Worked on the llvm/clangir repository to standardize fill operations throughout the LLVM codebase by introducing llvm::fill as a replacement for std::fill. This effort involved updating documentation, header files, and source files related to code generation and execution, ensuring a consistent fill primitive across components. The change was implemented in C++ and leveraged LLVM-specific conventions, laying the groundwork for future optimizations tailored to LLVM’s needs. By unifying fill usage, the work improved maintainability and reduced the risk of inconsistencies or bugs, making future enhancements and code analysis more straightforward for developers working within the LLVM ecosystem.