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    <head>
      <base href="https://llvm.org/bugs/" />
    </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 --- - Unnecessary vector type produces wrong ll parser error"
   href="https://llvm.org/bugs/show_bug.cgi?id=28669">28669</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>Unnecessary vector type produces wrong ll parser 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>Core LLVM classes
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>Matthew.Arsenault@amd.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvm-bugs@lists.llvm.org
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>This testcase produces a misleading parse error

; RUN: llvm-as < %s
define void @add_v2i16(<2 x i16> addrspace(1)* %out, <2 x i16> %in) {
  %arst = add <2 x i16> %in, <2 x i16> <i16 123, i16 456>
  store <2 x i16> %arst, <2 x i16> addrspace(1)* %out
  ret void
}

expected-type-wrong-error.ll:3:31: error: expected type
  %arst = add <2 x i16> %in, <2 x i16> <i16 123, i16 456>

It is erroring on the 2nd operand <2 x i16> type, it really means the type is
unexpected.
The correctly parsing version is

  %arst = add <2 x i16> %in, <i16 123, i16 456></pre>
        </div>
      </p>
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