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<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>
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<th>Summary</th>
<td>BPF: Assertion faliure at BPFAsmBackend.cpp:73: Assertion `Value == 0' failed
</td>
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>6.0
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Core LLVM classes
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>tstellar@redhat.com
</td>
</tr>
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<th>CC</th>
<td>alexei.starovoitov@gmail.com, llvm-bugs@lists.llvm.org
</td>
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<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>
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