[Bug tree-optimization/33563] [4.3 Regression] DSE removes non-dead store

[rguenth 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  <[EMAIL PROTECTED]>

        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