[PATCH] D56796: [DAGCombiner][x86] add transform/hook to vectorize: cast(extract V, Y)

[Alex Bradbury via Phabricator via llvm-commits]

asb added a subscriber: rkruppe.
asb added a comment.

In D56796#1369071 <https://reviews.llvm.org/D56796#1369071>, @lebedev.ri wrote:

> Do any other backends want something like this?
>  @t.p.northover, @asb, @uweigand, others?


For RISC-V, there's no vector support upstream currently (the speci is still in flux). @rkruppe may be able to comment on whether it's likely this hook would be useful.


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https://reviews.llvm.org/D56796