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<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - segmentation fault of -partial-inliner"
href="https://llvm.org/bugs/show_bug.cgi?id=26864">26864</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>segmentation fault of -partial-inliner
</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>All
</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>Interprocedural Optimizations
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>chengniansun@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=15996" name="attach_15996" title="bug triggering test program">attachment 15996</a> <a href="attachment.cgi?id=15996&action=edit" title="bug triggering test program">[details]</a></span>
bug triggering test program
The attached bc file causes a segmentation fault in -partial-inliner.
$: opt bugpoint-reduced-simplified.bc -partial-inliner -o temp.bc
0 opt 0x0000000001785db5
llvm::sys::PrintStackTrace(llvm::raw_ostream&) + 37
1 opt 0x0000000001783b66 llvm::sys::RunSignalHandlers() + 54
2 opt 0x0000000001783d91
3 libpthread.so.0 0x00007fbf9d5b5340
4 opt 0x00000000017b0d6f llvm::CodeExtractor::splitReturnBlocks()
+ 255
5 opt 0x00000000017b4266 llvm::CodeExtractor::extractCodeRegion()
+ 246
6 opt 0x000000000148344c
7 opt 0x0000000001484472
8 opt 0x00000000013e412f
llvm::legacy::PassManagerImpl::run(llvm::Module&) + 751
9 opt 0x000000000069621d main + 7373
10 libc.so.6 0x00007fbf9c7beec5 __libc_start_main + 245
11 opt 0x00000000006d5f38
Stack dump:
0. Program arguments: opt bugpoint-reduced-simplified.bc -partial-inliner
-o temp.bc
1. Running pass 'Partial Inliner' on module
'bugpoint-reduced-simplified.bc'.
Segmentation fault (core dumped)
$:
$: clang-trunk -v
clang version 3.9.0 (trunk 262800)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/5.3.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8.5
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/4.9
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/4.9.3
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/5.3.0
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/5.3.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.8.5
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/4.9.3
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.3.0
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/4.9
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: .;@m64
$:
$:</pre>
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