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[Bug middle-end/43464] copy prop breaks loop closed SSA form
- From: "spop at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Mar 2010 16:57:05 -0000
- Subject: [Bug middle-end/43464] copy prop breaks loop closed SSA form
- References: <bug-43464-7780@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #14 from spop at gcc dot gnu dot org 2010-03-30 16:57 -------
Subject: Bug 43464
Author: spop
Date: Tue Mar 30 16:56:49 2010
New Revision: 157828
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157828
Log:
Fix PR43464: copyprop should maintain loop close phi nodes with multiple
arguments.
2010-03-30 Richard Guenther <rguenther@suse.de>
Zdenek Dvorak <ook@ucw.cz>
Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/43464
* tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
with multiple arguments.
(execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
Modified:
branches/graphite/gcc/ChangeLog.graphite
branches/graphite/gcc/tree-ssa-copy.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43464