[VPlan] Allow folding not (cmp eq) -> icmp ne with other select users#154497

lukel97 merged 8 commits intollvm:mainllvm/llvm-project:mainfrom

lukel97:loop-vectorize/not-into-cmp-all-foldlukel97/llvm-project:loop-vectorize/not-into-cmp-all-foldCopy head branch name to clipboard