[all-commits] [llvm/llvm-project] a65a5f: [SLP]Improve masked loads vectorization, attemptin...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: a65a5feb1a20581c85ee817dae8826f65fef62af
      https://github.com/llvm/llvm-project/commit/a65a5feb1a20581c85ee817dae8826f65fef62af
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2024-10-08 (Tue, 08 Oct 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/remarks-insert-into-small-vector.ll
    M llvm/test/Transforms/SLPVectorizer/RISCV/reversed-strided-node-with-external-ptr.ll
    M llvm/test/Transforms/SLPVectorizer/RISCV/scatter-vectorize-reversed.ll
    M llvm/test/Transforms/SLPVectorizer/X86/remark_gather-load-redux-cost.ll

  Log Message:
  -----------
  [SLP]Improve masked loads vectorization, attempting gathered loads

If the vector of loads can be vectorized as masked gather and there are
several other masked gather nodes, compiler can try to attempt to check,
if it possible to gather such nodes into big consecutive/strided loads
  node, which provide better performance.

Reviewers: RKSimon

Reviewed By: RKSimon

Pull Request: https://github.com/llvm/llvm-project/pull/110151



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