tree-vect-loop-manip.c (vect_do_peeling): Do not use scale_bbs_frequencies_int.

	* tree-vect-loop-manip.c (vect_do_peeling): Do not use
	scale_bbs_frequencies_int.

From-SVN: r254810

gcc/ChangeLog

 2017-11-14  Jan Hubicka  <hubicka@ucw.cz>
 
+	* tree-vect-loop-manip.c (vect_do_peeling): Do not use
+	scale_bbs_frequencies_int.
+
+2017-11-14  Jan Hubicka  <hubicka@ucw.cz>
+
 	* final.c (compute_alignments): Use counts rather than frequencies.
 
 2017-11-14  Jan Hubicka  <hubicka@ucw.cz>

gcc/tree-vect-loop-manip.c

@@ -1844,14 +1844,16 @@ vect_do_peeling (loop_vec_info loop_vinfo, tree niters, tree nitersm1,
 	  /* Simply propagate profile info from guard_bb to guard_to which is
 	     a merge point of control flow.  */
 	  guard_to->count = guard_bb->count;
+
 	  /* Scale probability of epilog loop back.
 	     FIXME: We should avoid scaling down and back up.  Profile may
 	     get lost if we scale down to 0.  */
-	  int scale_up = REG_BR_PROB_BASE * REG_BR_PROB_BASE
-			 / prob_vector.to_reg_br_prob_base ();
 	  basic_block *bbs = get_loop_body (epilog);
-	  scale_bbs_frequencies_int (bbs, epilog->num_nodes, scale_up,
-				     REG_BR_PROB_BASE);
+	  for (unsigned int i = 0; i < epilog->num_nodes; i++)
+	    bbs[i]->count = bbs[i]->count.apply_scale
+				 (bbs[i]->count,
+				  bbs[i]->count.apply_probability
+				    (prob_vector));
 	  free (bbs);
 	}