2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>

        * cfghooks.c (lv_flush_pending_stmts,
        cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
        lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
        * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
        lv_add_condition_to_bb,
        lv_adjust_loop_header_phi, extract_cond_bb_edges,
        flush_pending_stmts): New in cfg_hooks structure.
        (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
        extract_cond_bb_edges, lv_adjust_loop_header_phi,
        lv_add_condition_to_bb): New declarations.
        * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
        bool.
        (loop_version): Declare.
        * cfgloopmanip.c (cfghooks.h): Include.
        (duplicate_loop_to_header_edge): Change return type to bool.
        (loop_version, lv_adjust_loop_entry_edge): Move here.
        * cfgrtl.c (cfgloop.h): Include.
        (rtl_verify_flow_info_1): Fix.
        (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
        (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
        initialization.
        * tree-cfg.c (tree_lv_adjust_loop_header_phi,
        tree_lv_add_condition_to_bb): New.
        (tree_cfg_hooks): Add new hooks to initialization.
        * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
        lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.

From-SVN: r97481