📄 9.3.2.htm
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<font class="title2"><b>9.3.2 基本块的优化</b></font>
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对应到死代码删除的dag操作相当容易实现。从dag中删掉对应到死变量的根(即没有父结点的结点),重复这个过程,直至删掉对应到死代码的所有结点。
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