* tree-vectorizer.h (vect_estimate_min_profitable_iters): Remove.
	* tree-vect-loop.c (vect_estimate_min_profitable_iters): Declare here.
	(vect_analyze_loop_operations): Use loop count estimate to rule out
	unprofitable vectorization.
	(vect_estimate_min_profitable_iters): Return ret_min_profitable_estimate.

From-SVN: r192116