<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=http://email.email.llvm.org/c/eJylU01vnDAQ_TXmMipiYb84cEiyXWmlVJGi3CtjBnBkMLXHu8q_72B326jqrcjyB_abefP83Nruo3kb0SFoDxIGnNFJA4PljixM9orrKI2xNxBlqYInO_GE_y5g8IoG7MIY0nb2oGdPKDuwPTj8ETTHbYM2pOf8m-2Cke5lEeUT_ySgkUM7OXsTwYztnfTkgqLAuFG6DpTt0EOEYkJiPuR8VFQPojiJ4t7vi18tLctzanCZCV0vFa6U1ox9mFVMR6Ok3_nXJM-X11gqdLrvWZGZoLdu4lNy7v6OawMtgXwM6dAHQwnL_FFOOVwoCrrKhl1SksN-xPNTLCdPIYPX8wBvdx5nZ6eVyflOU1SndBD489SthVcP9ypE9fRsB62keY0kRHn8LJYx1ykBnLx9t4kcX-M-0RdlLaqvonr8t4ix50JuNpgOWoRZK_zkihvfkId3dgSkKl7uRhDlA0RTWQfeTkgjb-dZ11RdXdUyk4FG6xoumNhvWXCmGYkWv3KN-g6axtDmarXaOVaRhi-Ls--omPlZex_Q82RXVYciGxu538vjpt7jpkDctsfDtsfjoZbHut2W2O4yI1s0vhG7R_bvZLTjdMo65JXYnbL_56CbsijLYlNWm3pzLLe5OqhNv5PFXu0OdV0rsS1wktrka5zcuiFjEdaQbRg8bxrtyf_ZlN7rYUaMlJkhaTLYPKYHtfrrftewOH3VBgf2Wvvx-VX5LHJsIsGfS2NMJg>53370</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            Builtin is ModuleOp privileged by translations
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            mlir:core
      </td>
    </tr>

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

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

<pre>
    There is a general goal to move to allow "custom" top level operations instead of require builtin.ModularOp, but the translation infrastructure hard codes ModuleOp, e.g. in:

```
/// Interface of the function that translates MLIR to a different format and
/// outputs the result to a stream. It is allowed to modify the module.
using TranslateFromMLIRFunction =
    std::function<LogicalResult(ModuleOp, llvm::raw_ostream &output)>;
```

It would be nice to move towards just using Operation* here or something.
</pre>
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