2005-05-15 Daniel Berlin <dberlin@dberlin.org>
Fix PR tree-optimization/21576
* tree-ssa-pre.c (expression_node_pool): New pool.
(comparison_node_pool): Ditto.
(list_node_pool): Ditto.
(pool_copy_list): New function.
(phi_translate): Handle CALL_EXPR.
(valid_in_set): Ditto.
(create_expression_by_pieces): Ditto.
(insert_into_preds_of_block): Ditto.
(insert_aux): Ditto.
(compute_avail): Ditto.
(create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
(can_value_number_call): New function.
(find_leader): Update comment.
(init_pre): Create new pools.
(fini_pre): Free new pools.
(pass_pre): Add TODO_update_ssa for the future when we are going
to need vops.
* tree-vn.c (expressions_equal_p): Handle TREE_LIST.
(set_value_handle): Ditto.
(get_value_handle): Ditto.
From-SVN: r99759
