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[Wasm][AOT] Compilation fails with "Basic Block in function XX does not have terminator!" #50561

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jeromelaban opened this issue Apr 1, 2021 · 6 comments
Closed

[Wasm][AOT] Compilation fails with "Basic Block in function XX does not have terminator!" #50561

jeromelaban opened this issue Apr 1, 2021 · 6 comments
Labels
arch-wasm WebAssembly architecture area-Codegen-AOT-mono
Milestone
6.0.0

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@jeromelaban
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jeromelaban commented Apr 1, 2021 •
edited
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Description

Using Wasm FullAOT, compiling a large async function fails with the following error:

Basic Block in function 'XXXX_Asyncd__251_MoveNext' does not have terminator!
label %NOTINITED_BB181
in function XXXAsyncd__251_MoveNext
fatal error: error in backend: Broken function found, compilation aborted!
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.	Program arguments: /home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang++ -DEMSCRIPTEN -fno-inline-functions -mllvm -combiner-global-alias-analysis=false -mllvm -enable-emscripten-cxx-exceptions -mllvm -enable-emscripten-sjlj -mllvm -disable-lsr -Xclang -isystem/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/emscripten/system/include/SDL -target wasm32-unknown-emscripten -D__EMSCRIPTEN_major__=2 -D__EMSCRIPTEN_minor__=0 -D__EMSCRIPTEN_tiny__=12 -D_LIBCPP_ABI_VERSION=2 -Dunix -D__unix -D__unix__ -Werror=implicit-function-declaration --sysroot=/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/emscripten/system -Xclang -isystem/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/emscripten/cache/include -Xclang -iwithsysroot/include/libcxx -Xclang -iwithsysroot/lib/libcxxabi/include -Xclang -iwithsysroot/include/compat -Xclang -iwithsysroot/include/libc -Xclang -iwithsysroot/lib/libc/musl/arch/emscripten -Xclang -iwithsysroot/local/include -Xclang -iwithsysroot/include/SSE -Xclang -iwithsysroot/include/neon -Xclang -iwithsysroot/lib/compiler-rt/include -Xclang -iwithsysroot/lib/libunwind/include -emit-llvm -DENABLE_METADATA_UPDATE=1 -DGEN_PINVOKE -I/mnt/c/Users/jerome.laban/AppData/Local/Temp/dotnet-runtime-wasm-1939784-2784aadb026-26782-Release/runtimes/browser-wasm/native -Oz -c XXXX.dll.bc -o XXX.dll.o
1.	Per-function optimization
2.	Running pass 'Module Verifier' on function '@XXXAsyncd__251_MoveNext'
 #0 0x00007fc01496cfd3 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x84efd3)
 #1 0x00007fc01496ae0e llvm::sys::RunSignalHandlers() (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x84ce0e)
 #2 0x00007fc01496c34d llvm::sys::CleanupOnSignal(unsigned long) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x84e34d)
 #3 0x00007fc0148a5143 (anonymous namespace)::CrashRecoveryContextImpl::HandleCrash(int, unsigned long) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x787143)
 #4 0x00007fc0148a50bf llvm::CrashRecoveryContext::HandleExit(int) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x7870bf)
 #5 0x00007fc014967557 llvm::sys::Process::Exit(int, bool) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x849557)
 #6 0x0000000000411890 llvm::DenseMapBase<llvm::DenseMap<llvm::AliasSetTracker::ASTCallbackVH, llvm::AliasSet::PointerRec*, llvm::AliasSetTracker::ASTCallbackVHDenseMapInfo, llvm::detail::DenseMapPair<llvm::AliasSetTracker::ASTCallbackVH, llvm::AliasSet::PointerRec*> >, llvm::AliasSetTracker::ASTCallbackVH, llvm::AliasSet::PointerRec*, llvm::AliasSetTracker::ASTCallbackVHDenseMapInfo, llvm::detail::DenseMapPair<llvm::AliasSetTracker::ASTCallbackVH, llvm::AliasSet::PointerRec*> >::destroyAll() (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x411890)
 #7 0x00007fc0148b4392 llvm::report_fatal_error(llvm::Twine const&, bool) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x796392)
 #8 0x00007fc0148b4266 (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x796266)
 #9 0x00007fc014b6b26f (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0xa4d26f)
#10 0x00007fc014adb648 llvm::FPPassManager::runOnFunction(llvm::Function&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x9bd648)
#11 0x00007fc014adad49 llvm::legacy::FunctionPassManagerImpl::run(llvm::Function&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x9bcd49)
#12 0x00007fc014ae2114 llvm::legacy::FunctionPassManager::run(llvm::Function&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x9c4114)
#13 0x00007fc011d9897d clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, 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/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x184197d)
#14 0x00007fc0120ca006 clang::CodeGenAction::ExecuteAction() (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x1b73006)
#15 0x00007fc0129bd2c0 clang::FrontendAction::Execute() (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x24662c0)
#16 0x00007fc01293dd3a clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x23e6d3a)
#17 0x00007fc012a324c4 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x24db4c4)
#18 0x0000000000411524 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x411524)
#19 0x000000000040f22c ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x40f22c)
#20 0x00007fc012580332 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) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x2029332)
#21 0x00007fc0148a5057 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x787057)
#22 0x00007fc01257fa99 clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, bool*) const (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x2028a99)
#23 0x00007fc01254a128 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&) const (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x1ff3128)
#24 0x00007fc01254a42a clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) const (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x1ff342a)
#25 0x00007fc012565a18 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x200ea18)
#26 0x000000000040eafe main (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x40eafe)
#27 0x00007fc00fbb1b97 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b97)
#28 0x000000000040bf9a _start (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x40bf9a)
clang-12: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 12.0.0 (/b/s/w/ir/cache/git/chromium.googlesource.com-external-github.com-llvm-llvm--project 52e240a0721e4120a7143f6f5bab4760d28d48e8)
Target: wasm32-unknown-emscripten
Thread model: posix

