<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/63583>63583</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Support for func calls with SVE fixed length vector argument
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
      </td>
    </tr>

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

    <tr>
      <th>Reporter</th>
      <td>
          v01dXYZ
      </td>
    </tr>
</table>

<pre>
    Hello,

What is the current support of function calls with fixed length vector arguments when SVE is used for fixed length vectors (`AArch64TargetLowering::useSVEForFixedLengthVectorVT`) ?

It doesn't seem supported at all, as the calling convention tablegen file seems to only mention 128b vector types.

Related to #63025 
</pre>
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