https://github.com/gysit commented: Thanks! In addition to the import test, it could also make sense to add it to the roundtrip tests: https://github.com/llvm/llvm-project/blob/04ccbe6e70cf11e846da3fbc800832c6e56b573f/mlir/test/Dialect/LLVMIR/roundtrip.mlir#L634 https://github.com/llvm/llvm-project/pull/109260