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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 - if (auto x = y(z)) generates bad/slow code (found via analysis of dyn_cast)"
href="https://bugs.llvm.org/show_bug.cgi?id=35790">bug 35790</a>
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<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Component</td>
<td>Interprocedural Optimizations
</td>
<td>Scalar Optimizations
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
</tr></table>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - if (auto x = y(z)) generates bad/slow code (found via analysis of dyn_cast)"
href="https://bugs.llvm.org/show_bug.cgi?id=35790#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - if (auto x = y(z)) generates bad/slow code (found via analysis of dyn_cast)"
href="https://bugs.llvm.org/show_bug.cgi?id=35790">bug 35790</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>Should be fixed with:
<a href="https://reviews.llvm.org/rL322439">https://reviews.llvm.org/rL322439</a>
If anyone has stats/perf, I'm curious to know what fraction of the larger
problem (<a class="bz_bug_link
bz_status_NEW "
title="NEW - static_cast<T*>(this) does not propagate non-null invariant of 'this'"
href="show_bug.cgi?id=35909">bug 35909</a>, I think) this pattern represents for swift/clang.</pre>
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