[Mlir-commits] [mlir] [Arith][Transforms] Adds Truncf f32 to f4e2m1 (PR #144157)

[Krzysztof Drewniak]

https://github.com/krzysz00 commented:

Seems overall reasonable for a first crack at this sort of fallback lowering.

I think once we have an extf fallback we might want an integration test for this - and can get scaling_truncf/scaling_extf in there too.

https://github.com/llvm/llvm-project/pull/144157