Here's the associated IR file:
aot-llvm-issue.txt

Configuration

2784aad

Regression?

No

Other information

edit: This issue also happens in mixed mode
@dotnet-issue-labeler
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I couldn't figure out the best area label to add to this issue. If you have write-permissions please help me learn by adding exactly one area label.

@dotnet-issue-labeler dotnet-issue-labeler bot added the untriaged New issue has not been triaged by the area owner label Apr 1, 2021
@jeromelaban jeromelaban mentioned this issue Apr 1, 2021
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@vargaz
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vargaz commented Apr 2, 2021

Can you upload the obj/bin dir somewhere ?

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ghost commented Apr 2, 2021

Tagging subscribers to this area: @CoffeeFlux
See info in area-owners.md if you want to be subscribed.

Issue Details

Description

Using Wasm FullAOT, compiling a large async function fails with the following error:

Basic Block in function 'XXXX_Asyncd__251_MoveNext' does not have terminator!
label %NOTINITED_BB181
in function XXXAsyncd__251_MoveNext
fatal error: error in backend: Broken function found, compilation aborted!
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.	Program arguments: /home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang++ -DEMSCRIPTEN -fno-inline-functions -mllvm -combiner-global-alias-analysis=false -mllvm -enable-emscripten-cxx-exceptions -mllvm -enable-emscripten-sjlj -mllvm -disable-lsr -Xclang -isystem/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/emscripten/system/include/SDL -target wasm32-unknown-emscripten -D__EMSCRIPTEN_major__=2 -D__EMSCRIPTEN_minor__=0 -D__EMSCRIPTEN_tiny__=12 -D_LIBCPP_ABI_VERSION=2 -Dunix -D__unix -D__unix__ -Werror=implicit-function-declaration --sysroot=/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/emscripten/system -Xclang -isystem/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/emscripten/cache/include -Xclang -iwithsysroot/include/libcxx -Xclang -iwithsysroot/lib/libcxxabi/include -Xclang -iwithsysroot/include/compat -Xclang -iwithsysroot/include/libc -Xclang -iwithsysroot/lib/libc/musl/arch/emscripten -Xclang -iwithsysroot/local/include -Xclang -iwithsysroot/include/SSE -Xclang -iwithsysroot/include/neon -Xclang -iwithsysroot/lib/compiler-rt/include -Xclang -iwithsysroot/lib/libunwind/include -emit-llvm -DENABLE_METADATA_UPDATE=1 -DGEN_PINVOKE -I/mnt/c/Users/jerome.laban/AppData/Local/Temp/dotnet-runtime-wasm-1939784-2784aadb026-26782-Release/runtimes/browser-wasm/native -Oz -c XXXX.dll.bc -o XXX.dll.o
1.	Per-function optimization
2.	Running pass 'Module Verifier' on function '@XXXAsyncd__251_MoveNext'
 #0 0x00007fc01496cfd3 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x84efd3)
 #1 0x00007fc01496ae0e llvm::sys::RunSignalHandlers() (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x84ce0e)
 #2 0x00007fc01496c34d llvm::sys::CleanupOnSignal(unsigned long) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x84e34d)
 #3 0x00007fc0148a5143 (anonymous namespace)::CrashRecoveryContextImpl::HandleCrash(int, unsigned long) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x787143)
 #4 0x00007fc0148a50bf llvm::CrashRecoveryContext::HandleExit(int) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x7870bf)
 #5 0x00007fc014967557 llvm::sys::Process::Exit(int, bool) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x849557)
