def check_generator(my_output_lines, prefixes, func):
     if '-emit-llvm' in clang_args:
         common.add_ir_checks(my_output_lines, '//', prefixes,
                              func_dict, func, False,
                              ti.args.function_signature,
                              global_vars_seen_dict)
     else:
         asm.add_asm_checks(my_output_lines, '//', prefixes,
                            func_dict, func)
Exemple #2
0
 def check_generator(my_output_lines, prefixes, func):
     if '-emit-llvm' in clang_args:
         return common.add_ir_checks(
             my_output_lines,
             '//',
             prefixes,
             func_dict,
             func,
             False,
             ti.args.function_signature,
             global_vars_seen_dict,
             is_filtered=builder.is_filtered())
     else:
         return asm.add_checks(my_output_lines,
                               '//',
                               prefixes,
                               func_dict,
                               func,
                               global_vars_seen_dict,
                               is_filtered=builder.is_filtered())
Exemple #3
0
def main():
    args = config()
    script_name = os.path.basename(__file__)
    autogenerated_note = (ADVERT + 'utils/' + script_name)

    for filename in args.tests:
        with open(filename) 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,
                filename)
            continue

        if args.update_only:
            if not first_line or 'autogenerated' not in first_line:
                common.warn("Skipping test which isn't autogenerated: " +
                            filename)
                continue

        # Extract RUN lines.
        run_lines = common.find_run_lines(filename, input_lines)

        # Build a list of clang command lines and check prefixes from RUN lines.
        run_list = []
        line2spell_and_mangled_list = collections.defaultdict(list)
        for l in run_lines:
            commands = [cmd.strip() for cmd in l.split('|')]

            triple_in_cmd = None
            m = common.TRIPLE_ARG_RE.search(commands[0])
            if m:
                triple_in_cmd = m.groups()[0]

            # Apply %clang substitution rule, replace %s by `filename`, and append args.clang_args
            clang_args = shlex.split(commands[0])
            if clang_args[0] not in SUBST:
                print('WARNING: Skipping non-clang RUN line: ' + l,
                      file=sys.stderr)
                continue
            clang_args[0:1] = SUBST[clang_args[0]]
            clang_args = [filename if i == '%s' else i
                          for i in clang_args] + args.clang_args

            # Permit piping the output through opt
            if not (len(commands) == 2 or
                    (len(commands) == 3 and commands[1].startswith('opt'))):
                print('WARNING: Skipping non-clang RUN line: ' + l,
                      file=sys.stderr)

            # Extract -check-prefix in FileCheck args
            filecheck_cmd = commands[-1]
            common.verify_filecheck_prefixes(filecheck_cmd)
            if not filecheck_cmd.startswith('FileCheck '):
                print('WARNING: Skipping non-FileChecked RUN line: ' + l,
                      file=sys.stderr)
                continue
            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_list.append(
                (check_prefixes, clang_args, commands[1:-1], triple_in_cmd))

        # Strip CHECK lines which are in `prefix_set`, update test file.
        prefix_set = set([prefix for p in run_list for prefix in p[0]])
        input_lines = []
        with open(filename, 'r+') as f:
            for line in f:
                m = common.CHECK_RE.match(line)
                if not (m and m.group(1) in prefix_set) and line != '//\n':
                    input_lines.append(line)
            f.seek(0)
            f.writelines(input_lines)
            f.truncate()

        # Execute clang, generate LLVM IR, and extract functions.
        func_dict = {}
        for p in run_list:
            prefixes = p[0]
            for prefix in prefixes:
                func_dict.update({prefix: dict()})
        for prefixes, clang_args, extra_commands, triple_in_cmd in run_list:
            common.debug('Extracted clang cmd: clang {}'.format(clang_args))
            common.debug('Extracted FileCheck prefixes: {}'.format(prefixes))

            get_function_body(args, filename, clang_args, extra_commands,
                              prefixes, triple_in_cmd, func_dict)

            # Invoke clang -Xclang -ast-dump=json to get mapping from start lines to
            # mangled names. Forward all clang args for now.
            for k, v in get_line2spell_and_mangled(args, clang_args).items():
                line2spell_and_mangled_list[k].append(v)

        output_lines = [autogenerated_note]
        for idx, line in enumerate(input_lines):
            # Discard any previous script advertising.
            if line.startswith(ADVERT):
                continue
            if idx in line2spell_and_mangled_list:
                added = set()
                for spell, mangled in line2spell_and_mangled_list[idx]:
                    # One line may contain multiple function declarations.
                    # Skip if the mangled name has been added before.
                    # The line number may come from an included file,
                    # we simply require the spelling name to appear on the line
                    # to exclude functions from other files.
                    if mangled in added or spell not in line:
                        continue
                    if args.functions is None or any(
                            re.search(regex, spell)
                            for regex in args.functions):
                        if added:
                            output_lines.append('//')
                        added.add(mangled)
                        common.add_ir_checks(output_lines, '//', run_list,
                                             func_dict, mangled, False,
                                             args.function_signature)
            output_lines.append(line.rstrip('\n'))

        # Update the test file.
        with open(filename, 'w') as f:
            for line in output_lines:
                f.write(line + '\n')

    return 0
Exemple #4
0
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])
Exemple #5
0
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():
    args = config()
    autogenerated_note = (ADVERT + 'utils/' + os.path.basename(__file__))

    for filename in args.tests:
        with open(filename) as f:
            input_lines = [l.rstrip() for l in f]

        # Extract RUN lines.
        raw_lines = [
            m.group(1) for m in [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 {} RUN lines:'.format(len(run_lines)),
                  file=sys.stderr)
            for l in run_lines:
                print('  RUN: ' + l, file=sys.stderr)

        # Build a list of clang command lines and check prefixes from RUN lines.
        run_list = []
        line2spell_and_mangled_list = collections.defaultdict(list)
        for l in run_lines:
            commands = [cmd.strip() for cmd in l.split('|', 1)]

            triple_in_cmd = None
            m = common.TRIPLE_ARG_RE.search(commands[0])
            if m:
                triple_in_cmd = m.groups()[0]

            # Apply %clang substitution rule, replace %s by `filename`, and append args.clang_args
            clang_args = shlex.split(commands[0])
            if clang_args[0] not in SUBST:
                print('WARNING: Skipping non-clang RUN line: ' + l,
                      file=sys.stderr)
                continue
            clang_args[0:1] = SUBST[clang_args[0]]
            clang_args = [filename if i == '%s' else i
                          for i in clang_args] + args.clang_args

            # Extract -check-prefix in FileCheck args
            filecheck_cmd = commands[-1]
            if not filecheck_cmd.startswith('FileCheck '):
                print('WARNING: Skipping non-FileChecked RUN line: ' + l,
                      file=sys.stderr)
                continue
            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_list.append((check_prefixes, clang_args, triple_in_cmd))

        # Strip CHECK lines which are in `prefix_set`, update test file.
        prefix_set = set([prefix for p in run_list for prefix in p[0]])
        input_lines = []
        with open(filename, 'r+') as f:
            for line in f:
                m = CHECK_RE.match(line)
                if not (m and m.group(1) in prefix_set) and line != '//\n':
                    input_lines.append(line)
            f.seek(0)
            f.writelines(input_lines)
            f.truncate()

        # Execute clang, generate LLVM IR, and extract functions.
        func_dict = {}
        for p in run_list:
            prefixes = p[0]
            for prefix in prefixes:
                func_dict.update({prefix: dict()})
        for prefixes, clang_args, triple_in_cmd in run_list:
            if args.verbose:
                print('Extracted clang cmd: clang {}'.format(clang_args),
                      file=sys.stderr)
                print('Extracted FileCheck prefixes: {}'.format(prefixes),
                      file=sys.stderr)

            get_function_body(args, filename, clang_args, prefixes,
                              triple_in_cmd, func_dict)

