[Bug middle-end/45705] [4.3/4.4/4.5/4.6 Regression] Useless store not optimized away

[rguenth at gcc dot gnu dot org]

------- Comment #4 from rguenth at gcc dot gnu dot org  2010-09-20 14:40 -------
Subject: Bug 45705

Author: rguenth
Date: Mon Sep 20 14:40:10 2010
New Revision: 164434

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164434
Log:
2010-09-20  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/45705
        * tree-ssa-dom.c (optimize_stmt): Perform redundant store elimination.

        * gcc.dg/tree-ssa/ssa-dom-dse-1.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-dom-dse-1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-dom.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45705