[all-commits] [llvm/llvm-project] e37cdb: [X86][SSE] Add shufps+shufps test for fold through...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: e37cdbeeabfb17821b9ff5d2f42e9f440882dab8
      https://github.com/llvm/llvm-project/commit/e37cdbeeabfb17821b9ff5d2f42e9f440882dab8
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-01-24 (Fri, 24 Jan 2020)

  Changed paths:
    M llvm/test/CodeGen/X86/vector-shuffle-128-v4.ll

  Log Message:
  -----------
  [X86][SSE] Add shufps+shufps test for fold through commutation

As mentioned on D73023, lowerShuffleWithSHUFPS should be able to commute the shufps inputs to fold the second arg as it will then permute the shufps result anyway.