CopyB node constructors added

[libfirm] / ir / ir / irgopt.h

diff --git a/ir/ir/irgopt.h b/ir/ir/irgopt.h
index 5dab689..910cbc3 100644 (file)
--- a/ir/ir/irgopt.h
+++ b/ir/ir/irgopt.h
@@ -174,4 +174,19 @@ void place_code(ir_graph *irg);
  */
 void remove_critical_cf_edges(ir_graph *irg);
 
+/**
+ * Copies a node to the current_ir_graph. The Ins of the new node point to
+ * the predecessors on the graph of the old node.  For block/phi nodes not all
+ * predecessors might be copied.
+ * For Phi and Block nodes the function allocates in-arrays with an arity
+ * only for useful predecessors.  The arity is determined by counting
+ * the non-bad predecessors of the block.
+ * Does NOT copy Bad nodes, as these are "local" to the graph.
+ * Use get_irg_bad() instead.
+ *
+ * @param n             The node to be copied
+ * @param copy_node_nr  if non-NULL, the node number attribute will be copied to the new node
+ */
+ir_node *copy_irn(ir_node *n, int copy_node_nr);
+
 # endif /* _IRGOPT_H_ */