This allows to pipe sequences of `mlir-opt -split-input-file | mlir-opt -split-input-file`. Depends On D117750 Reviewed By: rriddle Differential Revision: https://reviews.llvm.org/D117756
This allows to pipe sequences of `mlir-opt -split-input-file | mlir-opt -split-input-file`. Depends On D117750 Reviewed By: rriddle Differential Revision: https://reviews.llvm.org/D117756