[Metadata] Preserve MD_prof when merging instructions when one is missing.#132433

snehasish merged 1 commit intomainllvm/llvm-project:mainfrom

users/snehasish/03-21-_metadata_preserve_md_prof_when_merging_instructions_when_one_is_missingllvm/llvm-project:users/snehasish/03-21-_metadata_preserve_md_prof_when_merging_instructions_when_one_is_missingCopy head branch name to clipboard