[PATCH] D97767: [AMDGPU][GlobalISel] Add support for global atomicrmw fadd

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D97767#2610596 <https://reviews.llvm.org/D97767#2610596>, @foad wrote:

> Ping. Is it OK to rely on the atomic-expand pass having been run? That seems to be how SelectionDAG works.

Yes, although some additional verification wouldn't hurt in case something decides to do something based on the legality information


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