            # Invoke c-index-test to get mapping from start lines to mangled names.
            # Forward all clang args for now.
            for k, v in get_line2spell_and_mangled(args, clang_args).items():
                line2spell_and_mangled_list[k].append(v)

        output_lines = [autogenerated_note]
        for idx, line in enumerate(input_lines):
            # Discard any previous script advertising.
            if line.startswith(ADVERT):
                continue
            if idx in line2spell_and_mangled_list:
                added = set()
                for spell, mangled in line2spell_and_mangled_list[idx]:
                    # One line may contain multiple function declarations.
                    # Skip if the mangled name has been added before.
                    # The line number may come from an included file,
                    # we simply require the spelling name to appear on the line
                    # to exclude functions from other files.
                    if mangled in added or spell not in line:
                        continue
                    if args.functions is None or any(
                            re.search(regex, spell)
                            for regex in args.functions):
                        if added:
                            output_lines.append('//')
                        added.add(mangled)
                        common.add_ir_checks(output_lines, '//', run_list,
                                             func_dict, mangled)
            output_lines.append(line.rstrip('\n'))

        # Update the test file.
        with open(filename, 'w') as f:
            for line in output_lines:
                f.write(line + '\n')

    return 0
Exemple #7
0
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])
Exemple #8
0
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('-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('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 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:
        if args.verbose:
            print('Scanning for RUN lines in test file: ' + 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('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:
            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_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])
        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_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

            # 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])
Exemple #9
0
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_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():
    initial_args, parser = config()
    script_name = os.path.basename(__file__)

    for ti in common.itertests(initial_args.tests,
                               parser,
                               'utils/' + script_name,
                               comment_prefix='//',
                               argparse_callback=infer_dependent_args):
        # Build a list of clang command lines and check prefixes from RUN lines.
        run_list = []
        line2spell_and_mangled_list = collections.defaultdict(list)

        subs = {
            '%s': ti.path,
            '%t': tempfile.NamedTemporaryFile().name,
            '%S': os.getcwd(),
        }

        for l in ti.run_lines:
            commands = [cmd.strip() for cmd in l.split('|')]

            triple_in_cmd = None
            m = common.TRIPLE_ARG_RE.search(commands[0])
            if m:
                triple_in_cmd = m.groups()[0]

            # Parse executable args.
            exec_args = shlex.split(commands[0])
            # Execute non-clang runline.
            if exec_args[0] not in SUBST:
                print('NOTE: Executing non-clang RUN line: ' + l,
                      file=sys.stderr)
                # Do lit-like substitutions.
                for s in subs:
                    exec_args = [
                        i.replace(s, subs[s]) if s in i else i
                        for i in exec_args
                    ]
                exec_run_line(exec_args)
                continue
            # This is a clang runline, apply %clang substitution rule, do lit-like substitutions,
            # and append args.clang_args
            clang_args = exec_args
            clang_args[0:1] = SUBST[clang_args[0]]
            for s in subs:
                clang_args = [
                    i.replace(s, subs[s]) if s in i else i for i in clang_args
                ]
            clang_args += ti.args.clang_args

            # Extract -check-prefix in FileCheck args
            filecheck_cmd = commands[-1]
            common.verify_filecheck_prefixes(filecheck_cmd)
            if not filecheck_cmd.startswith('FileCheck '):
                print('NOTE: Executing non-FileChecked clang RUN line: ' + l,
                      file=sys.stderr)
                # Execute non-filechecked clang runline.
                exe = [ti.args.clang] + clang_args
                exec_run_line(exe)
                continue

            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_list.append(
                (check_prefixes, clang_args, commands[1:-1], triple_in_cmd))

        # Execute clang, generate LLVM IR, and extract functions.

        builder = common.FunctionTestBuilder(run_list=run_list,
                                             flags=ti.args,
                                             scrubber_args=[])

        for prefixes, clang_args, extra_commands, triple_in_cmd in run_list:
            common.debug('Extracted clang cmd: clang {}'.format(clang_args))
            common.debug('Extracted FileCheck prefixes: {}'.format(prefixes))

            get_function_body(builder, ti.args, ti.path, clang_args,
                              extra_commands, prefixes)

            # Invoke clang -Xclang -ast-dump=json to get mapping from start lines to
            # mangled names. Forward all clang args for now.
            for k, v in get_line2spell_and_mangled(ti.args,
                                                   clang_args).items():
                line2spell_and_mangled_list[k].append(v)

        func_dict = builder.finish_and_get_func_dict()
        global_vars_seen_dict = {}
        prefix_set = set([prefix for p in run_list for prefix in p[0]])
        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.

