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    <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 --- - PBQP takes ages (infloops?) to compile this testcase"
   href="http://llvm.org/bugs/show_bug.cgi?id=21919">21919</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>PBQP takes ages (infloops?) to compile this testcase
          </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>Linux
          </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>Register Allocator
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>rdivacky@freebsd.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvmbugs@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=13544" name="attach_13544" title="test case">attachment 13544</a> <a href="attachment.cgi?id=13544&action=edit" title="test case">[details]</a></span>
test case

time clang -Oz -march=i386 -m32 -std=gnu99 -c boot2-minimal.c

0.184u 0.016s 0:00.20 95.0%    50273+3673k 4+1io 0pf+0w

clang -Oz -march=i386 -mllvm -regalloc=pbqp -m32 -std=gnu99 -c boot2-minimal.c

doesnt finish within 10 minutes</pre>
        </div>
      </p>
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