[all-commits] [llvm/llvm-project] d9d28b: [X86][AVX] getFauxShuffleMask - fix sub vector siz...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: d9d28b35599cfe39331ae37b74a21ccfb5f78af0
      https://github.com/llvm/llvm-project/commit/d9d28b35599cfe39331ae37b74a21ccfb5f78af0
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-06-03 (Wed, 03 Jun 2020)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-shuffle-combining-avx512bwvl.ll

  Log Message:
  -----------
  [X86][AVX] getFauxShuffleMask - fix sub vector size check in INSERT_SUBVECTOR(X,SHUFFLE(Y,Z))

We were bailing on subvector shuffle inputs that were smaller than the subvector type instead of larger than it.

Fixes PR46178