During June 2025, Alex Straw worked on the llvm/clangir repository, focusing on stabilizing GPU intrinsic handling within the NVVM conversion path. He addressed a debug-info regression by ensuring that only valid global locations are used when creating hardware intrinsic functions during GPU code generation, which prevents out-of-scope debug information from propagating. This solution, implemented in C++ and leveraging MLIR, included the addition of a dedicated automated test wired into CI to guard against future regressions. Alex’s work improved the reliability and maintainability of GPU codegen, demonstrating depth in compiler development and low-level systems engineering within a complex codebase.