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5617b5612e
For example, in OpenMP offload codegen tests, global variables like `.offload_maptypes*` are much easier to read in hex. Reviewed By: jdoerfert Differential Revision: https://reviews.llvm.org/D104743
971 lines
42 KiB
Python
971 lines
42 KiB
Python
from __future__ import print_function
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import copy
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import glob
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import os
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import re
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import subprocess
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import sys
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if sys.version_info[0] > 2:
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class string:
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expandtabs = str.expandtabs
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else:
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import string
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##### Common utilities for update_*test_checks.py
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_verbose = False
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_prefix_filecheck_ir_name = ''
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def parse_commandline_args(parser):
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parser.add_argument('--include-generated-funcs', action='store_true',
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help='Output checks for functions not in source')
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parser.add_argument('-v', '--verbose', action='store_true',
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help='Show verbose output')
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parser.add_argument('-u', '--update-only', action='store_true',
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help='Only update test if it was already autogened')
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parser.add_argument('--force-update', action='store_true',
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help='Update test even if it was autogened by a different script')
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parser.add_argument('--enable', action='store_true', dest='enabled', default=True,
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help='Activate CHECK line generation from this point forward')
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parser.add_argument('--disable', action='store_false', dest='enabled',
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help='Deactivate CHECK line generation from this point forward')
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parser.add_argument('--replace-value-regex', nargs='+', default=[],
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help='List of regular expressions to replace matching value names')
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parser.add_argument('--prefix-filecheck-ir-name', default='',
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help='Add a prefix to FileCheck IR value names to avoid conflicts with scripted names')
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parser.add_argument('--global-value-regex', nargs='+', default=[],
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help='List of regular expressions that a global value declaration must match to generate a check (has no effect if checking globals is not enabled)')
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parser.add_argument('--global-hex-value-regex', nargs='+', default=[],
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help='List of regular expressions such that, for matching global value declarations, literal integer values should be encoded in hex in the associated FileCheck directives')
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args = parser.parse_args()
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global _verbose, _global_value_regex, _global_hex_value_regex
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_verbose = args.verbose
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_global_value_regex = args.global_value_regex
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_global_hex_value_regex = args.global_hex_value_regex
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return args
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class InputLineInfo(object):
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def __init__(self, line, line_number, args, argv):
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self.line = line
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self.line_number = line_number
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self.args = args
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self.argv = argv
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class TestInfo(object):
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def __init__(self, test, parser, script_name, input_lines, args, argv,
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comment_prefix, argparse_callback):
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self.parser = parser
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self.argparse_callback = argparse_callback
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self.path = test
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self.args = args
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if args.prefix_filecheck_ir_name:
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global _prefix_filecheck_ir_name
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_prefix_filecheck_ir_name = args.prefix_filecheck_ir_name
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self.argv = argv
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self.input_lines = input_lines
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self.run_lines = find_run_lines(test, self.input_lines)
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self.comment_prefix = comment_prefix
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if self.comment_prefix is None:
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if self.path.endswith('.mir'):
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self.comment_prefix = '#'
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else:
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self.comment_prefix = ';'
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self.autogenerated_note_prefix = self.comment_prefix + ' ' + UTC_ADVERT
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self.test_autogenerated_note = self.autogenerated_note_prefix + script_name
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self.test_autogenerated_note += get_autogennote_suffix(parser, self.args)
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def ro_iterlines(self):
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for line_num, input_line in enumerate(self.input_lines):
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args, argv = check_for_command(input_line, self.parser,
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self.args, self.argv, self.argparse_callback)
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yield InputLineInfo(input_line, line_num, args, argv)
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def iterlines(self, output_lines):
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output_lines.append(self.test_autogenerated_note)
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for line_info in self.ro_iterlines():
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input_line = line_info.line
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# Discard any previous script advertising.
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if input_line.startswith(self.autogenerated_note_prefix):
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continue
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self.args = line_info.args
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self.argv = line_info.argv
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if not self.args.enabled:
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output_lines.append(input_line)
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continue
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yield line_info
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def itertests(test_patterns, parser, script_name, comment_prefix=None, argparse_callback=None):
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for pattern in test_patterns:
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# On Windows we must expand the patterns ourselves.
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tests_list = glob.glob(pattern)
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if not tests_list:
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warn("Test file pattern '%s' was not found. Ignoring it." % (pattern,))
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continue
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for test in tests_list:
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with open(test) as f:
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input_lines = [l.rstrip() for l in f]
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args = parser.parse_args()
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if argparse_callback is not None:
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argparse_callback(args)
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argv = sys.argv[:]
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first_line = input_lines[0] if input_lines else ""
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if UTC_ADVERT in first_line:
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if script_name not in first_line and not args.force_update:
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warn("Skipping test which wasn't autogenerated by " + script_name, test)
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continue
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args, argv = check_for_command(first_line, parser, args, argv, argparse_callback)
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elif args.update_only:
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assert UTC_ADVERT not in first_line
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warn("Skipping test which isn't autogenerated: " + test)
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continue
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yield TestInfo(test, parser, script_name, input_lines, args, argv,
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comment_prefix, argparse_callback)
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def should_add_line_to_output(input_line, prefix_set, skip_global_checks = False, comment_marker = ';'):
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# Skip any blank comment lines in the IR.
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if not skip_global_checks and input_line.strip() == comment_marker:
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return False
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# Skip a special double comment line we use as a separator.
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if input_line.strip() == comment_marker + SEPARATOR:
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return False
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# Skip any blank lines in the IR.
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#if input_line.strip() == '':
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# return False
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# And skip any CHECK lines. We're building our own.
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m = CHECK_RE.match(input_line)
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if m and m.group(1) in prefix_set:
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if skip_global_checks:
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global_ir_value_re = re.compile('\[\[', flags=(re.M))
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return not global_ir_value_re.search(input_line)
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return False
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return True
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# Invoke the tool that is being tested.
