[all-commits] [llvm/llvm-project] e5b8c2: [DAG] Add ComputeNumSignBits(FREEZE(X)) handling (...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e5b8c24cc0d0d2ccf44e0c5e155fdfa4b2cf7720
      https://github.com/llvm/llvm-project/commit/e5b8c24cc0d0d2ccf44e0c5e155fdfa4b2cf7720
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2025-10-02 (Thu, 02 Oct 2025)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
    M llvm/test/CodeGen/AArch64/freeze.ll

  Log Message:
  -----------
  [DAG] Add ComputeNumSignBits(FREEZE(X)) handling (#161507)

If X is known never under/poison then skip the freeze and return ComputeNumSignBits(X)



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