<html>
    <head>
      <base href="http://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 --- - crash in X86 Atom LEA Fixup"
   href="http://llvm.org/bugs/show_bug.cgi?id=19927">19927</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>crash in X86 Atom LEA Fixup
          </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>Backend: X86
          </td>
        </tr>

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

        <tr>
          <th>Reporter</th>
          <td>spatel+llvm@rotateright.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>llvmbugs@cs.uiuc.edu
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="attachment.cgi?id=12594" name="attach_12594" title="stepanov_abstraction.ll">attachment 12594</a> <a href="attachment.cgi?id=12594&action=edit" title="stepanov_abstraction.ll">[details]</a></span>
stepanov_abstraction.ll

With llc built from r210033 running on x86-64 Linux and the attached IR file
(which is derived from C++ source
test-suite/SingleSource/Adobe-C++/stepanov_abstraction.cpp):

$ ./llc -mcpu=atom stepanov_abstraction.ll 
0  llc             0x0000000000d03bc5 llvm::sys::PrintStackTrace(_IO_FILE*) +
37
1  llc             0x0000000000d043c3
2  libpthread.so.0 0x00007fcc32ae5340
3  llc             0x000000000089bf6b
llvm::MachineFunction::CreateMachineInstr(llvm::MCInstrDesc const&,
llvm::DebugLoc, bool) + 59
4  llc             0x000000000054e09a
5  llc             0x000000000054dc2e
6  llc             0x000000000054d570
7  llc             0x00000000008a229c
llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 124
8  llc             0x0000000000c9726b
llvm::FPPassManager::runOnFunction(llvm::Function&) + 539
9  llc             0x0000000000c974db
llvm::FPPassManager::runOnModule(llvm::Module&) + 43
10 llc             0x0000000000c97a57
llvm::legacy::PassManagerImpl::run(llvm::Module&) + 967
11 llc             0x00000000004f7096 main + 6374
12 libc.so.6       0x00007fcc31adbec5 __libc_start_main + 245
13 llc             0x00000000004f42ca
Stack dump:
0.    Program arguments: ./llc -mcpu=atom stepanov_abstraction.ll 
1.    Running pass 'Function Pass Manager' on module 'stepanov_abstraction.ll'.
2.    Running pass 'X86 Atom LEA Fixup' on function '@_Z13record_resultdPKc'
Segmentation fault (core dumped)</pre>
        </div>
      </p>
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