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      <base href="https://bugs.llvm.org/">
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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [LoopVectorizer] Assertion `Part < UF && "Queried Vector Part is too large."' failed."
   href="https://bugs.llvm.org/show_bug.cgi?id=46155">46155</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[LoopVectorizer]  Assertion `Part < UF && "Queried Vector Part is too large."' failed.
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>libraries
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>trunk
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>PC
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Loop Optimizer
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs@nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>paulsson@linux.vnet.ibm.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=23559" name="attach_23559" title="reduced testcase">attachment 23559</a> <a href="attachment.cgi?id=23559&action=edit" title="reduced testcase">[details]</a></span>
reduced testcase

opt -mtriple=s390x-linux-gnu -O3 tc_loopvec.ll
-tiny-trip-count-interleave-threshold=4 -vectorizer-min-trip-count=8
-unroll-full-max-count=1

Vectorize/VPlan.h:137: bool
llvm::VectorizerValueMap::hasVectorValue(llvm::Value*, unsigned int) const:
Assertion `Part < UF && "Queried Vector Part is too large."' failed.
...
#11 0x000002aa090fb0d2 llvm::InnerLoopVectorizer::fixCrossIterationPHIs()#11
0x000002aa090fb0d2 llvm::InnerLoopVectorizer::fixCrossIterationPHIs()
...</pre>
        </div>
      </p>


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