[NVPTX] Convert vector function nvvm.annotations to attributes#127736

AlexMaclean merged 3 commits intollvm:mainllvm/llvm-project:mainfrom

AlexMaclean:dev/amaclean/upstream/nvptx-vect-attrsAlexMaclean/llvm-project:dev/amaclean/upstream/nvptx-vect-attrsCopy head branch name to clipboard