[Mlir-commits] [mlir] [MLIR][TableGen] Add inheritableExtraClassDeclaration/Definition for Op and AttrOrTypeDef (PR #182265)

[Henrich Lauko]

xlauko wrote:

> > Motivation: The existing extraClassDeclaration/extraClassDefinition fields follow standard TableGen override semantics: when a derived class sets them, the base class value is lost.
> 
> Isn't this showing a more fundamental issue with TableGen? Could we get a solution within the language? This seems like a recurring issue and manually patching every backend for every kind of field to handle seems a bit ad-hoc.

I agree I will give it deeper thought and open discussion once I have something. IT would be nice to be able to inherit also things like `argumets` and `results`.

https://github.com/llvm/llvm-project/pull/182265