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Если в анализируемой программе есть запись в массив с ключевым словом volatile, то tsar падает.
volatile
volatile.c
int main() { volatile int a[5]; a[0] = 10; return 0; }
tsar volatile.c --print-all
Printing analysis 'Array Access Delinearizer' for function 'main': {"Accesses":{" %1 = alloca [5 x i32], align 16":[[["0","0"]]]},"Sizes":{" %1 = alloca [5 x i32], align 16":["5"]},"IsDelinearized":1} Printing analysis 'Private Variable Analysis' for function 'main': Printing analysis 'Dependency Analysis (Metadata)' for function 'main': Printing analysis 'Not Initialized Memory Checker (Metadata)' for function 'main': Printing analysis 'Array Accesses Collector (Metadata, Wrapper)': Printing analysis 'High and Low Level Expression Matcher (Clang)' for function 'main': volatile.c:3:10 BinaryOperator '=' store volatile i32 10, ptr %2, align 16, !dbg !28, !tbaa !29 volatile.c:5:5 ReturnStmt ret i32 0, !dbg !34 Printing analysis 'Canonical Form Loop Analysis' for function 'main': Printing analysis 'nocapture': [NOCAPTURE] [main] tsar: /home/mishapankin/Work/sapfor/analyzers/tsar/lib/Analysis/Memory/DIEstimateMemory.cpp:2215: llvm::Optional<tsar::DIMemoryLocation> tsar::buildDIMemory(const llvm::MemoryLocation&, llvm::LLVMContext&, const llvm::DataLayout&, const llvm::DominatorTree&): Assertion `LastDwarfOp == dwarf::DW_OP_plus_uconst && "Unknown DWARF operand!"' failed. #0 0x00005646cf7f13b1 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/mishapankin/Work/sapfor/build/analyzers/tsar/bin/tsar+0x23cc3b1) #1 0x00005646cf7ef0cc llvm::sys::RunSignalHandlers() (/home/mishapankin/Work/sapfor/build/analyzers/tsar/bin/tsar+0x23ca0cc) #2 0x00005646cf7f18db SignalHandler(int) Signals.cpp.o:0:0 #3 0x00007f7eea642520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520) #4 0x00007f7eea696a7c __pthread_kill_implementation ./nptl/./nptl/pthread_kill.c:44:76 #5 0x00007f7eea696a7c __pthread_kill_internal ./nptl/./nptl/pthread_kill.c:78:10 #6 0x00007f7eea696a7c pthread_kill ./nptl/./nptl/pthread_kill.c:89:10 #7 0x00007f7eea642476 gsignal ./signal/../sysdeps/posix/raise.c:27:6 #8 0x00007f7eea6287f3 abort ./stdlib/./stdlib/abort.c:81:7 #9 0x00007f7eea62871b _nl_load_domain ./intl/./intl/loadmsgcat.c:1177:9 #10 0x00007f7eea639e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96) #11 0x00005646d0fb3fb4 tsar::buildDIMemory(llvm::MemoryLocation const&, llvm::LLVMContext&, llvm::DataLayout const&, llvm::DominatorTree const&) /home/mishapankin/Work/sapfor/analyzers/tsar/lib/Analysis/Memory/DIEstimateMemory.cpp:2216:21 #12 0x00005646d0fb4452 tsar::buildDIMemoryWithNewSize(tsar::EstimateMemory const&, llvm::LocationSize, llvm::LLVMContext&, tsar::DIMemoryEnvironment&, llvm::DataLayout const&, llvm::DominatorTree const&) /home/mishapankin/Work/sapfor/analyzers/tsar/lib/Analysis/Memory/DIEstimateMemory.cpp:2253:29 #13 0x00005646d0fb434c tsar::buildDIMemory(tsar::EstimateMemory const&, llvm::LLVMContext&, tsar::DIMemoryEnvironment&, llvm::DataLayout const&, llvm::DominatorTree const&) /home/mishapankin/Work/sapfor/analyzers/tsar/lib/Analysis/Memory/DIEstimateMemory.cpp:2245:69 #14 0x00005646d0fab0a2 (anonymous namespace)::buildDIAliasTree(llvm::DataLayout const&, llvm::DominatorTree const&, tsar::DIMemoryEnvironment&, llvm::DenseMap<llvm::Value const*, long, llvm::DenseMapInfo<llvm::Value const*, void>, llvm::detail::DenseMapPair<llvm::Value const*, long> > const&, tsar::CorruptedMemoryResolver&, tsar::DIAliasTree&, tsar::AliasNode&, tsar::DIAliasNode&, llvm::DenseMap<tsar::CorruptedMemoryItem*, tsar::DIAliasNode*, llvm::DenseMapInfo<tsar::CorruptedMemoryItem*, void>, llvm::detail::DenseMapPair<tsar::CorruptedMemoryItem*, tsar::DIAliasNode*> >&) /home/mishapankin/Work/sapfor/analyzers/tsar/lib/Analysis/Memory/DIEstimateMemory.cpp:865:79 #15 0x00005646d0fb5e5a llvm::DIEstimateMemoryPass::runOnFunction(llvm::Function&) /home/mishapankin/Work/sapfor/analyzers/tsar/lib/Analysis/Memory/DIEstimateMemory.cpp:2471:21 #16 0x00005646cf64b5d2 llvm::FPPassManager::runOnFunction(llvm::Function&) (/home/mishapankin/Work/sapfor/build/analyzers/tsar/bin/tsar+0x22265d2) #17 0x00005646d2637ce2 (anonymous namespace)::CGPassManager::runOnModule(llvm::Module&) CallGraphSCCPass.cpp.o:0:0 #18 0x00005646cf64c176 llvm::legacy::PassManagerImpl::run(llvm::Module&) (/home/mishapankin/Work/sapfor/build/analyzers/tsar/bin/tsar+0x2227176) #19 0x00005646ce11d85c tsar::DefaultQueryManager::run(llvm::Module*, tsar::TransformationInfo*) /home/mishapankin/Work/sapfor/analyzers/tsar/lib/Core/Query.cpp:365:1 #20 0x00005646d0679a70 clang::AnalysisConsumer::HandleTranslationUnit(clang::ASTContext&) /home/mishapankin/Work/sapfor/analyzers/tsar/lib/Frontend/Clang/Action.cpp:135:5 #21 0x00005646ce5b3d4b clang::ParseAST(clang::Sema&, bool, bool) (/home/mishapankin/Work/sapfor/build/analyzers/tsar/bin/tsar+0x118ed4b) #22 0x00005646ce1f5417 clang::FrontendAction::Execute() (/home/mishapankin/Work/sapfor/build/analyzers/tsar/bin/tsar+0xdd0417) #23 0x00005646ce168036 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/home/mishapankin/Work/sapfor/build/analyzers/tsar/bin/tsar+0xd43036) #24 0x00005646ce13983c clang::tooling::FrontendActionFactory::runInvocation(std::shared_ptr<clang::CompilerInvocation>, clang::FileManager*, std::shared_ptr<clang::PCHContainerOperations>, clang::DiagnosticConsumer*) (/home/mishapankin/Work/sapfor/build/analyzers/tsar/bin/tsar+0xd1483c) #25 0x00005646ce13959f clang::tooling::ToolInvocation::runInvocation(char const*, clang::driver::Compilation*, std::shared_ptr<clang::CompilerInvocation>, std::shared_ptr<clang::PCHContainerOperations>) (/home/mishapankin/Work/sapfor/build/analyzers/tsar/bin/tsar+0xd1459f) #26 0x00005646ce13850f clang::tooling::ToolInvocation::run() (/home/mishapankin/Work/sapfor/build/analyzers/tsar/bin/tsar+0xd1350f) #27 0x00005646ce13b02e clang::tooling::ClangTool::run(clang::tooling::ToolAction*) (/home/mishapankin/Work/sapfor/build/analyzers/tsar/bin/tsar+0xd1602e) #28 0x00005646ce0db66c tsar::Tool::run(tsar::QueryManager*) /home/mishapankin/Work/sapfor/analyzers/tsar/lib/Core/Tool.cpp:844:16 #29 0x00005646ce0d24a6 main /home/mishapankin/Work/sapfor/analyzers/tsar/tools/tsar/main.cpp:42:22 #30 0x00007f7eea629d90 __libc_start_call_main ./csu/../sysdeps/nptl/libc_start_call_main.h:58:16 #31 0x00007f7eea629e40 call_init ./csu/../csu/libc-start.c:128:20 #32 0x00007f7eea629e40 __libc_start_main ./csu/../csu/libc-start.c:379:5 #33 0x00005646ce0d2325 _start (/home/mishapankin/Work/sapfor/build/analyzers/tsar/bin/tsar+0xcad325) PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace. Stack dump: 0. Program arguments: /home/mishapankin/Work/sapfor/build/analyzers/tsar/bin/tsar volatile.c --print-all 1. <eof> parser at end of file 2. Running pass 'CallGraph Pass Manager' on module '/home/mishapankin/Work/sapfor/example/volatile.c'. 3. Running pass 'Memory Estimator (Debug)' on function '@main'
The text was updated successfully, but these errors were encountered:
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Проблема
Если в анализируемой программе есть запись в массив с ключевым словом
volatile
, то tsar падает.Шаги для воспроизведения
volatile.c
Ошибка
The text was updated successfully, but these errors were encountered: