<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/81856>81856</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Backport Ampere1B support to release/18.x
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            backend:AArch64,
            release:backport
      </td>
    </tr>

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

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

<pre>
    I would like to backport Ampere1B (-mcpu=ampere1b) support (#81297 , #81341, #81744) to the release/18.x branch.
These depend on PAUTH being correctly enabled by default for ARMv8.3-A+ (#78027); so that one needs to be backported to the release/18.x branch as well.

/cherry-pick a52eea66795018550e95c4b060165a7250899298 fbba818a78f591d89f25768ba31783714d526532 dd1897c6cb028bda7d4d541d1bb33965eccf0a68 3369e341288b3d9bb59827f9a2911ebf3d36408d
</pre>
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