Agentic Harness for Real-World Compilers
Compilers are critical to modern computing, yet fixing compiler bugs is difficult. While recent large language model (LLM) advancements enable automated bug repair, compiler bugs pose unique challenges due to their complexity, deep cross-domain expertise requirements, and sparse, non-descriptive bug reports, necessitating compiler-specific harnesses. To bridge the gap, we introduce llvm-harness, the first harness designed to assist LLM agents in understanding and fixing compiler bugs. Our current focus is on the middle end of LLVM, one of the most widely used compiler infrastructures. Central to llvm-harness are agent-friendly LLVM tools, a benchmark llvm-bench of 334 reproducible LLVM mi...
| Authors | Yingwei Zheng, Cong Li, Shaohua Li et al. |
|---|---|
| Primary category | cs.SE |
| Published | 20 March 2026 |
| Last updated at source | 31 July 2026 |
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