[LLVMdev] Code-emission problem

[Clemens Hammacher]

Hi George,

there already is a bug report for this:
http://llvm.org/bugs/show_bug.cgi?id=12912

Cheers,
Clemens


On 8/6/12 1:40 PM, George Baah wrote:
> Hi Everyone,
>    When I compile a program with clang with debug symbols enabled and I
> try to run it using the JIT (lli) I get the
> following error message. I am running on Lion (10.7.4). Thanks.
>
> George
>
>  >>
> pseudo instructions should be removed before code emission
> UNREACHABLE executed at
> /Users/JD/Software/llvm3.1/llvm-3.1.src/lib/Target/X86/X86CodeEmitter.cpp:736!
> 0  lli               0x0000000103518b6e _ZL15PrintStackTracePv + 46
> 1  lli               0x0000000103519119 _ZL13SignalHandleri + 297
> 2  libsystem_c.dylib 0x00007fff93630cfa _sigtramp + 26
> 3  libsystem_c.dylib 0x0000000000000001 _sigtramp + 18446603338043421473
> 4  lli               0x0000000103518e3b raise + 27
> 5  lli               0x0000000103518ef2 abort + 18
> 6  lli               0x0000000103500cf6
> llvm::llvm_unreachable_internal(char const*, char const*, unsigned int)
> + 198
> 7  lli               0x0000000102afb170 (anonymous
> namespace)::Emitter<llvm::JITCodeEmitter>::emitInstruction(llvm::MachineInstr&,
> llvm::MCInstrDesc const*) + 3408
> 8  lli               0x0000000102afa351 (anonymous
> namespace)::Emitter<llvm::JITCodeEmitter>::runOnMachineFunction(llvm::MachineFunction&)
> + 577
> 9  lli               0x0000000102fb953e
> llvm::MachineFunctionPass::runOnFunction(llvm::Function&) + 110
> 10 lli               0x0000000103481d9d
> llvm::FPPassManager::runOnFunction(llvm::Function&) + 445
> 11 lli               0x00000001034815d1
> llvm::FunctionPassManagerImpl::run(llvm::Function&) + 129
> 12 lli               0x0000000103481542
> llvm::FunctionPassManager::run(llvm::Function&) + 162
> 13 lli               0x0000000102ebb2cf
> llvm::JIT::jitTheFunction(llvm::Function*, llvm::MutexGuard const&) + 63
> 14 lli               0x0000000102ebb17a
> llvm::JIT::runJITOnFunctionUnlocked(llvm::Function*, llvm::MutexGuard
> const&) + 122
> 15 lli               0x0000000102ebb5b7
> llvm::JIT::getPointerToFunction(llvm::Function*) + 695
> 16 lli               0x0000000102eb9bfb
> llvm::JIT::runFunction(llvm::Function*, std::vector<llvm::GenericValue,
> std::allocator<llvm::GenericValue> > const&) + 171
> 17 lli               0x00000001032a39f6
> llvm::ExecutionEngine::runFunctionAsMain(llvm::Function*,
> std::vector<std::string, std::allocator<std::string> > const&, char
> const* const*) + 1126
> 18 lli               0x0000000102a7a123 main + 2915
> 19 lli               0x0000000102a79534 start + 52
> Stack dump:
> 0.Program arguments: lli test.bc
> 1.Running pass 'X86 Machine Code Emitter' on function '@main'
> Illegal instruction: 4
>
>
>
>
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>

-- 
Clemens Hammacher
Researcher / PhD Student

Software Engineering Chair (Prof. Zeller)
Saarland University, Computer Science
Building E1 1, Room 1.16.1

Tel. +49 (0)681 302-70983 · Fax +49 (0)681 302-70972
hammacher at cs.uni-saarland.de · http://www.st.cs.uni-saarland.de/~hammacher/


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