* tree-vrp.c (cfg_loops): Removed.
	(adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
	Use current_loops instead of cfg_loops.  Pass flags to
	loop_optimizer_init.
	* cfgloopmanip.c (fix_loop_structure): Update only available
	information.
	* tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
	loop_optimizer_init.
	* modulo-sched.c (build_loops_structure): Removed.
	(sms_schedule): Use loop_optimizer_init.
	* loop-init.c (loop_optimizer_init): Use flags to determine
	which properties of loops to prepare.
	(rtl_loop_init): Pass flags to loop_optimizer_init.
	* tree-ssa-sink.c (execute_sink_code): Ditto.
	* tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
	* tree-ssa-pre.c (init_pre): Ditto.
	* cfgloop.h (LOOPS_NORMAL): New.
	(loop_optimizer_init): Declaration changed.

From-SVN: r110620