Reapply "[AMDGPU][GlobalISel] Fix load/store of pointer vectors, buffer.*.pN (#110714)"#111059

krzysz00 merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

krzysz00:fix-gisel-pointers-relandkrzysz00/llvm-project:fix-gisel-pointers-relandCopy head branch name to clipboard