            # It turns out that when clang generates functions (for example, with
            # -fopenmp), it can sometimes cause functions to be re-ordered in the
            # output, even functions that exist in the source file.  Therefore we
            # can't insert check lines before each source function and instead have to
            # put them at the end.  So the first thing to do is dump out the source
            # lines.
            common.dump_input_lines(output_lines, ti, prefix_set, '//')

            # Now generate all the checks.
            def check_generator(my_output_lines, prefixes, func):
                if '-emit-llvm' in clang_args:
                    common.add_ir_checks(my_output_lines, '//', prefixes,
                                         func_dict, func, False,
                                         ti.args.function_signature,
                                         global_vars_seen_dict)
                else:
                    asm.add_asm_checks(my_output_lines, '//', prefixes,
                                       func_dict, func)

            common.add_checks_at_end(
                output_lines, run_list, builder.func_order(), '//',
                lambda my_output_lines, prefixes, func: check_generator(
                    my_output_lines, prefixes, func))
        else:
            # Normal mode.  Put checks before each source function.
            for line_info in ti.iterlines(output_lines):
                idx = line_info.line_number
                line = line_info.line
                args = line_info.args
                include_line = True
                m = common.CHECK_RE.match(line)
                if m and m.group(1) in prefix_set:
                    continue  # Don't append the existing CHECK lines
                if idx in line2spell_and_mangled_list:
                    added = set()
                    for spell, mangled in line2spell_and_mangled_list[idx]:
                        # One line may contain multiple function declarations.
                        # Skip if the mangled name has been added before.
                        # The line number may come from an included file,
                        # we simply require the spelling name to appear on the line
                        # to exclude functions from other files.
                        if mangled in added or spell not in line:
                            continue
                        if args.functions is None or any(
                                re.search(regex, spell)
                                for regex in args.functions):
                            last_line = output_lines[-1].strip()
                            while last_line == '//':
                                # Remove the comment line since we will generate a new  comment
                                # line as part of common.add_ir_checks()
                                output_lines.pop()
                                last_line = output_lines[-1].strip()
                            if added:
                                output_lines.append('//')
                            added.add(mangled)
                            common.add_ir_checks(output_lines, '//', run_list,
                                                 func_dict, mangled, False,
                                                 args.function_signature,
                                                 global_vars_seen_dict)
                            if line.rstrip('\n') == '//':
                                include_line = False

                if include_line:
                    output_lines.append(line.rstrip('\n'))

        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])

    return 0
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('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:
    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

    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)])

      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("%cheri128_purecap_opt", "opt -mtriple=cheri-unknown-freebsd -target-abi purecap -relocation-model pic -mcpu=cheri128 -mattr=+cheri128")
        tool_cmd = tool_cmd.replace("%cheri256_purecap_opt", "opt -mtriple=cheri-unknown-freebsd -target-abi purecap -relocation-model pic -mcpu=cheri256 -mattr=+cheri256")
        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")

      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(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, 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

      # 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

    common.debug('Writing %d lines to %s...' % (len(output_lines), test))

    with open(test, 'wb') as f:
      sys.stderr.writelines(['{}\n'.format(l) for l in output_lines])
      f.writelines(['{}\n'.format(l).encode('utf-8') for l in output_lines])
Exemple #12
0
def main():
  args = config()
  autogenerated_note = (ADVERT + 'utils/' + os.path.basename(__file__))

  for filename in args.tests:
    with open(filename) as f:
      input_lines = [l.rstrip() for l in f]

    # Extract RUN lines.
    raw_lines = [m.group(1)
                 for m in [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 {} RUN lines:'.format(len(run_lines)), file=sys.stderr)
      for l in run_lines:
        print('  RUN: ' + l, file=sys.stderr)

