(gdb) backtrace
#0  0x006eeeff in raise () from /lib/tls/libc.so.6
#1  0x006f0705 in abort () from /lib/tls/libc.so.6
#2  0x006e8619 in __assert_fail () from /lib/tls/libc.so.6
#3  0x084002e8 in (anonymous namespace)::SelectionDAGLegalize::LegalizeOp (this=0xbfffbbe0, Op=
      {Val = 0xa3158c8, ResNo = 0})
    at /home/alireza/projects/C16/llvm-2.1-src/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:2587
#4  0x083f1071 in (anonymous namespace)::SelectionDAGLegalize::HandleOp (this=0xbfffbbe0, Op=
      {Val = 0xa3158c8, ResNo = 0})
    at /home/alireza/projects/C16/llvm-2.1-src/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:453
#5  0x083f0a18 in (anonymous namespace)::SelectionDAGLegalize::LegalizeDAG (this=0xbfffbbe0)
    at /home/alireza/projects/C16/llvm-2.1-src/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:332
#6  0x084187ac in llvm::SelectionDAG::Legalize (this=0xbfffc2f0)
    at /home/alireza/projects/C16/llvm-2.1-src/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp:6018
#7  0x083a0fe6 in llvm::SelectionDAGISel::CodeGenAndEmitDAG (this=0xa310750, DAG=@0xbfffc2f0)
    at /home/alireza/projects/C16/llvm-2.1-src/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:4635
#8  0x083a1194 in llvm::SelectionDAGISel::SelectBasicBlock (this=0xa310750, LLVMBB=0xa307548, MF=@0xa314cc8,
    FuncInfo=@0xbfffc410) at /home/alireza/projects/C16/llvm-2.1-src/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:4665
#9  0x0839f8fe in llvm::SelectionDAGISel::runOnFunction (this=0xa310750, Fn=@0xa3096e8)
    at /home/alireza/projects/C16/llvm-2.1-src/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:4366
#10 0x083393e5 in (anonymous namespace)::PIC16DAGToDAGISel::runOnFunction (this=0xa310750, Fn=@0xa3096e8)
    at /home/alireza/projects/C16/llvm-2.1-src/lib/Target/PIC16/PIC16ISelDAGToDAG.cpp:48
---Type <return> to continue, or q <return> to quit---
#11 0x085b110c in llvm::FPPassManager::runOnFunction (this=0xa306848, F=@0xa3096e8)
    at /home/alireza/projects/C16/llvm-2.1-src/lib/VMCore/PassManager.cpp:1168
#12 0x085b0e8a in llvm::FunctionPassManagerImpl::run (this=0xa30a4b0, F=@0xa3096e8)
    at /home/alireza/projects/C16/llvm-2.1-src/lib/VMCore/PassManager.cpp:1126
#13 0x085b0d74 in llvm::FunctionPassManager::run (this=0xbfffc660, F=@0xa3096e8)
    at /home/alireza/projects/C16/llvm-2.1-src/lib/VMCore/PassManager.cpp:1071
#14 0x08329b77 in main (argc=4, argv=0xbfffc7a4) at /home/alireza/projects/C16/llvm-2.1-src/tools/llc/llc.cpp:295