[Mlir-commits] [mlir] [mlir][IR] Add `getPropertyAsAttr` and `setPropertyFromAttr` methods. (PR #150060)

[Fabian Mora]

fabianmcg wrote:

To not keep litigating semantics without progressing, how about if we agree on what they should be:

> Mutable non unique attributes of operations.

That would mean that in the future after implementing all the missing features:
- Props shouldn't be convertible to attrs.
- The only major difference between props and attrs are uniquenes, mutability and that props are not owned by a dialect. 

https://github.com/llvm/llvm-project/pull/150060