[PATCH] D135278: [VectorCombine] convert scalar fneg with insert/extract to vector fneg

[Sanjay Patel via Phabricator via llvm-commits]

spatel added a comment.

In D135278#3862060 <https://reviews.llvm.org/D135278#3862060>, @uabelho wrote:

> Hello,
>
> The following starts crashing with this patch:
>
>   opt -passes='vector-combine' bbi-74776.ll -S -o /dev/null
>
> F24949176: bbi-74776.ll <https://reviews.llvm.org/F24949176>

Thanks! Taking a look now - probably need to restrict the pattern match to true `fneg`.


Repository:
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  https://reviews.llvm.org/D135278/new/

https://reviews.llvm.org/D135278