2009-04-16  Richard Guenther  <rguenther@suse.de>

	* gimple.h (walk_stmt_load_store_addr_ops): Declare.
	(walk_stmt_load_store_ops): Likewise.
	* gimple.c (get_base_loadstore): New function.
	(walk_stmt_load_store_addr_ops): Likewise.
	(walk_stmt_load_store_ops): Likewise.
	* ipa-pure-const.c (check_op): Simplify.
	(check_load, check_store): New functions.
	(check_stmt): Use walk_stmt_load_store_ops.
	* ipa-reference.c (mark_load): Adjust signature.
	(mark_store): Likewise.
	(scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.

From-SVN: r146190