tree-scalar-evolution.c (scev_const_prop): Do not create labels.

	* tree-scalar-evolution.c (scev_const_prop): Do not create labels.
	* tree-ssa-sink.c (statement_sink_location): Return basic block and
	bsi of the location where statements should be inserted.
	(sink_code_in_bb): Take bsi from statement_sink_location.
	* lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
	instead of bsi_start.
	* tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
	bsi_insert_after.
	* tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
	(bsi_move_before): Document inconsistency with bsi_move_after.
	(tree_redirect_edge_and_branch): Do not create labels if not necessary.

From-SVN: r125181