85e4ee15d3
In SystemZTTIImpl::getMemoryOpCost, the call to getNumberOfParts will run type legalization, which can't handle structs. So before that, we check for an unknown value type and forward to BaseT, just like many other targets do in this situation. https://bugzilla.redhat.com/show_bug.cgi?id=2224885 Reviewed By: uweigand Differential Revision: https://reviews.llvm.org/D156379