[PATCH] D140580: [SLP]Do not emit many extractelements, reuse the single one emitted.

Tue Jan 3 05:27:45 PST 2023

ABataev added a comment.

In D140580#4022462 <https://reviews.llvm.org/D140580#4022462>, @uabelho wrote:

> We also see crashes with this. Reproduceable with
>
>   opt -passes="slp-vectorizer" -mtriple=aarch64--linux-gnu bbi-77341.ll -o /dev/null
>
> F26081559: bbi-77341.ll <https://reviews.llvm.org/F26081559>

How did you get this code? What toolchain did you use? Why those constant insructions were not folded away by Instcombiner?

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https://reviews.llvm.org/D140580