 #6 0x0000000000411890 llvm::DenseMapBase<llvm::DenseMap<llvm::AliasSetTracker::ASTCallbackVH, llvm::AliasSet::PointerRec*, llvm::AliasSetTracker::ASTCallbackVHDenseMapInfo, llvm::detail::DenseMapPair<llvm::AliasSetTracker::ASTCallbackVH, llvm::AliasSet::PointerRec*> >, llvm::AliasSetTracker::ASTCallbackVH, llvm::AliasSet::PointerRec*, llvm::AliasSetTracker::ASTCallbackVHDenseMapInfo, llvm::detail::DenseMapPair<llvm::AliasSetTracker::ASTCallbackVH, llvm::AliasSet::PointerRec*> >::destroyAll() (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x411890)
 #7 0x00007fc0148b4392 llvm::report_fatal_error(llvm::Twine const&, bool) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x796392)
 #8 0x00007fc0148b4266 (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x796266)
 #9 0x00007fc014b6b26f (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0xa4d26f)
#10 0x00007fc014adb648 llvm::FPPassManager::runOnFunction(llvm::Function&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x9bd648)
#11 0x00007fc014adad49 llvm::legacy::FunctionPassManagerImpl::run(llvm::Function&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x9bcd49)
#12 0x00007fc014ae2114 llvm::legacy::FunctionPassManager::run(llvm::Function&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x9c4114)
#13 0x00007fc011d9897d clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, 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/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x184197d)
#14 0x00007fc0120ca006 clang::CodeGenAction::ExecuteAction() (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x1b73006)
#15 0x00007fc0129bd2c0 clang::FrontendAction::Execute() (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x24662c0)
#16 0x00007fc01293dd3a clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x23e6d3a)
#17 0x00007fc012a324c4 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x24db4c4)
#18 0x0000000000411524 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x411524)
#19 0x000000000040f22c ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x40f22c)
#20 0x00007fc012580332 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) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x2029332)
#21 0x00007fc0148a5057 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x787057)
#22 0x00007fc01257fa99 clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, bool*) const (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x2028a99)
#23 0x00007fc01254a128 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&) const (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x1ff3128)
#24 0x00007fc01254a42a clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) const (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x1ff342a)
#25 0x00007fc012565a18 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x200ea18)
#26 0x000000000040eafe main (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x40eafe)
#27 0x00007fc00fbb1b97 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b97)
#28 0x000000000040bf9a _start (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x40bf9a)
clang-12: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 12.0.0 (/b/s/w/ir/cache/git/chromium.googlesource.com-external-github.com-llvm-llvm--project 52e240a0721e4120a7143f6f5bab4760d28d48e8)
Target: wasm32-unknown-emscripten
Thread model: posix

Here's the associated IR file:
aot-llvm-issue.txt

Configuration

2784aad

Regression?

