[llvm] Reland "[NFC] Move DroppedVariableStats to its own file and redesign it to be extensible (#118546)" (PR #119048)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Fri Dec 6 23:24:21 PST 2024 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `polly-x86_64-linux-shared` running on `polly-x86_64-gce2` while building `llvm-project,llvm` at step 5 "build".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/97/builds/3471

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

```
Step 5 (build) failure: 'ninja' (failure)
...
[4191/4265] Creating library symlink lib/libLLVMExtensions.so
[4192/4265] Linking CXX shared module lib/LLVMPolly.so
[4193/4265] Linking CXX shared library lib/libLLVMLTO.so.20.0git
[4194/4265] Creating library symlink lib/libLLVMLTO.so
[4195/4265] Linking CXX executable bin/bugpoint
[4196/4265] Linking CXX shared library lib/libLTO.so.20.0git
[4197/4265] Creating library symlink lib/libLTO.so
[4198/4265] Linking CXX executable bin/llvm-lto
[4199/4265] Linking CXX executable bin/clang-nvlink-wrapper
[4200/4265] Linking CXX shared library lib/libclangCodeGen.so.20.0git
FAILED: lib/libclangCodeGen.so.20.0git 
: && /usr/bin/c++ -fPIC -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -fno-lifetime-dse -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-redundant-move -Wno-pessimizing-move -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -fno-strict-aliasing -O3 -DNDEBUG  -Wl,-z,defs -Wl,-z,nodelete -fuse-ld=lld -Wl,--color-diagnostics   -Wl,--gc-sections -shared -Wl,-soname,libclangCodeGen.so.20.0git -o lib/libclangCodeGen.so.20.0git tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/ABIInfo.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/ABIInfoImpl.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/BackendUtil.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGAtomic.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGBlocks.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGBuiltin.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGCUDANV.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGCUDARuntime.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGCXX.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGCXXABI.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGCall.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGClass.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGCleanup.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGCoroutine.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGDebugInfo.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGDecl.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGDeclCXX.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGException.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGExpr.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGExprAgg.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGExprCXX.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGExprComplex.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGExprConstant.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGExprScalar.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGGPUBuiltin.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGHLSLRuntime.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGLoopInfo.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGNonTrivialStruct.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGObjC.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGObjCGNU.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGObjCMac.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGObjCRuntime.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGOpenCLRuntime.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGOpenMPRuntime.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGOpenMPRuntimeGPU.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGPointerAuth.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGRecordLayoutBuilder.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGStmt.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGStmtOpenMP.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGVTT.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CGVTables.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenABITypes.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenAction.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenFunction.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenModule.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenPGO.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenTBAA.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CodeGenTypes.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/ConstantInitBuilder.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/CoverageMappingGen.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/ItaniumCXXABI.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/LinkInModulesPass.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/MacroPPCallbacks.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/MicrosoftCXXABI.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/ModuleBuilder.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/ObjectFilePCHContainerWriter.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/PatternInit.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/SanitizerMetadata.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/SwiftCallingConv.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/TargetInfo.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/AArch64.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/AMDGPU.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/ARC.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/ARM.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/AVR.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/BPF.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/CSKY.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/DirectX.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/Hexagon.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/Lanai.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/LoongArch.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/M68k.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/MSP430.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/Mips.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/NVPTX.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/PNaCl.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/PPC.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/RISCV.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/SPIR.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/Sparc.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/SystemZ.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/TCE.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/VE.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/WebAssembly.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/X86.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/Targets/XCore.cpp.o tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/VarBypassDetector.cpp.o  -Wl,-rpath,"\$ORIGIN/../lib:/home/worker/buildbot-workers/polly-x86_64-gce2/rundir/llvm.obj/lib:"  lib/libclangFrontend.so.20.0git  lib/libclangSerialization.so.20.0git  lib/libLLVMCoverage.so.20.0git  lib/libLLVMFrontendDriver.so.20.0git  lib/libLLVMLTO.so.20.0git  lib/libclangAnalysis.so.20.0git  lib/libLLVMFrontendHLSL.so.20.0git  lib/libclangAST.so.20.0git  lib/libclangLex.so.20.0git  lib/libclangBasic.so.20.0git  lib/libLLVMExtensions.so.20.0git  lib/libPolly.so.20.0git  lib/libPollyISL.so  lib/libLLVMPasses.so.20.0git  lib/libLLVMCoroutines.so.20.0git  lib/libLLVMHipStdPar.so.20.0git  lib/libLLVMipo.so.20.0git  lib/libLLVMFrontendOpenMP.so.20.0git  lib/libLLVMFrontendOffloading.so.20.0git  lib/libLLVMLinker.so.20.0git  lib/libLLVMIRPrinter.so.20.0git  lib/libLLVMInstrumentation.so.20.0git  lib/libLLVMCodeGenTypes.so.20.0git  lib/libLLVMObjCARCOpts.so.20.0git  lib/libLLVMScalarOpts.so.20.0git  lib/libLLVMAggressiveInstCombine.so.20.0git  lib/libLLVMInstCombine.so.20.0git  lib/libLLVMTarget.so.20.0git  lib/libLLVMTransformUtils.so.20.0git  lib/libLLVMBitWriter.so.20.0git  lib/libLLVMAnalysis.so.20.0git  lib/libLLVMProfileData.so.20.0git  lib/libLLVMObject.so.20.0git  lib/libLLVMIRReader.so.20.0git  lib/libLLVMBitReader.so.20.0git  lib/libLLVMCore.so.20.0git  lib/libLLVMMC.so.20.0git  lib/libLLVMTargetParser.so.20.0git  lib/libLLVMSupport.so.20.0git  lib/libLLVMDemangle.so.20.0git  -Wl,-rpath-link,/home/worker/buildbot-workers/polly-x86_64-gce2/rundir/llvm.obj/lib && :
ld.lld: error: undefined symbol: vtable for llvm::DroppedVariableStatsIR
>>> referenced by BackendUtil.cpp
>>>               tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/BackendUtil.cpp.o:(llvm::StandardInstrumentations::~StandardInstrumentations())
>>> the vtable symbol may be undefined because the class is missing its key function (see https://lld.llvm.org/missingkeyfunction)

ld.lld: error: undefined symbol: llvm::DroppedVariableStats::~DroppedVariableStats()
>>> referenced by BackendUtil.cpp
>>>               tools/clang/lib/CodeGen/CMakeFiles/obj.clangCodeGen.dir/BackendUtil.cpp.o:(llvm::StandardInstrumentations::~StandardInstrumentations())
collect2: error: ld returned 1 exit status
[4201/4265] Linking CXX executable bin/clang-linker-wrapper
[4202/4265] Building CXX object tools/opt/CMakeFiles/obj.LLVMOptDriver.dir/NewPMDriver.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/119048

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