[all-commits] [llvm/llvm-project] e0efed: [SLP][NFC]Fix non-determinism in reordering, NFC.

[Andrew V. Tischenko via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e0efedd2c33bf2bef232f255f1449a18d2b61d77
      https://github.com/llvm/llvm-project/commit/e0efedd2c33bf2bef232f255f1449a18d2b61d77
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2021-12-30 (Thu, 30 Dec 2021)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp

  Log Message:
  -----------
  [SLP][NFC]Fix non-determinism in reordering, NFC.

Need to clear CurrentOrder order mask if it is determined that
extractelements form identity order and need to use a vector-like
construct when iterating over ordered entries in the reorderTopToBottom
function.