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def invoke_tool(exe, cmd_args, ir, preprocess_cmd=None, verbose=False):
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with open(ir) as ir_file:
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# TODO Remove the str form which is used by update_test_checks.py and
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# update_llc_test_checks.py
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# The safer list form is used by update_cc_test_checks.py
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if preprocess_cmd:
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# Allow pre-processing the IR file (e.g. using sed):
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assert isinstance(preprocess_cmd, str) # TODO: use a list instead of using shell
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preprocess_cmd = preprocess_cmd.replace('%s', ir).strip()
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if verbose:
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print('Pre-processing input file: ', ir, " with command '",
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preprocess_cmd, "'", sep="", file=sys.stderr)
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# Python 2.7 doesn't have subprocess.DEVNULL:
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with open(os.devnull, 'w') as devnull:
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pp = subprocess.Popen(preprocess_cmd, shell=True, stdin=devnull,
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stdout=subprocess.PIPE)
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ir_file = pp.stdout
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if isinstance(cmd_args, list):
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stdout = subprocess.check_output([exe] + cmd_args, stdin=ir_file)
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else:
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stdout = subprocess.check_output(exe + ' ' + cmd_args,
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shell=True, stdin=ir_file)
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if sys.version_info[0] > 2:
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stdout = stdout.decode()
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# Fix line endings to unix CR style.
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return stdout.replace('\r\n', '\n')
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##### LLVM IR parser
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RUN_LINE_RE = re.compile(r'^\s*(?://|[;#])\s*RUN:\s*(.*)$')
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CHECK_PREFIX_RE = re.compile(r'--?check-prefix(?:es)?[= ](\S+)')
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PREFIX_RE = re.compile('^[a-zA-Z0-9_-]+$')
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CHECK_RE = re.compile(r'^\s*(?://|[;#])\s*([^:]+?)(?:-NEXT|-NOT|-DAG|-LABEL|-SAME|-EMPTY)?:')
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UTC_ARGS_KEY = 'UTC_ARGS:'
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UTC_ARGS_CMD = re.compile(r'.*' + UTC_ARGS_KEY + '\s*(?P<cmd>.*)\s*$')
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UTC_ADVERT = 'NOTE: Assertions have been autogenerated by '
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OPT_FUNCTION_RE = re.compile(
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r'^(\s*;\s*Function\sAttrs:\s(?P<attrs>[\w\s]+?))?\s*define\s+(?:internal\s+)?[^@]*@(?P<func>[\w.$-]+?)\s*'
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r'(?P<args_and_sig>\((\)|(.*?[\w.-]+?)\))[^{]*\{)\n(?P<body>.*?)^\}$',
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flags=(re.M | re.S))
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ANALYZE_FUNCTION_RE = re.compile(
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r'^\s*\'(?P<analysis>[\w\s-]+?)\'\s+for\s+function\s+\'(?P<func>[\w.$-]+?)\':'
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r'\s*\n(?P<body>.*)$',
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flags=(re.X | re.S))
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IR_FUNCTION_RE = re.compile(r'^\s*define\s+(?:internal\s+)?[^@]*@"?([\w.$-]+)"?\s*\(')
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TRIPLE_IR_RE = re.compile(r'^\s*target\s+triple\s*=\s*"([^"]+)"$')
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TRIPLE_ARG_RE = re.compile(r'-mtriple[= ]([^ ]+)')
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MARCH_ARG_RE = re.compile(r'-march[= ]([^ ]+)')
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SCRUB_LEADING_WHITESPACE_RE = re.compile(r'^(\s+)')
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SCRUB_WHITESPACE_RE = re.compile(r'(?!^(| \w))[ \t]+', flags=re.M)
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SCRUB_TRAILING_WHITESPACE_RE = re.compile(r'[ \t]+$', flags=re.M)
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SCRUB_TRAILING_WHITESPACE_TEST_RE = SCRUB_TRAILING_WHITESPACE_RE
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SCRUB_TRAILING_WHITESPACE_AND_ATTRIBUTES_RE = re.compile(r'([ \t]|(#[0-9]+))+$', flags=re.M)
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SCRUB_KILL_COMMENT_RE = re.compile(r'^ *#+ +kill:.*\n')
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SCRUB_LOOP_COMMENT_RE = re.compile(
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r'# =>This Inner Loop Header:.*|# in Loop:.*', flags=re.M)
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SCRUB_TAILING_COMMENT_TOKEN_RE = re.compile(r'(?<=\S)+[ \t]*#$', flags=re.M)
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SEPARATOR = '.'
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def error(msg, test_file=None):
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if test_file:
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msg = '{}: {}'.format(msg, test_file)
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print('ERROR: {}'.format(msg), file=sys.stderr)
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def warn(msg, test_file=None):
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if test_file:
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msg = '{}: {}'.format(msg, test_file)
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print('WARNING: {}'.format(msg), file=sys.stderr)
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def debug(*args, **kwargs):
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# Python2 does not allow def debug(*args, file=sys.stderr, **kwargs):
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if 'file' not in kwargs:
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kwargs['file'] = sys.stderr
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if _verbose:
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print(*args, **kwargs)
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def find_run_lines(test, lines):
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debug('Scanning for RUN lines in test file:', test)
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raw_lines = [m.group(1)
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for m in [RUN_LINE_RE.match(l) for l in lines] if m]
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run_lines = [raw_lines[0]] if len(raw_lines) > 0 else []
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for l in raw_lines[1:]:
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if run_lines[-1].endswith('\\'):
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run_lines[-1] = run_lines[-1].rstrip('\\') + ' ' + l
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else:
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run_lines.append(l)
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debug('Found {} RUN lines in {}:'.format(len(run_lines), test))
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for l in run_lines:
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debug(' RUN: {}'.format(l))
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return run_lines
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def scrub_body(body):
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# Scrub runs of whitespace out of the assembly, but leave the leading
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# whitespace in place.
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body = SCRUB_WHITESPACE_RE.sub(r' ', body)
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# Expand the tabs used for indentation.
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body = string.expandtabs(body, 2)
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# Strip trailing whitespace.
