'[llvm-bugs] [Bug 47374] New: Invalid integer vector compare condition'

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List:       llvm-bugs
Subject:    [llvm-bugs] [Bug 47374] New: Invalid integer vector compare condition
From:       via llvm-bugs <llvm-bugs () lists ! llvm ! org>
Date:       2020-08-31 23:24:50
Message-ID: bug-47374-206 () http ! bugs ! llvm ! org/
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Date: Mon, 31 Aug 2020 16:24:50 -0700
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https://bugs.llvm.org/show_bug.cgi?id=47374

            Bug ID: 47374
           Summary: Invalid integer vector compare condition
           Product: libraries
           Version: 11.0
          Hardware: Other
                OS: FreeBSD
            Status: NEW
          Severity: release blocker
          Priority: P
         Component: Backend: PowerPC
          Assignee: unassignedbugs@nondot.org
          Reporter: pkubaj@anongoth.pl
                CC: llvm-bugs@lists.llvm.org, nemanja.i.ibm@gmail.com

Created attachment 23908
  --> https://bugs.llvm.org/attachment.cgi?id=23908&action=edit
sources

FreeBSD head, LLVM 11.0.0 rc2, powerpc64 elfv2

First, this is quite a peculiar bug, as it reproduces when using LLVM 11,
during building of LLVM 11 itself, with added -mcpu=power9. As such, it's a
case of Clang tripping over its own code.

Since I believe this bug is pretty important and reducing this has taken over a
week already on my own hardware, I'm only attaching Clang-generated script and
preprocessed source.

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--1598916290.053BCEb1.23870
Date: Mon, 31 Aug 2020 16:24:50 -0700
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<html>
    <head>
      <base href="https://bugs.llvm.org/">
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Invalid integer vector compare condition"
   href="https://bugs.llvm.org/show_bug.cgi?id=47374">47374</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Invalid integer vector compare condition
          </td>
        </tr>

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

        <tr>
          <th>Version</th>
          <td>11.0
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>FreeBSD
          </td>
        </tr>

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

        <tr>
          <th>Severity</th>
          <td>release blocker
          </td>
        </tr>

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

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

        <tr>
          <th>Assignee</th>
          <td>unassignedbugs&#64;nondot.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>pkubaj&#64;anongoth.pl
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs&#64;lists.llvm.org, nemanja.i.ibm&#64;gmail.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=23908" \
name="attach_23908" title="sources">attachment 23908</a> <a \
href="attachment.cgi?id=23908&amp;action=edit" title="sources">[details]</a></span> \
sources

FreeBSD head, LLVM 11.0.0 rc2, powerpc64 elfv2

First, this is quite a peculiar bug, as it reproduces when using LLVM 11,
during building of LLVM 11 itself, with added -mcpu=power9. As such, it's a
case of Clang tripping over its own code.

Since I believe this bug is pretty important and reducing this has taken over a
week already on my own hardware, I'm only attaching Clang-generated script and
preprocessed source.</pre>
        </div>
      </p>

      <hr>
      <span>You are receiving this mail because:</span>

      <ul>
          <li>You are on the CC list for the bug.</li>
      </ul>
    </body>
</html>
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