<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/147694>147694</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [DAG] SelectionDAG::canCreateUndefOrPoison - add ISD::FCOPYSIGN handling + tests
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            good first issue,
            llvm:SelectionDAG
      </td>
    </tr>

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

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

<pre>
    Match ValueTracking's llvm::canCreateUndefOrPoison - add ISD::FCOPYSIGN  to the other fp ops in SelectionDAG::canCreateUndefOrPoison and add suitable test coverage.
</pre>
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