[PATCH] D117983: [DAG] Fold (X & Y) != 0 --> zextOrTrunc(X & Y) iff everything but LSB is known zero (PR51312)

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

I think you are missing

  if (TLI.getBooleanContents(VT) == TargetLowering::UndefinedBooleanContent ||
      TLI.getBooleanContents(VT) == TargetLowering::ZeroOrOneBooleanContent)
    


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  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D117983/new/

https://reviews.llvm.org/D117983