[PATCH] D31526: InstCombine: Use the InstSimplify hook for shufflevector

[Zvi Rackover via Phabricator via llvm-commits]

zvi added a comment.

In https://reviews.llvm.org/D31526#715030, @majnemer wrote:

> Could you please add a testcase?


InstCombine already has tests for the pattern removed:

  Undefined shuffle mask -> undefined value

They continue to cover this patten.

I guess you can consider this patch as NFC-ish?


Repository:
  rL LLVM

https://reviews.llvm.org/D31526