[LLVMbugs] [Bug 10252] New: -strong-phi-elim crash

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=10252

           Summary: -strong-phi-elim crash
           Product: libraries
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Common Code Generator Code
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: rafael.espindola at gmail.com
                CC: llvmbugs at cs.uiuc.edu


Created an attachment (id=6815)
 --> (http://llvm.org/bugs/attachment.cgi?id=6815)
bugpoint-reduced-simplified.bc

llc -strong-phi-elim bugpoint-reduced-simplified.bc 
Assertion failed: (SrcVNI), function InsertCopiesForPHI, file
/Users/espindola/llvm/llvm/lib/CodeGen/StrongPHIElimination.cpp, line 677.
0  llc               0x00000001008b32e2 PrintStackTrace(void*) + 34
1  llc               0x00000001008b38d9 SignalHandler(int) + 777
2  libSystem.B.dylib 0x00007fff88ee11ba _sigtramp + 26
3  libSystem.B.dylib 0xffffffffffffffff _sigtramp + 1997663839
4  llc               0x00000001008b3526 abort + 22
5  llc               0x00000001008b34e7 __assert_rtn + 55
6  llc               0x000000010064d1ae (anonymous
namespace)::StrongPHIElimination::runOnMachineFunction(llvm::MachineFunction&)
+ 9790

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