<html>
    <head>
      <base href="http://llvm.org/bugs/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - globaldce change the members of a comdat"
   href="http://llvm.org/bugs/show_bug.cgi?id=20981">20981</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>globaldce change the members of a comdat
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>libraries
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>trunk
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Windows NT
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Interprocedural Optimizations
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>rafael.espindola@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>david.majnemer@gmail.com, llvmbugs@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Given
--------------------------------
$c1 = comdat any
@a1 = linkonce_odr alias void ()* @f1
define void @f1() comdat $c1 {
  ret void
}
-------------------------------

globaldce produces

-------------------------
$c1 = comdat any
define void @f1() comdat $c1 {
  ret void
}
---------------------------

The c1 comdat is not missing a1 now.</pre>
        </div>
      </p>
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