<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/126354>126354</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [Bug] GVNPass incorrectly considered as uninitialized
        </td>
    </tr>

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

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

    <tr>
      <th>Reporter</th>
      <td>
          Zhenhang1213
      </td>
    </tr>
</table>

<pre>
    In this demo, hook_param has been memset, but in GVNPass , clang consideres hook_param.flags is uninitialized.

https://github.com/llvm/llvm-project/blob/6f241e36831927e3aea113cfc017c34fdeda340a/llvm/lib/IR/ConstantFold.cpp#L676-L678
https://godbolt.org/z/83nMW8M8o
</pre>
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