[PATCH] D135447: [AMDGPU] Add llvm.is.fpclass intrinsic to existing SelectionDAG fp class support for AMDGPU

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

In D135447#3843046 <https://reviews.llvm.org/D135447#3843046>, @arsenm wrote:

> Can do it as a follow up commit, but the existing combines we have for AMDGPU::FP_CLASS should be ported to use the generic intrinsic. Also, llvm.amdgcn.class should get bitcode upgraded to the generic

I just realized the amdgpu intrinsic allows non-immediate arguments, but is_fpclass does not so these are not equivalent


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https://reviews.llvm.org/D135447