* tree-cfg.c (set_bb_for_stmt): Use PHI_BB.
	* tree-dfa.c (compute_immediate_uses, add_immediate_use,
	redirect_immediate_use): Use PHI_DF.
	* tree-flow-inline.h (stmt_ann): Abort on phi nodes.
	(bb_for_stmt): Use PHI_BB.
	(get_immediate_uses): Use PHI_DF.
	* tree-ssa-dse.c (max_stmt_uid): New variable.
	(get_stmt_uid): New function.
	(dse_optimize_stmt, dse_record_phis, tree_ssa_dse): Do not use phi
	node annotations.
	* tree-ssa-loop-im.c (LIM_DATA): Do not use phi statement annotations.
	(max_uid): Renamed to max_stmt_uid.
	(get_stmt_uid): New function.
	(maybe_queue_var, single_reachable_address, determine_lsm): Do not use
	phi node annotations.
	* tree-ssa.c (replace_immediate_uses): Do not use phi node annotations.
	* tree.h (PHI_BB, PHI_DF): New accessor functions.
	(struct tree_phi_node): Add bb and df fields.

From-SVN: r87369