<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/55307>55307</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Please backport scalable-vector instcombine fix
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            release:backport,
            llvm:optimizations,
            llvm:instcombine
      </td>
    </tr>

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

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

<pre>
    LLVM 14 enhanced some bitwise select optimizations but in doing so introduced new crashes on scalable vectors.

7bad1d281c79 adds an extra test
bafab9c09f68 fixes the crash

CC @rotateright
</pre>
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