[PATCH] D101297: [SLP]Allow masked gathers only if allowed by target.

Anton Afanasyev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Apr 27 07:31:38 PDT 2021


anton-afanasyev added a comment.

In D101297#2719689 <https://reviews.llvm.org/D101297#2719689>, @ABataev wrote:

>> Yes, I believe this will fix PR50015, though it doesn't fix the whole problem related to lowering.
>
> No, I don't think it will fix PR50015, it may hide it in some cases, yes. My main goal is to improve vectorization in general. Ok, I will rework it and land it in in a cost model for masked gathers.

Yes, I mean "hide" here. The cost there is almost zero, so cost tuning will lift it under threshold.


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