2013-09-13  Richard Biener  <rguenther@suse.de>

	* tree-data-ref.h (known_dependences_p): Move here ...
	* tree-loop-distribution.c (known_dependences_p): ... from here.
	(dump_rdg_component, debug_rdg_component): Remove.
	(dump_rdg): Adjust.
	(generate_loops_for_partition): Use gimple_uid instead of
	relying on matching stmt visit order.
	(rdg_build_partitions): Take starting stmt vector.
	(ldist_gen): Merge into ...
	(distribute_loop): ... this function.  Do not compute starting
	vertices vector.
	* tree-cfg.c (gimple_duplicate_bb): Copy UID for PHIs.

From-SVN: r202561