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r189461 - in /trunk/gcc: ChangeLog testsuite/Ch...


Author: rguenth
Date: Fri Jul 13 11:21:39 2012
New Revision: 189461

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=189461
Log:
2012-07-13  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53922
	* tree-vrp.c (value_inside_range): Change prototype to take
	min/max instead of value-range.
	(range_includes_zero_p): Likewise.  Return the result from
	value_inside_range.
	(extract_range_from_binary_expr_1): Adjust to handle dont-know
	return value from range_includes_zero_p.
	(extract_range_from_unary_expr_1): Likewise.
	(compare_range_with_value): Likewise.
	(vrp_meet_1): Likewise.

	* gcc.dg/torture/pr53922.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr53922.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c


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