*/
static void collect(ir_node *n, void *env) {
ir_node *pred;
+ (void) env;
if (is_Phi(n)) {
set_irn_link(n, get_irn_link(get_nodes_block(n)));
set_irn_link(new_block, phi);
set_irn_link(old_block, NULL);
while (phi) {
- if(get_nodes_block(phi) == old_block); /* @@@ inlinening chokes on phis that don't
- obey this condition. How do they get into
- the list??? Example: InterfaceIII */
set_nodes_block(phi, new_block);
phi = get_irn_link(phi);
}
set_optimize(rem_opt);
}
+
+/* kill a node by setting its predecessors to Bad and finally exchange the node by Bad itself. */
+void kill_node(ir_node *node) {
+ ir_graph *irg = get_irn_irg(node);
+ ir_node *bad = get_irg_bad(irg);
+ int i;
+
+ for (i = get_irn_arity(node) - 1; i >= -1; --i) {
+ set_irn_n(node, i, bad);
+ }
+ exchange(node, bad);
+}