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[Bug tree-optimization/35607] [4.4 Regression] IVOPTs produces invalid gimple
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Mar 2008 15:45:53 -0000
- Subject: [Bug tree-optimization/35607] [4.4 Regression] IVOPTs produces invalid gimple
- References: <bug-35607-10053@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla 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
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35607