llvm-project

796d2ec4 - [DAG] visitAND - attempt to fold (and buildvector(), buildvector()) -> buildvector() (#193987)

[DAG] visitAND - attempt to fold (and buildvector(), buildvector()) -> buildvector() (#193987) See if we can fold all elements of an AND of buildvectors: AND(-1,X) -> X, AND(0,X) -> 0, etc. Companion to ##183032