[all-commits] [llvm/llvm-project] 2ac85d: [VectorCombine] foldBitcastShuf - add support for ...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2ac85d8d200a9e1e0ced501c2d2f04404c400bd9
      https://github.com/llvm/llvm-project/commit/2ac85d8d200a9e1e0ced501c2d2f04404c400bd9
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-03-20 (Wed, 20 Mar 2024)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/VectorCombine.cpp
    M llvm/test/Transforms/PhaseOrdering/X86/pr67803.ll

  Log Message:
  -----------
  [VectorCombine] foldBitcastShuf - add support for binary shuffles

Generalise fold to "bitcast (shuf V0, V1, MaskC) --> shuf (bitcast V0), (bitcast V1), MaskC'".

Further prep work for #67803



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