[llvm] [Support] Assert that DomTree nodes share parent (PR #101198)
LLVM Continuous Integration via llvm-commits
llvm-commits at lists.llvm.org
Sat Aug 10 09:33:32 PDT 2024
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `ppc64le-lld-multistage-test` running on `ppc64le-lld-multistage-test` while building `llvm` at step 12 "build-stage2-unified-tree".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/168/builds/1961
Here is the relevant piece of the build log for the reference:
```
Step 12 (build-stage2-unified-tree) failure: build (failure)
...
10.814 [5845/126/234] Building CXX object tools/clang/utils/TableGen/CMakeFiles/clang-tblgen.dir/ClangTypeNodesEmitter.cpp.o
10.854 [5845/125/235] Building CXX object lib/Testing/Annotations/CMakeFiles/LLVMTestingAnnotations.dir/Annotations.cpp.o
10.900 [5845/124/236] Building CXX object third-party/benchmark/src/CMakeFiles/benchmark.dir/sysinfo.cc.o
11.046 [5845/123/237] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/Parallel.cpp.o
11.061 [5845/122/238] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/MemoryBuffer.cpp.o
11.064 [5845/121/239] Building CXX object lib/DebugInfo/CodeView/CMakeFiles/LLVMDebugInfoCodeView.dir/TypeIndex.cpp.o
11.129 [5845/120/240] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/ThreadPool.cpp.o
11.133 [5845/119/241] Building CXX object tools/clang/utils/TableGen/CMakeFiles/clang-tblgen.dir/ASTTableGen.cpp.o
11.142 [5845/118/242] Building CXX object unittests/Demangle/CMakeFiles/DemangleTests.dir/OutputBufferTest.cpp.o
11.152 [5845/117/243] Building CXX object lib/Support/CMakeFiles/LLVMSupport.dir/SuffixTree.cpp.o
FAILED: lib/Support/CMakeFiles/LLVMSupport.dir/SuffixTree.cpp.o
ccache /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage2/lib/Support -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/lib/Support -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage2/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Werror=global-constructors -O3 -DNDEBUG -std=c++17 -UNDEBUG -fno-exceptions -funwind-tables -fno-rtti -MD -MT lib/Support/CMakeFiles/LLVMSupport.dir/SuffixTree.cpp.o -MF lib/Support/CMakeFiles/LLVMSupport.dir/SuffixTree.cpp.o.d -o lib/Support/CMakeFiles/LLVMSupport.dir/SuffixTree.cpp.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/lib/Support/SuffixTree.cpp
clang++: /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/include/llvm/Support/GenericDomTree.h:401: llvm::DomTreeNodeBase<NodeT>* llvm::DominatorTreeBase<NodeT, IsPostDom>::getNode(const NodeT*) const [with NodeT = llvm::BasicBlock; bool IsPostDom = false]: Assertion `(!BB || Parent == NodeTrait::getParent(const_cast<NodeT *>(BB))) && "cannot get DomTreeNode of block with different parent"' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Werror=global-constructors -O3 -std=c++17 -fno-exceptions -funwind-tables -fno-rtti -Werror -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage2/lib/Support -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/lib/Support -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/build/stage2/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/include -DNDEBUG -UNDEBUG -c -o lib/Support/CMakeFiles/LLVMSupport.dir/SuffixTree.cpp.o /home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/lib/Support/SuffixTree.cpp
1. <eof> parser at end of file
2. Optimizer
3. Running pass "function<eager-inv>(float2int,lower-constant-intrinsics,chr,loop(loop-rotate<header-duplication;no-prepare-for-lto>,loop-deletion),loop-distribute,inject-tli-mappings,loop-vectorize<no-interleave-forced-only;no-vectorize-forced-only;>,infer-alignment,loop-load-elim,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,simplifycfg<bonus-inst-threshold=1;forward-switch-cond;switch-range-to-icmp;switch-to-lookup;no-keep-loops;hoist-common-insts;sink-common-insts;speculate-blocks;simplify-cond-branch;no-speculate-unpredictables>,slp-vectorizer,vector-combine,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,loop-unroll<O3>,transform-warning,sroa<preserve-cfg>,infer-alignment,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,loop-mssa(licm<allowspeculation>),alignment-from-assumptions,loop-sink,instsimplify,div-rem-pairs,tailcallelim,simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch;speculate-unpredictables>)" on module "/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/llvm-project/llvm/lib/Support/SuffixTree.cpp"
4. Running pass "slp-vectorizer" on function "_ZN4llvm12DenseMapBaseINS_8DenseMapIPNS_22SuffixTreeInternalNodeESt4pairIPNS_14SuffixTreeNodeES6_ENS_12DenseMapInfoIS3_vEENS_6detail12DenseMapPairIS3_S7_EEEES3_S7_S9_SC_E15LookupBucketForIS3_EEbRKT_RPSC_"
