[all-commits] [llvm/llvm-project] fe64fb: [SLP][modularisation][NFC] Extract mask, shuffle a...

[Madhur Amilkanthwar via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: fe64fbbafc19e46ef461fac3ec0b4144a1ffc847
      https://github.com/llvm/llvm-project/commit/fe64fbbafc19e46ef461fac3ec0b4144a1ffc847
  Author: Madhur Amilkanthwar <madhura at nvidia.com>
  Date:   2026-07-17 (Fri, 17 Jul 2026)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/lib/Transforms/Vectorize/SLPVectorizer/SLPUtils.cpp
    M llvm/lib/Transforms/Vectorize/SLPVectorizer/SLPUtils.h

  Log Message:
  -----------
  [SLP][modularisation][NFC] Extract mask, shuffle and AA helpers into SLUtils 3/3 (#209973)

Move the mask/shuffle construction and alias-analysis free helpers out
of SLPVectorizer.cpp into SLPVectorizer/SLPUtils.{h,cpp} (namespace
llvm::slpvectorizer).

Moved:
  transformScalarShuffleIndiciesToVector
  getShufflevectorNumGroups
  calculateShufflevectorMask
  UseMask (enum)
  buildUseMask
  isUndefVector
  doesInTreeUserNeedToExtract
  getLocation
  isSimple
  addMask
  fixupOrderingIndices
  getAltInstrMask
  replicateMask

RFC: https://discourse.llvm.org/t/modularizing-slpvectorizer-cpp/90922



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