[all-commits] [llvm/llvm-project] b9cfa0: [SLP]Fix emission of the shrink shuffles.

[Andrew V. Tischenko via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b9cfa016daae725e4ed8173b431afb5e01cb80a6
      https://github.com/llvm/llvm-project/commit/b9cfa016daae725e4ed8173b431afb5e01cb80a6
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2021-10-18 (Mon, 18 Oct 2021)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/shrink_after_reorder2.ll

  Log Message:
  -----------
  [SLP]Fix emission of the shrink shuffles.

Need to follow the order of the reused scalars from the
ReuseShuffleIndices mask rather than rely on the natural order.

Differential Revision: https://reviews.llvm.org/D111898