<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/139585>139585</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [NFC][DirectX] Refactor mcdbc root parameters representation to support out of order storage.
        </td>
    </tr>

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

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

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

<pre>
    Refactor mcdbc root parameters representation to support out of order storage of parameters.

AC: 
- [ ] remove union usage from mcdxbc
- [ ] propose new solution that doesn't really on union.
- [ ] Parameters don't need to be store in order, but must be written in order when serializing to dxcontainer.
</pre>
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