<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/70645>70645</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            how to imporve runtime of clangtool
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          asdasas1212
      </td>
    </tr>
</table>

<pre>
    even though i did nothing in ASTconsumer,it takes me 4 hours to analyze 135 cpp files. I want to know how to reduce the runtime
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJxEkM2OnDAQhJ_GvrQW-Qc8cPBhkwgp5-QFjOnBzhob-WdGm6ePQKPsqVvqrlLVZ0rxW0TUZPhGhh_UtOpS1qasppjCBRd0SeunxgdGqC61zYGH1a8QU3U-buAjvP_6bVMsbcdMxHdfoZoPLLAj9OBSywVqAhNN-PyLwOUA9jjg7gOWDn7C08R6PnzE9ASXnueecW0WoTqE3GL1O9JVy3WSk6GouZpGpcQ4Seo0G8ZhEoudbgNHhtirxeJ4U8IoJo011GvBhORMMs76kctuuU-o1MisYj1nqyE9w9340IXw2LuUN-pLaahvTPUDDWbBUC4-QkR8wnUkQpy4sj41b0vbCulZ8KWWL5fqa0D9auT3I-XH_zqQ7mCDiVtNKdCWg3a1HoXIdyJmIubNV9eWzqadiPl0fI23I6c_aCsR85WjEDFfOf8FAAD__3tmlfU">