No

Other information

Author: jeromelaban
Assignees: -
Labels:

area-VM-meta-mono, untriaged
Milestone: -

@jeromelaban jeromelaban changed the title [Wasm][AOT] FullAOT compilation fails with "Basic Block in function XX does not have terminator!" [Wasm][AOT] Compilation fails with "Basic Block in function XX does not have terminator!" Apr 15, 2021
@vargaz
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vargaz commented May 10, 2021

This might be caused by:
dotnet/linker#2016

@lewing lewing added the arch-wasm WebAssembly architecture label May 13, 2021
@ghost
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ghost commented May 13, 2021

Tagging subscribers to 'arch-wasm': @lewing
See info in area-owners.md if you want to be subscribed.

Issue Details

Description

Using Wasm FullAOT, compiling a large async function fails with the following error:

Basic Block in function 'XXXX_Asyncd__251_MoveNext' does not have terminator!
label %NOTINITED_BB181
in function XXXAsyncd__251_MoveNext
fatal error: error in backend: Broken function found, compilation aborted!
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.	Program arguments: /home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang++ -DEMSCRIPTEN -fno-inline-functions -mllvm -combiner-global-alias-analysis=false -mllvm -enable-emscripten-cxx-exceptions -mllvm -enable-emscripten-sjlj -mllvm -disable-lsr -Xclang -isystem/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/emscripten/system/include/SDL -target wasm32-unknown-emscripten -D__EMSCRIPTEN_major__=2 -D__EMSCRIPTEN_minor__=0 -D__EMSCRIPTEN_tiny__=12 -D_LIBCPP_ABI_VERSION=2 -Dunix -D__unix -D__unix__ -Werror=implicit-function-declaration --sysroot=/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/emscripten/system -Xclang -isystem/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/emscripten/cache/include -Xclang -iwithsysroot/include/libcxx -Xclang -iwithsysroot/lib/libcxxabi/include -Xclang -iwithsysroot/include/compat -Xclang -iwithsysroot/include/libc -Xclang -iwithsysroot/lib/libc/musl/arch/emscripten -Xclang -iwithsysroot/local/include -Xclang -iwithsysroot/include/SSE -Xclang -iwithsysroot/include/neon -Xclang -iwithsysroot/lib/compiler-rt/include -Xclang -iwithsysroot/lib/libunwind/include -emit-llvm -DENABLE_METADATA_UPDATE=1 -DGEN_PINVOKE -I/mnt/c/Users/jerome.laban/AppData/Local/Temp/dotnet-runtime-wasm-1939784-2784aadb026-26782-Release/runtimes/browser-wasm/native -Oz -c XXXX.dll.bc -o XXX.dll.o
1.	Per-function optimization
2.	Running pass 'Module Verifier' on function '@XXXAsyncd__251_MoveNext'
 #0 0x00007fc01496cfd3 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x84efd3)
 #1 0x00007fc01496ae0e llvm::sys::RunSignalHandlers() (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x84ce0e)
 #2 0x00007fc01496c34d llvm::sys::CleanupOnSignal(unsigned long) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x84e34d)
 #3 0x00007fc0148a5143 (anonymous namespace)::CrashRecoveryContextImpl::HandleCrash(int, unsigned long) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x787143)
 #4 0x00007fc0148a50bf llvm::CrashRecoveryContext::HandleExit(int) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x7870bf)
 #5 0x00007fc014967557 llvm::sys::Process::Exit(int, bool) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x849557)
 #6 0x0000000000411890 llvm::DenseMapBase<llvm::DenseMap<llvm::AliasSetTracker::ASTCallbackVH, llvm::AliasSet::PointerRec*, llvm::AliasSetTracker::ASTCallbackVHDenseMapInfo, llvm::detail::DenseMapPair<llvm::AliasSetTracker::ASTCallbackVH, llvm::AliasSet::PointerRec*> >, llvm::AliasSetTracker::ASTCallbackVH, llvm::AliasSet::PointerRec*, llvm::AliasSetTracker::ASTCallbackVHDenseMapInfo, llvm::detail::DenseMapPair<llvm::AliasSetTracker::ASTCallbackVH, llvm::AliasSet::PointerRec*> >::destroyAll() (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x411890)
