llvm-project

5d03beef - [DAG] canCreateUndefOrPoison - out of range vector insert/extract element indices only generate poison (#196720)

[DAG] canCreateUndefOrPoison - out of range vector insert/extract element indices only generate poison (#196720) Matches ValueTracking / GISel implementations - although testing options are limited until DAG has actual uses of UndefPoisonKind::UndefOnly