During January 2025, H. Lee contributed to the espressif/llvm-project repository by improving code quality within the InlinerPass component. Lee focused on code refactoring in C++, specifically removing an unnecessary return statement from the runOnOperation method. This change preserved the original behavior while enhancing readability and maintainability, making future modifications to the LLVM pass safer and more efficient. By centralizing and documenting the update, Lee supported easier onboarding for new contributors and facilitated future enhancements. The work demonstrated careful application of compiler development practices and a disciplined approach to behavioral preservation, resulting in a cleaner and more maintainable codebase.