<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 --- - AArch64: llvm.frameaddress not implemented"
   href="http://llvm.org/bugs/show_bug.cgi?id=17156">17156</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>AArch64: llvm.frameaddress not implemented
          </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>Backend: ARM
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>kai@redstar.de
          </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=11164" name="attach_11164" title="IR file demonstrating the problem.">attachment 11164</a> <a href="attachment.cgi?id=11164&action=edit" title="IR file demonstrating the problem.">[details]</a></span>
IR file demonstrating the problem.

If the attached bug.ll is compiled with llc bug.ll then the following crash
occurs:

Don't know how to custom lower this!
UNREACHABLE executed at
D:\OpenSource\LLVM\llvm-git\lib\Target\AArch64\AArch64IS
elLowering.cpp:2654!

(Reduced test case produced by LDC on module core.thread.)</pre>
        </div>
      </p>
      <hr>
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