int is_ir_extbb(const void *thing);
/**
- * Compute the extended basic blocks for a graph
+ * Compute the extended basic blocks for a graph.
*/
void compute_extbb(ir_graph *irg);
/**
* Walks only over reachable Extended Basic Block nodes in the graph.
+ * Ensures, that the extended block containing the End node is visited last
+ * and the block containing Start visited first (in post order).
*
* @param irg - the irg graph
* @param pre - walker function, executed before the predecessor of a block are visited