case ISD::DEBUGTRAP: return "debugtrap";
case ISD::LIFETIME_START: return "lifetime.start";
case ISD::LIFETIME_END: return "lifetime.end";
+ case ISD::GC_TRANSITION_START: return "gc_transition.start";
+ case ISD::GC_TRANSITION_END: return "gc_transition.end";
// Bit manipulation
case ISD::BSWAP: return "bswap";