[PATCH] D73646: [X86] Fix the cost model for v16i16->v16i32 zero_extend/sign_extend with AVX2

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

I guess the cost should be 3 if we count the extract we need to split the 16i16 input. New patch coming in a moment.


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  https://reviews.llvm.org/D73646/new/

https://reviews.llvm.org/D73646