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<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - ptest not used for pointer comparison (but is for integer)"
href="https://bugs.llvm.org/show_bug.cgi?id=35129">bug 35129</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>REOPENED
</td>
<td>RESOLVED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - ptest not used for pointer comparison (but is for integer)"
href="https://bugs.llvm.org/show_bug.cgi?id=35129#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - ptest not used for pointer comparison (but is for integer)"
href="https://bugs.llvm.org/show_bug.cgi?id=35129">bug 35129</a>
from <span class="vcard"><a class="email" href="mailto:listmail@philipreames.com" title="listmail@philipreames.com">listmail@philipreames.com</a>
</span></b>
<pre>Disregard previous comment. As Simon had previously noted, the original two IR
fragments are not the same.
The first checks if at least one 64 bit sub-part is zero. The second checks if
any bit in the 128 bit span is non-zero. In terms of null checks, the former
is an or of the two sub-parts, the later is an and.</pre>
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