[Bug tree-optimization/41428] CCP doesn't fold all comparisons it could

[rguenth at gcc dot gnu dot org]

------- Comment #2 from rguenth at gcc dot gnu dot org  2009-09-22 08:35 -------
Subject: Bug 41428

Author: rguenth
Date: Tue Sep 22 08:34:52 2009
New Revision: 151969

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=151969
Log:
2009-09-22  Richard Guenther  <rguenther@suse.de>

        PR tree-optimization/41428
        * tree-ssa-ccp.c (ccp_fold_stmt): New function.
        (ccp_finalize): Pass it to substitute_and_fold.

        * g++.dg/tree-ssa/pr41428.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/tree-ssa/pr41428.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-ccp.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=41428