2025 EuroLLVM Developers' Meeting ------ Title: Solving Compiler Puzzles: Debug Methods in MLIR Speaker: Christopher McGirr ------ Slides: ----- Debugging MLIR-based compilers can be challenging, from complex pass pipelines to subtle rewrite pattern mismatches. This talk provides a deep-dive of the essential debugging tools and techniques, helping novice developers efficiently diagnose and resolve issues. Topics include IR printing mechanisms, useful mlir-opt arguments, reproducers, LLDB integration, and MLIR Reduce. ----- Videos Edited by Bash Films: