https://llvm.org/bugs/show_bug.cgi?id=30777
Bug ID: 30777 Summary: Assertion `DestBits == SrcBits && "Illegal cast to vector (wrong type or size)"' failed Product: clang Version: trunk Hardware: PC OS: Linux Status: NEW Severity: normal Priority: P Component: -New Bugs Assignee: unassignedclangb...@nondot.org Reporter: vsevolod.livins...@frtk.ru CC: llvm-bugs@lists.llvm.org Classification: Unclassified Created attachment 17481 --> https://llvm.org/bugs/attachment.cgi?id=17481&action=edit Reproducer. Assertion `DestBits == SrcBits && "Illegal cast to vector (wrong type or size)"' failed. =============================================================================== Reproducer: int a; int b[8]; void c() { for (int d = 0; d < 4; d = d + 1) for (int e = 0; e < a; e = e + 1) for (int f = 0; f < 6; f = f + 1) b[e * 9 + f] = 60118938621769210; } =============================================================================== LLVM version: clang version 4.0.0 (trunk 284990) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /home/vlivinsk/workspace/llvm/bin-trunk//bin Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.4.0 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6 Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/6.0.0 Selected GCC installation: /usr/lib/gcc/x86_64-linux-gnu/5.4.0 Candidate multilib: .;@m64 Selected multilib: .;@m64 =============================================================================== Error: >$ clang++ -std=c++11 -O3 -march=knl -o small.o -c small.cpp clang-4.0: /home/vlivinsk/workspace/llvm/llvm-trunk/lib/IR/Instructions.cpp:3001: static llvm::Instruction::CastOps llvm::CastInst::getCastOpcode(const llvm::Value*, bool, llvm::Type*, bool): Assertion `DestBits == SrcBits && "Illegal cast to vector (wrong type or size)"' failed. #0 0x00000000014298b8 llvm::sys::PrintStackTrace(llvm::raw_ostream&) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x14298b8) #1 0x000000000142750e llvm::sys::RunSignalHandlers() (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x142750e) #2 0x0000000001427682 SignalHandler(int) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x1427682) #3 0x00007fde11aa03d0 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x113d0) #4 0x00007fde10c56418 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x35418) #5 0x00007fde10c5801a abort (/lib/x86_64-linux-gnu/libc.so.6+0x3701a) #6 0x00007fde10c4ebd7 (/lib/x86_64-linux-gnu/libc.so.6+0x2dbd7) #7 0x00007fde10c4ec82 (/lib/x86_64-linux-gnu/libc.so.6+0x2dc82) #8 0x000000000101e048 llvm::CastInst::getCastOpcode(llvm::Value const*, bool, llvm::Type*, bool) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x101e048) #9 0x0000000000b7f70a (anonymous namespace)::SymbolicallyEvaluateGEP(llvm::GEPOperator const*, llvm::ArrayRef<llvm::Constant*>, llvm::DataLayout const&, llvm::TargetLibraryInfo const*) [clone .constprop.283] (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0xb7f70a) #10 0x0000000000b807e1 (anonymous namespace)::ConstantFoldInstOperandsImpl(llvm::Value const*, unsigned int, llvm::ArrayRef<llvm::Constant*>, llvm::DataLayout const&, llvm::TargetLibraryInfo const*) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0xb807e1) #11 0x0000000000b812bf llvm::ConstantFoldInstruction(llvm::Instruction*, llvm::DataLayout const&, llvm::TargetLibraryInfo const*) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0xb812bf) #12 0x0000000001107ae4 AddReachableCodeToWorklist(llvm::BasicBlock*, llvm::DataLayout const&, llvm::SmallPtrSetImpl<llvm::BasicBlock*>&, llvm::InstCombineWorklist&, llvm::TargetLibraryInfo const*) [clone .constprop.752] (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x1107ae4) #13 0x0000000001108726 combineInstructionsOverFunction(llvm::Function&, llvm::InstCombineWorklist&, llvm::AAResults*, llvm::AssumptionCache&, llvm::TargetLibraryInfo&, llvm::DominatorTree&, bool, llvm::LoopInfo*) [clone .constprop.750] (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x1108726) #14 0x0000000001108c70 llvm::InstructionCombiningPass::runOnFunction(llvm::Function&) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x1108c70) #15 