<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/82116>82116</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Backport "[ValueTracking] Fix computeKnownFPClass for fpext" to release/18.x
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            release:backport,
            floating-point,
            llvm:analysis
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
            tstellar,
            nikic
      </td>
    </tr>

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

<pre>
    I'd like to backport #81972 to the release/18.x branch.

/cherry-pick a5865c3c3dbbd17ae12ecc1c297fe1fc2605df52
</pre>
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