llvm-project

af6261b5 - [DAG] visitINSERT_VECTOR_ELT - convert to or mask if all insertions are -1 (#138213)

[DAG] visitINSERT_VECTOR_ELT - convert to or mask if all insertions are -1 (#138213) We did this for 0 and and, but we can do this with or and -1. Co-authored-by: Simon Pilgrim <llvm-dev@redking.me.uk>