[Scalar] Use SmallPtrSet directly instead of SmallSet (NFC)#154473

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

kazutakahirata:cleanup_20250819_deprecate_SmallSet_ptr_llvmkazutakahirata/llvm-project:cleanup_20250819_deprecate_SmallSet_ptr_llvmCopy head branch name to clipboard