diff options
Diffstat (limited to 'llvm/utils/update_mir_test_checks.py')
-rwxr-xr-x | llvm/utils/update_mir_test_checks.py | 76 |
1 files changed, 43 insertions, 33 deletions
diff --git a/llvm/utils/update_mir_test_checks.py b/llvm/utils/update_mir_test_checks.py index 7a54cc3fd62..83199c8a6b3 100755 --- a/llvm/utils/update_mir_test_checks.py +++ b/llvm/utils/update_mir_test_checks.py @@ -85,12 +85,6 @@ def log(msg, verbose=True): print(msg, file=sys.stderr) -def warn(msg, test_file=None): - if test_file: - msg = '{}: {}'.format(test_file, msg) - print('WARNING: {}'.format(msg), file=sys.stderr) - - def find_triple_in_ir(lines, verbose=False): for l in lines: m = common.TRIPLE_IR_RE.match(l) @@ -119,16 +113,20 @@ def build_run_list(test, run_lines, verbose=False): run_list = [] all_prefixes = [] 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] filecheck_cmd = commands[1] if len(commands) > 1 else '' common.verify_filecheck_prefixes(filecheck_cmd) if not llc_cmd.startswith('llc '): - warn('Skipping non-llc RUN line: {}'.format(l), test_file=test) + common.warn('Skipping non-llc RUN line: {}'.format(l), test_file=test) continue if not filecheck_cmd.startswith('FileCheck '): - warn('Skipping non-FileChecked RUN line: {}'.format(l), + common.warn('Skipping non-FileChecked RUN line: {}'.format(l), test_file=test) continue @@ -193,7 +191,7 @@ def build_function_body_dictionary(test, raw_tool_output, triple, prefixes, log(' {}'.format(l)) for prefix in prefixes: if func in func_dict[prefix] and func_dict[prefix][func] != body: - warn('Found conflicting asm for prefix: {}'.format(prefix), + common.warn('Found conflicting asm for prefix: {}'.format(prefix), test_file=test) func_dict[prefix][func] = body @@ -225,7 +223,7 @@ def add_check_lines(test, output_lines, prefix, func_name, single_bb, func_body.pop(0) if not func_body: - warn('Function has no instructions to check: {}'.format(func_name), + common.warn('Function has no instructions to check: {}'.format(func_name), test_file=test) return @@ -294,49 +292,60 @@ def should_add_line_to_output(input_line, prefix_set): return True -def update_test_file(llc, test, remove_common_prefixes=False, verbose=False): - log('Scanning for RUN lines in test file: {}'.format(test), verbose) +def update_test_file(args, test): + log('Scanning for RUN lines in test file: {}'.format(test), args.verbose) with open(test) as fd: input_lines = [l.rstrip() for l in fd] - triple_in_ir = find_triple_in_ir(input_lines, verbose) - run_lines = find_run_lines(test, input_lines, verbose) - run_list, common_prefixes = build_run_list(test, run_lines, verbose) + script_name = os.path.basename(__file__) + 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) + return + + if args.update_only: + if not first_line or 'autogenerated' not in first_line: + common.warn("Skipping test which isn't autogenerated: " + test) + return + + triple_in_ir = find_triple_in_ir(input_lines, args.verbose) + run_lines = find_run_lines(test, input_lines, args.verbose) + run_list, common_prefixes = build_run_list(test, run_lines, args.verbose) - simple_functions = find_functions_with_one_bb(input_lines, verbose) + simple_functions = find_functions_with_one_bb(input_lines, args.verbose) func_dict = {} for run in run_list: for prefix in run.prefixes: func_dict.update({prefix: dict()}) for prefixes, llc_args, triple_in_cmd in run_list: - log('Extracted LLC cmd: llc {}'.format(llc_args), verbose) - log('Extracted FileCheck prefixes: {}'.format(prefixes), verbose) + log('Extracted LLC cmd: llc {}'.format(llc_args), args.verbose) + log('Extracted FileCheck prefixes: {}'.format(prefixes), args.verbose) - raw_tool_output = llc(llc_args, test) + raw_tool_output = args.llc(llc_args, test) if not triple_in_cmd and not triple_in_ir: - warn('No triple found: skipping file', test_file=test) + common.warn('No triple found: skipping file', test_file=test) return build_function_body_dictionary(test, raw_tool_output, triple_in_cmd or triple_in_ir, - prefixes, func_dict, verbose) + prefixes, func_dict, args.verbose) state = 'toplevel' func_name = None prefix_set = set([prefix for run in run_list for prefix in run.prefixes]) - log('Rewriting FileCheck prefixes: {}'.format(prefix_set), verbose) + log('Rewriting FileCheck prefixes: {}'.format(prefix_set), args.verbose) - if remove_common_prefixes: + if args.remove_common_prefixes: prefix_set.update(common_prefixes) elif common_prefixes: - warn('Ignoring common prefixes: {}'.format(common_prefixes), + common.warn('Ignoring common prefixes: {}'.format(common_prefixes), test_file=test) comment_char = '#' if test.endswith('.mir') else ';' autogenerated_note = ('{} NOTE: Assertions have been autogenerated by ' - 'utils/{}'.format(comment_char, - os.path.basename(__file__))) + 'utils/{}'.format(comment_char, script_name)) output_lines = [] output_lines.append(autogenerated_note) @@ -374,14 +383,14 @@ def update_test_file(llc, test, remove_common_prefixes=False, verbose=False): state = 'mir function body' add_checks_for_function(test, output_lines, run_list, func_dict, func_name, single_bb=False, - verbose=verbose) + verbose=args.verbose) elif state == 'mir function prefix': m = MIR_PREFIX_DATA_RE.match(input_line) if not m: state = 'mir function body' add_checks_for_function(test, output_lines, run_list, func_dict, func_name, single_bb=True, - verbose=verbose) + verbose=args.verbose) if should_add_line_to_output(input_line, prefix_set): output_lines.append(input_line) @@ -397,7 +406,7 @@ def update_test_file(llc, test, remove_common_prefixes=False, verbose=False): state = 'ir function body' add_checks_for_function(test, output_lines, run_list, func_dict, func_name, single_bb=False, - verbose=verbose) + verbose=args.verbose) if should_add_line_to_output(input_line, prefix_set): output_lines.append(input_line) @@ -409,7 +418,7 @@ def update_test_file(llc, test, remove_common_prefixes=False, verbose=False): output_lines.append(input_line) - log('Writing {} lines to {}...'.format(len(output_lines), test), verbose) + log('Writing {} lines to {}...'.format(len(output_lines), test), args.verbose) with open(test, 'wb') as fd: fd.writelines(['{}\n'.format(l).encode('utf-8') for l in output_lines]) @@ -425,16 +434,17 @@ def main(): parser.add_argument('--remove-common-prefixes', action='store_true', help='Remove existing check lines whose prefixes are ' 'shared between multiple commands') + 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() test_paths = [test for pattern in args.tests for test in glob.glob(pattern)] for test in test_paths: try: - update_test_file(args.llc, test, args.remove_common_prefixes, - verbose=args.verbose) + update_test_file(args, test) except Exception: - warn('Error processing file', test_file=test) + common.warn('Error processing file', test_file=test) raise |