 #7 0x00007fc0148b4392 llvm::report_fatal_error(llvm::Twine const&, bool) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x796392)
 #8 0x00007fc0148b4266 (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x796266)
 #9 0x00007fc014b6b26f (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0xa4d26f)
#10 0x00007fc014adb648 llvm::FPPassManager::runOnFunction(llvm::Function&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x9bd648)
#11 0x00007fc014adad49 llvm::legacy::FunctionPassManagerImpl::run(llvm::Function&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x9bcd49)
#12 0x00007fc014ae2114 llvm::legacy::FunctionPassManager::run(llvm::Function&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x9c4114)
#13 0x00007fc011d9897d clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, 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/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x184197d)
#14 0x00007fc0120ca006 clang::CodeGenAction::ExecuteAction() (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x1b73006)
#15 0x00007fc0129bd2c0 clang::FrontendAction::Execute() (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x24662c0)
#16 0x00007fc01293dd3a clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x23e6d3a)
#17 0x00007fc012a324c4 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x24db4c4)
#18 0x0000000000411524 cc1_main(llvm::ArrayRef<char const*>, char const*, void*) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x411524)
#19 0x000000000040f22c ExecuteCC1Tool(llvm::SmallVectorImpl<char const*>&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x40f22c)
#20 0x00007fc012580332 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) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x2029332)
#21 0x00007fc0148a5057 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libLLVM-12git.so+0x787057)
#22 0x00007fc01257fa99 clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >*, bool*) const (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x2028a99)
#23 0x00007fc01254a128 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const*&) const (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x1ff3128)
#24 0x00007fc01254a42a clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) const (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x1ff342a)
#25 0x00007fc012565a18 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command const*> >&) (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/../lib/libclang-cpp.so.12git+0x200ea18)
#26 0x000000000040eafe main (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x40eafe)
#27 0x00007fc00fbb1b97 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b97)
#28 0x000000000040bf9a _start (/home/jay/.uno/emsdk/emsdk-2.0.12/emsdk/upstream/bin/clang+++0x40bf9a)
clang-12: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 12.0.0 (/b/s/w/ir/cache/git/chromium.googlesource.com-external-github.com-llvm-llvm--project 52e240a0721e4120a7143f6f5bab4760d28d48e8)
Target: wasm32-unknown-emscripten
Thread model: posix

Here's the associated IR file:
aot-llvm-issue.txt

Configuration

2784aad

Regression?

No

Other information

edit: This issue also happens in mixed mode

Author: jeromelaban
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arch-wasm, area-VM-meta-mono, untriaged
Milestone: -

@lewing lewing removed the untriaged New issue has not been triaged by the area owner label May 13, 2021
@lewing lewing added this to the 6.0.0 milestone May 13, 2021
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lewing commented May 18, 2021

fixed in dotnet/linker#2037

@lewing lewing closed this as completed May 18, 2021
@ghost ghost locked as resolved and limited conversation to collaborators Jun 18, 2021
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@lewing @vargaz @jeromelaban @jeffschwMSFT