case ISD::DELETED_NODE: return "<<Deleted Node!>>";
#endif
case ISD::PREFETCH: return "Prefetch";
- case ISD::MEMBARRIER: return "MemBarrier";
case ISD::ATOMIC_FENCE: return "AtomicFence";
case ISD::ATOMIC_CMP_SWAP: return "AtomicCmpSwap";
case ISD::ATOMIC_SWAP: return "AtomicSwap";