[PATCH] D79718: [x86][CGP] enable target hook to sink funnel shift intrinsic's splatted shift amount

[Sanjay Patel via Phabricator via llvm-commits]

spatel added a comment.

In D79718#2032125 <https://reviews.llvm.org/D79718#2032125>, @craig.topper wrote:

> Thanks for checking.
>
> LGTM


Just realized we're missing a more basic splat transform that we have in IR:
binop (splat X), (splat C) --> splat (binop X, C)
I thought I had tried that at 1 point in the backend too, but I'm not finding any history now. Will have to see if that breaks anything.


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https://reviews.llvm.org/D79718