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body = SCRUB_TRAILING_WHITESPACE_TEST_RE.sub(r'', body)
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return body
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def do_scrub(body, scrubber, scrubber_args, extra):
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if scrubber_args:
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local_args = copy.deepcopy(scrubber_args)
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local_args[0].extra_scrub = extra
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return scrubber(body, *local_args)
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return scrubber(body, *scrubber_args)
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# Build up a dictionary of all the function bodies.
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class function_body(object):
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def __init__(self, string, extra, args_and_sig, attrs):
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self.scrub = string
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self.extrascrub = extra
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self.args_and_sig = args_and_sig
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self.attrs = attrs
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def is_same_except_arg_names(self, extrascrub, args_and_sig, attrs):
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arg_names = set()
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def drop_arg_names(match):
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arg_names.add(match.group(variable_group_in_ir_value_match))
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if match.group(attribute_group_in_ir_value_match):
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attr = match.group(attribute_group_in_ir_value_match)
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else:
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attr = ''
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return match.group(1) + attr + match.group(match.lastindex)
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def repl_arg_names(match):
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if match.group(variable_group_in_ir_value_match) is not None and match.group(variable_group_in_ir_value_match) in arg_names:
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return match.group(1) + match.group(match.lastindex)
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return match.group(1) + match.group(2) + match.group(match.lastindex)
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if self.attrs != attrs:
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return False
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ans0 = IR_VALUE_RE.sub(drop_arg_names, self.args_and_sig)
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ans1 = IR_VALUE_RE.sub(drop_arg_names, args_and_sig)
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if ans0 != ans1:
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return False
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es0 = IR_VALUE_RE.sub(repl_arg_names, self.extrascrub)
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es1 = IR_VALUE_RE.sub(repl_arg_names, extrascrub)
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es0 = SCRUB_IR_COMMENT_RE.sub(r'', es0)
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es1 = SCRUB_IR_COMMENT_RE.sub(r'', es1)
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return es0 == es1
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def __str__(self):
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return self.scrub
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class FunctionTestBuilder:
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def __init__(self, run_list, flags, scrubber_args, path):
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self._verbose = flags.verbose
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self._record_args = flags.function_signature
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self._check_attributes = flags.check_attributes
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self._scrubber_args = scrubber_args
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self._path = path
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# Strip double-quotes if input was read by UTC_ARGS
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self._replace_value_regex = list(map(lambda x: x.strip('"'), flags.replace_value_regex))
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self._func_dict = {}
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self._func_order = {}
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self._global_var_dict = {}
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for tuple in run_list:
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for prefix in tuple[0]:
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self._func_dict.update({prefix:dict()})
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self._func_order.update({prefix: []})
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self._global_var_dict.update({prefix:dict()})
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def finish_and_get_func_dict(self):
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for prefix in self._get_failed_prefixes():
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warn('Prefix %s had conflicting output from different RUN lines for all functions in test %s' % (prefix,self._path,))
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return self._func_dict
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def func_order(self):
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return self._func_order
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def global_var_dict(self):
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return self._global_var_dict
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def process_run_line(self, function_re, scrubber, raw_tool_output, prefixes):
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build_global_values_dictionary(self._global_var_dict, raw_tool_output, prefixes)
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for m in function_re.finditer(raw_tool_output):
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if not m:
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continue
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func = m.group('func')
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body = m.group('body')
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attrs = m.group('attrs') if self._check_attributes else ''
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# Determine if we print arguments, the opening brace, or nothing after the
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# function name
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if self._record_args and 'args_and_sig' in m.groupdict():
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args_and_sig = scrub_body(m.group('args_and_sig').strip())
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elif 'args_and_sig' in m.groupdict():
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args_and_sig = '('
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else:
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args_and_sig = ''
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scrubbed_body = do_scrub(body, scrubber, self._scrubber_args,
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extra=False)
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scrubbed_extra = do_scrub(body, scrubber, self._scrubber_args,
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extra=True)
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if 'analysis' in m.groupdict():
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analysis = m.group('analysis')
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if analysis.lower() != 'cost model analysis':
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warn('Unsupported analysis mode: %r!' % (analysis,))
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if func.startswith('stress'):
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# We only use the last line of the function body for stress tests.
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scrubbed_body = '\n'.join(scrubbed_body.splitlines()[-1:])
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if self._verbose:
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print('Processing function: ' + func, file=sys.stderr)
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for l in scrubbed_body.splitlines():
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print(' ' + l, file=sys.stderr)
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for prefix in prefixes:
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# Replace function names matching the regex.
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for regex in self._replace_value_regex:
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# Pattern that matches capture groups in the regex in leftmost order.
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group_regex = re.compile('\(.*?\)')
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# Replace function name with regex.
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match = re.match(regex, func)
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if match:
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func_repl = regex
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# Replace any capture groups with their matched strings.
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for g in match.groups():
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func_repl = group_regex.sub(re.escape(g), func_repl, count=1)
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func = re.sub(func_repl, '{{' + func_repl + '}}', func)
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# Replace all calls to regex matching functions.
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matches = re.finditer(regex, scrubbed_body)
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for match in matches:
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func_repl = regex
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# Replace any capture groups with their matched strings.
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for g in match.groups():
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func_repl = group_regex.sub(re.escape(g), func_repl, count=1)
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# Substitute function call names that match the regex with the same
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# capture groups set.
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scrubbed_body = re.sub(func_repl, '{{' + func_repl + '}}',
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scrubbed_body)
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if func in self._func_dict[prefix]:
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if (self._func_dict[prefix][func] is None or
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str(self._func_dict[prefix][func]) != scrubbed_body or
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self._func_dict[prefix][func].args_and_sig != args_and_sig or
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self._func_dict[prefix][func].attrs != attrs):
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if (self._func_dict[prefix][func] is not None and
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self._func_dict[prefix][func].is_same_except_arg_names(
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scrubbed_extra,
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args_and_sig,
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attrs)):
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self._func_dict[prefix][func].scrub = scrubbed_extra
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self._func_dict[prefix][func].args_and_sig = args_and_sig
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continue
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else:
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# This means a previous RUN line produced a body for this function
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# that is different from the one produced by this current RUN line,
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# so the body can't be common accross RUN lines. We use None to
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# indicate that.
