[Mlir-commits] [mlir] Add arith expansion of f8E8M0 type for extf/trunc ops (PR #140332)

[Krzysztof Drewniak]

https://github.com/krzysz00 approved this pull request.

Minor nitpick, otherwise seems fine to land for now (and we'll want to reopen the IREE PR that corresponds to the abs() method for quantizing to a scale).

Having `grep`'d for patterns involving `TruncFOp`, I couldn't find any canonicalizations or foldings that'd get messed up by this change

https://github.com/llvm/llvm-project/pull/140332