[llvm] Add a pass to collect dropped var stats for MIR (PR #120501)

Thu Dec 19 00:47:36 PST 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `flang-aarch64-libcxx` running on `linaro-flang-aarch64-libcxx` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/89/builds/13033

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
76.812 [4048/40/3214] Linking CXX executable bin/tblgen-lsp-server
76.835 [4048/39/3215] Linking CXX shared library lib/libLLVMCoverage.so.20.0git
76.866 [4048/38/3216] Linking CXX executable bin/llvm-ctxprof-util
76.892 [4048/37/3217] Linking CXX executable bin/llvm-profdata
76.940 [4048/36/3218] Linking CXX shared library lib/libMLIRIR.so.20.0git
77.034 [4048/35/3219] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64PostCoalescerPass.cpp.o
77.093 [4048/34/3220] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64SpeculationHardening.cpp.o
77.133 [4048/33/3221] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64PointerAuth.cpp.o
77.242 [4048/32/3222] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64AsmPrinter.cpp.o
77.278 [4048/31/3223] Linking CXX shared library lib/libLLVMAnalysis.so.20.0git
FAILED: lib/libLLVMAnalysis.so.20.0git 
: && /usr/local/bin/c++ -fPIC -stdlib=libc++ -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 -O3 -DNDEBUG  -stdlib=libc++ -Wl,-z,defs -Wl,-z,nodelete   -Wl,-rpath-link,/home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/./lib  -Wl,--gc-sections -shared -Wl,-soname,libLLVMAnalysis.so.20.0git -o lib/libLLVMAnalysis.so.20.0git lib/Analysis/CMakeFiles/LLVMAnalysis.dir/AliasAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/AliasAnalysisEvaluator.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/AliasSetTracker.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/Analysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/AssumeBundleQueries.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/AssumptionCache.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/BasicAliasAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/BlockFrequencyInfo.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/BlockFrequencyInfoImpl.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/BranchProbabilityInfo.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CFG.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CFGPrinter.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CFGSCCPrinter.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CGSCCPassManager.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CallGraph.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CallGraphSCCPass.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CallPrinter.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CaptureTracking.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CmpInstAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CostModel.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CodeMetrics.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CtxProfAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CycleAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DDG.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DDGPrinter.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DroppedVariableStats.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstraintSystem.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/Delinearization.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DemandedBits.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DependenceAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DependenceGraphBuilder.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DevelopmentModeInlineAdvisor.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DomConditionCache.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DomPrinter.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DomTreeUpdater.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DominanceFrontier.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DXILResource.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DXILMetadataAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/FunctionPropertiesAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/GlobalsModRef.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/GuardUtils.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/HeatUtils.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IRSimilarityIdentifier.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IVDescriptors.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IVUsers.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ImportedFunctionsInliningStatistics.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IndirectCallPromotionAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineCost.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineAdvisor.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineOrder.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineSizeEstimatorAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InstCount.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InstructionPrecedenceTracking.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InstructionSimplify.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InteractiveModelRunner.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LastRunTrackingAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LazyBranchProbabilityInfo.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LazyBlockFrequencyInfo.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LazyCallGraph.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LazyValueInfo.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/Lint.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/Loads.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/Local.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LoopAccessAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LoopAnalysisManager.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LoopCacheAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LoopNestAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LoopUnrollAnalyzer.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LoopInfo.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LoopPass.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MLInlineAdvisor.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MemDerefPrinter.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MemoryBuiltins.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MemoryDependenceAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MemoryLocation.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MemoryProfileInfo.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MemorySSA.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MemorySSAUpdater.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ModelUnderTrainingRunner.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ModuleDebugInfoPrinter.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ModuleSummaryAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MustExecute.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/NoInferenceModelRunner.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ObjCARCAliasAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ObjCARCAnalysisUtils.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ObjCARCInstKind.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/OptimizationRemarkEmitter.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/OverflowInstAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/PHITransAddr.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/PhiValues.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/PostDominators.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ProfileSummaryInfo.