Worked on the Xilinx/llvm-project repository to refactor and consolidate integer overflow option handling within the Flang compiler. The effort unified the experimental -flang-experimental-integer-overflow flag with the established -fno-wrapv option, streamlining configuration and ensuring consistent overflow semantics throughout the codebase. This change reduced complexity for both users and downstream tooling, making overflow behavior more predictable and maintainable. The work involved careful code refactoring and option parsing, leveraging expertise in C++, Fortran, and LLVM. The integration was completed and relanded as commit a88677edc0792534ba3157bf7d7a1b98e470f2fb, reflecting a focused approach to compiler development.