Worked on expanding Arm SME hardware support in the iree-org/iree repository by addressing a critical limitation in the LLVMCPU backend. Updated backend logic and build pipeline options to enable ArmSME on SME-only ARM targets, such as Apple Silicon, by removing the dependency on classic SVE. This change resolved compilation errors and runtime crashes, broadening SME capability across ARM hardware and improving cross-device portability. The work involved compiler development using C and C++, with a focus on ARM architecture and MLIR. Validated the updated SME/ArmSME paths, reducing post-release incidents and enhancing the developer feedback loop for SME-enabled devices.