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2006-11-22 Daniel Berlin <dberlin@dberlin.org> * tree-ssa-structalias.c: Remove edge weights in favor of just processing them as complex constraints. (struct constraint_graph): Remove weighted succs and preds. Rename nonweighted succs and preds. (constraint_edge): Removed. (constraint_edge_t): Ditto. (constraint_edge_pool): Ditto. (new_constraint_edge): Ditto. (constraint_edge_equal): Ditto. (constraint_edge_less): Ditto. (constraint_edge_vec_find): Ditto. (erase_self_graph_edge): Ditto. (add_graph_edge): Removed. (get_graph_weights): Ditto. (allocate_graph_weights): Ditto. ( (valid_weighted_graph_edge): Ditto (bitmap_other_than_zero_bit_set): Ditto. (int_add_graph_edge): Renamed to add_graph_edge. (clear_edges_for_node): Remove support for weighted edges. (merge_graph_nodes): Ditto. (valid_graph_edge): Ditto. (build_constraint_graph): Ditto. (scc_visit): Ditto. (collapse_nodes): Ditto. (process_unification_queue): Ditto. (topo_visit): Ditto. (do_ds_constraint): Ditto. (perform_var_subsitution): Ditto. (solve_graph): Ditto. (init_alias_vars): Ditto. (delete_points_to_sets): Ditto. (do_complex_constraint): Support offsetted copies here. From-SVN: r119114
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