变更摘要

该 PR 用于修复 HFusion 泛化测试缺少预处理 pass 的问题：在测试文件 auto-vectorize-v2-generalization.mlir 的 RUN 命令行中、--hfusion-auto-vectorize-v2 之前新增 --hfusion-pre-vectorization-fusion，使命名 linalg 算子能在 AV2 处理前先被泛化为 linalg.generic，从而保证泛化测试按预期执行。

主要改动

• 新增预处理 pass 调用：在 RUN 行中于 --hfusion-auto-vectorize-v2 前加入 --hfusion-pre-vectorization-fusion，确保命名 linalg 算子先泛化为 linalg.generic 再进入后续向量化流程。
• 仅涉及测试用例文件：改动只发生在 bishengir/test/Dialect/HFusion/AutoVectorize/auto-vectorize-v2-generalization.mlir 的 RUN 行，属单行增减（+1 -1），不涉及生产代码逻辑变更。

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