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

Tue Jul 23 05:54:49 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `openmp-offload-libc-amdgpu-runtime` running on `omp-vega20-1` while building `llvm` at step 5 "compile-openmp".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/73/builds/2446

Here is the relevant piece of the build log for the reference:
```
Step 5 (compile-openmp) failure: build (failure)
...
20.651 [887/34/1195] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/kmp_collapse.cpp.o
20.754 [886/34/1196] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/kmp_lock.cpp.o
20.767 [885/34/1197] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/thirdparty/ittnotify/ittnotify_static.cpp.o
20.856 [884/34/1198] Building CXX object openmp/libompd/src/CMakeFiles/ompd.dir/omp-debug.cpp.o
20.915 [883/34/1199] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/ompd-specific.cpp.o
20.926 [882/34/1200] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/z_Linux_util.cpp.o
20.941 [881/34/1201] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/kmp_ftn_cdecl.cpp.o
21.039 [880/34/1202] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/kmp_ftn_extra.cpp.o
21.096 [879/34/1203] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/ompt-general.cpp.o
21.111 [878/34/1204] Building CXX object openmp/runtime/src/CMakeFiles/omp.dir/kmp_settings.cpp.o
FAILED: openmp/runtime/src/CMakeFiles/omp.dir/kmp_settings.cpp.o 
/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/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/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -I/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.src/openmp/runtime/src -I/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.src/openmp/runtime/src/i18n -I/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.src/openmp/runtime/src/include -I/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/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 -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 /home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.src/openmp/runtime/src/kmp_settings.cpp
clang++: /home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.src/llvm/lib/Transforms/IPO/FunctionAttrs.cpp:122: 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: /home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/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/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/runtimes/runtimes-bins/openmp/runtime/src -I/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.src/openmp/runtime/src -I/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.src/openmp/runtime/src/i18n -I/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.src/openmp/runtime/src/include -I/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/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 -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 /home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/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 "/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/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 "/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.src/openmp/runtime/src/kmp_settings.cpp"
 #0 0x000055dcae28bd2f llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x2a8ed2f)
 #1 0x000055dcae28988c llvm::sys::CleanupOnSignal(unsigned long) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x2a8c88c)
 #2 0x000055dcae1ce578 CrashRecoverySignalHandler(int) CrashRecoveryContext.cpp:0:0
 #3 0x00007f090adda420 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x14420)
 #4 0x00007f090a8a700b raise /build/glibc-LcI20x/glibc-2.31/signal/../sysdeps/unix/sysv/linux/raise.c:51:1
 #5 0x00007f090a886859 abort /build/glibc-LcI20x/glibc-2.31/stdlib/abort.c:81:7
 #6 0x00007f090a886729 get_sysdep_segment_value /build/glibc-LcI20x/glibc-2.31/intl/loadmsgcat.c:509:8
 #7 0x00007f090a886729 _nl_load_domain /build/glibc-LcI20x/glibc-2.31/intl/loadmsgcat.c:970:34
 #8 0x00007f090a897fd6 (/lib/x86_64-linux-gnu/libc.so.6+0x33fd6)
 #9 0x000055dcaf8b5f73 addLocAccess(llvm::MemoryEffectsBase<llvm::IRMemLocation>&, llvm::MemoryLocation const&, llvm::ModRefInfo, llvm::AAResults&) (.isra.0) FunctionAttrs.cpp:0:0
#10 0x000055dcaf8bdd16 checkFunctionMemoryAccess(llvm::Function&, bool, llvm::AAResults&, llvm::SmallSetVector<llvm::Function*, 8u> const&) FunctionAttrs.cpp:0:0
#11 0x000055dcaf8bf40c llvm::PostOrderFunctionAttrsPass::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x40c240c)
#12 0x000055dcaf708a96 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&) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x3f0ba96)
#13 0x000055dcad16763f 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&) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x196a63f)
#14 0x000055dcaf705c66 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&) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x3f08c66)
#15 0x000055dcad16bc5d llvm::DevirtSCCRepeatedPass::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x196ec5d)
#16 0x000055dcaf705cb6 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&) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x3f08cb6)
#17 0x000055dcad169a2b llvm::ModuleToPostOrderCGSCCPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x196ca2b)
#18 0x000055dcaf705c16 llvm::detail::PassModel<llvm::Module, llvm::ModuleToPostOrderCGSCCPassAdaptor, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x3f08c16)
#19 0x000055dcadc28a01 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x242ba01)
#20 0x000055dcaf914e75 llvm::ModuleInlinerWrapperPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x4117e75)
#21 0x000055dcaf705396 llvm::detail::PassModel<llvm::Module, llvm::ModuleInlinerWrapperPass, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x3f08396)
#22 0x000055dcadc28a01 llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x242ba01)
#23 0x000055dcae52e738 (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
#24 0x000055dcae531ad5 (anonymous namespace)::EmitAssemblyHelper::EmitAssembly(clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream>>, clang::BackendConsumer*) BackendUtil.cpp:0:0
#25 0x000055dcae532176 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*) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x2d35176)
#26 0x000055dcaebcb09c clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x33ce09c)
#27 0x000055dcb09fd2ec clang::ParseAST(clang::Sema&, bool, bool) (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x52002ec)
#28 0x000055dcaebcb4a8 clang::CodeGenAction::ExecuteAction() (/home/ompworker/bbot/openmp-offload-libc-amdgpu-runtime/llvm.build/./bin/clang+++0x33ce4a8)

```

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