[Mlir-commits] [mlir] [mlir][arith] fix wrong floordivsi fold (#83079) (PR #83248)

[Jakub Kuderski]

kuhar wrote:

@lipracer Another idea: we could perform the division on APInt with more bits than the bitwidth of the folded integer type. Maybe this way it'd be easier to detect overflow. And then once we are confident there's no overflow, truncate it back to the desired bitwidth.

https://github.com/llvm/llvm-project/pull/83248