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[Bug tree-optimization/52028] [4.7 Regression] wrong code with -O2 -ftree-loop-distribution
- From: "rguenth at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 30 Jan 2012 15:51:34 +0000
- Subject: [Bug tree-optimization/52028] [4.7 Regression] wrong code with -O2 -ftree-loop-distribution
- Auto-submitted: auto-generated
- References: <bug-52028-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52028
--- Comment #6 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-01-30 15:51:34 UTC ---
Author: rguenth
Date: Mon Jan 30 15:51:23 2012
New Revision: 183730
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=183730
Log:
2012-01-30 Richard Guenther <rguenther@suse.de>
PR tree-optimization/52028
* tree-loop-distribution.c (ldist_gen): Properly update
virtual SSA form.
* gcc.dg/torture/pr52028.c: New testcase.
* gfortran.dg/ldist-pr45199.f: Adjust.
* gcc.dg/tree-ssa/ldist-16.c: Likewise.
* gcc.dg/tree-ssa/ldist-17.c: Likewise.
* gcc.dg/tree-ssa/ldist-pr45948.c: Likewise.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr52028.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/tree-ssa/ldist-16.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ldist-17.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/ldist-pr45948.c
trunk/gcc/testsuite/gfortran.dg/ldist-pr45199.f
trunk/gcc/tree-loop-distribution.c