2015-10-05  Richard Biener  <rguenther@suse.de>

	* tree-ssa-pre.c (create_component_ref_by_pieces_1): Move
	call handling ...
	(create_expression_by_pieces): ... here and build GIMPLE
	calls directly.  Use gimple_build API and avoid force_gimple_operand.
	(insert_into_preds_of_block): Simplify.
	(do_regular_insertion): Add comment.

From-SVN: r228471