r178634 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Wed Sep  7 13:02:05 2011
New Revision: 178634

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=178634
Log:
2011-09-07  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
	Canonicalize negated predicates by swapping edges.
	(forward_propagate_into_cond): Likewise.

	* gcc.dg/tree-ssa/forwprop-16.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/forwprop-16.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-forwprop.c