-FIRM_API int get_irn_arity (const ir_node *node);
-
-/** Replaces the old in array by a new one that will contain the ins given in
- the parameters. Conserves the block predecessor. It copies the array passed.
- This function is necessary to adjust in arrays of blocks, calls and phis.
- Assumes that current_ir_graph is set to the graph containing "node".
- "in" must contain all predecessors except the block that are required for
- the nodes opcode. */
-FIRM_API void set_irn_in(ir_node *node, int arity, ir_node *in[]);
-
-/* to iterate through the predecessors without touching the array. No
- order of predecessors guaranteed.
- To iterate over the operands iterate from 0 to i < get_irn_arity(),
- to iterate including the Block predecessor iterate from i = -1 to
- i < get_irn_arity. */
-/* Access predecessor n */