[all-commits] [llvm/llvm-project] ec938c: [X86][AVX] Add some masked variable shuffle tests

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: ec938c2a8303d61ebdeb8470c22b1197d262cc6c
      https://github.com/llvm/llvm-project/commit/ec938c2a8303d61ebdeb8470c22b1197d262cc6c
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-04-13 (Mon, 13 Apr 2020)

  Changed paths:
    M llvm/test/CodeGen/X86/vector-shuffle-combining-avx512bw.ll
    M llvm/test/CodeGen/X86/vector-shuffle-combining-avx512vbmi.ll

  Log Message:
  -----------
  [X86][AVX] Add some masked variable shuffle tests

Now that's D77928 landed we need to try harder to match shuffle and mask widths. This is a couple of tests showing where variable shuffle masks have been widened preventing them from folding with the mask.