[all-commits] [llvm/llvm-project] af3295: [SLP]Enable splat ordering for loads

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: af3295bd3dccd91c102d6a9b0d30c30844967e02
      https://github.com/llvm/llvm-project/commit/af3295bd3dccd91c102d6a9b0d30c30844967e02
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2024-11-15 (Fri, 15 Nov 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/RISCV/loads-ordering.ll

  Log Message:
  -----------
  [SLP]Enable splat ordering for loads

Enables splat support for loads with lanes> 2 or number of operands> 2.

Allows better detect splats of loads and reduces number of shuffles in
some cases.

X86, AVX512, -O3+LTO

Metric: size..text
                                                                          results     results0    diff
               test-suite :: External/SPEC/CFP2006/433.milc/433.milc.test   154867.00   156723.00  1.2%
 test-suite :: External/SPEC/CFP2017rate/526.blender_r/526.blender_r.test 12467735.00 12468023.00  0.0%

Better vectorization quality

Reviewers: RKSimon

Reviewed By: RKSimon

Pull Request: https://github.com/llvm/llvm-project/pull/115173



To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications