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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 - Regression in ctpop loop vectorizer (trunk vs. llvm 9)"
   href="https://bugs.llvm.org/show_bug.cgi?id=43656">bug 43656</a>
          <br>
             <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>CONFIRMED
           </td>
           <td>RESOLVED
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Resolution</td>
           <td>---
           </td>
           <td>FIXED
           </td>
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        <div>
            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - Regression in ctpop loop vectorizer (trunk vs. llvm 9)"
   href="https://bugs.llvm.org/show_bug.cgi?id=43656#c10">Comment # 10</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - Regression in ctpop loop vectorizer (trunk vs. llvm 9)"
   href="https://bugs.llvm.org/show_bug.cgi?id=43656">bug 43656</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 Simon Pilgrim from <a href="show_bug.cgi?id=43656#c9">comment #9</a>)
<span class="quote">> The original vectorization regression is now fixed in trunk by rL374775

> Should we keep this ticket open to handle the zext(ctpop(zext(x))) case as
> well or split it off?</span >

It's going to take more than 1 patch to get it right, so I think we better
fork. Opened <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - optimize ctpop codegen by width and narrow ctpop intrinsic in IR"
   href="show_bug.cgi?id=43688">bug 43688</a>.

Marking this as resolved since the regression from clang 9 is gone (reopen if I
got that wrong).</pre>
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