<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/104521>104521</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [HLSL] Write tests for space inside register annotation
        </td>
    </tr>

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

    <tr>
      <th>Assignees</th>
      <td>
            bob80905
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          bob80905
      </td>
    </tr>
</table>

<pre>
    Register annotations `register(u0, space1)`, may involve an optional space parameter. This parameter should be tested for when it may be invalid (for example, non-numeric suffixes, being placed as the first argument, etc)

</pre>
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