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[Bug tree-optimization/33563] [4.3 Regression] DSE removes non-dead store
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 26 Sep 2007 15:32:02 -0000
- Subject: [Bug tree-optimization/33563] [4.3 Regression] DSE removes non-dead store
- References: <bug-33563-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from rguenth at gcc dot gnu dot org 2007-09-26 15:32 -------
Subject: Bug 33563
Author: rguenth
Date: Wed Sep 26 15:31:50 2007
New Revision: 128815
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128815
Log:
2007-09-26 Richard Guenther <rguenther@suse.de>
PR tree-optimization/33563
* tree-ssa-dse.c (get_use_of_stmt_lhs): Rename to ...
(get_kill_of_stmt_lhs): ... this. Re-structure. Handle
aggregate stores.
(dse_optimize_stmt): Call get_kill_of_stmt_lhs instead of
get_use_of_stmt_lhs.
* gcc.dg/torture/pr33563.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr33563.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-dse.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33563