[llvm] [AMDGPU] Constant folding of llvm.amdgcn.trig.preop (PR #98562)

[Stanislav Mekhanoshin via llvm-commits]

rampitec wrote:

As a side note I'd like to see who and why calls any trig function on a constant argument exceeding 360 grads.

https://github.com/llvm/llvm-project/pull/98562