[NVPTX] lower VECREDUCE min/max to 3-input on sm_100+#136253

Prince781 merged 1 commit intollvm:mainllvm/llvm-project:mainfrom

Prince781:dev/pferro/nvptx-vector-reducePrince781/llvm-project:dev/pferro/nvptx-vector-reduceCopy head branch name to clipboard