[PATCH] D56421: [X86] Call SimplifyDemandedBits on conditions of X86ISD::SHRUNKBLEND
Craig Topper via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Jan 8 10:14:02 PST 2019
craig.topper added a comment.
In D56421#1349790 <https://reviews.llvm.org/D56421#1349790>, @RKSimon wrote:
> Also, should we remove the similar SimplifyDemandedBits call in combineVSelectToShrunkBlend?
The one that decides when to turn VSELECT into SHRUNKBLEND? I don't think we can remove that. We might be able to merge this with it and turn SHRUNKBLEND into SHRUNKBLEND again if another simplification is made. That would probably help with cases where the condition is used multiple times.
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https://reviews.llvm.org/D56421/new/
https://reviews.llvm.org/D56421
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