0x000000000103f803 llvm::FPPassManager::runOnFunction(llvm::Function&) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x103f803) #16 0x000000000103f8cc llvm::FPPassManager::runOnModule(llvm::Module&) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x103f8cc) #17 0x000000000103f36d llvm::legacy::PassManagerImpl::run(llvm::Module&) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x103f36d) #18 0x00000000015b34a4 clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::DataLayout const&, llvm::Module*, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream> >) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x15b34a4) #19 0x0000000001be2623 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x1be2623) #20 0x0000000001fc4f38 clang::ParseAST(clang::Sema&, bool, bool) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x1fc4f38) #21 0x0000000001bdda69 clang::CodeGenAction::ExecuteAction() (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x1bdda69) #22 0x00000000018eee16 clang::FrontendAction::Execute() (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x18eee16) #23 0x00000000018c1146 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x18c1146) #24 0x00000000019748a2 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x19748a2) #25 0x000000000091d048 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x91d048) #26 0x00000000008dfa54 main (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x8dfa54) #27 0x00007fde10c41830 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x20830) #28 0x0000000000919a19 _start (/home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0+0x919a19) Stack dump: 0. Program arguments: /home/vlivinsk/workspace/llvm/bin-trunk/bin/clang-4.0 -cc1 -triple x86_64-unknown-linux-gnu -emit-obj -disable-free -main-file-name small.cpp -mrelocation-model static -mthread-model posix -fmath-errno -masm-verbose -mconstructor-aliases -munwind-tables -fuse-init-array -target-cpu knl -momit-leaf-frame-pointer -dwarf-column-info -debugger-tuning=gdb -coverage-notes-file /home/vlivinsk/workspace/yarpgen/found/loop/clang/S_1641522603/small.gcno -resource-dir /home/vlivinsk/workspace/llvm/bin-trunk/bin/../lib/clang/4.0.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/5.4.0/../../../../include/c++/5.4.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/5.4.0/../../../../include/x86_64-linux-gnu/c++/5.4.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/5.4.0/../../../../include/x86_64-linux-gnu/c++/5.4.0 -internal-isystem /usr/lib/gcc/x86_64-linux-gnu/5.4.0/../../../../include/c++/5.4.0/backward -internal-isystem /usr/local/include -internal-isystem /home/vlivinsk/workspace/llvm/bin-trunk/bin/../lib/clang/4.0.0/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O3 -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /home/vlivinsk/workspace/yarpgen/found/loop/clang/S_1641522603 -ferror-limit 19 -fmessage-length 172 -fobjc-runtime=gcc -fcxx-exceptions -fexceptions -fdiagnostics-show-option -vectorize-loops -vectorize-slp -o small.o -x c++ small.cpp 1. <eof> parser at end of file 2. Per-module optimization passes 3. Running pass 'Function Pass Manager' on module 'small.cpp'. 4. Running pass 'Combine redundant instructions' on function '@_Z1cv' clang-4.0: error: unable to execute command: Aborted (core dumped) clang-4.0: error: clang frontend command failed due to signal (use -v to see invocation) clang version 4.0.0 (trunk 284990) Target: x86_64-unknown-linux-gnu Thread model: posix InstalledDir: /home/vlivinsk/workspace/llvm/bin-trunk//bin clang-4.0: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and associated run script. clang-4.0: note: diagnostic msg: ******************** PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT: Preprocessed source(s) and associated run script(s) are located at: clang-4.0: note: diagnostic msg: /tmp/small-b96e99.cpp clang-4.0: note: diagnostic msg: /tmp/small-b96e99.sh clang-4.0: note: diagnostic msg: ******************** -- You are receiving this mail because: You are on the CC list for the bug.
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