setOperationAction(ISD::STACKSAVE, MVT::Other, Expand);
setOperationAction(ISD::STACKRESTORE, MVT::Other, Expand);
setOperationAction(ISD::DYNAMIC_STACKALLOC, MVT::i64, Expand);
+ setOperationAction(ISD::PREFETCH, MVT::Other, Expand);
// We want to legalize GlobalAddress and ConstantPool and
// ExternalSymbols nodes into the appropriate instructions to