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From: "spop at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/47271] [4.6 Regression] if-conversion removes a test (if), the function generates invalid outputs Date: Tue, 25 Jan 2011 15:04:00 -0000 [thread overview] Message-ID: <bug-47271-4-FZ41yswKG3@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-47271-4@http.gcc.gnu.org/bugzilla/> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47271 --- Comment #16 from Sebastian Pop <spop at gcc dot gnu.org> 2011-01-25 14:51:28 UTC --- Author: spop Date: Tue Jan 25 14:51:23 2011 New Revision: 169233 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=169233 Log: Fix PR47271: only if-convert full writes. 2011-01-25 Sebastian Pop <sebastian.pop@amd.com> Jakub Jelinek <jakub@redhat.com> PR tree-optimization/47271 * tree-if-conv.c (bb_postdominates_preds): New. (if_convertible_bb_p): Call bb_postdominates_preds. (if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS. (predicate_scalar_phi): Call bb_postdominates_preds. * gcc.dg/tree-ssa/ifc-pr47271.c: New. Added: trunk/gcc/testsuite/gcc.dg/tree-ssa/ifc-pr47271.c Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-if-conv.c
next prev parent reply other threads:[~2011-01-25 14:52 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-01-12 19:04 [Bug c/47271] New: gcc-4.6 -O1 -ftree-vectorize " victor.stinner at haypocalc dot com 2011-01-12 19:42 ` [Bug c/47271] " victor.stinner at haypocalc dot com 2011-01-12 20:00 ` [Bug tree-optimization/47271] " hjl.tools at gmail dot com 2011-01-12 20:59 ` hjl.tools at gmail dot com 2011-01-12 21:35 ` [Bug tree-optimization/47271] [4.6 Regression] if-conversion " rguenth at gcc dot gnu.org 2011-01-12 23:48 ` spop at gcc dot gnu.org 2011-01-18 19:39 ` spop at gcc dot gnu.org 2011-01-18 21:33 ` spop at gcc dot gnu.org 2011-01-24 18:17 ` jakub at gcc dot gnu.org 2011-01-24 18:53 ` spop at gcc dot gnu.org 2011-01-24 19:25 ` spop at gcc dot gnu.org 2011-01-24 19:54 ` spop at gcc dot gnu.org 2011-01-24 19:57 ` jakub at gcc dot gnu.org 2011-01-24 20:21 ` spop at gcc dot gnu.org 2011-01-24 20:51 ` jakub at gcc dot gnu.org 2011-01-24 21:07 ` spop at gcc dot gnu.org 2011-01-24 21:09 ` jakub at gcc dot gnu.org 2011-01-25 15:04 ` spop at gcc dot gnu.org [this message] 2011-01-25 15:05 ` spop at gcc dot gnu.org 2011-02-02 17:49 ` dnovillo at gcc dot gnu.org
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