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      <base href="https://llvm.org/bugs/" />
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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 --- - PeepholeOptimizer emits a fatal error" href="https://urldefense.proofpoint.com/v2/url?u=https-3A__llvm.org_bugs_show-5Fbug.cgi-3Fid-3D24303&d=AwMBaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=pF93YEPyB-J_PERP4DUZOJDzFVX5ZQ57vQk33wu0vio&m=jAq6jMtYUupZdQo56aUMZuNqLoG0qlU2YFnywctRpeo&s=mAERTf-RA139N9KL-o0JZ473GrxlEjnVCgNdUlK_lT8&e=">24303</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>PeepholeOptimizer emits a fatal error
          </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>Common Code Generator Code
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>wujingyue@gmail.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvmbugs@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=14665" name="attach_14665" title="failing test">attachment 14665</a> <a href="attachment.cgi?id=14665&action=edit" title="failing test">[details]</a></span>
failing test

r243486 (<a href="https://urldefense.proofpoint.com/v2/url?u=http-3A__reviews.llvm.org_D11197&d=AwMBaQ&c=8hUWFZcy2Z-Za5rBPlktOQ&r=pF93YEPyB-J_PERP4DUZOJDzFVX5ZQ57vQk33wu0vio&m=jAq6jMtYUupZdQo56aUMZuNqLoG0qlU2YFnywctRpeo&s=9H8GUC7O7H5x5cXGWU2g3fa6g5D4FgYBt6Rtes-MkYI&e=">http://reviews.llvm.org/D11197</a>) broke an internal test of ours. I
reduced it to complex2.ll attached. 

jingyue llvm-git% llc ~/Work/cuda/complex2.ll -o - -march=nvptx64 -mcpu=sm_35 
//
// Generated by LLVM NVPTX Back-End
//

.version 3.2
.target sm_35
.address_size 64

LLVM ERROR: Attempted to created cross-class register copy</pre>
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