#0 0x0000000013eb7370 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x13eb7370)
#1 0x0000000013eb4cb4 llvm::sys::CleanupOnSignal(unsigned long) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x13eb4cb4)
#2 0x0000000013dca698 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
#3 0x00007fffbe4504d8 (linux-vdso64.so.1+0x4d8)
#4 0x00007fffbdcea448 raise (/lib64/libc.so.6+0x4a448)
#5 0x00007fffbdcc4a54 abort (/lib64/libc.so.6+0x24a54)
#6 0x00007fffbdcddc30 __assert_fail_base (/lib64/libc.so.6+0x3dc30)
#7 0x00007fffbdcddcd4 __assert_fail (/lib64/libc.so.6+0x3dcd4)
#8 0x000000001362d31c llvm::DominatorTreeBase<llvm::BasicBlock, false>::getNode(llvm::BasicBlock const*) const (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x1362d31c)
#9 0x0000000012c7abcc llvm::ScalarEvolution::getOperandsToCreate(llvm::Value*, llvm::SmallVectorImpl<llvm::Value*>&) (.part.2394) ScalarEvolution.cpp:0:0
#10 0x0000000012cba2fc llvm::ScalarEvolution::createSCEVIter(llvm::Value*) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x12cba2fc)
#11 0x0000000012b8e52c llvm::getPointersDiff(llvm::Type*, llvm::Value*, llvm::Type*, llvm::Value*, llvm::DataLayout const&, llvm::ScalarEvolution&, bool, bool) (.part.1012) LoopAccessAnalysis.cpp:0:0
#12 0x00000000159de118 llvm::slpvectorizer::BoUpSLP::canFormVector(llvm::ArrayRef<llvm::StoreInst*>, llvm::SmallVector<unsigned int, 4u>&) const (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x159de118)
#13 0x00000000159de758 llvm::slpvectorizer::BoUpSLP::findExternalStoreUsersReorderIndices(llvm::slpvectorizer::BoUpSLP::TreeEntry*) const (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x159de758)
#14 0x0000000015a26104 llvm::slpvectorizer::BoUpSLP::reorderTopToBottom() (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x15a26104)
#15 0x0000000015a48394 llvm::SLPVectorizerPass::tryToVectorizeList(llvm::ArrayRef<llvm::Value*>, llvm::slpvectorizer::BoUpSLP&, bool) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x15a48394)
#16 0x0000000015a4b1c4 llvm::SLPVectorizerPass::tryToVectorize(llvm::Instruction*, llvm::slpvectorizer::BoUpSLP&) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x15a4b1c4)
#17 0x0000000015a4b410 llvm::SLPVectorizerPass::tryToVectorize(llvm::ArrayRef<llvm::WeakTrackingVH>, llvm::slpvectorizer::BoUpSLP&) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x15a4b410)
#18 0x0000000015a4b624 llvm::SLPVectorizerPass::vectorizeRootInstruction(llvm::PHINode*, llvm::Instruction*, llvm::BasicBlock*, llvm::slpvectorizer::BoUpSLP&, llvm::TargetTransformInfo*) (.constprop.5330) SLPVectorizer.cpp:0:0
#19 0x0000000015a4f4c8 llvm::SLPVectorizerPass::vectorizeChainsInBlock(llvm::BasicBlock*, llvm::slpvectorizer::BoUpSLP&) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x15a4f4c8)
#20 0x0000000015a54a78 llvm::SLPVectorizerPass::runImpl(llvm::Function&, llvm::ScalarEvolution*, llvm::TargetTransformInfo*, llvm::TargetLibraryInfo*, llvm::AAResults*, llvm::LoopInfo*, llvm::DominatorTree*, llvm::AssumptionCache*, llvm::DemandedBits*, llvm::OptimizationRemarkEmitter*) (.part.5302) SLPVectorizer.cpp:0:0
#21 0x0000000015a56b30 llvm::SLPVectorizerPass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x15a56b30)
#22 0x00000000154a79e4 llvm::detail::PassModel<llvm::Function, llvm::SLPVectorizerPass, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x154a79e4)
#23 0x0000000013765b64 llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x13765b64)
#24 0x0000000010cc6d14 llvm::detail::PassModel<llvm::Function, llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x10cc6d14)
#25 0x00000000137660a0 llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x137660a0)
#26 0x0000000010cc7e34 llvm::detail::PassModel<llvm::Module, llvm::ModuleToFunctionPassAdaptor, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x10cc7e34)
#27 0x00000000137647e4 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/buildbots/llvm-external-buildbots/workers/ppc64le-lld-multistage-test/ppc64le-lld-multistage-test/install/stage1/bin/clang+++0x137647e4)
#28 0x00000000141af5b0 (anonymous namespace)::EmitAssemblyHelper::RunOptimizationPipeline(clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>&, std::unique_ptr<llvm::ToolOutputFile, std::default_delete<llvm::ToolOutputFile>>&, clang::BackendConsumer*) BackendUtil.cpp:0:0
```
https://github.com/llvm/llvm-project/pull/101198
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