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[Bug tree-optimization/79622] [6/7/8 Regression] Wrong code w/ -O2 -floop-nest-optimize
- 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: Mon, 18 Sep 2017 07:34:37 +0000
- Subject: [Bug tree-optimization/79622] [6/7/8 Regression] Wrong code w/ -O2 -floop-nest-optimize
- Auto-submitted: auto-generated
- References: <bug-79622-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79622
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Mon Sep 18 07:34:04 2017
New Revision: 252905
URL: https://gcc.gnu.org/viewcvs?rev=252905&root=gcc&view=rev
Log:
2017-09-18 Richard Biener <rguenther@suse.de>
PR tree-optimization/79622
* graphite-scop-detection.c (build_cross_bb_scalars_def): Properly
handle PHIs.
(build_cross_bb_scalars_use): Likewise.
* gcc.dg/graphite/pr79622.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/graphite/pr79622.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/graphite-scop-detection.c
trunk/gcc/testsuite/ChangeLog