[all-commits] [llvm/llvm-project] e54f68: [X86] Add shuffle tests for #104482

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e54f683fc5a896cdc167596c98d01db8763220b9
      https://github.com/llvm/llvm-project/commit/e54f683fc5a896cdc167596c98d01db8763220b9
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-08-16 (Fri, 16 Aug 2024)

  Changed paths:
    M llvm/test/CodeGen/X86/vector-shuffle-128-v16.ll

  Log Message:
  -----------
  [X86] Add shuffle tests for #104482


  Commit: 39a0dedcbf69adaf9d4ffeebd9172844b38974c7
      https://github.com/llvm/llvm-project/commit/39a0dedcbf69adaf9d4ffeebd9172844b38974c7
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2024-08-16 (Fri, 16 Aug 2024)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-shuffle-128-v16.ll

  Log Message:
  -----------
  [X86] lowerShuffleAsDecomposedShuffleMerge - don't lower to unpack+permute if either source is zero.

Fixes #104482


Compare: https://github.com/llvm/llvm-project/compare/dc3b029dc744...39a0dedcbf69

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