[Bug tree-optimization/35607] [4.4 Regression] IVOPTs produces invalid gimple

[rguenth at gcc dot gnu dot org]

------- Comment #6 from rguenth at gcc dot gnu dot org  2008-03-16 15:45 -------
Subject: Bug 35607

Author: rguenth
Date: Sun Mar 16 15:45:09 2008
New Revision: 133273

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=133273
Log:
2008-03-16  Richard Guenther  <rguenther@suse.de>

        PR middle-end/35607
        * tree-ssa-loop-niter.c (expand_simple_operations): Do not
        expand TREE_INVARIANT operations that are not gimple invariant.

        * gcc.c-torture/compile/pr35607.c: New testcase.
        * gcc.dg/tree-ssa/loop-19.c: Use -O2 to avoid vectorization.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr35607.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loop-19.c
    trunk/gcc/tree-ssa-loop-niter.c


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35607