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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Assertion failed: ((Size == 32 || Size == 64) && "i32 or i64 is expected after legalization."), function targetShrinkDemandedConstant"
href="https://bugs.llvm.org/show_bug.cgi?id=33993">33993</a>
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<th>Summary</th>
<td>Assertion failed: ((Size == 32 || Size == 64) && "i32 or i64 is expected after legalization."), function targetShrinkDemandedConstant
</td>
</tr>
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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>
</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>Backend: AArch64
</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>ahmed.bougacha@gmail.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<p>
<div>
<pre>r301019 exposed a bug in performTBISimplification, where it passed the wrong
legality information to SimplifyDemandedBits.
This is only enabled with -aarch64-use-tbi, so most clang users aren't exposed
to this bug.</pre>
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