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author	Richard Guenther <rguenther@suse.de>
	Wed, 19 Sep 2012 08:59:06 +0000 (08:59 +0000)
committer	Richard Biener <rguenth@gcc.gnu.org>
	Wed, 19 Sep 2012 08:59:06 +0000 (08:59 +0000)
commit	f20132e7aefa8b3615154925559dd19f204c8eca
tree	7f44b8ca0eade367dc7e06f3690a419c4745c5d5	tree \| snapshot
parent	f7d0c571f76a47e432cecdc04d2d89dc734cd36a	commit \| diff

re PR tree-optimization/54132 (Incorrect loop transformation with -ftree-loop-distribute-patterns)

2012-09-19 Richard Guenther <rguenther@suse.de>

PR tree-optimization/54132
* tree-loop-distribution.c (classify_partition): Properly
check dependences for memmove.
* tree-data-ref.h (compute_affine_dependence): Declare.
* tree-data-ref.c (compute_affine_dependence): Export.

* gcc.dg/tree-ssa/ldist-21.c: New testcase.
* gcc.dg/torture/pr54132.c: Likewise.

From-SVN: r191463

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/gcc.dg/torture/pr54132.c	[new file with mode: 0644]	blob
gcc/testsuite/gcc.dg/tree-ssa/ldist-21.c	[new file with mode: 0644]	blob
gcc/tree-data-ref.c		diff \| blob \| blame \| history
gcc/tree-data-ref.h		diff \| blob \| blame \| history
gcc/tree-loop-distribution.c		diff \| blob \| blame \| history

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