[all-commits] [llvm/llvm-project] 68fc0c: [GlobalISel] Add computeKnownBits for G_SHUFFLE_VE...

[David Green via All-commits]

  Branch: refs/heads/users/davemgreen/gh-gi-shufflenumsignbits
  Home:   https://github.com/llvm/llvm-project
  Commit: 68fc0c493331eaa56ebc862ef7dfb7106cabad82
      https://github.com/llvm/llvm-project/commit/68fc0c493331eaa56ebc862ef7dfb7106cabad82
  Author: David Green <david.green at arm.com>
  Date:   2025-05-12 (Mon, 12 May 2025)

  Changed paths:
    M llvm/lib/CodeGen/GlobalISel/GISelValueTracking.cpp
    M llvm/test/CodeGen/AArch64/aarch64-dup-ext.ll
    M llvm/test/CodeGen/AArch64/aarch64-matrix-umull-smull.ll

  Log Message:
  -----------
  [GlobalISel] Add computeKnownBits for G_SHUFFLE_VECTOR

The code is similar to computeKnownBits and the code in
SelectionDAG::ComputeNumSignBits



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