[llvm] [offload][SYCL] Add SYCL Module splitting (PR #119713)

Tue Mar 11 06:39:25 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `mlir-nvidia` running on `mlir-nvidia` while building `llvm` at step 6 "build-check-mlir-build-only".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/138/builds/11476

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

```
Step 6 (build-check-mlir-build-only) failure: build (failure)
...
24.015 [416/7/4720] Linking CXX shared library lib/libLLVMFrontendAtomic.so.21.0git
24.019 [415/7/4721] Linking CXX shared library lib/libLLVMTarget.so.21.0git
24.022 [414/7/4722] Creating library symlink lib/libLLVMIRPrinter.so
24.023 [414/6/4723] Creating library symlink lib/libLLVMFrontendAtomic.so
24.026 [414/5/4724] Creating library symlink lib/libLLVMTarget.so
24.026 [413/5/4725] Linking CXX shared library lib/libLLVMBitWriter.so.21.0git
24.033 [412/5/4726] Creating library symlink lib/libLLVMBitWriter.so
24.048 [410/6/4727] Linking CXX shared library lib/libLLVMSandboxIR.so.21.0git
24.054 [409/6/4728] Creating library symlink lib/libLLVMSandboxIR.so
24.055 [409/5/4729] Linking CXX shared library lib/libLLVMTransformUtils.so.21.0git
FAILED: lib/libLLVMTransformUtils.so.21.0git 
: && /usr/bin/clang++ -fPIC -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  -Wl,-z,defs -Wl,-z,nodelete -fuse-ld=lld -Wl,--color-diagnostics   -Wl,--gc-sections -shared -Wl,-soname,libLLVMTransformUtils.so.21.0git -o lib/libLLVMTransformUtils.so.21.0git lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/AddDiscriminators.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/AMDGPUEmitPrintf.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/ASanStackFrameLayout.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/AssumeBundleBuilder.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/BasicBlockUtils.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/BreakCriticalEdges.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/BuildLibCalls.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/BypassSlowDivision.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/CallPromotionUtils.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/CallGraphUpdater.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/CanonicalizeAliases.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/CanonicalizeFreezeInLoops.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/CloneFunction.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/CloneModule.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/CodeExtractor.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/CodeLayout.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/CodeMoverUtils.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/ControlFlowUtils.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/CtorUtils.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/CountVisits.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/Debugify.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/DemoteRegToStack.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/DXILUpgrade.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/EntryExitInstrumenter.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/EscapeEnumerator.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/Evaluator.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/FixIrreducible.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/FlattenCFG.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/FunctionComparator.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/FunctionImportUtils.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/GlobalStatus.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/GuardUtils.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/HelloWorld.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/InlineFunction.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/InjectTLIMappings.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/InstructionNamer.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/Instrumentation.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/IntegerDivision.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/IRNormalizer.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LCSSA.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LibCallsShrinkWrap.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/Local.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LoopConstrainer.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LoopPeel.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LoopRotationUtils.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LoopSimplify.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LoopUnroll.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LoopUnrollAndJam.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LoopUnrollRuntime.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LoopUtils.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LoopVersioning.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LowerAtomic.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LowerGlobalDtors.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LowerIFunc.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LowerInvoke.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LowerMemIntrinsics.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LowerSwitch.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LowerVectorIntrinsics.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/MatrixUtils.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/MemoryOpRemark.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/MemoryTaggingSupport.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/Mem2Reg.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/MetaRenamer.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/MisExpect.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/ModuleUtils.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/MoveAutoInit.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/NameAnonGlobals.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/PredicateInfo.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/PromoteMemoryToRegister.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/RelLookupTableConverter.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/ScalarEvolutionExpander.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SCCPSolver.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/StripGCRelocates.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SSAUpdater.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SSAUpdaterBulk.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SampleProfileInference.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SampleProfileLoaderBaseUtil.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SanitizerStats.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SimplifyCFG.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SimplifyIndVar.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SimplifyLibCalls.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SizeOpts.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SplitModule.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/StripNonLineTableDebugInfo.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLUtils.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SymbolRewriter.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/UnifyFunctionExitNodes.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/UnifyLoopExits.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/Utils.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/ValueMapper.cpp.o lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/VNCoercion.cpp.o  -Wl,-rpath,"\$ORIGIN/../lib:/vol/worker/mlir-nvidia/mlir-nvidia/llvm.obj/lib:"  lib/libLLVMAnalysis.so.21.0git  lib/libLLVMCore.so.21.0git  lib/libLLVMTargetParser.so.21.0git  lib/libLLVMSupport.so.21.0git  -Wl,-rpath-link,/vol/worker/mlir-nvidia/mlir-nvidia/llvm.obj/lib && :
ld.lld: error: undefined symbol: llvm::PrintModulePass::PrintModulePass(llvm::raw_ostream&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool, bool)
>>> referenced by SYCLSplitModule.cpp
>>>               lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o:(saveModuleDesc((anonymous namespace)::ModuleDesc&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool))

ld.lld: error: undefined symbol: llvm::PrintModulePass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)
>>> referenced by SYCLSplitModule.cpp
>>>               lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o:(llvm::detail::PassModel<llvm::Module, llvm::PrintModulePass, llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&))

ld.lld: error: undefined symbol: llvm::BitcodeWriterPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)
>>> referenced by SYCLSplitModule.cpp
>>>               lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o:(llvm::detail::PassModel<llvm::Module, llvm::BitcodeWriterPass, llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&))

ld.lld: error: undefined symbol: llvm::GlobalDCEPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)
>>> referenced by SYCLSplitModule.cpp
>>>               lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o:(llvm::detail::PassModel<llvm::Module, llvm::GlobalDCEPass, llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&))

ld.lld: error: undefined symbol: llvm::GlobalDCEPass::printPipeline(llvm::raw_ostream&, llvm::function_ref<llvm::StringRef (llvm::StringRef)>)
>>> referenced by SYCLSplitModule.cpp
>>>               lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o:(llvm::detail::PassModel<llvm::Module, llvm::GlobalDCEPass, llvm::AnalysisManager<llvm::Module> >::printPipeline(llvm::raw_ostream&, llvm::function_ref<llvm::StringRef (llvm::StringRef)>))

ld.lld: error: undefined symbol: llvm::StripDeadDebugInfoPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)
>>> referenced by SYCLSplitModule.cpp
>>>               lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o:(llvm::detail::PassModel<llvm::Module, llvm::StripDeadDebugInfoPass, llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&))

ld.lld: error: undefined symbol: llvm::StripDeadPrototypesPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)
>>> referenced by SYCLSplitModule.cpp
>>>               lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o:(llvm::detail::PassModel<llvm::Module, llvm::StripDeadPrototypesPass, llvm::AnalysisManager<llvm::Module> >::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&))
clang: error: linker command failed with exit code 1 (use -v to see invocation)
24.112 [409/4/4730] Linking CXX shared library lib/libLLVMExecutionEngine.so.21.0git
24.115 [409/3/4731] Linking CXX shared library lib/libLLVMCGData.so.21.0git
24.232 [409/2/4732] Linking CXX shared library lib/libMLIRLLVMDialect.so.21.0git
29.201 [409/1/4733] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/AsmPrinter.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/119713