[all-commits] [llvm/llvm-project] 3b4d56: [AArch64] Limit vector splitting to vectors of siz...

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3b4d5638b37079646edd9efa9e9fd34ac3e7ba79
      https://github.com/llvm/llvm-project/commit/3b4d5638b37079646edd9efa9e9fd34ac3e7ba79
  Author: David Green <david.green at arm.com>
  Date:   2025-05-09 (Fri, 09 May 2025)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64TargetTransformInfo.cpp
    M llvm/test/Transforms/SLPVectorizer/AArch64/vectorizable-selects-uniform-cmps.ll
    M llvm/test/Transforms/VectorCombine/AArch64/shuffletoidentity.ll

  Log Message:
  -----------
  [AArch64] Limit vector splitting to vectors of size larger than 128bit

The intent of this code is to split larger vectors into smaller shuffles, but
it currently triggering on some small vector types. Limit it to vectors of size
>128bit.



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