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/PtrUseVisitor.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/RegionInfo.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/RegionPass.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/RegionPrinter.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ReplayInlineAdvisor.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ScalarEvolution.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ScalarEvolutionAliasAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ScalarEvolutionDivision.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ScalarEvolutionNormalization.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/StackLifetime.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/StackSafetyAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/StructuralHash.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/SyntheticCountsUtils.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/TFLiteUtils.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/TargetLibraryInfo.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/TargetTransformInfo.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/TensorSpec.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/Trace.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/TrainingLogger.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/TypeBasedAliasAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/TypeMetadataUtils.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/UniformityAnalysis.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ScopedNoAliasAA.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ValueLattice.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ValueLatticeUtils.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ValueTracking.cpp.o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/VectorUtils.cpp.o  -Wl,-rpath,"\$ORIGIN/../lib:/home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/lib:"  lib/libLLVMProfileData.so.20.0git  lib/libLLVMObject.so.20.0git  lib/libLLVMCore.so.20.0git  lib/libLLVMBinaryFormat.so.20.0git  lib/libLLVMTargetParser.so.20.0git  lib/libLLVMSupport.so.20.0git  -Wl,-rpath-link,/home/tcwg-buildbot/worker/flang-aarch64-libcxx/build/lib && :
/usr/bin/ld: lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DroppedVariableStats.cpp.o: in function `llvm::DroppedVariableStatsMIR::runOnMachineFunction(llvm::MachineFunction const*, bool)':
DroppedVariableStats.cpp:(.text._ZN4llvm23DroppedVariableStatsMIR20runOnMachineFunctionEPKNS_15MachineFunctionEb+0xe8): undefined reference to `llvm::MachineFunction::getName() const'
/usr/bin/ld: lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DroppedVariableStats.cpp.o: in function `llvm::DroppedVariableStatsMIR::calculateDroppedVarStatsOnMachineFunction(llvm::MachineFunction const*, llvm::StringRef, llvm::StringRef)':
DroppedVariableStats.cpp:(.text._ZN4llvm23DroppedVariableStatsMIR41calculateDroppedVarStatsOnMachineFunctionEPKNS_15MachineFunctionENS_9StringRefES4_+0x3c): undefined reference to `llvm::MachineFunction::getName() const'
/usr/bin/ld: lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DroppedVariableStats.cpp.o: in function `llvm::DroppedVariableStatsMIR::visitEveryDebugRecord(llvm::DenseSet<std::__1::tuple<llvm::DIScope const*, llvm::DIScope const*, llvm::DILocalVariable const*>, llvm::DenseMapInfo<std::__1::tuple<llvm::DIScope const*, llvm::DIScope const*, llvm::DILocalVariable const*>, void> >&, llvm::DenseMap<llvm::StringRef, llvm::DenseMap<std::__1::tuple<llvm::DIScope const*, llvm::DIScope const*, llvm::DILocalVariable const*>, llvm::DILocation*, llvm::DenseMapInfo<std::__1::tuple<llvm::DIScope const*, llvm::DIScope const*, llvm::DILocalVariable const*>, void>, llvm::detail::DenseMapPair<std::__1::tuple<llvm::DIScope const*, llvm::DIScope const*, llvm::DILocalVariable const*>, llvm::DILocation*> >, llvm::DenseMapInfo<llvm::StringRef, void>, llvm::detail::DenseMapPair<llvm::StringRef, llvm::DenseMap<std::__1::tuple<llvm::DIScope const*, llvm::DIScope const*, llvm::DILocalVariable const*>, llvm::DILocation*, llvm::DenseMapInfo<std::__1::tuple<llvm::DIScope const*, llvm::DIScope const*, llvm::DILocalVariable const*>, void>, llvm::detail::DenseMapPair<std::__1::tuple<llvm::DIScope const*, llvm::DIScope const*, llvm::DILocalVariable const*>, llvm::DILocation*> > > >&, llvm::StringRef, bool)':
DroppedVariableStats.cpp:(.text._ZN4llvm23DroppedVariableStatsMIR21visitEveryDebugRecordERNS_8DenseSetINSt3__15tupleIJPKNS_7DIScopeES6_PKNS_15DILocalVariableEEEENS_12DenseMapInfoISA_vEEEERNS_8DenseMapINS_9StringRefENSF_ISA_PNS_10DILocationESC_NS_6detail12DenseMapPairISA_SI_EEEENSB_ISG_vEENSK_ISG_SM_EEEESG_b+0xc0): undefined reference to `llvm::MachineInstr::getDebugVariable() const'
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
77.369 [4048/30/3224] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64O0PreLegalizerCombiner.cpp.o
77.434 [4048/29/3225] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64MCInstLower.cpp.o
78.261 [4048/28/3226] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64LoadStoreOptimizer.cpp.o
78.852 [4048/27/3227] Building CXX object lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilderBindings.cpp.o
79.010 [4048/26/3228] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64PreLegalizerCombiner.cpp.o
79.021 [4048/25/3229] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64TargetObjectFile.cpp.o
79.092 [4048/24/3230] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64StackTaggingPreRA.cpp.o
79.138 [4048/23/3231] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64PostLegalizerCombiner.cpp.o
79.614 [4048/22/3232] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/SMEPeepholeOpt.cpp.o
79.646 [4048/21/3233] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64AdvSIMDScalarPass.cpp.o
80.074 [4048/20/3234] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64FrameLowering.cpp.o
80.094 [4048/19/3235] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64PostLegalizerLowering.cpp.o
80.249 [4048/18/3236] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64InstrInfo.cpp.o
80.534 [4048/17/3237] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64FastISel.cpp.o
80.712 [4048/16/3238] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64StackTagging.cpp.o
81.597 [4048/15/3239] Building CXX object lib/DWARFLinker/Classic/CMakeFiles/LLVMDWARFLinkerClassic.dir/DWARFLinker.cpp.o
82.839 [4048/14/3240] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64RegisterInfo.cpp.o
84.352 [4048/13/3241] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/DwarfDebug.cpp.o
84.396 [4048/12/3242] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64ISelDAGToDAG.cpp.o
84.594 [4048/11/3243] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/LTO.cpp.o
85.868 [4048/10/3244] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64LegalizerInfo.cpp.o
86.522 [4048/9/3245] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64TargetTransformInfo.cpp.o
86.530 [4048/8/3246] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64TargetMachine.cpp.o
88.892 [4048/7/3247] Building CXX object lib/Target/AArch64/AsmParser/CMakeFiles/LLVMAArch64AsmParser.dir/AArch64AsmParser.cpp.o
89.191 [4048/6/3248] Building CXX object lib/Passes/CMakeFiles/LLVMPasses.dir/CodeGenPassBuilder.cpp.o
90.253 [4048/5/3249] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/GISel/AArch64InstructionSelector.cpp.o
95.861 [4048/4/3250] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64ISelLowering.cpp.o
96.876 [4048/3/3251] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64Subtarget.cpp.o
98.407 [4048/2/3252] Building CXX object lib/CodeGen/GlobalISel/CMakeFiles/LLVMGlobalISel.dir/CombinerHelper.cpp.o
123.580 [4048/1/3253] Building CXX object lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/120501