[all-commits] [llvm/llvm-project] 7439e1: [SLP]Fix incorrect reordering of clustered scalars.

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7439e1b2deba770860d0518956d6eb3e7315f63f
      https://github.com/llvm/llvm-project/commit/7439e1b2deba770860d0518956d6eb3e7315f63f
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2023-01-06 (Fri, 06 Jan 2023)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    A llvm/test/Transforms/SLPVectorizer/X86/reorder-clustered-node.ll

  Log Message:
  -----------
  [SLP]Fix incorrect reordering of clustered scalars.

The new mask represents the order, not the mask itself. At first, need
to treat as the order, convert to mask and only after that reorder
gathered scalars to build correct clustered order.

Differential Revision: https://reviews.llvm.org/D141161