| Issue |
132610
|
| Summary |
[Flang][OpenMP] Assertion `!teamsOp.getRegion().empty() && teamsOp.getRegion().getBlocks().size() == 1' failed.
|
| Labels |
|
| Assignees |
|
| Reporter |
k-arrows
|
Reproducer:
```f90
integer :: n
!$omp teams
n = 2
if (n >= 2) &
error stop
!$omp end teams
end
```
Stack dump:
```console
flang: /path_to_llvm_project/llvm-project/flang/lib/Optimizer/OpenMP/GenericLoopConversion.cpp:402: static mlir::omp::LoopOp (anonymous namespace)::ReductionsHoistingPattern::tryToFindNestedLoopWithReduction(mlir::omp::TeamsOp): Assertion `!teamsOp.getRegion().empty() && teamsOp.getRegion().getBlocks().size() == 1' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
#0 0x00007f8afe01b0d7 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int)
#1 0x00007f8afe018c6e llvm::sys::RunSignalHandlers()
#2 0x00007f8afe01b7a5 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#3 0x00007f8afd940520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#4 0x00007f8afd9949fc __pthread_kill_implementation ./nptl/pthread_kill.c:44:76
#5 0x00007f8afd9949fc __pthread_kill_internal ./nptl/pthread_kill.c:78:10
#6 0x00007f8afd9949fc pthread_kill ./nptl/pthread_kill.c:89:10
#7 0x00007f8afd940476 gsignal ./signal/../sysdeps/posix/raise.c:27:6
#8 0x00007f8afd9267f3 abort ./stdlib/abort.c:81:7
#9 0x00007f8afd92671b _nl_load_domain ./intl/loadmsgcat.c:1177:9
#10 0x00007f8afd937e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#11 0x00007f8af96c382d (anonymous namespace)::ReductionsHoistingPattern::tryToFindNestedLoopWithReduction(mlir::omp::TeamsOp) GenericLoopConversion.cpp:0:0
#12 0x00007f8af96c8e14 std::_Function_handler<std::optional<bool> (mlir::Operation*), std::enable_if<!std::is_invocable_v<(anonymous namespace)::GenericLoopConversionPass::runOnOperation()::'lambda'(mlir::omp::TeamsOp), mlir::Operation*>, void>::type mlir::ConversionTarget::addDynamicallyLegalOp<mlir::omp::TeamsOp, (anonymous namespace)::GenericLoopConversionPass::runOnOperation()::'lambda'(mlir::omp::TeamsOp)>((anonymous namespace)::GenericLoopConversionPass::runOnOperation()::'lambda'(mlir::omp::TeamsOp)&&)::'lambda'(mlir::Operation*)>::_M_invoke(std::_Any_data const&, mlir::Operation*&&) GenericLoopConversion.cpp:0:0
#13 0x00007f8af23f8b2d mlir::ConversionTarget::isLegal(mlir::Operation*) const
#14 0x00007f8af240bd19 mlir::WalkResult llvm::function_ref<mlir::WalkResult (mlir::Operation*)>::callback_fn<mlir::OperationConverter::convertOperations(llvm::ArrayRef<mlir::Operation*>)::$_6>(long, mlir::Operation*) DialectConversion.cpp:0:0
#15 0x00007f8af240ad8c mlir::WalkResult mlir::detail::walk<mlir::ForwardDominanceIterator<false>>(mlir::Operation*, llvm::function_ref<mlir::WalkResult (mlir::Operation*)>, mlir::WalkOrder)
#16 0x00007f8af240ac08 mlir::WalkResult mlir::detail::walk<mlir::ForwardDominanceIterator<false>>(mlir::Operation*, llvm::function_ref<mlir::WalkResult (mlir::Operation*)>, mlir::WalkOrder)
#17 0x00007f8af23f4c09 mlir::OperationConverter::convertOperations(llvm::ArrayRef<mlir::Operation*>)
#18 0x00007f8af23fb54e mlir::applyFullConversion(mlir::Operation*, mlir::ConversionTarget const&, mlir::FrozenRewritePatternSet const&, mlir::ConversionConfig)
#19 0x00007f8af96c2480 (anonymous namespace)::GenericLoopConversionPass::runOnOperation() GenericLoopConversion.cpp:0:0
#20 0x00007f8afae93a57 mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int)
#21 0x00007f8afae942c1 mlir::detail::OpToOpPassAdaptor::runPipeline(mlir::OpPassManager&, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int, mlir::PassInstrumentor*, mlir::PassInstrumentation::PipelineParentInfo const*)
#22 0x00007f8afae9bdce auto void mlir::parallelForEach<__gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>, mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::$_15>(mlir::MLIRContext*, __gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>, __gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>, mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::$_15&&)::'lambda'(__gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>&&)::operator()<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo&>(__gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>&&) const Pass.cpp:0:0
#23 0x00007f8afae9cd82 std::_Function_handler<void (), llvm::LogicalResult mlir::failableParallelForEach<__gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>, void mlir::parallelForEach<__gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>, mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::$_15>(mlir::MLIRContext*, __gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>, __gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>, mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::$_15&&)::'lambda'(__gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>&&)>(mlir::MLIRContext*, __gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>, __gnu_cxx::__normal_iterator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo*, std::vector<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo, std::allocator<mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::OpPMInfo>>>, mlir::detail::OpToOpPassAdaptor::runOnOperationAsyncImpl(bool)::$_15&&)::'lambda'()>::_M_invoke(std::_Any_data const&) Pass.cpp:0:0
#24 0x00007f8afdf227a8 std::_Function_handler<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> (), std::__future_base::_Task_setter<std::unique_ptr<std::__future_base::_Result<void>, std::__future_base::_Result_base::_Deleter>, std::thread::_Invoker<std::tuple<std::function<void ()>>>, void>>::_M_invoke(std::_Any_data const&)
#25 0x00007f8afdf22707 std::__future_base::_State_baseV2::_M_do_set(std::function<std::unique_ptr<std::__future_base::_Result_base, std::__future_base::_Result_base::_Deleter> ()>*, bool*)
#26 0x00007f8afd997ee8 __pthread_once_slow ./nptl/pthread_once.c:118:7
#27 0x00007f8afdf22ad1 std::__future_base::_Deferred_state<std::thread::_Invoker<std::tuple<std::function<void ()>>>, void>::_M_complete_async()
#28 0x00007f8afae9cb6c std::_Function_handler<void (), std::shared_future<void> llvm::ThreadPoolInterface::asyncImpl<void>(std::function<void ()>, llvm::ThreadPoolTaskGroup*)::'lambda'()>::_M_invoke(std::_Any_data const&)
#29 0x00007f8afdfb92d5 llvm::StdThreadPool::processTasks(llvm::ThreadPoolTaskGroup*)
#30 0x00007f8afdfba967 void* llvm::thread::ThreadProxy<std::tuple<llvm::StdThreadPool::grow(int)::$_0>>(void*) ThreadPool.cpp:0:0
#31 0x00007f8afd992ac3 start_thread ./nptl/pthread_create.c:442:8
#32 0x00007f8afda24850 ./misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:83:0
flang-21: error: unable to execute command: Aborted (core dumped)
flang-21: error: flang frontend command failed due to signal (use -v to see invocation)
flang version 21.0.0git (https://github.com/llvm/llvm-project.git 417390d77d6f828a2f2341e0565784c677ef13ab)
Target: x86_64-unknown-linux-gnu
Thread model: posix
```
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