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    <head>
      <base href="https://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 --- - 3.9 performance regression in sudoku solver [ARM/AARCH64]"
   href="https://llvm.org/bugs/show_bug.cgi?id=30617">30617</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>3.9 performance regression in sudoku solver [ARM/AARCH64]
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>3.9
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </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>Backend: ARM
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>tulipawn@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=17403" name="attach_17403" title="benchmark source files">attachment 17403</a> <a href="attachment.cgi?id=17403&action=edit" title="benchmark source files">[details]</a></span>
benchmark source files

Just a heads-up, e.g. on ARM the rust benchmark takes:

$ ./sudoku > /dev/null

llvm 3.8: 1.35s
llvm 3.9: 1.62s

Should reproduce in clang, both C and Rust sources attached.</pre>
        </div>
      </p>
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