dschuff added a comment.

Oh, interesting I didn't notice that those are implementations of the 
target-specific intrinsics. I wonder if they do that so they can implement the 
intrinsics on hardware that doesn't support the corresponding instruction? In a 
situation other than that I think I'd be surprised if I used a builtin for a 
particular instruction and got something else.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D66983/new/

https://reviews.llvm.org/D66983



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