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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - loop vectorizer: Instruction does not dominate all uses"
href="http://llvm.org/bugs/show_bug.cgi?id=16452">16452</a>
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<th>Summary</th>
<td>loop vectorizer: Instruction does not dominate all uses
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
</tr>
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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>Loop Optimizer
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>hfinkel@anl.gov
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=10766" name="attach_10766" title="bugpoint reduced test case">attachment 10766</a> <a href="attachment.cgi?id=10766&action=edit" title="bugpoint reduced test case">[details]</a></span>
bugpoint reduced test case
As of r184853, running opt bugpoint-reduced-simplified.ll -loop-vectorize on
the attached input yields:
Instruction does not dominate all uses!
%idxprom21 = zext i32 undef to i64
%14 = getelementptr inbounds [100 x [100 x i32]]* undef, i64 0, i64
%idxprom21, i64 %13
bugpoint found this problem while I was attempting to reduce the t842 test case
from PR16431.</pre>
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