`oneToOneRewrite` segfaulted for zero result-ops because a null type was being passed to the op builders. Reviewed By: rriddle Differential Revision: https://reviews.llvm.org/D132702
`oneToOneRewrite` segfaulted for zero result-ops because a null type was being passed to the op builders. Reviewed By: rriddle Differential Revision: https://reviews.llvm.org/D132702