Worked on the iree-org/iree repository to deliver stable FFT, IFFT, and IRFFT support within the StableHLO dialect, focusing on correct input dimension handling and efficient memory allocation. Leveraged C++ and MLIR to implement these operations, updating both Torch and StableHLO tests to reflect new code generation paths and interface changes. Addressed compile issues for multi-dimensional FFTs and optimized tensor operations for RFFT workloads by refining stack allocation and input shuffling. Introduced comprehensive end-to-end tests, ensuring FFT-based workloads compile and run reliably on supported targets. This work improved performance readiness and cross-framework interoperability for complex number handling.