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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [DAG] Add llvm::isGuaranteedNotToBePoison(SDValue) helper method"
href="https://bugs.llvm.org/show_bug.cgi?id=51129">51129</a>
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<th>Summary</th>
<td>[DAG] Add llvm::isGuaranteedNotToBePoison(SDValue) helper method
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
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<th>OS</th>
<td>Windows NT
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Common Code Generator Code
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>llvm-dev@redking.me.uk
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<th>CC</th>
<td>craig.topper@gmail.com, efriedma@quicinc.com, juneyoung.lee@sf.snu.ac.kr, lebedev.ri@gmail.com, llvm-bugs@lists.llvm.org, nikita.ppv@gmail.com, nunoplopes@sapo.pt, spatel+llvm@rotateright.com
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<p>
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<pre>As suggested on D106053, we're going to need some way to confirm a source value
isn't poison.
We might need this at the per-element level for vectors as well, so a
DemandedElts mask might be necessary.</pre>
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