* tree-flow.h: Remove all remaining prototypes, enums and structs that
	are not related to tree-cfg.c.
	* tree-ssa-address.h: New file.  Relocate prototypes.
	* tree-ssa-address.c: (struct mem_address): Relocate from tree-flow.h.
	(addr_for_mem_ref): New.  Combine call to get_address_description and
	return addr_for_mem_ref.
	* expr.c (expand_expr_real_1): Use new addr_for_mem_ref routine.
	* tree-ssa-live.h: Adjust prototypes.
	* passes.c: Include tree-ssa-live.h.
	* gimple-pretty-print.h (gimple_dump_bb): Add prototype.
	* graphite.c (graphite_transform_loops): Make static.
	(graphite_transforms, gate_graphite_transforms, pass_data_graphite,
	make_pass_graphite, pass_data_graphite_transforms, 
	make_pass_graphite_transforms): Relocate here from tree-ssa-loop.c.
	* ipa-pure-const.c (warn_function_noreturn): Make static.
	(execute_warn_function_noreturn, gate_warn_function_noreturn,
	class pass_warn_function_noreturn, make_pass_warn_function_noreturn):
	Relocate from tree-cfg.c
	* tree-cfg.c (tree_node_can_be_shared, gimple_empty_block_p): Make
	static.
	(execute_warn_function_noreturn, gate_warn_function_noreturn,
	class pass_warn_function_noreturn, make_pass_warn_function_noreturn):
	Move to ipa-pure-const.c.
	(execute_fixup_cfg, class pass_fixup_cfg, make_pass_fixup_cfg): Relocate
	from tree-optimize.c.
	* tree-optimize.c (execute_fixup_cfg, class pass_fixup_cfg,
	make_pass_fixup_cfg): Move to tree-cfg.c.
	* tree-chrec.h: (enum ev_direction): Relocate here from tree-flow.h.
	Relocate some prototypes.
	* tree-data-ref.h (tree_check_data_deps) Add prototype.
	* tree-dump.c (dump_function_to_file): Remove prototype.
	Add tree-flow.h to the include file.
	* tree-dump.h: Remove prototype.
	* tree-parloops.h: New File.  Add prototypes.
	* tree-parloops.c (gate_tree_parallelize_loops, tree_parallelize_loops,
	pass_data_parallelize_loops,  make_pass_parallelize_loops): Relocate
	from tree-ssa-loop.c.
	* tree-predcom.c (run_tree_predictive_commoning,
	gate_tree_predictive_commoning, pass_data_predcom, make_pass_predcom):
	Relocate here from tree-ssa-loop.c.
	* tree-ssa-dom.c (tree_ssa_dominator_optimize) Don't call 
	ssa_name_values.release ().
	* tree-ssa-threadedge.h: New File.  Relocate prototypes here.
	(ssa_name_values): Relocate from tree-flow.h.
	* tree-ssa.h: Include tree-ssa-threadedge.h and tree-ssa-address.h.
	* tree-ssa-loop.c (run_tree_predictive_commoning,
	gate_tree_predictive_commoning, pass_data_predcom, make_pass_predcom,
	graphite_transforms, gate_graphite_transforms, pass_data_graphite,
	make_pass_graphite, pass_data_graphite_transforms,
	make_pass_graphite_transforms, gate_tree_parallelize_loops,
	tree_parallelize_loops, pass_data_parallelize_loops,
	make_pass_parallelize_loops): Move to other files.
	* tree-vectorizer.h (lpeel_tree_duplicate_loop_to_edge_cfg): Prototype
	moved here.
	* tree.h: Remove prototypes from tree-address.c.

From-SVN: r203320