<html>
    <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 --- - InstSimplify crashes on trivial bitcast"
   href="https://llvm.org/bugs/show_bug.cgi?id=28771">28771</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>InstSimplify crashes on trivial bitcast
          </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>All
          </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>Scalar Optimizations
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>escha@apple.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>define <2 x i32> @test() {
  %tmp6 = bitcast <4 x half> <half undef, half undef, half undef, half 0xH3C00>
to <2 x i32>
  ret <2 x i32> %tmp6
}

Assertion failed: (C->getType()->isIntOrIntVectorTy() && "ZEXt operand must be
integral"), function getZExt, file ../lib/IR/Constants.cpp, line 1598.
Stack dump:
0.    Program arguments: bin/opt -instsimplify -S 
1.    Running pass 'Function Pass Manager' on module '<stdin>'.
2.    Running pass 'Remove redundant instructions' on function '@test'</pre>
        </div>
      </p>
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      <ul>
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