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[Bug tree-optimization/46172] [4.3/4.4/4.5/4.6 Regression] ICE: in expand_widen_pattern_expr, at optabs.c:522 with -ftree-vectorize -fno-tree-dce
- 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: Thu, 18 Nov 2010 15:17:52 +0000
- Subject: [Bug tree-optimization/46172] [4.3/4.4/4.5/4.6 Regression] ICE: in expand_widen_pattern_expr, at optabs.c:522 with -ftree-vectorize -fno-tree-dce
- Auto-submitted: auto-generated
- References: <bug-46172-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46172
--- Comment #9 from Richard Guenther <rguenth at gcc dot gnu.org> 2010-11-18 15:17:43 UTC ---
Author: rguenth
Date: Thu Nov 18 15:17:37 2010
New Revision: 166908
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166908
Log:
2010-11-18 Richard Guenther <rguenther@suse.de>
PR tree-optimization/46172
* tree-vect-loop-manip.c (remove_dead_stmts_from_loop): New
function.
(slpeel_tree_peel_loop_to_edge): Call it.
* gcc.dg/torture/pr46172.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr46172.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-loop-manip.c