llc: /home/dianqk/llvm/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:5786: SDValue llvm::SelectionDAG::getNode(unsigned int, const SDLoc &, EVT, SDValue, const SDNodeFlags): Assertion `VT.isVector() == N1.getValueType().isVector() && "TRUNCATE result type type should be vector iff the operand " "type is vector!"' failed. PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace. Stack dump: 0. Program arguments: ../llvm-project/build/bin/llc foo.ll 1. Running pass 'Function Pass Manager' on module 'foo.ll'. 2. Running pass 'AArch64 Instruction Selection' on function '@foo' #0 0x0000556ff83f71ea ___interceptor_backtrace.part.0 (../llvm-project/build/bin/llc+0xe91ea) #1 0x00007fe4460288c1 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/dianqk/llvm/llvm-project/llvm/lib/Support/Unix/Signals.inc:723:13 #2 0x00007fe446029a2e llvm::sys::RunSignalHandlers() /home/dianqk/llvm/llvm-project/llvm/lib/Support/Signals.cpp:0:5 #3 0x00007fe446029a2e SignalHandler(int) /home/dianqk/llvm/llvm-project/llvm/lib/Support/Unix/Signals.inc:403:3 #4 0x00007fe44ac54eb0 __restore_rt (/nix/store/7jiqcrg061xi5clniy7z5pvkc4jiaqav-glibc-2.38-27/lib/libc.so.6+0x3deb0) #5 0x00007fe44aca402c __pthread_kill_implementation (/nix/store/7jiqcrg061xi5clniy7z5pvkc4jiaqav-glibc-2.38-27/lib/libc.so.6+0x8d02c) #6 0x00007fe44ac54e06 gsignal (/nix/store/7jiqcrg061xi5clniy7z5pvkc4jiaqav-glibc-2.38-27/lib/libc.so.6+0x3de06) #7 0x00007fe44ac3d8f5 abort (/nix/store/7jiqcrg061xi5clniy7z5pvkc4jiaqav-glibc-2.38-27/lib/libc.so.6+0x268f5) #8 0x00007fe44ac3d819 _nl_load_domain.cold (/nix/store/7jiqcrg061xi5clniy7z5pvkc4jiaqav-glibc-2.38-27/lib/libc.so.6+0x26819) #9 0x00007fe44ac4d686 (/nix/store/7jiqcrg061xi5clniy7z5pvkc4jiaqav-glibc-2.38-27/lib/libc.so.6+0x36686) #10 0x00007fe44e60ec7f llvm::SelectionDAG::getNode(unsigned int, llvm::SDLoc const&, llvm::EVT, llvm::SDValue, llvm::SDNodeFlags) /home/dianqk/llvm/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:5784:5 #11 0x00007fe44e5b719d llvm::SelectionDAG::getNode(unsigned int, llvm::SDLoc const&, llvm::EVT, llvm::SDValue) /home/dianqk/llvm/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:5605:10 #12 0x00007fe44e5b719d llvm::SelectionDAG::getZExtOrTrunc(llvm::SDValue, llvm::SDLoc const&, llvm::EVT) /home/dianqk/llvm/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp:1464:5 #13 0x00007fe45441467f replaceBoolVectorBitcast(llvm::SDNode*, llvm::SmallVectorImpl<llvm::SDValue>&, llvm::SelectionDAG&) /home/dianqk/llvm/llvm-project/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp:0:27 #14 0x00007fe45441467f llvm::AArch64TargetLowering::ReplaceBITCASTResults(llvm::SDNode*, llvm::SmallVectorImpl<llvm::SDValue>&, llvm::SelectionDAG&) const /home/dianqk/llvm/llvm-project/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp:24619:12 #15 0x00007fe454418b7a llvm::AArch64TargetLowering::ReplaceNodeResults(llvm::SDNode*, llvm::SmallVectorImpl<llvm::SDValue>&, llvm::SelectionDAG&) const /home/dianqk/llvm/llvm-project/llvm/lib/Target/AArch64/AArch64ISelLowering.cpp:0:5 #16 0x00007fe44e2cf55f