[Bug tree-optimization/38723] default definitions not in avail_out

[rguenth at gcc dot gnu dot org]

------- Comment #5 from rguenth at gcc dot gnu dot org  2009-03-28 17:18 -------
Subject: Bug 38723

Author: rguenth
Date: Sat Mar 28 17:17:57 2009
New Revision: 145197

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=145197
Log:
2009-03-28  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/38723
        * tree-ssa-pre.c (compute_avail): Add all default definitions to
        the entry block.

        * gcc.dg/tree-ssa/ssa-fre-22.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-22.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38723