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self._func_dict[prefix][func] = None
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continue
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self._func_dict[prefix][func] = function_body(
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scrubbed_body, scrubbed_extra, args_and_sig, attrs)
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self._func_order[prefix].append(func)
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|
|
def _get_failed_prefixes(self):
|
|
# This returns the list of those prefixes that failed to match any function,
|
|
# because there were conflicting bodies produced by different RUN lines, in
|
|
# all instances of the prefix. Effectively, this prefix is unused and should
|
|
# be removed.
|
|
for prefix in self._func_dict:
|
|
if (self._func_dict[prefix] and
|
|
(not [fct for fct in self._func_dict[prefix]
|
|
if self._func_dict[prefix][fct] is not None])):
|
|
yield prefix
|
|
|
|
|
|
##### Generator of LLVM IR CHECK lines
|
|
|
|
SCRUB_IR_COMMENT_RE = re.compile(r'\s*;.*')
|
|
|
|
# TODO: We should also derive check lines for global, debug, loop declarations, etc..
|
|
|
|
class NamelessValue:
|
|
def __init__(self, check_prefix, check_key, ir_prefix, global_ir_prefix, global_ir_prefix_regexp,
|
|
ir_regexp, global_ir_rhs_regexp, is_before_functions):
|
|
self.check_prefix = check_prefix
|
|
self.check_key = check_key
|
|
self.ir_prefix = ir_prefix
|
|
self.global_ir_prefix = global_ir_prefix
|
|
self.global_ir_prefix_regexp = global_ir_prefix_regexp
|
|
self.ir_regexp = ir_regexp
|
|
self.global_ir_rhs_regexp = global_ir_rhs_regexp
|
|
self.is_before_functions = is_before_functions
|
|
|
|
# Description of the different "unnamed" values we match in the IR, e.g.,
|
|
# (local) ssa values, (debug) metadata, etc.
|
|
nameless_values = [
|
|
NamelessValue(r'TMP' , '%' , r'%' , None , None , r'[\w$.-]+?' , None , False) ,
|
|
NamelessValue(r'ATTR' , '#' , r'#' , None , None , r'[0-9]+' , None , False) ,
|
|
NamelessValue(r'ATTR' , '#' , None , r'attributes #' , r'[0-9]+' , None , r'{[^}]*}' , False) ,
|
|
NamelessValue(r'GLOB' , '@' , r'@' , None , None , r'[0-9]+' , None , False) ,
|
|
NamelessValue(r'GLOB' , '@' , None , r'@' , r'[a-zA-Z0-9_$"\\.-]+' , None , r'.+' , True) ,
|
|
NamelessValue(r'DBG' , '!' , r'!dbg ' , None , None , r'![0-9]+' , None , False) ,
|
|
NamelessValue(r'PROF' , '!' , r'!prof ' , None , None , r'![0-9]+' , None , False) ,
|
|
NamelessValue(r'TBAA' , '!' , r'!tbaa ' , None , None , r'![0-9]+' , None , False) ,
|
|
NamelessValue(r'RNG' , '!' , r'!range ' , None , None , r'![0-9]+' , None , False) ,
|
|
NamelessValue(r'LOOP' , '!' , r'!llvm.loop ' , None , None , r'![0-9]+' , None , False) ,
|
|
NamelessValue(r'META' , '!' , r'metadata ' , None , None , r'![0-9]+' , None , False) ,
|
|
NamelessValue(r'META' , '!' , None , r'' , r'![0-9]+' , None , r'(?:distinct |)!.*' , False) ,
|
|
]
|
|
|
|
def createOrRegexp(old, new):
|
|
if not old:
|
|
return new
|
|
if not new:
|
|
return old
|
|
return old + '|' + new
|
|
|
|
def createPrefixMatch(prefix_str, prefix_re):
|
|
if prefix_str is None or prefix_re is None:
|
|
return ''
|
|
return '(?:' + prefix_str + '(' + prefix_re + '))'
|
|
|
|
# Build the regexp that matches an "IR value". This can be a local variable,
|
|
# argument, global, or metadata, anything that is "named". It is important that
|
|
# the PREFIX and SUFFIX below only contain a single group, if that changes
|
|
# other locations will need adjustment as well.
|
|
IR_VALUE_REGEXP_PREFIX = r'(\s*)'
|
|
IR_VALUE_REGEXP_STRING = r''
|
|
for nameless_value in nameless_values:
|
|
lcl_match = createPrefixMatch(nameless_value.ir_prefix, nameless_value.ir_regexp)
|
|
glb_match = createPrefixMatch(nameless_value.global_ir_prefix, nameless_value.global_ir_prefix_regexp)
|
|
assert((lcl_match or glb_match) and not (lcl_match and glb_match))
|
|
if lcl_match:
|
|
IR_VALUE_REGEXP_STRING = createOrRegexp(IR_VALUE_REGEXP_STRING, lcl_match)
|
|
elif glb_match:
|
|
IR_VALUE_REGEXP_STRING = createOrRegexp(IR_VALUE_REGEXP_STRING, '^' + glb_match)
|
|
IR_VALUE_REGEXP_SUFFIX = r'([,\s\(\)]|\Z)'
|
|
IR_VALUE_RE = re.compile(IR_VALUE_REGEXP_PREFIX + r'(' + IR_VALUE_REGEXP_STRING + r')' + IR_VALUE_REGEXP_SUFFIX)
|
|
|
|
# The entire match is group 0, the prefix has one group (=1), the entire
|
|
# IR_VALUE_REGEXP_STRING is one group (=2), and then the nameless values start.
|
|
first_nameless_group_in_ir_value_match = 3
|
|
|
|
# constants for the group id of special matches
|
|
variable_group_in_ir_value_match = 3
|
|
attribute_group_in_ir_value_match = 4
|
|
|
|
# Check a match for IR_VALUE_RE and inspect it to determine if it was a local
|
|
# value, %..., global @..., debug number !dbg !..., etc. See the PREFIXES above.
|
|
def get_idx_from_ir_value_match(match):
|
|
for i in range(first_nameless_group_in_ir_value_match, match.lastindex):
|
|
if match.group(i) is not None:
|
|
return i - first_nameless_group_in_ir_value_match
|
|
error("Unable to identify the kind of IR value from the match!")
