[all-commits] [llvm/llvm-project] 681c83: [SLP]Fix mask generation after cost estimation

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 681c83a2f99431d4bb9d4975a08771320e30a80b
      https://github.com/llvm/llvm-project/commit/681c83a2f99431d4bb9d4975a08771320e30a80b
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2025-01-10 (Fri, 10 Jan 2025)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/bv-shuffle-mask.ll

  Log Message:
  -----------
  [SLP]Fix mask generation after cost estimation

When estimating the cost of entries shuffles for buildvectors, need to
rebuild original mask, not a generated submask, used for subregisters
analysis.

Fixes #122430



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