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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Crash trying to EmitRawText msync via the object streamer"
href="http://llvm.org/bugs/show_bug.cgi?id=18515">18515</a>
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<th>Summary</th>
<td>Crash trying to EmitRawText msync via the object streamer
</td>
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<th>Product</th>
<td>libraries
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Backend: PowerPC
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>rafael.espindola@gmail.com
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>llc -march=ppc32 -mcpu=440 -filetype=obj -o test.o
crashes on
define void @f() {
fence acquire
ret void
}
The PowerPC backend has a pretty complete MC support, so the fix should be
trivial, but it is probably better if someone familiar with the ISA looks at
it.
My guess from the existing code is that is most cpus msync is as alias for
"sync 0", but on "book E" versions there is not "sync 0" and msync is a proper
instruction.</pre>
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