[llvm-dev] Illegal instruction (core dumped) LLVM 8.0

[Praveen Velliengiri via llvm-dev]

Hi Hameeza
Yeah, I trying to reproduce the same behaviour with top of the trunk. If I
succeeded, I will you let know :)

Thanks


On Mon, 26 Aug 2019 at 01:27, hameeza ahmed <hahmed2305 at gmail.com> wrote:

> attached
>
> On Mon, Aug 26, 2019 at 12:43 AM hameeza ahmed <hahmed2305 at gmail.com>
> wrote:
>
>>
>>
>> On Mon, Aug 26, 2019 at 12:41 AM Praveen Velliengiri <
>> praveenvelliengiri at gmail.com> wrote:
>>
>>> Hi, Could please attach your IR file? Convert .bc into .ll file and send
>>> :)
>>>
>>>
>>> On Mon, 26 Aug 2019 at 01:06, hameeza ahmed via llvm-dev <
>>> llvm-dev at lists.llvm.org> wrote:
>>>
>>>> Hello,
>>>> I have implemented a pass to count total number of instructions in LLVM
>>>> 8.0. Its source code is attached here. The pass runs fine with LLVM 4.0.
>>>> But with LLVM 8.0 following error is shown;
>>>>
>>>> $ $LLVMopt_BIN/opt -load $LLVM_SO/LLVMStatic-Info.so -one
>>>> output-simple.bc
>>>> WARNING: You're attempting to print out a bitcode file.
>>>> This is inadvisable as it may cause display problems. If
>>>> you REALLY want to taste LLVM bitcode first-hand, you
>>>> can force output with the `-f' option.
>>>> %2+_Z5UsageiPPc 5 call:1,getelementptr:1,load:2,ret:1,
>>>> _Z5UsageiPPc 5 5Stack dump:
>>>> 0. Program arguments:opt -load /build/lib/LLVMStatic-Info.so -one
>>>> output-simple.bc
>>>> 1. Running pass 'Function Pass Manager' on module 'output-simple.bc'.
>>>> 2. Running pass 'Numbers of Opcodes inside the program' on function
>>>> '@_Z5UsageiPPc'
>>>>  #0 0x0000000002636939 llvm::sys::PrintStackTrace(llvm::raw_ostream&)
>>>> /llvm-8.0.0.src/lib/Support/Unix/Signals.inc:495:11
>>>>  #1 0x0000000002636ae9 PrintStackTraceSignalHandler(void*)
>>>> /llvm-8.0.0.src/lib/Support/Unix/Signals.inc:559:1
>>>>  #2 0x0000000002634bd6 llvm::sys::RunSignalHandlers()
>>>> /llvm-8.0.0.src/lib/Support/Signals.cpp:68:5
>>>>  #3 0x000000000263718b SignalHandler(int)
>>>> /llvm-8.0.0.src/lib/Support/Unix/Signals.inc:358:1
>>>>  #4 0x00007f9153c4f890 __restore_rt
>>>> (/lib/x86_64-linux-gnu/libpthread.so.0+0x12890)
>>>>  #5 0x00007f91524b40fe (anonymous
>>>> namespace)::opcodecount::runOnFunction(llvm::Function&)
>>>> /llvm-8.0.0.src/lib/Transforms/Static-Info/Static-Info.cpp:30:1
>>>>  #6 0x0000000001c64464
>>>> llvm::FPPassManager::runOnFunction(llvm::Function&)
>>>> /llvm-8.0.0.src/lib/IR/LegacyPassManager.cpp:1644:23
>>>>  #7 0x0000000001c64845 llvm::FPPassManager::runOnModule(llvm::Module&)
>>>> /llvm-8.0.0.src/lib/IR/LegacyPassManager.cpp:1679:16
>>>>  #8 0x0000000001c6507b (anonymous
>>>> namespace)::MPPassManager::runOnModule(llvm::Module&)
>>>> /llvm-8.0.0.src/lib/IR/LegacyPassManager.cpp:1744:23
>>>>  #9 0x0000000001c64b1b
>>>> llvm::legacy::PassManagerImpl::run(llvm::Module&)
>>>> /llvm-8.0.0.src/lib/IR/LegacyPassManager.cpp:1857:16
>>>> #10 0x0000000001c65651 llvm::legacy::PassManager::run(llvm::Module&)
>>>> /llvm-8.0.0.src/lib/IR/LegacyPassManager.cpp:1888:3
>>>> #11 0x0000000000b54d93 main /llvm-8.0.0.src/tools/opt/opt.cpp:835:12
>>>> #12 0x00007f91526dbb97 __libc_start_main
>>>> /build/glibc-OTsEL5/glibc-2.27/csu/../csu/libc-start.c:344:0
>>>> #13 0x0000000000b0a5fa _start (/build/bin/opt+0xb0a5fa)
>>>> Illegal instruction (core dumped)
>>>>
>>>> what is the reason of this error?
>>>>
>>>> Please help.
>>>> _______________________________________________
>>>> LLVM Developers mailing list
>>>> llvm-dev at lists.llvm.org
>>>> https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>>>>
>>>
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