[all-commits] [llvm/llvm-project] f33752: [SLP] Compute a shuffle mask for SK_Broadcast shuf...

[Philip Reames via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f337525ee8b44da0f1e98eecd7f51bf5805c3760
      https://github.com/llvm/llvm-project/commit/f337525ee8b44da0f1e98eecd7f51bf5805c3760
  Author: Philip Reames <preames at rivosinc.com>
  Date:   2024-03-15 (Fri, 15 Mar 2024)

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

  Log Message:
  -----------
  [SLP] Compute a shuffle mask for SK_Broadcast shuffle (#85327)

This is the first of a couple of small patches to compute shuffle masks
for the couple of cases where we call getShuffleCost without one. My
goal is to add an invariant that all calls to getShuffleCost for fixed
length vectors have a mask.

---------

Co-authored-by: Alexey Bataev <a.bataev at gmx.com>



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