[Offload][PGO] Fix PGO on NVPTX targets#143568

EthanLuisMcDonough wants to merge 3 commits intollvm:mainllvm/llvm-project:mainfrom

EthanLuisMcDonough:gpupgo-nvptx-prEthanLuisMcDonough/llvm-project:gpupgo-nvptx-prCopy head branch name to clipboard