2017-10-25  Richard Biener  <rguenther@suse.de>

	* tree-ssa-sccvn.h (vn_eliminate): Declare.
	* tree-ssa-pre.c (class eliminate_dom_walker, eliminate,
	class pass_fre): Move to ...
	* tree-ssa-sccvn.c (class eliminate_dom_walker, vn_eliminate,
	class pass_fre): ... here and adjust for statistics.

From-SVN: r254074