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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 - [InstCombine] Failure to simplify IR to allow recognition of i8 and i16 rotation patterns"
href="https://bugs.llvm.org/show_bug.cgi?id=34046">bug 34046</a>
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<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Resolution</td>
<td>---
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<td>FIXED
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<td style="text-align:right;">Status</td>
<td>NEW
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<td>RESOLVED
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [InstCombine] Failure to simplify IR to allow recognition of i8 and i16 rotation patterns"
href="https://bugs.llvm.org/show_bug.cgi?id=34046#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [InstCombine] Failure to simplify IR to allow recognition of i8 and i16 rotation patterns"
href="https://bugs.llvm.org/show_bug.cgi?id=34046">bug 34046</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>After <a href="https://reviews.llvm.org/rL310849">https://reviews.llvm.org/rL310849</a>:
_rotate16: ## @rotate16
movl %esi, %ecx
rolw %cl, %di
movzwl %di, %eax
retq
_rotate8: ## @rotate8
movl %esi, %ecx
rolb %cl, %dil
movzbl %dil, %eax
retq</pre>
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