* basic-block.h (basic_block_def): Add phi_nodes and

	predictions.  Remove tree_annotations.
	* predict.c (tree_predicted_by_p, tree_predict_edge,
	combine_predictions_for_bb): Adjust references to predictions.
	* tree-cfg.c (init_empty_tree_cfg, create_bb): Don't call
	create_block_annotation.
	(create_block_annotation, free_blocks_annotatios,
	clear_blocks_annotations): Remove.
	(dump_cfg_stats): Don't print out the memory spent on
	bb_ann_d.
	(delete_tree_cfg_annotations): Don't call free_blocks_annotations.
	* tree-flow-inline.h (bb_ann): Remove.
	(phi_nodes, set_phi_nodes): Update references to phi_nodes.
	* tree-flow.h (bb_ann_d): Remove.
	* tree-if-conv.c (process_phi_nodes): Update a reference to
	phi_nodes.
	* tree-phinodes.c (reserve_phi_args_for_new_edge,
	create_phi_node, remove_phi_node): Likewise.
	* tree-pretty-print.c (dump_generic_bb_buff): Don't call bb_ann.
	* tree-ssa-dom.c (threaded_blocks): New.
	(tree_ssa_dominator_optimize): Initialize, clear, and free
	threaded_blocks. Update a call to thread_through_all_blocks.
	(thread_across_edge): Use threaded_blocks instead of setting
	incoming_edge_threaded.
	* tree-ssa-threadupdate.c (threaded_through_all_blocks): Take
	a bitmap of blocks that are threaded through.
	* tree.h: Move the prototype of threaded_through_blocks to
	tree-flow.h.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@100279 138bc75d-0d04-0410-961f-82ee72b054a4

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