<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 - Cannot select for inline assembly"
   href="https://bugs.llvm.org/show_bug.cgi?id=40967">40967</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Cannot select for inline assembly
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>clang
          </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>-New Bugs
          </td>
        </tr>

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

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

        <tr>
          <th>CC</th>
          <td>htmldeveloper@gmail.com, llvm-bugs@lists.llvm.org, neeilans@live.com, richard-llvm@metafoo.co.uk
          </td>
        </tr></table>
      <p>
        <div>
        <pre>The following code causes trunk clang (and previous versions) to crash with
'cannot select'.

typedef float __m128 __attribute__((__vector_size__(16)));
__m128 foo(float value) {
    __m128 t;
    asm("":"=x"(t):"0"(value));
    return t;
}

Error:

fatal error: error in backend: Cannot select: 0x55d249ef7378: v4f32,ch =
load<LD4[%2](dereferenceable), anyext from f32> 0x55d249ef7720,
FrameIndex:i64<0>, undef:i64
  0x55d249ef76b8: i64 = FrameIndex<0>
  0x55d249ef71d8: i64 = undef</pre>
        </div>
      </p>


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