Hi,

Looks like things are crashing while trying to read your bitcode, but other
than that I am not sure what the issue might be ( I don't think I have seen
that failure mode before). Sorry, this is not super helpful.

Best regards, Than


On Tue, Aug 8, 2023 at 11:10 PM Md. Sakib Anwar <sakibanwar1149...@gmail.com>
wrote:

> Hello,
> I am trying to follow this commit of gofrontend: 140917: runtime: hack to
> make LLVM's lli work
> <https://go-review.googlesource.com/c/gofrontend/+/140917>. For LLVM,
> GO-LLVM, LIBFFI and LIBBACKTRACE I am following the recommended commits as
> well:
>
> GOLLVM_COMMIT=3452ec6bebaa1b432aabed1991475f4444c1775e
> LIBBACKTRACE_COMMIT=fd9442f7b5413e7788dfcf356f6261afcedb56e8
> LIBFFI_COMMIT=2e825e219fa06d308b9a9863d70320606d67490d
> LLVM_COMMIT=09629215c272f09e3ebde6cc7eac9625d28910ff
>
> LLI VERSION: LLVM (http://llvm.org/):
>   LLVM version 13.0.1
>   Optimized build with assertions.
>   Default target: x86_64-unknown-linux-gnu
>   Host CPU: goldmont
>
> However, even after following and applying the required patch to make them
> work, I am unable to reproduce the expected result as mentioned in the
> gofrontend hack. The error I am getting is: :
>
> Error opening './gollvm/lib64/libgo.so.15git':
> ./gollvm/lib64/libgo.so.15git: undefined symbol: main.main
>   -load request ignored.
> lli: /tmp/llvm-130/llvm/lib/Bitcode/Reader/MetadataLoader.cpp:366:
> {anonymous}::{anonymous}::PlaceholderQueue::~PlaceholderQueue(): Assertion
> `empty() && "PlaceholderQueue hasn't been flushed before being destroyed"'
> failed.
> PLEASE submit a bug report to https://bugs.llvm.org/ and include the
> crash backtrace.
> Stack dump:
> 0.      Program arguments: lli -load=./gollvm/lib64/libgo.so.15git
> -extra-module=hello.bc newmain.bc
>  #0 0x00007f91db4c0e66 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int)
> /tmp/llvm-130/llvm/lib/Support/Unix/Signals.inc:569:3
>  #1 0x00007f91db4bee64 llvm::sys::RunSignalHandlers()
> /tmp/llvm-130/llvm/lib/Support/Signals.cpp:97:20
>  #2 0x00007f91db4befe6 SignalHandler(int)
> /tmp/llvm-130/llvm/lib/Support/Unix/Signals.inc:407:1
>  #3 0x00007f91da973520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
>  #4 0x00007f91da9c7a7c pthread_kill
> (/lib/x86_64-linux-gnu/libc.so.6+0x96a7c)
>  #5 0x00007f91da973476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
>  #6 0x00007f91da9597f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
>  #7 0x00007f91da95971b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
>  #8 0x00007f91da96ae96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
>  #9 0x00007f91dc0a90e1
> (/tmp/llvm-130-install_O_D_A/bin/../lib/libLLVM-13.so+0x13210e1)
> #10 0x00007f91dc0ba14b llvm::SmallVectorTemplateCommon<unsigned long,
> void>::begin() /tmp/llvm-130/llvm/include/llvm/ADT/SmallVector.h:253:45
> #11 0x00007f91dc0ba14b llvm::SmallVectorTemplateCommon<unsigned long,
> void>::end() /tmp/llvm-130/llvm/include/llvm/ADT/SmallVector.h:255:32
> #12 0x00007f91dc0ba14b llvm::SmallVector<unsigned long,
> 64u>::~SmallVector()
> /tmp/llvm-130/llvm/include/llvm/ADT/SmallVector.h:1175:24
> #13 0x00007f91dc0ba14b
> llvm::MetadataLoader::MetadataLoaderImpl::parseMetadata(bool)
> /tmp/llvm-130/llvm/lib/Bitcode/Reader/MetadataLoader.cpp:1058:1
