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    <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 - LLVM 13 regression: x86_64 ran out of registers during register allocation with valgrind client request"
   href="https://bugs.llvm.org/show_bug.cgi?id=51699">51699</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>LLVM 13 regression: x86_64 ran out of registers during register allocation with valgrind client request
          </td>
        </tr>

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

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

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </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>new bugs
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>andrew@ziglang.org
          </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=25209" name="attach_25209" title="test.ll">attachment 25209</a> <a href="attachment.cgi?id=25209&action=edit" title="test.ll">[details]</a></span>
test.ll

To reproduce:

clang-13 -c test.ll

It gives:

error: ran out of registers during register allocation

However it worked in LLVM 12. This inline assembly is used to form a Valgrind
Client Request.

This bug found via the Zig programming language behavior test suite in the
llvm13 branch.</pre>
        </div>
      </p>


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