<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/101127>101127</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            llvm/lib/Target/README.txt is out of date for multiply overflow
        </td>
    </tr>

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

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

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

<pre>
    https://github.com/llvm/llvm-project/blame/43de4e03a3ebd2ce1a035fdd6cfa4b107817fe99/llvm/lib/Target/README.txt#L5

As you can see LLVM produces the llvm.umul.with.overflow.i32 intrinsics now.
https://godbolt.org/z/z15oj15eP
</pre>
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