[all-commits] [llvm/llvm-project] 36bb17: [AArch64] Utilize `XAR` for certain vector rotates...

[Rajveer Singh Bharadwaj via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 36bb17aa6544c1f62309a6162555262f282e1d13
      https://github.com/llvm/llvm-project/commit/36bb17aa6544c1f62309a6162555262f282e1d13
  Author: Rajveer Singh Bharadwaj <rajveer.developer at icloud.com>
  Date:   2025-05-09 (Fri, 09 May 2025)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
    M llvm/test/CodeGen/AArch64/sve2-xar.ll
    M llvm/test/CodeGen/AArch64/xar.ll

  Log Message:
  -----------
  [AArch64] Utilize `XAR` for certain vector rotates (#137629)

Resolves #137162

For cases when there isn't any `XOR` in the transformation, replace with
a zero register.



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