+/* Mux support */
+ir_node *get_Mux_sel (ir_node *node) {
+ if (node->op == op_Psi) {
+ assert(get_irn_arity(node) == 3);
+ return get_Psi_cond(node, 0);
+ }
+ assert(node->op == op_Mux);
+ return node->in[1];
+}
+void set_Mux_sel (ir_node *node, ir_node *sel) {
+ if (node->op == op_Psi) {
+ assert(get_irn_arity(node) == 3);
+ set_Psi_cond(node, 0, sel);
+ }
+ else {
+ assert(node->op == op_Mux);
+ node->in[1] = sel;
+ }
+}
+
+ir_node *get_Mux_false (ir_node *node) {
+ if (node->op == op_Psi) {
+ assert(get_irn_arity(node) == 3);
+ return get_Psi_default(node);
+ }
+ assert(node->op == op_Mux);
+ return node->in[2];
+}
+void set_Mux_false (ir_node *node, ir_node *ir_false) {
+ if (node->op == op_Psi) {
+ assert(get_irn_arity(node) == 3);
+ set_Psi_default(node, ir_false);
+ }
+ else {
+ assert(node->op == op_Mux);
+ node->in[2] = ir_false;
+ }
+}
+
+ir_node *get_Mux_true (ir_node *node) {
+ if (node->op == op_Psi) {
+ assert(get_irn_arity(node) == 3);
+ return get_Psi_val(node, 0);
+ }
+ assert(node->op == op_Mux);
+ return node->in[3];
+}
+void set_Mux_true (ir_node *node, ir_node *ir_true) {
+ if (node->op == op_Psi) {
+ assert(get_irn_arity(node) == 3);
+ set_Psi_val(node, 0, ir_true);
+ }
+ else {
+ assert(node->op == op_Mux);
+ node->in[3] = ir_true;
+ }
+}
+
+/* Psi support */
+ir_node *get_Psi_cond (ir_node *node, int pos) {
+ int num_conds = get_Psi_n_conds(node);
+ assert(node->op == op_Psi);
+ assert(pos < num_conds);
+ return get_irn_n(node, 2 * pos);
+}
+
+void set_Psi_cond (ir_node *node, int pos, ir_node *cond) {
+ int num_conds = get_Psi_n_conds(node);
+ assert(node->op == op_Psi);
+ assert(pos < num_conds);
+ set_irn_n(node, 2 * pos, cond);
+}
+
+ir_node *get_Psi_val (ir_node *node, int pos) {
+ int num_vals = get_Psi_n_conds(node);
+ assert(node->op == op_Psi);
+ assert(pos < num_vals);
+ return get_irn_n(node, 2 * pos + 1);
+}
+
+void set_Psi_val (ir_node *node, int pos, ir_node *val) {
+ int num_vals = get_Psi_n_conds(node);
+ assert(node->op == op_Psi);
+ assert(pos < num_vals);
+ set_irn_n(node, 2 * pos + 1, val);
+}
+
+ir_node *get_Psi_default(ir_node *node) {
+ int def_pos = get_irn_arity(node) - 1;
+ assert(node->op == op_Psi);
+ return get_irn_n(node, def_pos);
+}
+
+void set_Psi_default(ir_node *node, ir_node *val) {
+ int def_pos = get_irn_arity(node);
+ assert(node->op == op_Psi);
+ set_irn_n(node, def_pos, val);
+}
+
+int (get_Psi_n_conds)(ir_node *node) {
+ return _get_Psi_n_conds(node);
+}
+
+/* CopyB support */
+ir_node *get_CopyB_mem (ir_node *node) {
+ assert (node->op == op_CopyB);
+ return get_irn_n(node, 0);
+}
+
+void set_CopyB_mem (ir_node *node, ir_node *mem) {
+ assert (node->op == op_CopyB);
+ set_irn_n(node, 0, mem);
+}
+
+ir_node *get_CopyB_dst (ir_node *node) {
+ assert (node->op == op_CopyB);
+ return get_irn_n(node, 1);
+}
+
+void set_CopyB_dst (ir_node *node, ir_node *dst) {
+ assert (node->op == op_CopyB);
+ set_irn_n(node, 1, dst);
+}
+
+ir_node *get_CopyB_src (ir_node *node) {
+ assert (node->op == op_CopyB);
+ return get_irn_n(node, 2);
+}
+
+void set_CopyB_src (ir_node *node, ir_node *src) {
+ assert (node->op == op_CopyB);
+ set_irn_n(node, 2, src);
+}
+
+ir_type *get_CopyB_type(ir_node *node) {
+ assert (node->op == op_CopyB);
+ return node->attr.copyb.data_type;
+}
+
+void set_CopyB_type(ir_node *node, ir_type *data_type) {
+ assert (node->op == op_CopyB && data_type);
+ node->attr.copyb.data_type = data_type;
+}
+
+
+ir_type *
+get_InstOf_type (ir_node *node) {
+ assert (node->op = op_InstOf);
+ return node->attr.instof.type;
+}
+
+void
+set_InstOf_type (ir_node *node, ir_type *type) {
+ assert (node->op = op_InstOf);
+ node->attr.instof.type = type;
+}
+
+ir_node *
+get_InstOf_store (ir_node *node) {
+ assert (node->op = op_InstOf);
+ return get_irn_n(node, 0);
+}
+
+void
+set_InstOf_store (ir_node *node, ir_node *obj) {
+ assert (node->op = op_InstOf);
+ set_irn_n(node, 0, obj);
+}
+
+ir_node *
+get_InstOf_obj (ir_node *node) {
+ assert (node->op = op_InstOf);
+ return get_irn_n(node, 1);
+}
+
+void
+set_InstOf_obj (ir_node *node, ir_node *obj) {
+ assert (node->op = op_InstOf);
+ set_irn_n(node, 1, obj);
+}
+
+/* Returns the memory input of a Raise operation. */
+ir_node *
+get_Raise_mem (ir_node *node) {
+ assert (node->op == op_Raise);
+ return get_irn_n(node, 0);
+}
+
+void
+set_Raise_mem (ir_node *node, ir_node *mem) {
+ assert (node->op == op_Raise);
+ set_irn_n(node, 0, mem);
+}