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    <head>
      <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 - In function: __mulxc3 Cannot select: 0x55d58830cbf0: f80 = ConstantFP<APFloat(604462909807314587353088)>"
   href="https://bugs.llvm.org/show_bug.cgi?id=41749">41749</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>In function: __mulxc3 Cannot select: 0x55d58830cbf0: f80 = ConstantFP<APFloat(604462909807314587353088)>
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>new-bugs
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>8.0
          </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>enhancement
          </td>
        </tr>

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

        <tr>
          <th>Component</th>
          <td>new bugs
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>c.runge@cssbook.de
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=21896" name="attach_21896" title="bugpoint result">attachment 21896</a> <a href="attachment.cgi?id=21896&action=edit" title="bugpoint result">[details]</a></span>
bugpoint result

Clang 7 as well as Clang 8 ran into errors while compiling the respective
compiler-rt.

Tracing the bug led me to a crashing llc:


    > llc -asm-show-inst -asm-verbose bugpoint-reduced-simplified.bc
    LLVM ERROR: Cannot select: 0x55d58830cbf0: f80 =
ConstantFP<APFloat(604462909807314587353088)>
    In function: __mulxc3

The .bc file is attached.</pre>
        </div>
      </p>


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