http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56756
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> 2013-04-16
15:41:05 UTC ---
Author: rguenth
Date: Tue Apr 16 15:32:26 2013
New Revision: 198001
URL: http://gcc.gnu.org/viewcvs?rev=198001&root=gcc&view=rev
Log:
2013-04-16 Richard Biener <rguent...@suse.de>
PR tree-optimization/56756
* tree-ssa-loop-im.c (struct first_mem_ref_loc_1): New functor.
(first_mem_ref_loc): New.
(execute_sm): Place the load temporarily before a previous
access instead of in the latch edge to ensure its SSA dependencies
are defined at points dominating the load.
* gcc.dg/torture/pr56756.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr56756.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-loop-im.c
