[IPO] Avoid repeated map lookups (NFC)#132144

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

kazutakahirata:cleanup_001_repeated_hash_lookups_llvm_IPOkazutakahirata/llvm-project:cleanup_001_repeated_hash_lookups_llvm_IPOCopy head branch name to clipboard