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<base href="https://bugs.llvm.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Fold "(12 * unsigned) % 8 == 0" ->"(unsigned & 1) == 0" missing"
href="https://bugs.llvm.org/show_bug.cgi?id=40493">40493</a>
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<th>Summary</th>
<td>Fold "(12 * unsigned) % 8 == 0" ->"(unsigned & 1) == 0" missing
</td>
</tr>
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<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<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>
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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>Scalar Optimizations
</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>lebedev.ri@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<pre>Not sure how general this can be though.
<a href="https://godbolt.org/z/9bNnlb">https://godbolt.org/z/9bNnlb</a>
<a href="https://rise4fun.com/Alive/O8a">https://rise4fun.com/Alive/O8a</a>
%mul = mul i32 %area, 12
%rem = and i32 %mul, 4
%cmp = icmp eq i32 %rem, 0
=>
%and = and i32 %area, 1
%cmp = icmp eq i32 %and, 0</pre>
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