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

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In D117983#3264453 <https://reviews.llvm.org/D117983#3264453>, @lebedev.ri wrote:

> I think you are missing
>
>   if (TLI.getBooleanContents(VT) == TargetLowering::UndefinedBooleanContent ||
>       TLI.getBooleanContents(VT) == TargetLowering::ZeroOrOneBooleanContent)
>     

Nice catch!


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D117983/new/

https://reviews.llvm.org/D117983