+
+void phase_reinit_irn_data(ir_phase *phase)
+{
+ int i, n;
+
+ if (! phase->data_init)
+ return;
+
+ for (i = 0, n = phase->n_data_ptr; i < n; ++i) {
+ if (phase->data_ptr[i])
+ phase->data_init(phase, get_idx_irn(phase->irg, i), phase->data_ptr[i]);
+ }
+}
+
+void phase_reinit_block_irn_data(ir_phase *phase, ir_node *block)
+{
+ int i, n;
+
+ if (! phase->data_init)
+ return;
+
+ for (i = 0, n = phase->n_data_ptr; i < n; ++i) {
+ if (phase->data_ptr[i]) {
+ ir_node *irn = get_idx_irn(phase->irg, i);
+ if (! is_Block(irn) && get_nodes_block(irn) == block)
+ phase->data_init(phase, irn, phase->data_ptr[i]);
+ }
+ }
+}
+
+ir_node *phase_get_first_node(const ir_phase *phase) {
+ unsigned i;
+
+ for (i = 0; i < phase->n_data_ptr; ++i)
+ if (phase->data_ptr[i])
+ return get_idx_irn(phase->irg, i);
+
+ return NULL;
+}
+
+ir_node *phase_get_next_node(const ir_phase *phase, ir_node *start) {
+ unsigned i;
+
+ for (i = get_irn_idx(start) + 1; i < phase->n_data_ptr; ++i)
+ if (phase->data_ptr[i])
+ return get_idx_irn(phase->irg, i);
+
+ return NULL;
+}