llvm-project

12e366ae - [DAG] UDIV/SDIV exact nodes support DemandedElts + add test (#198715)

[DAG] UDIV/SDIV exact nodes support DemandedElts + add test (#198715) Resolves #183047 This patch updates isKnownNeverZero to handle DemandedElts for UDIV and SDIV exact nodes.