3 papers
cs.SE2026
Semantic-aware and Self-improving Program Reduction via Agentic Large Language Models
Xintong Zhou, Hongxu Xu, Chunhao Liao +3
Reducing bug-triggering programs to their minimal essential form is a fundamental task in debugging language processors such as compilers and interpreters. Existing reduction techn…
cs.SE2026
Can Coding Agents Implement Missed Compiler Optimizations? Evaluating LLM Agents on LLVM Peephole Optimizations
Hongxu Xu, Chunhao Liao, Xintong Zhou +1
Coding agents built on large language models are now capable of patching sizable real-world codebases, yet whether they can develop compiler optimizations remains an open question.…
cs.PL2026
LPO: Discovering Missed Peephole Optimizations with Large Language Models
Zhenyang Xu, Hongxu Xu, Yongqiang Tian +2
Peephole optimization is an essential class of compiler optimizations that targets small, inefficient instruction sequences within programs. By replacing such suboptimal instructio…