-void fix_backedges(struct obstack *obst, ir_node *n) {
- int *arr = mere_get_backarray(n);
- ir_opcode opc;
-
- if (! arr)
- return;
-
- if (ARR_LEN(arr) != ARR_LEN(get_irn_in(n))-1) {
- arr = new_backedge_arr(obst, ARR_LEN(get_irn_in(n))-1);
-
- opc = get_irn_opcode(n);
- if (opc == iro_Phi)
- n->attr.phi_backedge = arr;
- else if (opc == iro_Block) {
- if (!get_interprocedural_view())
- n->attr.block.backedge = arr;
- else
- n->attr.block.cg_backedge = arr;
- }
- else if (opc == iro_Filter)
- n->attr.filter.backedge = arr;
- }
-
- assert(legal_backarray(n));
-
- /* @@@ more efficient in memory consumption, not possible with
- array implementation.
- if (ARR_LEN(arr) < ARR_LEN(get_irn_in(n))-1) {
- ARR_SETLEN(int, arr, ARR_LEN(get_irn_in(n))-1);
- }*/
-}