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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 - MSVC rotate intrinsics don't (just) generate rotates on x86-64"
href="https://bugs.llvm.org/show_bug.cgi?id=37387">bug 37387</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<tr>
<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - MSVC rotate intrinsics don't (just) generate rotates on x86-64"
href="https://bugs.llvm.org/show_bug.cgi?id=37387#c17">Comment # 17</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - MSVC rotate intrinsics don't (just) generate rotates on x86-64"
href="https://bugs.llvm.org/show_bug.cgi?id=37387">bug 37387</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>(In reply to simonas+llvm.org from <a href="show_bug.cgi?id=37387#c15">comment #15</a>)
<span class="quote">> It seems that Clang still codegens the old sequence for `_rot{l,r}` builtins
> rather than these new LLVM intrinsics, as can be seen in
> lib/CodeGen/CGBuiltin.cpp at lines 1822-1860.</span >
I don't see any bot failures caused by the clang change this time, so should be
fixed with:
<a href="https://reviews.llvm.org/rL347527">https://reviews.llvm.org/rL347527</a>
Note that there is still ongoing work to optimize/canonicalize funnel-shift and
associated patterns. See related bugs to track those.</pre>
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