[llvm] [llvm][dwarfdump] Add --child-tags option to filter by DWARF tags (PR #165720)

Tue Nov 4 03:47:46 PST 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `amdgpu-offload-rhel-8-cmake-build-only` running on `rocm-docker-rhel-8` while building `llvm` at step 4 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/204/builds/26874

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 4 (annotate) failure: '../llvm-zorg/zorg/buildbot/builders/annotated/amdgpu-offload-cmake.py --jobs=32' (failure)
...
[7716/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/DebugTypeGenerator.cpp.o
[7717/8172] Building CXX object tools/llvm-exegesis/lib/CMakeFiles/obj.LLVMExegesis.dir/ValidationEvent.cpp.o
[7718/8172] Building CXX object tools/llvm-cfi-verify/CMakeFiles/llvm-cfi-verify.dir/llvm-cfi-verify.cpp.o
[7719/8172] Linking CXX executable bin/llvm-cfi-verify
[7720/8172] Building CXX object tools/llvm-exegesis/lib/X86/CMakeFiles/obj.LLVMExegesisX86.dir/X86Counter.cpp.o
[7721/8172] Building CXX object tools/llvm-extract/CMakeFiles/llvm-extract.dir/llvm-extract.cpp.o
[7722/8172] Linking CXX executable bin/llvm-extract
[7723/8172] Building Opts.inc...
[7724/8172] Building CXX object tools/llvm-dwarfdump/CMakeFiles/llvm-dwarfdump.dir/llvm-dwarfdump.cpp.o
[7725/8172] Linking CXX executable bin/llvm-dwarfdump
FAILED: bin/llvm-dwarfdump 
: && /usr/bin/c++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-class-memaccess -Wno-array-bounds -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment -Wno-misleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -Wl,-rpath-link,/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/./lib  -Wl,--gc-sections tools/llvm-dwarfdump/CMakeFiles/llvm-dwarfdump.dir/SectionSizes.cpp.o tools/llvm-dwarfdump/CMakeFiles/llvm-dwarfdump.dir/Statistics.cpp.o tools/llvm-dwarfdump/CMakeFiles/llvm-dwarfdump.dir/llvm-dwarfdump.cpp.o -o bin/llvm-dwarfdump  -Wl,-rpath,"\$ORIGIN/../lib:/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/lib:"  lib/libLLVMAMDGPUDesc.so.22.0git  lib/libLLVMSPIRVDesc.so.22.0git  lib/libLLVMX86Desc.so.22.0git  lib/libLLVMAMDGPUInfo.so.22.0git  lib/libLLVMSPIRVInfo.so.22.0git  lib/libLLVMX86Info.so.22.0git  -lpthread  lib/libLLVMDebugInfoDWARF.so.22.0git  lib/libLLVMObject.so.22.0git  lib/libLLVMMC.so.22.0git  lib/libLLVMDebugInfoDWARFLowLevel.so.22.0git  lib/libLLVMTargetParser.so.22.0git  lib/libLLVMSupport.so.22.0git  -Wl,-rpath-link,/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/lib && :
/usr/bin/ld: tools/llvm-dwarfdump/CMakeFiles/llvm-dwarfdump.dir/llvm-dwarfdump.cpp.o: undefined reference to symbol '_ZN4llvm5dwarf6getTagENS_9StringRefE'
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/./lib/libLLVMBinaryFormat.so.22.0git: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
[7726/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/OptimizeArrayRepacking.cpp.o
[7727/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/SimplifyFIROperations.cpp.o
[7728/8172] Building CXX object tools/dsymutil/CMakeFiles/dsymutil.dir/MachOUtils.cpp.o
[7729/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/SetRuntimeCallAttributes.cpp.o
[7730/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/ConvertComplexPow.cpp.o
[7731/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/GenRuntimeCallsForTest.cpp.o
[7732/8172] Building CXX object tools/flang/test/lib/OpenACC/CMakeFiles/FIRTestOpenACCInterfaces.dir/TestOpenACCInterfaces.cpp.o
[7733/8172] Building CXX object tools/llvm-dwp/CMakeFiles/llvm-dwp.dir/llvm-dwp.cpp.o
[7734/8172] Building CXX object tools/dsymutil/CMakeFiles/dsymutil.dir/dsymutil.cpp.o
[7735/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/MIFOpConversion.cpp.o
[7736/8172] Building CXX object tools/llvm-dwarfutil/CMakeFiles/llvm-dwarfutil.dir/llvm-dwarfutil.cpp.o
[7737/8172] Building CXX object tools/llvm-gsymutil/CMakeFiles/llvm-gsymutil.dir/llvm-gsymutil.cpp.o
[7738/8172] Building CXX object tools/llvm-dwarfutil/CMakeFiles/llvm-dwarfutil.dir/DebugInfoLinker.cpp.o
