mikaelholmen wrote: > Hi @aeubanks > > The following starts crashing with this patch: > > ``` > opt -passes="require<no-op-loop>" require.ll -o /dev/null > ``` > > It fails with > > ``` > opt: [...]/llvm/lib/Transforms/Scalar/LoopPassManager.cpp:266: auto > llvm::FunctionToLoopPassAdaptor::run(Function &, FunctionAnalysisManager > &)::(anonymous class)::operator()(StringRef, Any) const: Assertion > `L->isRecursivelyLCSSAForm(LAR.DT, LI) && "Loops must remain in LCSSA form!"' > failed. > PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ > and include the crash backtrace and instructions to reproduce the bug. > Stack dump: > 0. Program arguments: build-all/bin/opt -passes=require<no-op-loop> > require.ll -o /dev/null > 1. Running pass "function(loop(require<no-op-loop>))" on module > "require.ll" > 2. Running pass "loop(require<no-op-loop>)" on function "foo" > #0 0x000056123edef266 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) > (build-all/bin/opt+0x5209266) > #1 0x000056123edebed1 llvm::sys::RunSignalHandlers() > (build-all/bin/opt+0x5205ed1) > #2 0x000056123edf04b9 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0 > #3 0x00007f9e8757e990 __restore_rt (/lib64/libpthread.so.0+0x12990) > #4 0x00007f9e84f1e5af raise (/lib64/libc.so.6+0x4e5af) > #5 0x00007f9e84ef1ee5 abort (/lib64/libc.so.6+0x21ee5) > #6 0x00007f9e84ef1db9 _nl_load_domain.cold.0 (/lib64/libc.so.6+0x21db9) > #7 0x00007f9e84f16f06 (/lib64/libc.so.6+0x46f06) > #8 0x000056124068f773 (build-all/bin/opt+0x6aa9773) > #9 0x000056124068eebc bool > llvm::PassInstrumentation::runBeforePass<llvm::Loop, > llvm::detail::PassConcept<llvm::Loop, llvm::AnalysisManager<llvm::Loop, > llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, > llvm::LPMUpdater&>>(llvm::detail::PassConcept<llvm::Loop, > llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, > llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&> const&, llvm::Loop > const&) const LoopPassManager.cpp:0:0 > #10 0x000056124068d46d std::optional<llvm::PreservedAnalyses> > llvm::PassManager<llvm::Loop, llvm::AnalysisManager<llvm::Loop, > llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, > llvm::LPMUpdater&>::runSinglePass<llvm::Loop, > std::unique_ptr<llvm::detail::PassConcept<llvm::Loop, > llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, > llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>, > std::default_delete<llvm::detail::PassConcept<llvm::Loop, > llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, > llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>>>>(llvm::Loop&, > std::unique_ptr<llvm::detail::PassConcept<llvm::Loop, > llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, > llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>, > std::default_delete<llvm::detail::PassConcept<llvm::Loop, > llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, > llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>>>&, > llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>&, > llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&, > llvm::PassInstrumentation&) (build-all/bin/opt+0x6aa746d) > #11 0x000056124068d0d3 llvm::PassManager<llvm::Loop, > llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, > llvm::LoopStandardAnalysisResults&, > llvm::LPMUpdater&>::runWithoutLoopNestPasses(llvm::Loop&, > llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>&, > llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&) > (build-all/bin/opt+0x6aa70d3) > #12 0x000056124068c5d4 llvm::PassManager<llvm::Loop, > llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, > llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>::run(llvm::Loop&, > llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>&, > llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&) > (build-all/bin/opt+0x6aa65d4) > #13 0x000056124036754d llvm::detail::PassModel<llvm::Loop, > llvm::PassManager<llvm::Loop, llvm::AnalysisManager<llvm::Loop, > llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, > llvm::LPMUpdater&>, llvm::AnalysisManager<llvm::Loop, > llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, > llvm::LPMUpdater&>::run(llvm::Loop&, llvm::AnalysisManager<llvm::Loop, > llvm::LoopStandardAnalysisResults&>&, llvm::LoopStandardAnalysisResults&, > llvm::LPMUpdater&) PassBuilderPipelines.cpp:0:0 > #14 0x000056124068e3a0 llvm::FunctionToLoopPassAdaptor::run(llvm::Function&, > llvm::AnalysisManager<llvm::Function>&) (build-all/bin/opt+0x6aa83a0) > #15 0x000056124036a0cd llvm::detail::PassModel<llvm::Function, > llvm::FunctionToLoopPassAdaptor, > llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, > llvm::AnalysisManager<llvm::Function>&) PassBuilderPipelines.cpp:0:0 > #16 0x000056123f024595 llvm::PassManager<llvm::Function, > llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, > llvm::AnalysisManager<llvm::Function>&) (build-all/bin/opt+0x543e595) > #17 0x000056124036bdad llvm::detail::PassModel<llvm::Function, > llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>, > llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, > llvm::AnalysisManager<llvm::Function>&) PassBuilderPipelines.cpp:0:0 > #18 0x000056123f028e3e llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, > llvm::AnalysisManager<llvm::Module>&) (build-all/bin/opt+0x5442e3e) > #19 0x00005612402f91bd llvm::detail::PassModel<llvm::Module, > llvm::ModuleToFunctionPassAdaptor, > llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, > llvm::AnalysisManager<llvm::Module>&) NewPMDriver.cpp:0:0 > #20 0x000056123f023295 llvm::PassManager<llvm::Module, > llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, > llvm::AnalysisManager<llvm::Module>&) (build-all/bin/opt+0x543d295) > #21 0x00005612402f16d5 llvm::runPassPipeline(llvm::StringRef, llvm::Module&, > llvm::TargetMachine*, llvm::TargetLibraryInfoImpl*, llvm::ToolOutputFile*, > llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::StringRef, > llvm::ArrayRef<llvm::PassPlugin>, llvm::ArrayRef<std::function<void > (llvm::PassBuilder&)>>, llvm::opt_tool::OutputKind, > llvm::opt_tool::VerifierKind, bool, bool, bool, bool, bool, bool, bool, bool) > (build-all/bin/opt+0x670b6d5) > #22 0x000056123ed8daf0 optMain (build-all/bin/opt+0x51a7af0) > #23 0x00007f9e84f0a865 __libc_start_main (/lib64/libc.so.6+0x3a865) > #24 0x000056123ed8b06e _start (build-all/bin/opt+0x51a506e) > Abort (core dumped) > ``` > > Is this as expected? > > [require.ll.gz](https://github.com/user-attachments/files/27470992/require.ll.gz) > > https://godbolt.org/z/6fsYKv7ej
It crashes also with ``` opt -passes="loop(invalidate<all>)" require.ll -o /dev/null ``` https://godbolt.org/z/Te7eThfbo https://github.com/llvm/llvm-project/pull/192120 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
