AlexVlx wrote:

> I made #113156 to hopefully address the OpenMP issue. We use it in the 
> runtime itself for a lot of stuff so removing it would definitely break that. 
> The function call here matches what NVIDIA provides via PTX. I think we 
> should have an optimization that replaces the intrinsic with a constant if 
> the function it belongs to has `wavefrontsize32` or whatever attributes.

We already do this during legalisation / legacy ISEL; there might be merit into 
doing it as early as possible though.

https://github.com/llvm/llvm-project/pull/112849
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