<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/61902>61902</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            BOLT: LBR vs non-LBR
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          zamazan4ik
      </td>
    </tr>
</table>

<pre>
    Hi.

BOLT readme says if LBR info is not available in the profile - optimization quality will be lower compared to LBR profiles. Do you have any estimations/benchmarks/research - how much "optimization opportunity" would be lost in the case of non-LBR profiles compared to LBR?
</pre>
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