2019-10-02  Richard Biener  <rguenther@suse.de>

	* tree-vectorizer.h (vect_transform_reduction): Declare.
	* tree-vect-stmts.c (vect_transform_stmt): Use it.
	* tree-vect-loop.c (vectorizable_reduction): Split out reduction
	stmt transform to ...
	(vect_transform_reduction): ... this.

From-SVN: r276452