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[Bug tree-optimization/81529] [8 Regression] ICE in vectorizable_induction, at tree-vect-loop.c:6613
- 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: Tue, 25 Jul 2017 13:23:03 +0000
- Subject: [Bug tree-optimization/81529] [8 Regression] ICE in vectorizable_induction, at tree-vect-loop.c:6613
- Auto-submitted: auto-generated
- References: <bug-81529-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81529
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jul 25 13:22:31 2017
New Revision: 250517
URL: https://gcc.gnu.org/viewcvs?rev=250517&root=gcc&view=rev
Log:
2017-07-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/81529
* tree-vect-stmts.c (process_use): Disregard live induction PHIs
when optimizing backedge uses.
* gfortran.dg/pr81529.f90: New testcase.
Added:
trunk/gcc/testsuite/gfortran.dg/pr81529.f90
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vect-stmts.c