[PATCH] D17916: [X86][AVX512] Fixed VPERMT2* shuffle mask decoding and enabled target shuffle combining.

[Simon Pilgrim via llvm-commits]

RKSimon added a comment.

In http://reviews.llvm.org/D17916#368673, @RKSimon wrote:

> Yep - you're right, my early tests were firing that code path but it seems nothing else is now - I'll try to add some extra tests for that.


An alternative is that we disable the getTargetShuffleMaskIndices path and just get the constant pool path fixed for now - its proving very difficult to get it fire under circumstances that are testable right now.


Repository:
  rL LLVM

http://reviews.llvm.org/D17916