forked from OSchip/llvm-project
58 lines
1.7 KiB
Python
58 lines
1.7 KiB
Python
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import re
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from . import common
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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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# Support of isel debug checks
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# RegEx: this is where the magic happens.
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##### iSel parser
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# TODO: add function prefix
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ISEL_FUNCTION_DEFAULT_RE = re.compile(
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r'Selected[\s]*selection[\s]*DAG:[\s]*%bb.0[\s]*\'(?P<func>.*?):[^\']*\'*\n'
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r'(?P<body>.*?)\n'
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r'Total[\s]*amount[\s]*of[\s]*phi[\s]*nodes[\s]*to[\s]*update:[\s]*[0-9]+',
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flags=(re.M | re.S))
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def scrub_isel_default(isel, args):
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# Scrub runs of whitespace out of the iSel debug output, but leave the leading
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# whitespace in place.
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isel = common.SCRUB_WHITESPACE_RE.sub(r' ', isel)
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# Expand the tabs used for indentation.
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isel = string.expandtabs(isel, 2)
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# Strip trailing whitespace.
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isel = common.SCRUB_TRAILING_WHITESPACE_RE.sub(r'', isel)
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return isel
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def get_run_handler(triple):
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target_handlers = {
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}
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handler = None
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best_prefix = ''
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for prefix, s in target_handlers.items():
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if triple.startswith(prefix) and len(prefix) > len(best_prefix):
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handler = s
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best_prefix = prefix
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if handler is None:
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common.debug('Using default handler.')
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handler = (scrub_isel_default, ISEL_FUNCTION_DEFAULT_RE)
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return handler
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##### Generator of iSel CHECK lines
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def add_checks(output_lines, comment_marker, prefix_list, func_dict, func_name, is_filtered):
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# Label format is based on iSel string.
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check_label_format = '{} %s-LABEL: %s%s:'.format(comment_marker)
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global_vars_seen_dict = {}
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common.add_checks(output_lines, comment_marker, prefix_list, func_dict,
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func_name, check_label_format, True, False,
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global_vars_seen_dict, is_filtered = is_filtered)
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