[Bug tree-optimization/82563] [8 Regression] [graphite] ICE in check_loop_closed_ssa_def, at tree-ssa-loop-manip.c:709

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82563

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Oct 17 13:17:30 2017
New Revision: 253809

URL: https://gcc.gnu.org/viewcvs?rev=253809&root=gcc&view=rev
Log:
2017-10-17  Richard Biener  <rguenther@suse.de>

        PR tree-optimization/82563
        * graphite-isl-ast-to-gimple.c (generate_entry_out_of_ssa_copies):
        New function.
        (graphite_regenerate_ast_isl): Call it.
        * graphite-scop-detection.c (build_scops): Remove entry edge split.

        * gcc.dg/graphite/pr82563.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/graphite/pr82563.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/graphite-isl-ast-to-gimple.c
    trunk/gcc/graphite-scop-detection.c
    trunk/gcc/testsuite/ChangeLog