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About this paper

Pranava Sai Maganti, Meghasyam Peddireddy, Muzakker Hossain, Kaining Gao, Farhan Ahmed, Ali Jannesari

MLIRBench tests whether models can classify pairs of compiler intermediate-representation programs as equivalent, divergent, or erroneous, and predict their behavior. It executes mutated PyTorch programs lowered into torch and linalg, using fixed inputs as ground truth. Gemini 3.1 Pro reached 92.65% label accuracy but a 5.04/10 behavior score; labels apply only to the benchmark setup.

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