[all-commits] [llvm/llvm-project] 70eac2: [VectorCombine] Add fp cast handling for shuffleto...

[David Green via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 70eac255b8c09244c7a9af7599fbe27d886010e9
      https://github.com/llvm/llvm-project/commit/70eac255b8c09244c7a9af7599fbe27d886010e9
  Author: David Green <david.green at arm.com>
  Date:   2024-12-20 (Fri, 20 Dec 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VectorCombine.cpp
    M llvm/test/Transforms/VectorCombine/AArch64/shuffletoidentity.ll

  Log Message:
  -----------
  [VectorCombine] Add fp cast handling for shuffletoidentity (#120641)

This fixes some regressions from recent changes to vector combine in
#120216. It allows shuffleToIdentity to look through fp casts as other
casts, and makes sure mismatching vector types in splats and casts do
not block the transform, as only the lanes should matter.



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