if (is_Global(n)) {
/* global references are never NULL */
return 1;
} else if (n == get_irg_frame(current_ir_graph)) {
/* local references are never NULL */
return 1;
if (is_Global(n)) {
/* global references are never NULL */
return 1;
} else if (n == get_irg_frame(current_ir_graph)) {
/* local references are never NULL */
return 1;