[Mlir-commits] [mlir] [TOSA] Make validation pass isValidElementType check more strict (PR #119671)

[Georgios Pinitas]

https://github.com/GeorgeARM approved this pull request.

LGTM.
I recall that rescale could return `u8` back but this shall be fixed.

https://github.com/llvm/llvm-project/pull/119671