[7739/8172] Building CXX object tools/dsymutil/CMakeFiles/dsymutil.dir/DwarfLinkerForBinary.cpp.o
[7740/8172] Building CXX object tools/llvm-exegesis/lib/CMakeFiles/obj.LLVMExegesis.dir/SnippetFile.cpp.o
[7741/8172] Building CXX object tools/llvm-exegesis/lib/CMakeFiles/obj.LLVMExegesis.dir/SnippetGenerator.cpp.o
[7742/8172] Building CXX object tools/llvm-exegesis/lib/CMakeFiles/obj.LLVMExegesis.dir/UopsBenchmarkRunner.cpp.o
[7743/8172] Building CXX object tools/llvm-exegesis/lib/CMakeFiles/obj.LLVMExegesis.dir/Target.cpp.o
[7744/8172] Building CXX object tools/llvm-exegesis/lib/CMakeFiles/obj.LLVMExegesis.dir/SnippetRepetitor.cpp.o
[7745/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/PolymorphicOpConversion.cpp.o
[7746/8172] Building CXX object tools/flang/lib/Optimizer/HLFIR/Transforms/CMakeFiles/HLFIRTransforms.dir/LowerHLFIRIntrinsics.cpp.o
[7747/8172] Building CXX object tools/llvm-exegesis/lib/X86/CMakeFiles/obj.LLVMExegesisX86.dir/Target.cpp.o
[7748/8172] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertExpr.cpp.o
[7749/8172] Building CXX object tools/flang/lib/Optimizer/HLFIR/Transforms/CMakeFiles/HLFIRTransforms.dir/SimplifyHLFIRIntrinsics.cpp.o
[7750/8172] Building CXX object tools/flang/tools/flang-driver/CMakeFiles/flang.dir/driver.cpp.o
[7751/8172] Building CXX object tools/flang/tools/fir-lsp-server/CMakeFiles/fir-lsp-server.dir/fir-lsp-server.cpp.o
[7752/8172] Building CXX object tools/flang/tools/flang-driver/CMakeFiles/flang.dir/fc1_main.cpp.o
[7753/8172] Building CXX object tools/flang/tools/fir-opt/CMakeFiles/fir-opt.dir/fir-opt.cpp.o
[7754/8172] Building CXX object tools/flang/tools/tco/CMakeFiles/tco.dir/tco.cpp.o
[7755/8172] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/check-omp-atomic.cpp.o
[7756/8172] Building CXX object tools/flang/lib/Frontend/CMakeFiles/flangFrontend.dir/ParserActions.cpp.o
[7757/8172] Building CXX object tools/flang/tools/bbc/CMakeFiles/bbc.dir/bbc.cpp.o
[7758/8172] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/openmp-parsers.cpp.o
ninja: build stopped: subcommand failed.
Step 7 (build cmake config) failure: build cmake config (failure)
...
[7716/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/DebugTypeGenerator.cpp.o
[7717/8172] Building CXX object tools/llvm-exegesis/lib/CMakeFiles/obj.LLVMExegesis.dir/ValidationEvent.cpp.o
[7718/8172] Building CXX object tools/llvm-cfi-verify/CMakeFiles/llvm-cfi-verify.dir/llvm-cfi-verify.cpp.o
[7719/8172] Linking CXX executable bin/llvm-cfi-verify
[7720/8172] Building CXX object tools/llvm-exegesis/lib/X86/CMakeFiles/obj.LLVMExegesisX86.dir/X86Counter.cpp.o
[7721/8172] Building CXX object tools/llvm-extract/CMakeFiles/llvm-extract.dir/llvm-extract.cpp.o
[7722/8172] Linking CXX executable bin/llvm-extract
[7723/8172] Building Opts.inc...
[7724/8172] Building CXX object tools/llvm-dwarfdump/CMakeFiles/llvm-dwarfdump.dir/llvm-dwarfdump.cpp.o
[7725/8172] Linking CXX executable bin/llvm-dwarfdump
FAILED: bin/llvm-dwarfdump 
: && /usr/bin/c++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-class-memaccess -Wno-array-bounds -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment -Wno-misleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -Wl,-rpath-link,/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/./lib  -Wl,--gc-sections tools/llvm-dwarfdump/CMakeFiles/llvm-dwarfdump.dir/SectionSizes.cpp.o tools/llvm-dwarfdump/CMakeFiles/llvm-dwarfdump.dir/Statistics.cpp.o tools/llvm-dwarfdump/CMakeFiles/llvm-dwarfdump.dir/llvm-dwarfdump.cpp.o -o bin/llvm-dwarfdump  -Wl,-rpath,"\$ORIGIN/../lib:/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/lib:"  lib/libLLVMAMDGPUDesc.so.22.0git  lib/libLLVMSPIRVDesc.so.22.0git  lib/libLLVMX86Desc.so.22.0git  lib/libLLVMAMDGPUInfo.so.22.0git  lib/libLLVMSPIRVInfo.so.22.0git  lib/libLLVMX86Info.so.22.0git  -lpthread  lib/libLLVMDebugInfoDWARF.so.22.0git  lib/libLLVMObject.so.22.0git  lib/libLLVMMC.so.22.0git  lib/libLLVMDebugInfoDWARFLowLevel.so.22.0git  lib/libLLVMTargetParser.so.22.0git  lib/libLLVMSupport.so.22.0git  -Wl,-rpath-link,/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/lib && :
