<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 --- - MI Serialization - parsing fails for undef load access"
   href="https://llvm.org/bugs/show_bug.cgi?id=24633">24633</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>MI Serialization - parsing fails for undef load access
          </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>Common Code Generator Code
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>hfinkel@anl.gov
          </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>$ cat miruv.ll
target datalayout = "E-m:e-i64:64-n32:64"
target triple = "powerpc64-unknown-linux-gnu"

; Function Attrs: nounwind
define i8* @mm_update_next_owner() #0 {
entry:
  %0 = load i8*, i8** undef, align 8
  ret i8* %0
}

attributes #0 = { nounwind "target-cpu"="pwr7" }

$ llc -o /dev/null -stop-after=if-converter miruv.ll > miruv.mir
$ llc -o - miruv.mir -start-after=if-converter

error: miruv.mir:40:48: expected a constant value
    %x3 = LD 0, undef %x3 :: (load 8 from `i8** undef`)</pre>
        </div>
      </p>
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