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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - "Instruction does not dominate all uses" with opt -disable-basicaa -loop-versioning"
href="https://bugs.llvm.org/show_bug.cgi?id=37650">37650</a>
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<th>Summary</th>
<td>"Instruction does not dominate all uses" with opt -disable-basicaa -loop-versioning
</td>
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<th>Product</th>
<td>new-bugs
</td>
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<th>Version</th>
<td>unspecified
</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>
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<th>Component</th>
<td>new bugs
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>mikael.holmen@ericsson.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
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<pre>Created <span class=""><a href="attachment.cgi?id=20380" name="attach_20380" title="reproducer">attachment 20380</a> <a href="attachment.cgi?id=20380&action=edit" title="reproducer">[details]</a></span>
reproducer
opt -S -o - bbi-14805.ll -disable-basicaa -loop-versioning
gives
Instruction does not dominate all uses!
%inc = add nsw i16 undef, 1
store i16 %inc, i16* @c, align 1
LLVM ERROR: Broken function found, compilation aborted!
Found when running random passes/flags on random input. We don't normally use
-disable-basicaa -loop-versioning.
This happens also with some old opt binary built in Nov 2016.</pre>
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