    # Build a list of clang command lines and check prefixes from RUN lines.
    run_list = []
    line2spell_and_mangled_list = collections.defaultdict(list)
    for l in run_lines:
      commands = [cmd.strip() for cmd in l.split('|', 1)]

      triple_in_cmd = None
      m = common.TRIPLE_ARG_RE.search(commands[0])
      if m:
        triple_in_cmd = m.groups()[0]

      # Apply %clang substitution rule, replace %s by `filename`, and append args.clang_args
      clang_args = shlex.split(commands[0])
      if clang_args[0] not in SUBST:
        print('WARNING: Skipping non-clang RUN line: ' + l, file=sys.stderr)
        continue
      clang_args[0:1] = SUBST[clang_args[0]]
      clang_args = [filename if i == '%s' else i for i in clang_args] + args.clang_args

      # Extract -check-prefix in FileCheck args
      filecheck_cmd = commands[-1]
      if not filecheck_cmd.startswith('FileCheck '):
        print('WARNING: Skipping non-FileChecked RUN line: ' + l, file=sys.stderr)
        continue
      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_list.append((check_prefixes, clang_args, triple_in_cmd))

    # Strip CHECK lines which are in `prefix_set`, update test file.
    prefix_set = set([prefix for p in run_list for prefix in p[0]])
    input_lines = []
    with open(filename, 'r+') as f:
      for line in f:
        m = CHECK_RE.match(line)
        if not (m and m.group(1) in prefix_set) and line != '//\n':
          input_lines.append(line)
      f.seek(0)
      f.writelines(input_lines)
      f.truncate()

    # Execute clang, generate LLVM IR, and extract functions.
    func_dict = {}
    for p in run_list:
      prefixes = p[0]
      for prefix in prefixes:
        func_dict.update({prefix: dict()})
    for prefixes, clang_args, triple_in_cmd in run_list:
      if args.verbose:
        print('Extracted clang cmd: clang {}'.format(clang_args), file=sys.stderr)
        print('Extracted FileCheck prefixes: {}'.format(prefixes), file=sys.stderr)

      get_function_body(args, filename, clang_args, prefixes, triple_in_cmd, func_dict)

      # Invoke c-index-test to get mapping from start lines to mangled names.
      # Forward all clang args for now.
      for k, v in get_line2spell_and_mangled(args, clang_args).items():
        line2spell_and_mangled_list[k].append(v)

    output_lines = [autogenerated_note]
    for idx, line in enumerate(input_lines):
      # Discard any previous script advertising.
      if line.startswith(ADVERT):
        continue
      if idx in line2spell_and_mangled_list:
        added = set()
        for spell, mangled in line2spell_and_mangled_list[idx]:
          # One line may contain multiple function declarations.
          # Skip if the mangled name has been added before.
          # The line number may come from an included file,
          # we simply require the spelling name to appear on the line
          # to exclude functions from other files.
          if mangled in added or spell not in line:
            continue
          if args.functions is None or any(re.search(regex, spell) for regex in args.functions):
            if added:
              output_lines.append('//')
            added.add(mangled)
            common.add_ir_checks(output_lines, '//', run_list, func_dict, mangled)
      output_lines.append(line.rstrip('\n'))

    # Update the test file.
    with open(filename, 'w') as f:
      for line in output_lines:
        f.write(line + '\n')

  return 0
def main():
    initial_args, parser = config()
    script_name = os.path.basename(__file__)

    for ti in common.itertests(initial_args.tests,
                               parser,
                               'utils/' + script_name,
                               comment_prefix='//',
                               argparse_callback=infer_dependent_args):
        # Build a list of clang command lines and check prefixes from RUN lines.
        run_list = []
        line2spell_and_mangled_list = collections.defaultdict(list)
        for l in ti.run_lines:
            commands = [cmd.strip() for cmd in l.split('|')]

            triple_in_cmd = None
            m = common.TRIPLE_ARG_RE.search(commands[0])
            if m:
                triple_in_cmd = m.groups()[0]

