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

[Sanjay Patel via Phabricator via llvm-commits]

spatel abandoned this revision.
spatel added a comment.

In D56796#1369497 <https://reviews.llvm.org/D56796#1369497>, @uweigand wrote:

> Thanks for the heads-up!  This may indeed be interesting for SystemZ, but I think it's still probably preferable to do it in the back-end like your alternative approach does, that will allow us to handle some special instruction selection issues we'll likely run into ...


Yes, I think we'll proceed with a target-specific approach for x86; it also has some custom opcode requirements.
Abandoning.


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