/usr/bin/ld: tools/llvm-dwarfdump/CMakeFiles/llvm-dwarfdump.dir/llvm-dwarfdump.cpp.o: undefined reference to symbol '_ZN4llvm5dwarf6getTagENS_9StringRefE'
/home/botworker/bbot/amdgpu-offload-rhel-8-cmake-build-only/build/./lib/libLLVMBinaryFormat.so.22.0git: error adding symbols: DSO missing from command line
collect2: error: ld returned 1 exit status
[7726/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/OptimizeArrayRepacking.cpp.o
[7727/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/SimplifyFIROperations.cpp.o
[7728/8172] Building CXX object tools/dsymutil/CMakeFiles/dsymutil.dir/MachOUtils.cpp.o
[7729/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/SetRuntimeCallAttributes.cpp.o
[7730/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/ConvertComplexPow.cpp.o
[7731/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/GenRuntimeCallsForTest.cpp.o
[7732/8172] Building CXX object tools/flang/test/lib/OpenACC/CMakeFiles/FIRTestOpenACCInterfaces.dir/TestOpenACCInterfaces.cpp.o
[7733/8172] Building CXX object tools/llvm-dwp/CMakeFiles/llvm-dwp.dir/llvm-dwp.cpp.o
[7734/8172] Building CXX object tools/dsymutil/CMakeFiles/dsymutil.dir/dsymutil.cpp.o
[7735/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/MIFOpConversion.cpp.o
[7736/8172] Building CXX object tools/llvm-dwarfutil/CMakeFiles/llvm-dwarfutil.dir/llvm-dwarfutil.cpp.o
[7737/8172] Building CXX object tools/llvm-gsymutil/CMakeFiles/llvm-gsymutil.dir/llvm-gsymutil.cpp.o
[7738/8172] Building CXX object tools/llvm-dwarfutil/CMakeFiles/llvm-dwarfutil.dir/DebugInfoLinker.cpp.o
[7739/8172] Building CXX object tools/dsymutil/CMakeFiles/dsymutil.dir/DwarfLinkerForBinary.cpp.o
[7740/8172] Building CXX object tools/llvm-exegesis/lib/CMakeFiles/obj.LLVMExegesis.dir/SnippetFile.cpp.o
[7741/8172] Building CXX object tools/llvm-exegesis/lib/CMakeFiles/obj.LLVMExegesis.dir/SnippetGenerator.cpp.o
[7742/8172] Building CXX object tools/llvm-exegesis/lib/CMakeFiles/obj.LLVMExegesis.dir/UopsBenchmarkRunner.cpp.o
[7743/8172] Building CXX object tools/llvm-exegesis/lib/CMakeFiles/obj.LLVMExegesis.dir/Target.cpp.o
[7744/8172] Building CXX object tools/llvm-exegesis/lib/CMakeFiles/obj.LLVMExegesis.dir/SnippetRepetitor.cpp.o
[7745/8172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/PolymorphicOpConversion.cpp.o
[7746/8172] Building CXX object tools/flang/lib/Optimizer/HLFIR/Transforms/CMakeFiles/HLFIRTransforms.dir/LowerHLFIRIntrinsics.cpp.o
[7747/8172] Building CXX object tools/llvm-exegesis/lib/X86/CMakeFiles/obj.LLVMExegesisX86.dir/Target.cpp.o
[7748/8172] Building CXX object tools/flang/lib/Lower/CMakeFiles/FortranLower.dir/ConvertExpr.cpp.o
[7749/8172] Building CXX object tools/flang/lib/Optimizer/HLFIR/Transforms/CMakeFiles/HLFIRTransforms.dir/SimplifyHLFIRIntrinsics.cpp.o
[7750/8172] Building CXX object tools/flang/tools/flang-driver/CMakeFiles/flang.dir/driver.cpp.o
[7751/8172] Building CXX object tools/flang/tools/fir-lsp-server/CMakeFiles/fir-lsp-server.dir/fir-lsp-server.cpp.o
[7752/8172] Building CXX object tools/flang/tools/flang-driver/CMakeFiles/flang.dir/fc1_main.cpp.o
[7753/8172] Building CXX object tools/flang/tools/fir-opt/CMakeFiles/fir-opt.dir/fir-opt.cpp.o
[7754/8172] Building CXX object tools/flang/tools/tco/CMakeFiles/tco.dir/tco.cpp.o
[7755/8172] Building CXX object tools/flang/lib/Semantics/CMakeFiles/FortranSemantics.dir/check-omp-atomic.cpp.o
[7756/8172] Building CXX object tools/flang/lib/Frontend/CMakeFiles/flangFrontend.dir/ParserActions.cpp.o
[7757/8172] Building CXX object tools/flang/tools/bbc/CMakeFiles/bbc.dir/bbc.cpp.o
[7758/8172] Building CXX object tools/flang/lib/Parser/CMakeFiles/FortranParser.dir/openmp-parsers.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/165720