This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug tree-optimization/33302] dead-store not eliminated
- 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: 6 Sep 2007 09:06:16 -0000
- Subject: [Bug tree-optimization/33302] dead-store not eliminated
- References: <bug-33302-8535@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from rguenth at gcc dot gnu dot org 2007-09-06 09:06 -------
Subject: Bug 33302
Author: rguenth
Date: Thu Sep 6 09:05:58 2007
New Revision: 128180
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128180
Log:
2007-09-06 Richard Guenther <rguenther@suse.de>
PR tree-optimization/33302
* tree-ssa-dse.c (tree_ssa_dse): Connect infinite loops
to the exit block before doing the post-dominator walk.
* domwalk.c (walk_dominator_tree): The exit block is
interesting even if it is not reachable.
* gcc.dg/tree-ssa/ssa-dse-11.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-11.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/domwalk.c
trunk/gcc/testsuite/ChangeLog
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33302