2008-01-31 Rafael Espindola <espindola@google.com>
* tree-outof-ssa.c (insert_copy_on_edge): Port to tuples.
(eliminate_build): Likewise.
(eliminate_virtual_phis): Likewise.
(rewrite_trees): Likewise. Remove stmt_ann_t ann.
(stmt_list): Changed from tree to gimple_seq.
(identical_copies_p): Port to tuples.
(identical_stmt_lists_p): Likewise.
(init_analyze_edges_for_bb): Likewise.
(fini_analyze_edges_for_bb): Likewise.
(process_single_block_loop_latch): Likewise.
(analyze_edges_for_bb): LIkewise.
(remove_ssa_form): Likewise.
(insert_backedge_copies):
(rewrite_out_of_ssa):Likewise.
(pass_del_ssa): flip works_with_tuples_p.