222   if (integer_zerop (varc1))  in refine_value_range_using_guard()
355   if (integer_zerop (var))  in determine_value_range()
656       x_ok = (integer_zerop (varx)  in refine_bounds_using_guard()
658       y_ok = (integer_zerop (vary)  in refine_bounds_using_guard()
728   if (!integer_zerop (varx)  in bound_difference()
756   if (integer_zerop (varx) && integer_zerop (vary))  in bound_difference()
1172   if (integer_zerop (mod) || POINTER_TYPE_P (type))  in number_of_iterations_lt_to_ne()
1192 	  if (integer_zerop (assumption))  in number_of_iterations_lt_to_ne()
1218 	  if (integer_zerop (assumption))  in number_of_iterations_lt_to_ne()
1240   if (!integer_zerop (noloop))  in number_of_iterations_lt_to_ne()
1312   if (integer_zerop (assumption))  in assert_no_overflow_lt()
1481   if ((integer_onep (iv0->step) && integer_zerop (iv1->step))  in number_of_iterations_lt()
1482       || (integer_all_onesp (iv1->step) && integer_zerop (iv0->step)))  in number_of_iterations_lt()
1595       if (integer_zerop (assumption))  in number_of_iterations_le()
1627   if (!integer_zerop (iv->step))  in dump_affine_iv()
1632   if (!integer_zerop (iv->step))  in dump_affine_iv()
1695       || (code == NE_EXPR && integer_zerop (iv0->step)))  in number_of_iterations_cond()
1717       if (!integer_zerop (iv0->step) && iv0->no_overflow)  in number_of_iterations_cond()
1719       else if (!integer_zerop (iv1->step) && iv1->no_overflow)  in number_of_iterations_cond()
1736   if (!integer_zerop (iv0->step) && !integer_zerop (iv1->step))  in number_of_iterations_cond()
1760   if (integer_zerop (iv0->step) && integer_zerop (iv1->step))  in number_of_iterations_cond()
1769       if (!integer_zerop (iv1->step) && !tree_int_cst_sign_bit (iv1->step))  in number_of_iterations_cond()
1775   if (tem && integer_zerop (tem))  in number_of_iterations_cond()
1810       gcc_assert (integer_zerop (iv1->step));  in number_of_iterations_cond()
1844 	  if (!integer_zerop (niter->may_be_zero))  in number_of_iterations_cond()
2092       if (integer_zerop (e) || integer_nonzerop (e))  in tree_simplify_using_condition_1()
2096       if (integer_zerop (e) || integer_nonzerop (e))  in tree_simplify_using_condition_1()
2106       if (integer_zerop (e))  in tree_simplify_using_condition_1()
2109       if (integer_zerop (e))  in tree_simplify_using_condition_1()
2119       if (integer_zerop (e))  in tree_simplify_using_condition_1()
2122       if (integer_zerop (e))  in tree_simplify_using_condition_1()
2134   if (e && integer_zerop (e))  in tree_simplify_using_condition_1()
2197 	  && (integer_zerop (expanded) || integer_nonzerop (expanded)))  in simplify_using_initial_conditions()
2401   if (!integer_zerop (niter->assumptions)  in number_of_iterations_exit_assumptions()
2430   return (!integer_zerop (niter->assumptions));  in number_of_iterations_exit_assumptions()
2486       if (!integer_zerop (desc.may_be_zero))  in find_loop_niter()
2763       if (acnd && integer_zerop (acnd))  in loop_niter_by_eval()
3201   if (TREE_CODE (step) != INTEGER_CST || integer_zerop (step))  in record_nonwrapping_iv()
3308       || integer_zerop (step)  in idx_infer_loop_bounds()
4421 	      if (integer_zerop (e))  in loop_exits_before_overflow()
4562   if (integer_zerop (step))  in scev_probably_wraps_p()