tree-vect-data-refs.c (vect_find_stmt_data_reference): New function, combining stmt data ref gathering and fatal analysis parts.

2018-05-25  Richard Biener  <rguenther@suse.de>

	* tree-vect-data-refs.c (vect_find_stmt_data_reference): New
	function, combining stmt data ref gathering and fatal analysis
	parts.
	(vect_analyze_data_refs): Remove now redudnant code and simplify.
	* tree-vect-loop.c (vect_get_datarefs_in_loop): Factor out from
	vect_analyze_loop_2 and use vect_find_stmt_data_reference.
	* tree-vect-slp.c (vect_slp_bb): Use vect_find_stmt_data_reference.
	* tree-vectorizer.h (vect_find_stmt_data_reference): Declare.

From-SVN: r260754