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    <body><span class="vcard"><a class="email" href="mailto:daniel.sanders@imgtec.com" title="Daniel Sanders <daniel.sanders@imgtec.com>"> <span class="fn">Daniel Sanders</span></a>
</span> changed
              <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - Assertion `(InputFlag & ~0xffff) == 0 && "High bits already contain data"' failed."
   href="https://llvm.org/bugs/show_bug.cgi?id=22883">bug 22883</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>NEW
           </td>
           <td>RESOLVED
           </td>
         </tr>

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           <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 - Assertion `(InputFlag & ~0xffff) == 0 && "High bits already contain data"' failed."
   href="https://llvm.org/bugs/show_bug.cgi?id=22883#c2">Comment # 2</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - Assertion `(InputFlag & ~0xffff) == 0 && "High bits already contain data"' failed."
   href="https://llvm.org/bugs/show_bug.cgi?id=22883">bug 22883</a>
              from <span class="vcard"><a class="email" href="mailto:daniel.sanders@imgtec.com" title="Daniel Sanders <daniel.sanders@imgtec.com>"> <span class="fn">Daniel Sanders</span></a>
</span></b>
        <pre>Thanks. I've re-committed with a fix for this in 232165.

The main problem was simply that matching operands copied too much of the flag
word from their matched operand. As a result, the bits weren't empty (they
contained the matched operands' constraint id) and it triggered the assertion.
A second problem was that the operand number from a matching operand would be
also be used as the constraint id. Matching operands now obtain the constraint
id from the matched operand.</pre>
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