[all-commits] [llvm/llvm-project] 9e2db5: [X86] combineConcatVectorOps - concat 4x128-bit sh...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 9e2db573528ea46d659c74f0a059fb73eeb2fb42
      https://github.com/llvm/llvm-project/commit/9e2db573528ea46d659c74f0a059fb73eeb2fb42
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2026-06-05 (Fri, 05 Jun 2026)

  Changed paths:
    M llvm/lib/Target/X86/X86ISelLowering.cpp
    M llvm/test/CodeGen/X86/vector-shuffle-512-v64.ll

  Log Message:
  -----------
  [X86] combineConcatVectorOps - concat 4x128-bit shuffles as 2x256-bit shuffles (#201831)

Fixes #199445



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