[DAGCombiner] Add hasOneUse checks for folding (not (add X, -1)) to (neg X)#126667

tclin914 merged 2 commits intollvm:mainllvm/llvm-project:mainfrom

tclin914:foldnottonegwithhasoneusechecktclin914/llvm-project:foldnottonegwithhasoneusecheckCopy head branch name to clipboard