|
|
return 0
|
|
|
|
# See get_idx_from_ir_value_match
|
|
def get_name_from_ir_value_match(match):
|
|
return match.group(get_idx_from_ir_value_match(match) + first_nameless_group_in_ir_value_match)
|
|
|
|
# Return the nameless prefix we use for this kind or IR value, see also
|
|
# get_idx_from_ir_value_match
|
|
def get_nameless_check_prefix_from_ir_value_match(match):
|
|
return nameless_values[get_idx_from_ir_value_match(match)].check_prefix
|
|
|
|
# Return the IR prefix and check prefix we use for this kind or IR value, e.g., (%, TMP) for locals,
|
|
# see also get_idx_from_ir_value_match
|
|
def get_ir_prefix_from_ir_value_match(match):
|
|
idx = get_idx_from_ir_value_match(match)
|
|
if nameless_values[idx].ir_prefix and match.group(0).strip().startswith(nameless_values[idx].ir_prefix):
|
|
return nameless_values[idx].ir_prefix, nameless_values[idx].check_prefix
|
|
return nameless_values[idx].global_ir_prefix, nameless_values[idx].check_prefix
|
|
|
|
def get_check_key_from_ir_value_match(match):
|
|
idx = get_idx_from_ir_value_match(match)
|
|
return nameless_values[idx].check_key
|
|
|
|
# Return the IR regexp we use for this kind or IR value, e.g., [\w.-]+? for locals,
|
|
# see also get_idx_from_ir_value_match
|
|
def get_ir_prefix_from_ir_value_re_match(match):
|
|
# for backwards compatibility we check locals with '.*'
|
|
if is_local_def_ir_value_match(match):
|
|
return '.*'
|
|
idx = get_idx_from_ir_value_match(match)
|
|
if nameless_values[idx].ir_prefix and match.group(0).strip().startswith(nameless_values[idx].ir_prefix):
|
|
return nameless_values[idx].ir_regexp
|
|
return nameless_values[idx].global_ir_prefix_regexp
|
|
|
|
# Return true if this kind of IR value is "local", basically if it matches '%{{.*}}'.
|
|
def is_local_def_ir_value_match(match):
|
|
return nameless_values[get_idx_from_ir_value_match(match)].ir_prefix == '%'
|
|
|
|
# Return true if this kind of IR value is "global", basically if it matches '#{{.*}}'.
|
|
def is_global_scope_ir_value_match(match):
|
|
return nameless_values[get_idx_from_ir_value_match(match)].global_ir_prefix is not None
|
|
|
|
# Return true if var clashes with the scripted FileCheck check_prefix.
|
|
def may_clash_with_default_check_prefix_name(check_prefix, var):
|
|
return check_prefix and re.match(r'^' + check_prefix + r'[0-9]+?$', var, re.IGNORECASE)
|
|
|
|
# Create a FileCheck variable name based on an IR name.
|
|
def get_value_name(var, check_prefix):
|
|
var = var.replace('!', '')
|
|
# This is a nameless value, prepend check_prefix.
|
|
if var.isdigit():
|
|
var = check_prefix + var
|
|
else:
|
|
# This is a named value that clashes with the check_prefix, prepend with _prefix_filecheck_ir_name,
|
|
# if it has been defined.
|
|
if may_clash_with_default_check_prefix_name(check_prefix, var) and _prefix_filecheck_ir_name:
|
|
var = _prefix_filecheck_ir_name + var
|
|
var = var.replace('.', '_')
|
|
var = var.replace('-', '_')
|
|
return var.upper()
|
|
|
|
# Create a FileCheck variable from regex.
|
|
def get_value_definition(var, match):
|
|
# for backwards compatibility we check locals with '.*'
|
|
if is_local_def_ir_value_match(match):
|
|
return '[[' + get_value_name(var, get_nameless_check_prefix_from_ir_value_match(match)) + ':' + \
|
|
get_ir_prefix_from_ir_value_match(match)[0] + get_ir_prefix_from_ir_value_re_match(match) + ']]'
|
|
prefix = get_ir_prefix_from_ir_value_match(match)[0]
|
|
return prefix + '[[' + get_value_name(var, get_nameless_check_prefix_from_ir_value_match(match)) + ':' + get_ir_prefix_from_ir_value_re_match(match) + ']]'
|
|
|
|
# Use a FileCheck variable.
|
|
def get_value_use(var, match, check_prefix):
|
|
if is_local_def_ir_value_match(match):
|
|
return '[[' + get_value_name(var, check_prefix) + ']]'
|
|
prefix = get_ir_prefix_from_ir_value_match(match)[0]
|
|
return prefix + '[[' + get_value_name(var, check_prefix) + ']]'
|
|
|
|
# Replace IR value defs and uses with FileCheck variables.
|
|
def generalize_check_lines(lines, is_analyze, vars_seen, global_vars_seen):
|
|
# This gets called for each match that occurs in
|
|
# a line. We transform variables we haven't seen
|
|
# into defs, and variables we have seen into uses.
|
|
def transform_line_vars(match):
|
|
pre, check = get_ir_prefix_from_ir_value_match(match)
|
|
var = get_name_from_ir_value_match(match)
|
|
for nameless_value in nameless_values:
|
|
if may_clash_with_default_check_prefix_name(nameless_value.check_prefix, var):
|
|
warn("Change IR value name '%s' or use -prefix-ir-filecheck-name to prevent possible conflict"
|
|
" with scripted FileCheck name." % (var,))
|
|
key = (var, get_check_key_from_ir_value_match(match))
|
|
is_local_def = is_local_def_ir_value_match(match)
|
|
if is_local_def and key in vars_seen:
|
|
rv = get_value_use(var, match, get_nameless_check_prefix_from_ir_value_match(match))
|
|
elif not is_local_def and key in global_vars_seen:
|
|
rv = get_value_use(var, match, global_vars_seen[key])
|
|
else:
|
|
if is_local_def:
|
|
vars_seen.add(key)
|
|
else:
|
|
global_vars_seen[key] = get_nameless_check_prefix_from_ir_value_match(match)
|
|
rv = get_value_definition(var, match)
