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<body><span class="vcard"><a class="email" href="mailto:spatel+llvm@rotateright.com" title="Sanjay Patel <spatel+llvm@rotateright.com>"> <span class="fn">Sanjay Patel</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Assertion failed: ((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?"), function computeKnownBits, file lib/Analysis/ValueTracking.cpp, line 1606."
href="https://llvm.org/bugs/show_bug.cgi?id=31809">bug 31809</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>NEW
</td>
<td>RESOLVED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Assertion failed: ((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?"), function computeKnownBits, file lib/Analysis/ValueTracking.cpp, line 1606."
href="https://llvm.org/bugs/show_bug.cgi?id=31809#c17">Comment # 17</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - Assertion failed: ((KnownZero & KnownOne) == 0 && "Bits known to be one AND zero?"), function computeKnownBits, file lib/Analysis/ValueTracking.cpp, line 1606."
href="https://llvm.org/bugs/show_bug.cgi?id=31809">bug 31809</a>
from <span class="vcard"><a class="email" href="mailto:spatel+llvm@rotateright.com" title="Sanjay Patel <spatel+llvm@rotateright.com>"> <span class="fn">Sanjay Patel</span></a>
</span></b>
<pre>Resolving as fixed (although there may now be undefined behavior in the program
that gets silently compiled to something unexpected).
It should be possible to see a compiler analysis remark for this example after:
<a href="https://reviews.llvm.org/rL294208">https://reviews.llvm.org/rL294208</a>
See also related <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - print a remark when an llvm.assume has a false param"
href="show_bug.cgi?id=31882">bug 31882</a>.</pre>
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