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Richard Biener 0eb078fe20 re PR middle-end/71762 (~X & Y to X < Y doesn't work for uninitialized values)
2016-11-23  Richard Biener  <rguenther@suse.de>

	PR middle-end/71762
	* match.pd ((~X & Y) -> X < Y, (X & ~Y) -> Y < X,
	(~X | Y) -> X <= Y, (X | ~Y) -> Y <= X): Remove.

	* gcc.dg/torture/pr71762-1.c: New testcase.
	* gcc.dg/torture/pr71762-2.c: Likewise.
	* gcc.dg/torture/pr71762-3.c: Likewise.
	* gcc.dg/tree-ssa/forwprop-28.c: XFAIL.

From-SVN: r242747
2016-11-23 11:33:03 +00:00
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gcc re PR middle-end/71762 (~X & Y to X < Y doesn't work for uninitialized values) 2016-11-23 11:33:03 +00:00
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