dist/gcc/vr-values.c

3756       tree vr_max = fold_convert (case_label_type, vr->max ());
3769 	  if (tree_int_cst_compare (CASE_LOW (max_label), vr_max) <= 0
3771 	      && tree_int_cst_compare (CASE_HIGH (max_label), vr_max) > 0)
3772 	    CASE_HIGH (max_label) = vr_max;
3784 		  && tree_int_cst_compare (CASE_HIGH (min_label), vr_max) > 0)
3786 		  = int_const_binop (PLUS_EXPR, vr_max, one_cst);
3792 		  && tree_int_cst_compare (CASE_HIGH (min_label), vr_max) == 0)
3808 	      if (tree_int_cst_compare (CASE_LOW (max_label), vr_max) <= 0
3810 		  && tree_int_cst_compare (CASE_HIGH (max_label), vr_max) > 0)
3812 		  = int_const_binop (PLUS_EXPR, vr_max, one_cst);