[llvm] AMDGPU: Fix creating illegally typed readfirstlane in atomic optimizer (PR #128388)

Matt Arsenault via llvm-commits llvm-commits at lists.llvm.org
Mon Feb 24 03:39:50 PST 2025

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arsenm wrote:

> LGTM

Per the change description, i8 is not legal here. It is only handling legal types. This makes sense to me, although I could adjust the patch here to only use i16. However that's just adding extra steps for legalization 

https://github.com/llvm/llvm-project/pull/128388

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