PR tree-optimization/58697

	PR tree-optimization/58697
	* cfgloop.c (get_estimated_loop_iterations_int): Rename from
	estimated_loop_iterations_int.
	(max_stmt_executions_int): Call get_max_loop_iterations_int.
	(get_max_loop_iterations_int): New.  HWINT version of
	get_max_loop_iterations.
	* cfgloop.h: Add prototypes.
	* loop-iv.c (find_simple_exit): call get_estimated_loop_iterations_int.
	* loop-unroll.c (decide_peel_once_rolling): Call
	get_estimated_loop_iterations_int.
	* tree-ssa-loop-niter.c (estimated_loop_iterations_int): Add back.
	* tree-ssa-loop-niter.h: Tweak prototypes.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@203709 138bc75d-0d04-0410-961f-82ee72b054a4