2017-09-22  Richard Biener  <rguenther@suse.de>

	* graphite-isl-ast-to-gimple.c (graphite_verify): Inline into
	single caller.
	(graphite_regenerate_ast_isl): Do not reset SCEV.  Move debug
	print of no dependency loops ...
	* graphite.c (graphite_transform_loops): ... here.
	(canonicalize_loop_closed_ssa_form): Work from inner to outer
	loops.
	(same_close_phi_node, remove_duplicate_close_phi,
	make_close_phi_nodes_unique, defined_in_loop_p): Fold into ...
	(canonicalize_loop_closed_ssa): ... here and simplify.
	* graphite-optimize-isl.c: Include tree-vectorizer.h.
	(optimize_isl): Use dump_printf_loc to tell when we stopped
	optimizing because of an ISL timeout.

	* gcc.dg/graphite/scop-24.c: New testcase.

From-SVN: r253094