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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 - Endless loop after IndVarSimplify"
   href="https://bugs.llvm.org/show_bug.cgi?id=48149">48149</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Endless loop after IndVarSimplify
          </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>Windows NT
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>enhancement
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>Backend: AArch64
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>guopeilin1@huawei.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>arnaud.degrandmaison@arm.com, llvm-bugs@lists.llvm.org, smithp352@googlemail.com, Ties.Stuij@arm.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=24152" name="attach_24152" title="test case">attachment 24152</a> <a href="attachment.cgi?id=24152&action=edit" title="test case">[details]</a></span>
test case

$ opt -indvars shared-exit-between-nested-loop.ll -S -o after-indvars.ll
$ llc after-indvars.ll -filetype=obj -o tmp.o
$ clang tmp.o -o tmp.out

I get stuck when I finally run ./tmp.out</pre>
        </div>
      </p>


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