re PR tree-optimization/82563 ([graphite] ICE in check_loop_closed_ssa_def, at tree-ssa-loop-manip.c:709)

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.

From-SVN: r253809