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Implementing a Domain-Specific Language (DSL) with LLVM and C++

Tutorial February 12, 2025

After generating LLVM IR, we optimize it using LLVM’s pass managers. The above optimizeModule function demonstrates adding a few standard optimization passes. In 2025, you might incorporate cutting-edge passes or even machine learning–based tuning for further enhancements.

To compile the IR to machine code, consider using LLVM’s JIT (via LLVM’s ORC JIT APIs) or emitting an object file that can be linked into a larger application.