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[Bug tree-optimization/28839] [4.2 Regression] ICE in tree-vectorizer.c with -O2 -ftree-vectorize -funswitch-loops
- From: "rakdver at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 31 Aug 2006 19:34:06 -0000
- Subject: [Bug tree-optimization/28839] [4.2 Regression] ICE in tree-vectorizer.c with -O2 -ftree-vectorize -funswitch-loops
- References: <bug-28839-11811@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from rakdver at gcc dot gnu dot org 2006-08-31 19:34 -------
Subject: Bug 28839
Author: rakdver
Date: Thu Aug 31 19:33:56 2006
New Revision: 116605
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=116605
Log:
PR tree-optimization/28839
* tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
blocks in that phi arguments appear.
* gcc.dg/pr28839.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/pr28839.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-into-ssa.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28839