122   if (integer_zerop (var))  in determine_value_range()
316       x_ok = (integer_zerop (varx)  in refine_bounds_using_guard()
318       y_ok = (integer_zerop (vary)  in refine_bounds_using_guard()
388   if (!integer_zerop (varx)  in bound_difference()
416   if (integer_zerop (varx) && integer_zerop (vary))  in bound_difference()
737   if (integer_zerop (mod) || POINTER_TYPE_P (type))  in number_of_iterations_lt_to_ne()
757 	  if (integer_zerop (assumption))  in number_of_iterations_lt_to_ne()
783 	  if (integer_zerop (assumption))  in number_of_iterations_lt_to_ne()
805   if (!integer_zerop (noloop))  in number_of_iterations_lt_to_ne()
877   if (integer_zerop (assumption))  in assert_no_overflow_lt()
1047   if ((integer_onep (iv0->step) && integer_zerop (iv1->step))  in number_of_iterations_lt()
1048       || (integer_all_onesp (iv1->step) && integer_zerop (iv0->step)))  in number_of_iterations_lt()
1157       if (integer_zerop (assumption))  in number_of_iterations_le()
1189   if (!integer_zerop (iv->step))  in dump_affine_iv()
1194   if (!integer_zerop (iv->step))  in dump_affine_iv()
1246       || (code == NE_EXPR && integer_zerop (iv0->step)))  in number_of_iterations_cond()
1268       if (!integer_zerop (iv0->step) && iv0->no_overflow)  in number_of_iterations_cond()
1270       else if (!integer_zerop (iv1->step) && iv1->no_overflow)  in number_of_iterations_cond()
1277   if (!integer_zerop (iv0->step) && !integer_zerop (iv1->step))  in number_of_iterations_cond()
1293   if (integer_zerop (iv0->step) && integer_zerop (iv1->step))  in number_of_iterations_cond()
1302       if (!integer_zerop (iv1->step) && !tree_int_cst_sign_bit (iv1->step))  in number_of_iterations_cond()
1307   if (integer_zerop (fold_build2 (code, boolean_type_node, iv0->base, iv1->base)))  in number_of_iterations_cond()
1342       gcc_assert (integer_zerop (iv1->step));  in number_of_iterations_cond()
1376 	  if (!integer_zerop (niter->may_be_zero))  in number_of_iterations_cond()
1596       if (integer_zerop (e) || integer_nonzerop (e))  in tree_simplify_using_condition_1()
1600       if (integer_zerop (e) || integer_nonzerop (e))  in tree_simplify_using_condition_1()
1610       if (integer_zerop (e))  in tree_simplify_using_condition_1()
1613       if (integer_zerop (e))  in tree_simplify_using_condition_1()
1623       if (integer_zerop (e))  in tree_simplify_using_condition_1()
1626       if (integer_zerop (e))  in tree_simplify_using_condition_1()
1640   if (e && integer_zerop (e))  in tree_simplify_using_condition_1()
1889   if (integer_zerop (niter->assumptions) || !single_exit (loop))  in number_of_iterations_exit()
1902       if (!integer_zerop (iv1.step)  in number_of_iterations_exit()
1903 	  ? (integer_zerop (iv0.step)  in number_of_iterations_exit()
1955       if (!integer_zerop (desc.may_be_zero))  in find_loop_niter()
2248       if (acnd && integer_zerop (acnd))  in loop_niter_by_eval()
2605   if (TREE_CODE (step) != INTEGER_CST || integer_zerop (step))  in record_nonwrapping_iv()
2729       || integer_zerop (step)  in idx_infer_loop_bounds()
3311   if (integer_zerop (step))  in scev_probably_wraps_p()