<html>
    <head>
      <base href="https://bugs.llvm.org/">
    </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 - BPF: Assertion faliure at BPFAsmBackend.cpp:73: Assertion `Value == 0' failed"
   href="https://bugs.llvm.org/show_bug.cgi?id=38643">38643</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>BPF: Assertion faliure at BPFAsmBackend.cpp:73: Assertion `Value == 0' failed
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>6.0
          </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>enhancement
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>Core LLVM classes
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>tstellar@redhat.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>alexei.starovoitov@gmail.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=20745" name="attach_20745" title="C test case">attachment 20745</a> <a href="attachment.cgi?id=20745&action=edit" title="C test case">[details]</a></span>
C test case

The attached test cases trigger assertion failures in
BPFAsmBackend::applyFixup() with llvm/clang 6.0.1.  I've provided the original
C test case as well as a reduced LLVM IR To reproduce:

clang -target bpf kprobes_kern.c

or 

./llc -march=bpf bpf-fixup-crash.ll -filetype=obj</pre>
        </div>
      </p>


      <hr>
      <span>You are receiving this mail because:</span>

      <ul>
          <li>You are on the CC list for the bug.</li>
      </ul>
    </body>
</html>