Hi, Alexandre Thank you for reporting this . From the callstack it does not seem related to this patch. Could you share the repro case @__compile.rsp temp.i with me? Thanks,
--Ten -----Original Message----- From: Alexandre Ganea via Phabricator <revi...@reviews.llvm.org> Sent: Tuesday, June 1, 2021 12:44 PM To: Ten Tzen <tent...@microsoft.com>; andrew.kay...@intel.com; r...@google.com; david.majne...@gmail.com; pengfei.w...@intel.com; eli.fried...@gmail.com; Joseph Tremoulet <jot...@microsoft.com>; aaron.lee.sm...@gmail.com; jdoerf...@anl.gov; lebedev...@gmail.com; rich...@metafoo.co.uk; aaron.ball...@gmail.com; rjmcc...@gmail.com; jan_svob...@apple.com Cc: markus.boec...@gmail.com; alexandre.ga...@ubisoft.com; reviews.llvm....@jfbastien.com; belli...@codingworkshop.eu.org; dexonsm...@apple.com; aeuba...@google.com; riccib...@gmail.com; dany.grumb...@gmail.com; nemanja.i....@gmail.com; kristof.be...@arm.com; kit.bar...@gmail.com; cfe-commits@lists.llvm.org; llvm-comm...@lists.llvm.org; bhuvanendra.kum...@amd.com; 8888...@gmail.com; dougp...@gmail.com; mlek...@skidmore.edu; blitzrak...@gmail.com; shen...@google.com; ztur...@roblox.com; yuanfang.c...@sony.com; david.gr...@arm.com; kuh...@google.com Subject: [EXTERNAL] [PATCH] D80344: [Windows SEH]: HARDWARE EXCEPTION HANDLING (MSVC -EHa) - Part 1 aganea added a comment. Hello, this patch introduces a regression in one of our codebases. The compilation of several TUs fails with the following callstack: PLEASE submit a bug report to https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugs.llvm.org%2F&data=04%7C01%7Ctentzen%40microsoft.com%7C0d1857a9e02f491b171a08d92535a510%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637581734644682500%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=aaj5xRDyKWxqKzJHHsxMLCxa%2BuEu%2FSuNy5X7%2FxTUuFs%3D&reserved=0 and include the crash backtrace, preprocessed source, and associated run script. Stack dump: 0. Program arguments: /media/project2/llvm-project/stage0/bin/clang-cl @__compile.rsp temp.i 1. <eof> parser at end of file 2. Optimizer #0 0x00000000043c2633 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /media/project2/llvm-project/llvm/lib/Support/Unix/Signals.inc:565:13 #1 0x00000000043c08f0 llvm::sys::RunSignalHandlers() /media/project2/llvm-project/llvm/lib/Support/Signals.cpp:77:18 #2 0x00000000043c1d7d llvm::sys::CleanupOnSignal(unsigned long) /media/project2/llvm-project/llvm/lib/Support/Unix/Signals.inc:0:3 #3 0x0000000004343206 (anonymous namespace)::CrashRecoveryContextImpl::HandleCrash(int, unsigned long) /media/project2/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:75:5 #4 0x0000000004343206 CrashRecoverySignalHandler(int) /media/project2/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:388:51 #5 0x00007f58152c4a90 __restore_rt sigaction.c:0:0 #6 0x0000000003c5c11f llvm::ilist_sentinel<llvm::ilist_detail::node_options<llvm::Instruction, false, false, void> >::empty() const /media/project2/llvm-project/llvm/include/llvm/ADT/ilist_node.h:248:36 #7 0x0000000003c5c11f llvm::simple_ilist<llvm::Instruction>::empty() const /media/project2/llvm-project/llvm/include/llvm/ADT/simple_ilist.h:131:55 #8 0x0000000003c5c11f llvm::BasicBlock::empty() const /media/project2/llvm-project/llvm/include/llvm/IR/BasicBlock.h:307:66 #9 0x0000000003c5c11f llvm::BasicBlock::removePredecessor(llvm::BasicBlock*, bool) /media/project2/llvm-project/llvm/lib/IR/BasicBlock.cpp:328:7 #10 0x0000000004432005 markAliveBlocks(llvm::Function&, llvm::SmallPtrSetImpl<llvm::BasicBlock*>&, llvm::DomTreeUpdater*) /media/project2/llvm-project/llvm/lib/Transforms/Utils/Local.cpp:2290:15 #11 0x0000000004432005 llvm::removeUnreachableBlocks(llvm::Function&, llvm::DomTreeUpdater*, llvm::MemorySSAUpdater*) /media/project2/llvm-project/llvm/lib/Transforms/Utils/Local.cpp:2402:18 #12 0x00000000042e72c7 simplifyFunctionCFGImpl(llvm::Function&, llvm::TargetTransformInfo const&, llvm::DominatorTree*, llvm::SimplifyCFGOptions const&) /media/project2/llvm-project/llvm/lib/Transforms/Scalar/SimplifyCFGPass.cpp:0:22 #13 0x00000000042e72c7 simplifyFunctionCFG(llvm::Function&, llvm::TargetTransformInfo const&, llvm::DominatorTree*, llvm::SimplifyCFGOptions const&) /media/project2/llvm-project/llvm/lib/Transforms/Scalar/SimplifyCFGPass.cpp:275:18 #14 0x00000000042e70d1 