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TaskIndexAnalysis
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1. 功能介绍
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TaskIndexAnalysis的作用是为每个task编号, 其中编号为0的节点必须是输入节点。

2. 依赖说明
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**ANALYSIS**

* `DataFlowAnalysis <data_flow_analysis.html>`_
* `ScopeBasicInfoAnalysis <scope_basic_info_analysis.html>`_


`返回 <../plan_pass.html#analysis>`_