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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - LLVM ERROR: Cannot select... during final Firefox libxul LTO build"
href="http://llvm.org/bugs/show_bug.cgi?id=17380">17380</a>
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<th>Summary</th>
<td>LLVM ERROR: Cannot select... during final Firefox libxul LTO build
</td>
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<th>Product</th>
<td>tools
</td>
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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>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>lto
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>octoploid@yandex.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>
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<p>
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<pre>During the final libxul link of a Firefox LTO build I get:
...
LLVM ERROR: Cannot select: 0xa81da8e0: i32 = shl 0xa811adc0, 0xa8221d90
[ORD=7279256] [ID=23]
0xa811adc0: i32 = srl 0xa80c7cb0, 0xa81abd10 [ORD=7279253] [ID=21]
0xa80c7cb0: i32,ch = CopyFromReg 0x70314760, 0xa8415920 [ORD=7279253]
[ID=17]
0xa8415920: i32 = Register %vreg5 [ID=1]
0xa81abd10: i8 = Constant<1> [ID=2]
0xa8221d90: i32 = Constant<1> [ID=16]
In function: _ZL20WriteSegmentToStringP14nsIInputStreamPvPKcjjPj</pre>
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