llvm::SimplifyCFGPass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /media/project2/llvm-project/llvm/lib/Transforms/Scalar/SimplifyCFGPass.cpp:321:7 #15 0x0000000002e605bd llvm::detail::PassModel<llvm::Function, llvm::SimplifyCFGPass, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Function> >::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) BPFTargetMachine.cpp:0:0 #16 0x0000000003d54659 llvm::SmallPtrSet<void*, 2u>::operator=(llvm::SmallPtrSet<void*, 2u>&&) /media/project2/llvm-project/llvm/include/llvm/ADT/SmallPtrSet.h:488:13 #17 0x0000000003d54659 llvm::PreservedAnalyses::operator=(llvm::PreservedAnalyses&&) /media/project2/llvm-project/llvm/include/llvm/IR/PassManager.h:155:7 #18 0x0000000003d54659 llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function> >::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /media/project2/llvm-project/llvm/include/llvm/IR/PassManager.h:509:16 #19 0x0000000002aa318d llvm::detail::PassModel<llvm::Function, llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function> >, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Function> >::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) AMDGPUTargetMachine.cpp:0:0 #20 0x0000000003d5769e llvm::SmallPtrSet<void*, 2u>::operator=(llvm::SmallPtrSet<void*, 2u>&&) /media/project2/llvm-project/llvm/include/llvm/ADT/SmallPtrSet.h:488:13 #21 0x0000000003d5769e llvm::PreservedAnalyses::operator=(llvm::PreservedAnalyses&&) /media/project2/llvm-project/llvm/include/llvm/IR/PassManager.h:155:7 #22 0x0000000003d5769e llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /media/project2/llvm-project/llvm/lib/IR/PassManager.cpp:117:14 #23 0x0000000002aa2fed llvm::detail::PassModel<llvm::Module, llvm::ModuleToFunctionPassAdaptor, llvm::PreservedAnalyses, llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) AMDGPUTargetMachine.cpp:0:0 #24 0x0000000003d538f6 llvm::SmallPtrSet<void*, 2u>::operator=(llvm::SmallPtrSet<void*, 2u>&&) /media/project2/llvm-project/llvm/include/llvm/ADT/SmallPtrSet.h:488:13 #25 0x0000000003d538f6 llvm::PreservedAnalyses::operator=(llvm::PreservedAnalyses&&) /media/project2/llvm-project/llvm/include/llvm/IR/PassManager.h:155:7 #26 0x0000000003d538f6 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /media/project2/llvm-project/llvm/include/llvm/IR/PassManager.h:509:16 #27 0x00000000045ba45e llvm::SmallPtrSetImplBase::isSmall() const /media/project2/llvm-project/llvm/include/llvm/ADT/SmallPtrSet.h:194:33 #28 0x00000000045ba45e llvm::SmallPtrSetImplBase::~SmallPtrSetImplBase() /media/project2/llvm-project/llvm/include/llvm/ADT/SmallPtrSet.h:82:10 #29 0x00000000045ba45e llvm::PreservedAnalyses::~PreservedAnalyses() /media/project2/llvm-project/llvm/include/llvm/IR/PassManager.h:155:7 #30 0x00000000045ba45e (anonymous namespace)::EmitAssemblyHelper::EmitAssemblyWithNewPassManager(clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream> >) /media/project2/llvm-project/clang/lib/CodeGen/BackendUtil.cpp:1494:5 #31 0x00000000045b4868 std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream> >::~unique_ptr() /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/bits/unique_ptr.h:360:12 #32 0x00000000045b4868 clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream> >) /media/project2/llvm-project/clang/lib/CodeGen/BackendUtil.cpp:1660:5 #33 0x0000000004bf8006 std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream> >::~unique_ptr() /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/bits/unique_ptr.h:360:6 #34 0x0000000004bf8006 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) /media/project2/llvm-project/clang/lib/CodeGen/CodeGenAction.cpp:334:7 #35 0x00000000058f8283 __gnu_cxx::__normal_iterator<std::unique_ptr<clang::TemplateInstantiationCallback, std::default_delete<clang::TemplateInstantiationCallback> >*, std::vector<std::unique_ptr<clang::TemplateInstantiationCallback, std::default_delete<clang::TemplateInstantiationCallback> >, std::allocator<std::unique_ptr<clang::TemplateInstantiationCallback, std::default_delete<clang::TemplateInstantiationCallback> > > > >::__normal_iterator(std::unique_ptr<clang::TemplateInstantiationCallback, std::default_delete<clang::TemplateInstantiationCallback> >* const&) /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/bits/stl_iterator.h:979:20 #36 0x00000000058f8283 