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Commit c4823b24 authored by Craig Topper's avatar Craig Topper
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[X86] Add custom lowering for llvm.roundeven with sse4.1. 

We can use the roundss/sd/ps/pd instructions like we do for
ceil/floor/trunc/rint/nearbyint.

Differential Revision: https://reviews.llvm.org/D84592
parent 3efc978b
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