[all-commits] [llvm/llvm-project] 0940f9: [SLP]Add support for strided loads.

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0940f9083e68bda78bcbb323c2968a4294092e21
      https://github.com/llvm/llvm-project/commit/0940f9083e68bda78bcbb323c2968a4294092e21
  Author: Alexey Bataev <5361294+alexey-bataev at users.noreply.github.com>
  Date:   2024-02-12 (Mon, 12 Feb 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/RISCV/complex-loads.ll
    M llvm/test/Transforms/SLPVectorizer/RISCV/strided-loads-vectorized.ll
    M llvm/test/Transforms/SLPVectorizer/RISCV/strided-loads-with-external-use-ptr.ll
    M llvm/test/Transforms/SLPVectorizer/RISCV/strided-loads.ll
    M llvm/test/Transforms/SLPVectorizer/X86/gep-nodes-with-non-gep-inst.ll
    M llvm/test/Transforms/SLPVectorizer/X86/remark_gather-load-redux-cost.ll

  Log Message:
  -----------
  [SLP]Add support for strided loads.

Added basic support for strided loads support in SLP vectorizer.
Supports constant strides only. If the strided load must be
reversed, applies -stride to avoid extra reverse shuffle.

Reviewers: preames, lukel97

Reviewed By: preames

Pull Request: https://github.com/llvm/llvm-project/pull/80310