            # Apply %clang substitution rule, replace %s by `filename`, and append args.clang_args
            clang_args = shlex.split(commands[0])
            if clang_args[0] not in SUBST:
                print('WARNING: Skipping non-clang RUN line: ' + l,
                      file=sys.stderr)
                continue
            clang_args[0:1] = SUBST[clang_args[0]]
            clang_args = [ti.path if i == '%s' else i
                          for i in clang_args] + ti.args.clang_args
            # Remove all -verify arguments since they could cause the IR generation to fail
            clang_args = [x for x in clang_args if not x.startswith("-verify")]

            if '-ast-dump' in clang_args:
                print('WARNING: Skipping -ast-dump RUN line: ' + l,
                      file=sys.stderr)
                continue
            if '-fsynatx-only' in clang_args:
                print('WARNING: Skipping -fsynatx-only RUN line: ' + l,
                      file=sys.stderr)
                continue

            # Permit piping the output through opt
            if not (len(commands) == 2 or
                    (len(commands) == 3 and commands[1].startswith('opt'))):
                print('WARNING: Skipping non-clang RUN line: ' + l,
                      file=sys.stderr)

            # Extract -check-prefix in FileCheck args
            filecheck_cmd = commands[-1]
            common.verify_filecheck_prefixes(filecheck_cmd)
            if not filecheck_cmd.startswith(
                    'FileCheck ') and not filecheck_cmd.startswith(
                        '%cheri_FileCheck '):
                print('WARNING: Skipping non-FileChecked RUN line: ' + l,
                      file=sys.stderr)
                continue
            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_list.append(
                (check_prefixes, clang_args, commands[1:-1], triple_in_cmd))

        # Execute clang, generate LLVM IR, and extract functions.
        func_dict = {}
        for p in run_list:
            prefixes = p[0]
            for prefix in prefixes:
                func_dict.update({prefix: dict()})
        for prefixes, clang_args, extra_commands, triple_in_cmd in run_list:
            common.debug('Extracted clang cmd: clang {}'.format(clang_args))
            common.debug('Extracted FileCheck prefixes: {}'.format(prefixes))
            get_function_body(ti.args, ti.path, clang_args, extra_commands,
                              prefixes, triple_in_cmd, func_dict)

            # Invoke clang -Xclang -ast-dump=json to get mapping from start lines to
            # mangled names. Forward all clang args for now.
            for k, v in get_line2spell_and_mangled(ti.args,
                                                   clang_args).items():
                line2spell_and_mangled_list[k].append(v)

        global_vars_seen_dict = {}
        prefix_set = set([prefix for p in run_list for prefix in p[0]])
        output_lines = []
        for line_info in ti.iterlines(output_lines):
            idx = line_info.line_number
            line = line_info.line
            args = line_info.args
            include_line = True
            m = common.CHECK_RE.match(line)
            if m and m.group(1) in prefix_set:
                continue  # Don't append the existing CHECK lines
            if idx in line2spell_and_mangled_list:
                added = set()
                for spell, mangled in line2spell_and_mangled_list[idx]:
                    # One line may contain multiple function declarations.
                    # Skip if the mangled name has been added before.
                    # The line number may come from an included file,
                    # we simply require the spelling name to appear on the line
                    # to exclude functions from other files.
                    if mangled in added or spell not in line:
                        continue
                    if args.functions is None or any(
                            re.search(regex, spell)
                            for regex in args.functions):
                        last_line = output_lines[-1].strip()
                        while last_line == '//':
                            # Remove the comment line since we will generate a new  comment
                            # line as part of common.add_ir_checks()
                            output_lines.pop()
                            last_line = output_lines[-1].strip()
                        if added:
                            output_lines.append('//')
                        added.add(mangled)
                        common.add_ir_checks(output_lines, '//', run_list,
                                             func_dict, mangled, False,
                                             args.function_signature,
                                             global_vars_seen_dict)
                        if line.rstrip('\n') == '//':
                            include_line = False

            if include_line:
                output_lines.append(line.rstrip('\n'))

        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])

    return 0