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[Bug tree-optimization/72772] Missed SCEV after pass reordering@236440
- 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, 11 Aug 2016 09:02:36 +0000
- Subject: [Bug tree-optimization/72772] Missed SCEV after pass reordering@236440
- Auto-submitted: auto-generated
- References: <bug-72772-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=72772
--- Comment #12 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Aug 11 09:02:04 2016
New Revision: 239357
URL: https://gcc.gnu.org/viewcvs?rev=239357&root=gcc&view=rev
Log:
2016-08-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/72772
* cfgloopmanip.c (create_preheader): Use split_edge if there
is a single loop entry, avoiding degenerate PHIs.
* gcc.dg/graphite/pr35356-1.c: Adjust.
* gcc.dg/tree-ssa/pr59597.c: Likewise.
Modified:
trunk/gcc/ChangeLog
trunk/gcc/cfgloopmanip.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/graphite/pr35356-1.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr59597.c