[llvm] [FunctionAttrs] Determine underlying object by `getUnderlyingObjectAggressive` (PR #100102)

Tue Jul 23 05:56:30 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `openmp-gcc-x86_64-linux-debian` running on `gribozavr4` while building `llvm` at step 5 "compile-openmp".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/70/builds/1857

Here is the relevant piece of the build log for the reference:
```
Step 5 (compile-openmp) failure: build (failure)
...
1.064 [4/25/22] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/ompd-specific.cpp.o
1.093 [4/24/23] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/kmp_itt.cpp.o
1.139 [4/23/24] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/kmp_sched.cpp.o
1.207 [4/22/25] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/kmp_ftn_cdecl.cpp.o
1.207 [4/21/26] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/kmp_alloc.cpp.o
1.207 [4/20/27] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/kmp_ftn_extra.cpp.o
1.227 [4/19/28] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/kmp_collapse.cpp.o
1.255 [4/18/29] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/kmp_wait_release.cpp.o
1.259 [4/17/30] Building CXX object openmp/libompd/src/CMakeFiles/ompd.dir/TargetValue.cpp.o
1.285 [4/16/31] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/kmp_settings.cpp.o
FAILED: openmp/runtime/src/CMakeFiles/omp.dir/kmp_settings.cpp.o 
/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang++ --target=x86_64-unknown-linux-gnu -D_DEBUG -D_GLIBCXX_ASSERTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Domp_EXPORTS -I/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -I/b/1/openmp-gcc-x86_64-linux-debian/llvm.src/openmp/runtime/src -I/b/1/openmp-gcc-x86_64-linux-debian/llvm.src/openmp/runtime/src/i18n -I/b/1/openmp-gcc-x86_64-linux-debian/llvm.src/openmp/runtime/src/include -I/b/1/openmp-gcc-x86_64-linux-debian/llvm.src/openmp/runtime/src/thirdparty/ittnotify -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 -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 -Wall -fcolor-diagnostics -Wcast-qual -Wformat-pedantic -Wimplicit-fallthrough -Wsign-compare -Wno-extra -Wno-pedantic -fno-semantic-interposition -fdata-sections -O3 -DNDEBUG -fPIC   -D _GNU_SOURCE -D _REENTRANT -U_GLIBCXX_ASSERTIONS -UNDEBUG -std=c++17 -fno-exceptions -fno-rtti -Wno-covered-switch-default -Wno-frame-address -Wno-strict-aliasing -Wno-switch -Wno-uninitialized -Wno-return-type-c-linkage -Wno-cast-qual -Wno-int-to-void-pointer-cast -MD -MT openmp/runtime/src/CMakeFiles/omp.dir/kmp_settings.cpp.o -MF openmp/runtime/src/CMakeFiles/omp.dir/kmp_settings.cpp.o.d -o openmp/runtime/src/CMakeFiles/omp.dir/kmp_settings.cpp.o -c /b/1/openmp-gcc-x86_64-linux-debian/llvm.src/openmp/runtime/src/kmp_settings.cpp
clang++: /b/1/openmp-gcc-x86_64-linux-debian/llvm.src/llvm/lib/Transforms/IPO/FunctionAttrs.cpp:123: void addLocAccess(llvm::MemoryEffects &, const llvm::MemoryLocation &, llvm::ModRefInfo, llvm::AAResults &): Assertion `!isa<AllocaInst>(UO) && "Should have been handled by getModRefInfoMask()"' 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: /b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang++ --target=x86_64-unknown-linux-gnu -D_DEBUG -D_GLIBCXX_ASSERTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Domp_EXPORTS -I/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -I/b/1/openmp-gcc-x86_64-linux-debian/llvm.src/openmp/runtime/src -I/b/1/openmp-gcc-x86_64-linux-debian/llvm.src/openmp/runtime/src/i18n -I/b/1/openmp-gcc-x86_64-linux-debian/llvm.src/openmp/runtime/src/include -I/b/1/openmp-gcc-x86_64-linux-debian/llvm.src/openmp/runtime/src/thirdparty/ittnotify -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 -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 -Wall -fcolor-diagnostics -Wcast-qual -Wformat-pedantic -Wimplicit-fallthrough -Wsign-compare -Wno-extra -Wno-pedantic -fno-semantic-interposition -fdata-sections -O3 -DNDEBUG -fPIC -D _GNU_SOURCE -D _REENTRANT -U_GLIBCXX_ASSERTIONS -UNDEBUG -std=c++17 -fno-exceptions -fno-rtti -Wno-covered-switch-default -Wno-frame-address -Wno-strict-aliasing -Wno-switch -Wno-uninitialized -Wno-return-type-c-linkage -Wno-cast-qual -Wno-int-to-void-pointer-cast -MD -MT openmp/runtime/src/CMakeFiles/omp.dir/kmp_settings.cpp.o -MF openmp/runtime/src/CMakeFiles/omp.dir/kmp_settings.cpp.o.d -o openmp/runtime/src/CMakeFiles/omp.dir/kmp_settings.cpp.o -c /b/1/openmp-gcc-x86_64-linux-debian/llvm.src/openmp/runtime/src/kmp_settings.cpp
1.	<eof> parser at end of file
2.	Optimizer
3.	Running pass "require<globals-aa>,function(invalidate<aa>),require<profile-summary>,cgscc(devirt<4>(inline,function-attrs<skip-non-recursive-function-attrs>,argpromotion,openmp-opt-cgscc,function<eager-inv;no-rerun>(sroa<modify-cfg>,early-cse<memssa>,speculative-execution<only-if-divergent-target>,jump-threading,correlated-propagation,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;no-speculate-unpredictables>,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,aggressive-instcombine,libcalls-shrinkwrap,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;no-speculate-unpredictables>,reassociate,constraint-elimination,loop-mssa(loop-instsimplify,loop-simplifycfg,licm<no-allowspeculation>,loop-rotate<header-duplication;no-prepare-for-lto>,licm<allowspeculation>,simple-loop-unswitch<nontrivial;trivial>),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;no-speculate-unpredictables>,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,loop(loop-idiom,indvars,simple-loop-unswitch<nontrivial;trivial>,loop-deletion,loop-unroll-full),sroa<modify-cfg>,vector-combine,mldst-motion<no-split-footer-bb>,gvn<>,sccp,bdce,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,jump-threading,correlated-propagation,adce,memcpyopt,dse,move-auto-init,loop-mssa(licm<allowspeculation>),coro-elide,simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;hoist-common-insts;sink-common-insts;speculate-blocks;simplify-cond-branch;no-speculate-unpredictables>,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>),function-attrs,function(require<should-not-run-function-passes>),coro-split)),function(invalidate<should-not-run-function-passes>),cgscc(devirt<4>())" on module "/b/1/openmp-gcc-x86_64-linux-debian/llvm.src/openmp/runtime/src/kmp_settings.cpp"
4.	Running pass "cgscc(devirt<4>(inline,function-attrs<skip-non-recursive-function-attrs>,argpromotion,openmp-opt-cgscc,function<eager-inv;no-rerun>(sroa<modify-cfg>,early-cse<memssa>,speculative-execution<only-if-divergent-target>,jump-threading,correlated-propagation,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;no-speculate-unpredictables>,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,aggressive-instcombine,libcalls-shrinkwrap,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;no-speculate-unpredictables>,reassociate,constraint-elimination,loop-mssa(loop-instsimplify,loop-simplifycfg,licm<no-allowspeculation>,loop-rotate<header-duplication;no-prepare-for-lto>,licm<allowspeculation>,simple-loop-unswitch<nontrivial;trivial>),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;no-speculate-unpredictables>,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,loop(loop-idiom,indvars,simple-loop-unswitch<nontrivial;trivial>,loop-deletion,loop-unroll-full),sroa<modify-cfg>,vector-combine,mldst-motion<no-split-footer-bb>,gvn<>,sccp,bdce,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,jump-threading,correlated-propagation,adce,memcpyopt,dse,move-auto-init,loop-mssa(licm<allowspeculation>),coro-elide,simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;hoist-common-insts;sink-common-insts;speculate-blocks;simplify-cond-branch;no-speculate-unpredictables>,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>),function-attrs,function(require<should-not-run-function-passes>),coro-split))" on module "/b/1/openmp-gcc-x86_64-linux-debian/llvm.src/openmp/runtime/src/kmp_settings.cpp"
