[Bug tree-optimization/71824] [6/7 Regression] ICE when compiling libiberty with Graphite loop optimizations
rguenth at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Wed Feb 1 08:03:00 GMT 2017
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71824
--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Wed Feb 1 08:02:50 2017
New Revision: 245081
URL: https://gcc.gnu.org/viewcvs?rev=245081&root=gcc&view=rev
Log:
2017-02-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/71824
* graphite-scop-detection.c (scop_detection::build_scop_breadth):
Verify the loops are valid in the merged SESE region.
(scop_detection::can_represent_loop_1): Check analyzing the
evolution of the number of iterations in the region succeeds.
* gcc.dg/graphite/pr71824.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/graphite/pr71824.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/graphite-scop-detection.c
trunk/gcc/testsuite/ChangeLog
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