[Mlir-commits] [mlir] [flang] Fix build issue in flang caused by adding new LLVM IR instructions in #137701 (PR #138198)

[Matt Arsenault]

arsenm wrote:

> > Probably should have tests showing this translates correctly?
> 
> Thanks @arsenm. I'm not familiar with where existing tests for other atomics are tested in this way. Can you point them out to me? Thanks.

I don't know how to mlir, but I would hope there is an existing test to adjust. the closest match grep finds is mlir/test/Target/LLVMIR/llvmir.mlir? seems to cover too much, but has most atomicrmw ops covered 

https://github.com/llvm/llvm-project/pull/138198