<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/64850>64850</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Report error in RDF computePhiInfo
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            new issue
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          QinCheng968
      </td>
    </tr>
</table>

<pre>
    report a llvm error "Invalid arguments: unrelated registers?" when calling mapTo(...) 


</pre>
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