std::vector<std::unique_ptr<clang::TemplateInstantiationCallback, std::default_delete<clang::TemplateInstantiationCallback> >, std::allocator<std::unique_ptr<clang::TemplateInstantiationCallback, std::default_delete<clang::TemplateInstantiationCallback> > > >::begin() /usr/bin/../lib/gcc/x86_64-redhat-linux/10/../../../../include/c++/10/bits/stl_vector.h:812:16 #37 0x00000000058f8283 void clang::finalize<std::vector<std::unique_ptr<clang::TemplateInstantiationCallback, std::default_delete<clang::TemplateInstantiationCallback> >, std::allocator<std::unique_ptr<clang::TemplateInstantiationCallback, std::default_delete<clang::TemplateInstantiationCallback> > > > >(std::vector<std::unique_ptr<clang::TemplateInstantiationCallback, std::default_delete<clang::TemplateInstantiationCallback> >, std::allocator<std::unique_ptr<clang::TemplateInstantiationCallback, std::default_delete<clang::TemplateInstantiationCallback> > > >&, clang::Sema const&) /media/project2/llvm-project/clang/include/clang/Sema/TemplateInstCallback.h:54:16 #38 0x00000000058f8283 clang::ParseAST(clang::Sema&, bool, bool) /media/project2/llvm-project/clang/lib/Parse/ParseAST.cpp:178:3 #39 0x0000000004b59658 clang::FrontendAction::Execute() /media/project2/llvm-project/clang/lib/Frontend/FrontendAction.cpp:955:10 #40 0x0000000004ad1d66 llvm::Error::getPtr() const /media/project2/llvm-project/llvm/include/llvm/Support/Error.h:277:12 #41 0x0000000004ad1d66 llvm::Error::operator bool() /media/project2/llvm-project/llvm/include/llvm/Support/Error.h:236:16 #42 0x0000000004ad1d66 clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) /media/project2/llvm-project/clang/lib/Frontend/CompilerInstance.cpp:965:23 #43 0x0000000004bf3330 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) /media/project2/llvm-project/clang/lib/FrontendTool/ExecuteCompilerInvocation.cpp:278:25 #44 0x00000000028477f1 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) /media/project2/llvm-project/clang/tools/driver/cc1_main.cpp:246:15 #45 0x0000000002845c25 ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) /media/project2/llvm-project/clang/tools/driver/driver.cpp:338:12 #46 0x00000000049c3782 clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, bool*) const::$_1::operator()() const /media/project2/llvm-project/clang/lib/Driver/Job.cpp:404:30 #47 0x00000000049c3782 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, bool*) const::$_1>(long) /media/project2/llvm-project/llvm/include/llvm/ADT/STLExtras.h:177:12 #48 0x0000000004342fd7 llvm::function_ref<void ()>::operator()() const /media/project2/llvm-project/llvm/include/llvm/ADT/STLExtras.h:0:12 #49 0x0000000004342fd7 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) /media/project2/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:424:3 #50 0x00000000049c3229 clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, bool*) const /media/project2/llvm-project/clang/lib/Driver/Job.cpp:404:7 #51 0x0000000004996ce5 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&) const /media/project2/llvm-project/clang/lib/Driver/Compilation.cpp:196:15 #52 0x0000000004997177 clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) const /media/project2/llvm-project/clang/lib/Driver/Compilation.cpp:249:13 #53 0x00000000049aa87c llvm::SmallVectorBase<unsigned int>::empty() const /media/project2/llvm-project/llvm/include/llvm/ADT/SmallVector.h:73:47 #54 0x00000000049aa87c clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) /media/project2/llvm-project/clang/lib/Driver/Driver.cpp:1538:23 #55 0x000000000284566d main /media/project2/llvm-project/clang/tools/driver/driver.cpp:510:21 #56 0x00007f5814d60082 __libc_start_main (/lib64/libc.so.6+0x27082) #57 0x0000000002842d1e _start (/media/project2/llvm-project/stage0/bin/clang-cl+0x2842d1e) clang-cl: error: clang frontend command failed with exit code 139 (use -v to see invocation) clang version 13.0.0 (https://nam06.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fllvm%2Fllvm-project.git&data=04%7C01%7Ctentzen%40microsoft.com%7C0d1857a9e02f491b171a08d92535a510%7C72f988bf86f141af91ab2d7cd011db47%7C1%7C0%7C637581734644682500%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=wy%2ByGWE5WM%2FuMNVGF9uv4Yw1SeHI3aEJKKsFc793q3Y%3D&reserved=0 797ad701522988e212495285dade8efac41a24d4) Target: x86_64-pc-windows-msvc Thread model: posix InstalledDir: /media/project2/llvm-project/stage0/bin I'll paste the reproducer as soon as c-reduce completes. 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