[llvm-dev] NVPTX codegen for llvm.sin (and friends)

Johannes Doerfert via llvm-dev llvm-dev at lists.llvm.org
Wed Mar 10 11:41:11 PST 2021


Artem, Justin,

I am running into a problem and I'm curious if I'm missing something or 
if the support is simply missing.
Am I correct to assume the NVPTX backend does not deal with `llvm.sin` 
and friends?

This is what I see, with some variations: https://godbolt.org/z/PxsEWs

If this is missing in the backend, is there a plan to get this working, 
I'd really like to have the
intrinsics in the middle end rather than __nv_cos, not to mention that 
-ffast-math does emit intrinsics
and crashes.

~ Johannes


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