llvm::DAGTypeLegalizer::CustomLowerNode(llvm::SDNode*, llvm::EVT, bool) /home/dianqk/llvm/llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp:0:0 #17 0x00007fe44e201ad4 llvm::DAGTypeLegalizer::PromoteIntegerResult(llvm::SDNode*, unsigned int) /home/dianqk/llvm/llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp:46:7 #18 0x00007fe44e2c33b9 llvm::DAGTypeLegalizer::run() /home/dianqk/llvm/llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp:0:9 #19 0x00007fe44e2d3982 llvm::SelectionDAG::LegalizeTypes() /home/dianqk/llvm/llvm-project/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp:0:34 #20 0x00007fe44e6fffcf llvm::SelectionDAGISel::CodeGenAndEmitDAG() /home/dianqk/llvm/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:0:23 #21 0x00007fe44e6fe50e llvm::SelectionDAGISel::SelectBasicBlock(llvm::ilist_iterator_w_bits<llvm::ilist_detail::node_options<llvm::Instruction, true, false, void, true>, false, true>, llvm::ilist_iterator_w_bits<llvm::ilist_detail::node_options<llvm::Instruction, true, false, void, true>, false, true>, bool&) /home/dianqk/llvm/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:0:3 #22 0x00007fe44e6fa8ee llvm::SelectionDAGISel::SelectAllBasicBlocks(llvm::Function const&) /home/dianqk/llvm/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:1511:8 #23 0x00007fe44e6ef0bb llvm::SelectionDAGISel::runOnMachineFunction(llvm::MachineFunction&) /home/dianqk/llvm/llvm-project/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp:517:7 #24 0x00007fe44cb174a4 llvm::MachineFunctionPass::runOnFunction(llvm::Function&) /home/dianqk/llvm/llvm-project/llvm/lib/CodeGen/MachineFunctionPass.cpp:0:13 #25 0x00007fe446f13795 llvm::FPPassManager::runOnFunction(llvm::Function&) /home/dianqk/llvm/llvm-project/llvm/lib/IR/LegacyPassManager.cpp:1455:11 #26 0x00007fe446f2bd24 llvm::ilist_iterator<llvm::ilist_detail::node_options<llvm::Function, true, false, void, false>, false, false>::operator++() /home/dianqk/llvm/llvm-project/llvm/include/llvm/ADT/ilist_iterator.h:157:48 #27 0x00007fe446f2bd24 llvm::FPPassManager::runOnModule(llvm::Module&) /home/dianqk/llvm/llvm-project/llvm/lib/IR/LegacyPassManager.cpp:1490:20 #28 0x00007fe446f14680 (anonymous namespace)::MPPassManager::runOnModule(llvm::Module&) /home/dianqk/llvm/llvm-project/llvm/lib/IR/LegacyPassManager.cpp:0:27 #29 0x00007fe446f14680 llvm::legacy::PassManagerImpl::run(llvm::Module&) /home/dianqk/llvm/llvm-project/llvm/lib/IR/LegacyPassManager.cpp:542:44 #30 0x0000556ff84e54b5 compileModule(char**, llvm::LLVMContext&) /home/dianqk/llvm/llvm-project/llvm/tools/llc/llc.cpp:0:8 #31 0x0000556ff84de6d0 main /home/dianqk/llvm/llvm-project/llvm/tools/llc/llc.cpp:408:13 #32 0x00007fe44ac3f0ce __libc_start_call_main (/nix/store/7jiqcrg061xi5clniy7z5pvkc4jiaqav-glibc-2.38-27/lib/libc.so.6+0x280ce) #33 0x00007fe44ac3f189 __libc_start_main@GLIBC_2.2.5 (/nix/store/7jiqcrg061xi5clniy7z5pvkc4jiaqav-glibc-2.38-27/lib/libc.so.6+0x28189) #34 0x0000556ff83a50c5 _start (../llvm-project/build/bin/llc+0x970c5) zsh: IOT instruction (core dumped) ../llvm-project/build/bin/llc foo.ll