> #14 0x00007f91dc0baa38 llvm::MetadataLoader::parseMetadata(bool)
> /tmp/llvm-130/llvm/lib/Bitcode/Reader/MetadataLoader.cpp:2319:1
> #15 0x00007f91dc09b362 llvm::Error::setChecked(bool)
> /tmp/llvm-130/llvm/include/llvm/Support/Error.h:305:22
> #16 0x00007f91dc09b362 llvm::Error::operator bool()
> /tmp/llvm-130/llvm/include/llvm/Support/Error.h:236:15
> #17 0x00007f91dc09b362 (anonymous
> namespace)::BitcodeReader::parseModule(unsigned long, bool,
> llvm::function_ref<llvm::Optional<std::__cxx11::basic_string<char,
> std::char_traits<char>, std::allocator<char> > > (llvm::StringRef)>)
> /tmp/llvm-130/llvm/lib/Bitcode/Reader/BitcodeReader.cpp:3612:56
> #18 0x00007f91dc0a81db llvm::Error::setChecked(bool)
> /tmp/llvm-130/llvm/include/llvm/Support/Error.h:305:22
> #19 0x00007f91dc0a81db llvm::Error::operator bool()
> /tmp/llvm-130/llvm/include/llvm/Support/Error.h:236:15
> #20 0x00007f91dc0a81db
> llvm::BitcodeModule::getModuleImpl(llvm::LLVMContext&, bool, bool, bool,
> llvm::function_ref<llvm::Optional<std::__cxx11::basic_string<char,
> std::char_traits<char>, std::allocator<char> > > (llvm::StringRef)>)
> /tmp/llvm-130/llvm/lib/Bitcode/Reader/BitcodeReader.cpp:6790:71
> #21 0x00007f91dc0a84f5
> llvm::Expected<llvm::BitcodeModule>::assertIsChecked() const
> /tmp/llvm-130/llvm/include/llvm/Support/Error.h:708:9
> #22 0x00007f91dc0a84f5 llvm::Expected<llvm::BitcodeModule>::~Expected()
> /tmp/llvm-130/llvm/include/llvm/Support/Error.h:554:20
> #23 0x00007f91dc0a84f5 llvm::parseBitcodeFile(llvm::MemoryBufferRef,
> llvm::LLVMContext&,
> llvm::function_ref<llvm::Optional<std::__cxx11::basic_string<char,
> std::char_traits<char>, std::allocator<char> > > (llvm::StringRef)>)
> /tmp/llvm-130/llvm/lib/Bitcode/Reader/BitcodeReader.cpp:6990:1
> #24 0x00007f91db70abc9 llvm::Expected<std::unique_ptr<llvm::Module,
> std::default_delete<llvm::Module> > >::takeError()
> /tmp/llvm-130/llvm/include/llvm/Support/Error.h:592:15
> #25 0x00007f91db70abc9 llvm::parseIR(llvm::MemoryBufferRef,
> llvm::SMDiagnostic&, llvm::LLVMContext&,
> llvm::function_ref<llvm::Optional<std::__cxx11::basic_string<char,
> std::char_traits<char>, std::allocator<char> > > (llvm::StringRef)>)
> /tmp/llvm-130/llvm/lib/IRReader/IRReader.cpp:78:41
> #26 0x00007f91db70b732 llvm::parseIRFile(llvm::StringRef,
> llvm::SMDiagnostic&, llvm::LLVMContext&,
> llvm::function_ref<llvm::Optional<std::__cxx11::basic_string<char,
> std::char_traits<char>, std::allocator<char> > > (llvm::StringRef)>)
> /tmp/llvm-130/llvm/lib/IRReader/IRReader.cpp:103:36
> #27 0x000055bb60a352dc loadModule(llvm::StringRef,
> llvm::orc::ThreadSafeContext) (/tmp/llvm-130-install_O_D_A/bin/lli+0x212dc)
> #28 0x000055bb60a48bbc runOrcJIT(char const*)
> (/tmp/llvm-130-install_O_D_A/bin/lli+0x34bbc)
> #29 0x000055bb60a280b7 main (/tmp/llvm-130-install_O_D_A/bin/lli+0x140b7)
> #30 0x00007f91da95ad90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
> #31 0x00007f91da95ae40 __libc_start_main
> (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
> #32 0x000055bb60a2a4a5 _start (/tmp/llvm-130-install_O_D_A/bin/lli+0x164a5)
> Aborted (core dumped)
>
> I am not sure what my next step should be, any help is appreciated.
>
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