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<body><span class="vcard"><a class="email" href="mailto:anna@azul.com" title="Anna <anna@azul.com>"> <span class="fn">Anna</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED DUPLICATE - Loop vectorizer miscompile resulting in additional loop iteration"
href="https://bugs.llvm.org/show_bug.cgi?id=32317">bug 32317</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>DUPLICATE
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED DUPLICATE - Loop vectorizer miscompile resulting in additional loop iteration"
href="https://bugs.llvm.org/show_bug.cgi?id=32317#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED DUPLICATE - Loop vectorizer miscompile resulting in additional loop iteration"
href="https://bugs.llvm.org/show_bug.cgi?id=32317">bug 32317</a>
from <span class="vcard"><a class="email" href="mailto:anna@azul.com" title="Anna <anna@azul.com>"> <span class="fn">Anna</span></a>
</span></b>
<pre>Btw, the loop is no longer vectorized at O3. At O2, we see the same problem as
what occurs in 32396. The vector.recur.extract generated by
fixFirstOrderRecurrence assumes the last index (1) when trip-count=2 contains
the correct element. This is incorrect.
The fix in 32396 fixes this as well.
*** This bug has been marked as a duplicate of <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [LV] Miscompile caused due to incorrect index for extracting vector result"
href="show_bug.cgi?id=32396">bug 32396</a> ***</pre>
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