[PATCH] D147668: [RFC][X86 isel] Remove lane requirement from lowerShuffleAsUNPCKAndPermute

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


================
Comment at: llvm/test/CodeGen/X86/vector-shuffle-128-v16.ll:313
+; SSE2-NEXT:    packuswb %xmm3, %xmm0
+; SSE2-NEXT:    retq
+;
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Please can you take a look at this regression


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D147668/new/

https://reviews.llvm.org/D147668