT_CHAR):
|
|
m = common.CHECK_RE.match(input_line)
|
|
try:
|
|
prefix = m.group(1)
|
|
except AttributeError:
|
|
prefix = None
|
|
|
|
if '{}-NOT:'.format(prefix) in input_line:
|
|
not_prefix_set.add(prefix)
|
|
|
|
if prefix not in prefix_set or prefix in not_prefix_set:
|
|
output_lines.append(input_line)
|
|
continue
|
|
|
|
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)
|
|
|
|
# Skip empty lines if the previous output line is also empty.
|
|
if input_line or output_lines[-1]:
|
|
output_lines.append(input_line)
|
|
else:
|
|
continue
|
|
|
|
# Add a blank line before the new checks if required.
|
|
if len(output_lines) > 0 and output_lines[-1]:
|
|
output_lines.append('')
|
|
|
|
output_check_lines = []
|
|
used_prefixes = set()
|
|
for block_num in range(len(block_infos)):
|
|
if type(block_infos[block_num]) is list:
|
|
# The block is of the type output from _break_down_block().
|
|
used_prefixes |= _write_block(output_check_lines,
|
|
block_infos[block_num],
|
|
not_prefix_set,
|
|
common_prefix,
|
|
prefix_pad)
|
|
else:
|
|
# _break_down_block() was unable to do do anything so output the block
|
|
# as-is.
|
|
|
|
# Rather than writing out each block as soon we encounter it, save it
|
|
# indexed by prefix so that we can write all of the blocks out sorted by
|
|
# prefix at the end.
|
|
output_blocks = defaultdict(list)
|
|
|
|
for block_text in sorted(block_infos[block_num]):
|
|
|
|
if not block_text:
|
|
continue
|
|
|
|
lines = block_text.split('\n')
|
|
for prefix in block_infos[block_num][block_text]:
|
|
assert prefix not in output_blocks
|
|
used_prefixes |= _write_block(output_blocks[prefix],
|
|
[(prefix, line) for line in lines],
|
|
not_prefix_set,
|
|
common_prefix,
|
|
prefix_pad)
|
|
|
|
for prefix in sorted(output_blocks):
|
|
output_check_lines.extend(output_blocks[prefix])
|
|
|
|
unused_prefixes = (prefix_set - not_prefix_set) - used_prefixes
|
|
if unused_prefixes:
|
|
raise Error('unused prefixes: {}'.format(sorted(unused_prefixes)))
|
|
|
|
if output_check_lines:
|
|
output_lines.insert(0, ADVERT)
|
|
output_lines.extend(output_check_lines)
|
|
|
|
# The file should not end with two newlines. It creates unnecessary churn.
|
|
while len(output_lines) > 0 and output_lines[-1] == '':
|
|
output_lines.pop()
|
|
|
|
if input_lines == output_lines:
|
|
sys.stderr.write(' [unchanged]\n')
|
|
return
|
|
sys.stderr.write(' [{} lines total]\n'.format(len(output_lines)))
|
|
|
|
if args.verbose:
|
|
sys.stderr.write(
|
|
'Writing {} lines to {}...\n\n'.format(len(output_lines), test_path))
|
|
|
|
with open(test_path, 'wb') as f:
|
|
f.writelines(['{}\n'.format(l).encode('utf-8') for l in output_lines])
|
|
|
|
def main():
|
|
args = _parse_args()
|
|
test_paths = [test for pattern in args.tests for test in glob.glob(pattern)]
|
|
for test_path in test_paths:
|
|
sys.stderr.write('Test: {}\n'.format(test_path))
|
|
|
|
# Call this per test. By default each warning will only be written once
|
|
# per source location. Reset the warning filter so that now each warning
|
|
# will be written once per source location per test.
|
|
_configure_warnings(args)
|
|
|
|
if args.verbose:
|
|
sys.stderr.write(
|
|
'Scanning for RUN lines in test file: {}\n'.format(test_path))
|
|
|
|
if not os.path.isfile(test_path):
|
|
raise Error('could not find test file: {}'.format(test_path))
|
|
|
|
with open(test_path) as f:
|
|
input_lines = [l.rstrip() for l in f]
|
|
|
|
run_lines = _find_run_lines(input_lines, args)
|
|
run_infos = _get_run_infos(run_lines, args)
|
|
common_prefix, prefix_pad = _get_useful_prefix_info(run_infos)
|
|
block_infos = _get_block_infos(run_infos, test_path, args, common_prefix)
|
|
_write_output(test_path,
|
|
input_lines,
|
|
run_infos,
|
|
block_infos,
|
|
args,
|
|
common_prefix,
|
|
prefix_pad)
|
|
|
|
return 0
|
|
|
|
|
|
if __name__ == '__main__':
|
|
try:
|
|
warnings.showwarning = _showwarning
|
|
sys.exit(main())
|
|
except Error as e:
|
|
sys.stdout.write('error: {}\n'.format(e))
|
|
sys.exit(1)
|