 #0 0x00000000035165f7 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x35165f7)
 #1 0x00000000035140be llvm::sys::RunSignalHandlers() (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x35140be)
 #2 0x00000000035159dd llvm::sys::CleanupOnSignal(unsigned long) (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x35159dd)
 #3 0x00000000034841a8 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
 #4 0x00007fc3cc6c6140 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x13140)
 #5 0x00007fc3cc1dace1 raise (/lib/x86_64-linux-gnu/libc.so.6+0x38ce1)
 #6 0x00007fc3cc1c4537 abort (/lib/x86_64-linux-gnu/libc.so.6+0x22537)
 #7 0x00007fc3cc1c440f (/lib/x86_64-linux-gnu/libc.so.6+0x2240f)
 #8 0x00007fc3cc1d3662 (/lib/x86_64-linux-gnu/libc.so.6+0x31662)
 #9 0x000000000492df8d (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x492df8d)
#10 0x0000000004929539 checkFunctionMemoryAccess(llvm::Function&, bool, llvm::AAResults&, llvm::SmallSetVector<llvm::Function*, 8u> const&) FunctionAttrs.cpp:0:0
#11 0x000000000492acbb llvm::SmallSet<llvm::Function*, 8u, std::less<llvm::Function*>> deriveAttrsInPostOrder<llvm::PostOrderFunctionAttrsPass::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&)::$_1&>(llvm::ArrayRef<llvm::Function*>, llvm::PostOrderFunctionAttrsPass::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&)::$_1&, bool) FunctionAttrs.cpp:0:0
#12 0x000000000492a174 llvm::PostOrderFunctionAttrsPass::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x492a174)
#13 0x000000000484221d llvm::detail::PassModel<llvm::LazyCallGraph::SCC, llvm::PostOrderFunctionAttrsPass, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) crtstuff.c:0:0
#14 0x0000000002570063 llvm::PassManager<llvm::LazyCallGraph::SCC, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x2570063)
#15 0x000000000483782d llvm::detail::PassModel<llvm::LazyCallGraph::SCC, llvm::PassManager<llvm::LazyCallGraph::SCC, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) crtstuff.c:0:0
#16 0x00000000025730f3 llvm::DevirtSCCRepeatedPass::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x25730f3)
#17 0x000000000484e63d llvm::detail::PassModel<llvm::LazyCallGraph::SCC, llvm::DevirtSCCRepeatedPass, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) crtstuff.c:0:0
#18 0x000000000257186d llvm::ModuleToPostOrderCGSCCPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x257186d)
#19 0x0000000004837acd llvm::detail::PassModel<llvm::Module, llvm::ModuleToPostOrderCGSCCPassAdaptor, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) crtstuff.c:0:0
#20 0x0000000002f3a6b7 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x2f3a6b7)
#21 0x000000000497f5f1 llvm::ModuleInlinerWrapperPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x497f5f1)
#22 0x000000000483d62d llvm::detail::PassModel<llvm::Module, llvm::ModuleInlinerWrapperPass, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) crtstuff.c:0:0
#23 0x0000000002f3a6b7 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x2f3a6b7)
#24 0x00000000037344da (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
#25 0x000000000372a689 clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, llvm::Module*, clang::BackendAction, llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x372a689)
#26 0x0000000003d1b516 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x3d1b516)
#27 0x00000000056fecd6 clang::ParseAST(clang::Sema&, bool, bool) (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x56fecd6)
#28 0x0000000003fe2ae0 clang::FrontendAction::Execute() (/b/1/openmp-gcc-x86_64-linux-debian/llvm.build/./bin/clang+++0x3fe2ae0)

```

https://github.com/llvm/llvm-project/pull/100102