|
|
# re.sub replaces the entire regex match
|
|
# with whatever you return, so we have
|
|
# to make sure to hand it back everything
|
|
# including the commas and spaces.
|
|
return match.group(1) + rv + match.group(match.lastindex)
|
|
|
|
lines_with_def = []
|
|
|
|
for i, line in enumerate(lines):
|
|
# An IR variable named '%.' matches the FileCheck regex string.
|
|
line = line.replace('%.', '%dot')
|
|
for regex in _global_hex_value_regex:
|
|
if re.match('^@' + regex + ' = ', line):
|
|
line = re.sub(r'\bi([0-9]+) ([0-9]+)',
|
|
lambda m : 'i' + m.group(1) + ' [[#' + hex(int(m.group(2))) + ']]',
|
|
line)
|
|
break
|
|
# Ignore any comments, since the check lines will too.
|
|
scrubbed_line = SCRUB_IR_COMMENT_RE.sub(r'', line)
|
|
lines[i] = scrubbed_line
|
|
if not is_analyze:
|
|
# It can happen that two matches are back-to-back and for some reason sub
|
|
# will not replace both of them. For now we work around this by
|
|
# substituting until there is no more match.
|
|
changed = True
|
|
while changed:
|
|
(lines[i], changed) = IR_VALUE_RE.subn(transform_line_vars, lines[i], count=1)
|
|
return lines
|
|
|
|
|
|
def add_checks(output_lines, comment_marker, prefix_list, func_dict, func_name, check_label_format, is_asm, is_analyze, global_vars_seen_dict):
|
|
# prefix_exclusions are prefixes we cannot use to print the function because it doesn't exist in run lines that use these prefixes as well.
|
|
prefix_exclusions = set()
|
|
printed_prefixes = []
|
|
for p in prefix_list:
|
|
checkprefixes = p[0]
|
|
# If not all checkprefixes of this run line produced the function we cannot check for it as it does not
|
|
# exist for this run line. A subset of the check prefixes might know about the function but only because
|
|
# other run lines created it.
|
|
if any(map(lambda checkprefix: func_name not in func_dict[checkprefix], checkprefixes)):
|
|
prefix_exclusions |= set(checkprefixes)
|
|
continue
|
|
|
|
# prefix_exclusions is constructed, we can now emit the output
|
|
for p in prefix_list:
|
|
global_vars_seen = {}
|
|
checkprefixes = p[0]
|
|
for checkprefix in checkprefixes:
|
|
if checkprefix in global_vars_seen_dict:
|
|
global_vars_seen.update(global_vars_seen_dict[checkprefix])
|
|
else:
|
|
global_vars_seen_dict[checkprefix] = {}
|
|
if checkprefix in printed_prefixes:
|
|
break
|
|
|
|
# Check if the prefix is excluded.
|
|
if checkprefix in prefix_exclusions:
|
|
continue
|
|
|
|
# If we do not have output for this prefix we skip it.
|
|
if not func_dict[checkprefix][func_name]:
|
|
continue
|
|
|
|
# Add some space between different check prefixes, but not after the last
|
|
# check line (before the test code).
|
|
if is_asm:
|
|
if len(printed_prefixes) != 0:
|
|
output_lines.append(comment_marker)
|
|
|
|
if checkprefix not in global_vars_seen_dict:
|
|
global_vars_seen_dict[checkprefix] = {}
|
|
|
|
global_vars_seen_before = [key for key in global_vars_seen.keys()]
|
|
|
|
vars_seen = set()
|
|
printed_prefixes.append(checkprefix)
|
|
attrs = str(func_dict[checkprefix][func_name].attrs)
|
|
attrs = '' if attrs == 'None' else attrs
|
|
if attrs:
|
|
output_lines.append('%s %s: Function Attrs: %s' % (comment_marker, checkprefix, attrs))
|
|
args_and_sig = str(func_dict[checkprefix][func_name].args_and_sig)
|
|
args_and_sig = generalize_check_lines([args_and_sig], is_analyze, vars_seen, global_vars_seen)[0]
|
|
if '[[' in args_and_sig:
|
|
output_lines.append(check_label_format % (checkprefix, func_name, ''))
|
|
output_lines.append('%s %s-SAME: %s' % (comment_marker, checkprefix, args_and_sig))
|
|
else:
|
|
output_lines.append(check_label_format % (checkprefix, func_name, args_and_sig))
|
|
func_body = str(func_dict[checkprefix][func_name]).splitlines()
|
|
|
|
# For ASM output, just emit the check lines.
|
|
if is_asm:
|
|
output_lines.append('%s %s: %s' % (comment_marker, checkprefix, func_body[0]))
|
|
for func_line in func_body[1:]:
|
|
if func_line.strip() == '':
|
|
output_lines.append('%s %s-EMPTY:' % (comment_marker, checkprefix))
|
|
else:
|
|
output_lines.append('%s %s-NEXT: %s' % (comment_marker, checkprefix, func_line))
|
|
break
|
|
|
|
# For IR output, change all defs to FileCheck variables, so we're immune
|
|
# to variable naming fashions.
|
|
func_body = generalize_check_lines(func_body, is_analyze, vars_seen, global_vars_seen)
