-/**
- * A walk over a graph is initiated
- */
-void stat_irg_walk(ir_graph *irg, void *pre, void *post);
-
-/**
- * A walk over the graph's blocks is initiated
- */
-void stat_irg_block_walk(ir_graph *irg, const ir_node *node, void *pre, void *post);
-
-/**
- * Some nodes were optimized into some others due to an optimization
- */
-void stat_merge_nodes(
- ir_node **new_node_array, int new_num_entries,
- ir_node **old_node_array, int old_num_entries,
- stat_opt_kind opt);
-
-/**
- * A node was lowered into other nodes
- */
-void stat_lower(ir_node *node);
-
-/**
- * A graph was inlined
- */
-void stat_inline(ir_node *call, ir_graph *irg);
-
-/**
- * A graph with tail-recursions was optimized.
- */
-void stat_tail_rec(ir_graph *irg);
-
-/**
- * Start the dead node elimination.
- */
-void stat_dead_node_elim_start(ir_graph *irg);