<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/57615>57615</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            sub-optimal code generated by clang
        </td>
    </tr>

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

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

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

<pre>
    GCC is creating much better code with the same optimization level:

https://godbolt.org/z/3hzMa6zMx
</pre>
<img width="1px" height="1px" alt="" src="http://email.email.llvm.org/o/eJxdkEFuwyAQRU9jb1AsDIbYCxZNonYVqVcAMzZU2ESAk8anL3ZbVaoEzHwGzX-D8vop3s5nZCPqA8hk5xFNS2-QgpQgoN5rQA-bDEoGUJQTIH9LdrJrfutn5OAOrqAvBb4U-Oc0Kd3idkde8xq9Vt6lyocxqzVvatar5Ov1swRRc05YSyjDpRZUd7STZbLJgYiLOuxW0n1TjDBDkAk0Uk_UOzmP5RKc-OeWURdV9X7Kwrn7bzjcgv-APmVpY1wg5oQdec1KI-jQakVV5qg1Hxra8GM9kBbzppVAZF06qcBFUbBTQcgMD7S3yHnBLqUVBBOCO3zMkTFcdazneZ4Ga0zoAG3RYJikddXGsX1DGcSOpJYx5qKzMcW_oozRjjPAbpf7yyUZH8RJ-mjk_L6NvduLHf8LbA6PuA">