Record the loop level that defines a clast_name.

2011-07-21  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-clast-to-gimple.c (struct clast_name_index): Add level.
	(new_clast_name_index): Add level parameter.
	(clast_name_to_level): New.
	(save_clast_name_index): Add level parameter.
	(newivs_to_depth_to_newiv): Removed.
	(clast_name_to_gcc): Inlined newivs_to_depth_to_newiv.
	(graphite_create_new_loop): Add level parameter.  Pass level to
	save_clast_name_index.
	(translate_clast_for_loop): Pass level to graphite_create_new_loop.
	(create_params_index): Pass level to save_clast_name_index.

From-SVN: r176598