|
|
|
|
# This could be selectively enabled with an optional invocation argument.
|
|
# Disabled for now: better to check everything. Be safe rather than sorry.
|
|
|
|
# Handle the first line of the function body as a special case because
|
|
# it's often just noise (a useless asm comment or entry label).
|
|
#if func_body[0].startswith("#") or func_body[0].startswith("entry:"):
|
|
# is_blank_line = True
|
|
#else:
|
|
# output_lines.append('%s %s: %s' % (comment_marker, checkprefix, func_body[0]))
|
|
# is_blank_line = False
|
|
|
|
is_blank_line = False
|
|
|
|
for func_line in func_body:
|
|
if func_line.strip() == '':
|
|
is_blank_line = True
|
|
continue
|
|
# Do not waste time checking IR comments.
|
|
func_line = SCRUB_IR_COMMENT_RE.sub(r'', func_line)
|
|
|
|
# Skip blank lines instead of checking them.
|
|
if is_blank_line:
|
|
output_lines.append('{} {}: {}'.format(
|
|
comment_marker, checkprefix, func_line))
|
|
else:
|
|
output_lines.append('{} {}-NEXT: {}'.format(
|
|
comment_marker, checkprefix, func_line))
|
|
is_blank_line = False
|
|
|
|
# Add space between different check prefixes and also before the first
|
|
# line of code in the test function.
|
|
output_lines.append(comment_marker)
|
|
|
|
# Remembe new global variables we have not seen before
|
|
for key in global_vars_seen:
|
|
if key not in global_vars_seen_before:
|
|
global_vars_seen_dict[checkprefix][key] = global_vars_seen[key]
|
|
break
|
|
|
|
def add_ir_checks(output_lines, comment_marker, prefix_list, func_dict,
|
|
func_name, preserve_names, function_sig, global_vars_seen_dict):
|
|
# Label format is based on IR string.
|
|
function_def_regex = 'define {{[^@]+}}' if function_sig else ''
|
|
check_label_format = '{} %s-LABEL: {}@%s%s'.format(comment_marker, function_def_regex)
|
|
add_checks(output_lines, comment_marker, prefix_list, func_dict, func_name,
|
|
check_label_format, False, preserve_names, global_vars_seen_dict)
|
|
|
|
def add_analyze_checks(output_lines, comment_marker, prefix_list, func_dict, func_name):
|
|
check_label_format = '{} %s-LABEL: \'%s%s\''.format(comment_marker)
|
|
global_vars_seen_dict = {}
|
|
add_checks(output_lines, comment_marker, prefix_list, func_dict, func_name,
|
|
check_label_format, False, True, global_vars_seen_dict)
|
|
|
|
def build_global_values_dictionary(glob_val_dict, raw_tool_output, prefixes):
|
|
for nameless_value in nameless_values:
|
|
if nameless_value.global_ir_prefix is None:
|
|
continue
|
|
|
|
lhs_re_str = nameless_value.global_ir_prefix + nameless_value.global_ir_prefix_regexp
|
|
rhs_re_str = nameless_value.global_ir_rhs_regexp
|
|
|
|
global_ir_value_re_str = r'^' + lhs_re_str + r'\s=\s' + rhs_re_str + r'$'
|
|
global_ir_value_re = re.compile(global_ir_value_re_str, flags=(re.M))
|
|
lines = []
|
|
for m in global_ir_value_re.finditer(raw_tool_output):
|
|
lines.append(m.group(0))
|
|
|
|
for prefix in prefixes:
|
|
if glob_val_dict[prefix] is None:
|
|
continue
|
|
if nameless_value.check_prefix in glob_val_dict[prefix]:
|
|
if lines == glob_val_dict[prefix][nameless_value.check_prefix]:
|
|
continue
|
|
if prefix == prefixes[-1]:
|
|
warn('Found conflicting asm under the same prefix: %r!' % (prefix,))
|
|
else:
|
|
glob_val_dict[prefix][nameless_value.check_prefix] = None
|
|
continue
|
|
glob_val_dict[prefix][nameless_value.check_prefix] = lines
|
|
|
|
def add_global_checks(glob_val_dict, comment_marker, prefix_list, output_lines, global_vars_seen_dict, is_analyze, is_before_functions):
|
|
printed_prefixes = set()
|
|
for nameless_value in nameless_values:
|
|
if nameless_value.global_ir_prefix is None:
|
|
continue
|
|
if nameless_value.is_before_functions != is_before_functions:
|
|
continue
|
|
for p in prefix_list:
|
|
global_vars_seen = {}
|
|
checkprefixes = p[0]
|
|
if checkprefixes is None:
|
|
continue
|
|
for checkprefix in checkprefixes:
|
|
if checkprefix in global_vars_seen_dict:
|
|
global_vars_seen.update(global_vars_seen_dict[checkprefix])
|
|
else:
|
|
global_vars_seen_dict[checkprefix] = {}
|
|
if (checkprefix, nameless_value.check_prefix) in printed_prefixes:
|
|
break
|
|
if not glob_val_dict[checkprefix]:
|
|
continue
|
|
if nameless_value.check_prefix not in glob_val_dict[checkprefix]:
|
|
continue
|
|
if not glob_val_dict[checkprefix][nameless_value.check_prefix]:
|
|
continue
|
|
|
|
check_lines = []
|
|
global_vars_seen_before = [key for key in global_vars_seen.keys()]
|
|
for line in glob_val_dict[checkprefix][nameless_value.check_prefix]:
|
|
if _global_value_regex:
|
|
matched = False
|
|
for regex in _global_value_regex:
|
|
if re.match('^@' + regex + ' = ', line):
|
|
matched = True
|
|
break
|
|
if not matched:
|
|
continue
|
|
tmp = generalize_check_lines([line], is_analyze, set(), global_vars_seen)
|
|
check_line = '%s %s: %s' % (comment_marker, checkprefix, tmp[0])
|
|
check_lines.append(check_line)
|
|
if not check_lines:
|
|
continue
|
|
|
|
output_lines.append(comment_marker + SEPARATOR)
|
|
for check_line in check_lines:
|
|
output_lines.append(check_line)
|
|
|
|
printed_prefixes.add((checkprefix, nameless_value.check_prefix))
|
|
|
|
# Remembe new global variables we have not seen before
|
|
for key in global_vars_seen:
|
|
if key not in global_vars_seen_before:
|
|
global_vars_seen_dict[checkprefix][key] = global_vars_seen[key]
|
|
break
|
|
|
|
if printed_prefixes:
|
|
output_lines.append(comment_marker + SEPARATOR)
|
|
|
|
|
|
def check_prefix(prefix):
|
|
if not PREFIX_RE.match(prefix):
|
|
hint = ""
|
|
if ',' in prefix:
|
|
hint = " Did you mean '--check-prefixes=" + prefix + "'?"
