Developed and integrated a CellIFT instrumentation pass for the llvm/circt repository, focusing on enhancing dynamic information flow tracking within hardware designs. This work enabled precise taint propagation at the cell level across HW, Comb, and Seq intermediate representations, supporting improved security auditing and debugging. The implementation leveraged C++ and MLIR, embedding the instrumentation directly into the existing Circt toolchain to facilitate end-to-end taint analysis. By enabling dynamic tracking of information flow, the contribution addressed the need for secure design validation and more effective debugging in hardware workflows, demonstrating depth in both hardware design and dynamic analysis within a modern compiler infrastructure.