-/**
- * Computes all phi classes of an irg. All phi nodes of this irg must be
- * contained in @p all_phi_nodes. Otherwise the results may be wrong.
- * @param all_phi_nodes All phi nodes of an irg.
- * @return A set containing all phi classes as psets
- */
-pset *phi_class_compute_by_phis(pset *all_phi_nodes);
-
-