|
|
warn(("Supplied prefix '%s' is invalid. Prefix must contain only alphanumeric characters, hyphens and underscores." + hint) %
|
|
(prefix))
|
|
|
|
|
|
def verify_filecheck_prefixes(fc_cmd):
|
|
fc_cmd_parts = fc_cmd.split()
|
|
for part in fc_cmd_parts:
|
|
if "check-prefix=" in part:
|
|
prefix = part.split('=', 1)[1]
|
|
check_prefix(prefix)
|
|
elif "check-prefixes=" in part:
|
|
prefixes = part.split('=', 1)[1].split(',')
|
|
for prefix in prefixes:
|
|
check_prefix(prefix)
|
|
if prefixes.count(prefix) > 1:
|
|
warn("Supplied prefix '%s' is not unique in the prefix list." % (prefix,))
|
|
|
|
|
|
def get_autogennote_suffix(parser, args):
|
|
autogenerated_note_args = ''
|
|
for action in parser._actions:
|
|
if not hasattr(args, action.dest):
|
|
continue # Ignore options such as --help that aren't included in args
|
|
# Ignore parameters such as paths to the binary or the list of tests
|
|
if action.dest in ('tests', 'update_only', 'opt_binary', 'llc_binary',
|
|
'clang', 'opt', 'llvm_bin', 'verbose'):
|
|
continue
|
|
value = getattr(args, action.dest)
|
|
if action.const is not None: # action stores a constant (usually True/False)
|
|
# Skip actions with different constant values (this happens with boolean
|
|
# --foo/--no-foo options)
|
|
if value != action.const:
|
|
continue
|
|
if parser.get_default(action.dest) == value:
|
|
continue # Don't add default values
|
|
autogenerated_note_args += action.option_strings[0] + ' '
|
|
if action.const is None: # action takes a parameter
|
|
if action.nargs == '+':
|
|
value = ' '.join(map(lambda v: '"' + v.strip('"') + '"', value))
|
|
autogenerated_note_args += '%s ' % value
|
|
if autogenerated_note_args:
|
|
autogenerated_note_args = ' %s %s' % (UTC_ARGS_KEY, autogenerated_note_args[:-1])
|
|
return autogenerated_note_args
|
|
|
|
|
|
def check_for_command(line, parser, args, argv, argparse_callback):
|
|
cmd_m = UTC_ARGS_CMD.match(line)
|
|
if cmd_m:
|
|
for option in cmd_m.group('cmd').strip().split(' '):
|
|
if option:
|
|
argv.append(option)
|
|
args = parser.parse_args(filter(lambda arg: arg not in args.tests, argv))
|
|
if argparse_callback is not None:
|
|
argparse_callback(args)
|
|
return args, argv
|
|
|
|
def find_arg_in_test(test_info, get_arg_to_check, arg_string, is_global):
|
|
result = get_arg_to_check(test_info.args)
|
|
if not result and is_global:
|
|
# See if this has been specified via UTC_ARGS. This is a "global" option
|
|
# that affects the entire generation of test checks. If it exists anywhere
|
|
# in the test, apply it to everything.
|
|
saw_line = False
|
|
for line_info in test_info.ro_iterlines():
|
|
line = line_info.line
|
|
if not line.startswith(';') and line.strip() != '':
|
|
saw_line = True
|
|
result = get_arg_to_check(line_info.args)
|
|
if result:
|
|
if warn and saw_line:
|
|
# We saw the option after already reading some test input lines.
|
|
# Warn about it.
|
|
print('WARNING: Found {} in line following test start: '.format(arg_string)
|
|
+ line, file=sys.stderr)
|
|
print('WARNING: Consider moving {} to top of file'.format(arg_string),
|
|
file=sys.stderr)
|
|
break
|
|
return result
|
|
|
|
def dump_input_lines(output_lines, test_info, prefix_set, comment_string):
|
|
for input_line_info in test_info.iterlines(output_lines):
|
|
line = input_line_info.line
|
|
args = input_line_info.args
|
|
if line.strip() == comment_string:
|
|
continue
|
|
if line.strip() == comment_string + SEPARATOR:
|
|
continue
|
|
if line.lstrip().startswith(comment_string):
|
|
m = CHECK_RE.match(line)
|
|
if m and m.group(1) in prefix_set:
|
|
continue
|
|
output_lines.append(line.rstrip('\n'))
|
|
|
|
def add_checks_at_end(output_lines, prefix_list, func_order,
|
|
comment_string, check_generator):
|
|
added = set()
|
|
for prefix in prefix_list:
|
|
prefixes = prefix[0]
|
|
tool_args = prefix[1]
|
|
for prefix in prefixes:
|
|
for func in func_order[prefix]:
|
|
if added:
|
|
output_lines.append(comment_string)
|
|
added.add(func)
|
|
|
|
# The add_*_checks routines expect a run list whose items are
|
|
# tuples that have a list of prefixes as their first element and
|
|
# tool command args string as their second element. They output
|
|
# checks for each prefix in the list of prefixes. By doing so, it
|
|
# implicitly assumes that for each function every run line will
|
|
# generate something for that function. That is not the case for
|
|
# generated functions as some run lines might not generate them
|
|
# (e.g. -fopenmp vs. no -fopenmp).
|
|
#
|
|
# Therefore, pass just the prefix we're interested in. This has
|
|
# the effect of generating all of the checks for functions of a
|
|
# single prefix before moving on to the next prefix. So checks
|
|
# are ordered by prefix instead of by function as in "normal"
|
|
# mode.
|
|
check_generator(output_lines,
|
|
[([prefix], tool_args)],
|
|
func)
|