Worked on the triton-lang/triton repository to deliver a targeted backend optimization for the Triton dialect, focusing on compiler development and optimization using C++ and MLIR. Refactored the existing combine pattern logic from tablegen definitions into native C++ implementations, introducing the CombineDotAddPattern to optimize AddOp when paired with DotOp whose accumulator is zero. This approach reduced backend complexity and improved maintainability and extensibility of optimization passes. The changes enhanced the performance of generated code paths and aligned with the MLIR-based backend strategy, providing a more efficient and future-proof foundation for further backend optimizations in Triton.