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

Tue Mar 11 06:39:26 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-nvptx64-nvidia-ubuntu` running on `as-builder-7` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/160/builds/14413

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
42.327 [404/27/2293] Building NVPTXGenInstrInfo.inc...
42.359 [404/26/2294] Linking CXX shared library lib/libLLVMExecutionEngine.so.21.0git
42.361 [403/26/2295] Linking CXX executable bin/llvm-cat
42.363 [403/25/2296] Linking CXX executable bin/llvm-modextract
42.364 [403/24/2297] Linking CXX executable bin/llvm-as
42.364 [403/23/2298] Linking CXX executable bin/verify-uselistorder
42.372 [403/22/2299] Linking CXX shared library lib/libLLVMCGData.so.21.0git
42.380 [402/22/2300] Creating library symlink lib/libLLVMExecutionEngine.so
42.393 [401/22/2301] Creating library symlink lib/libLLVMCGData.so
42.440 [401/21/2302] Linking CXX shared library lib/libLLVMTransformUtils.so.21.0git
FAILED: lib/libLLVMTransformUtils.so.21.0git 
: && /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 -O3 -DNDEBUG  -Wl,-z,defs -Wl,-z,nodelete -fuse-ld=gold   -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:/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/lib:"  lib/libLLVMAnalysis.so.21.0git  lib/libLLVMCore.so.21.0git  lib/libLLVMTargetParser.so.21.0git  lib/libLLVMSupport.so.21.0git  -Wl,-rpath-link,/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/lib && :
lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o:SYCLSplitModule.cpp:function llvm::detail::PassModel<llvm::Module, llvm::GlobalDCEPass, llvm::AnalysisManager<llvm::Module>>::printPipeline(llvm::raw_ostream&, llvm::function_ref<llvm::StringRef (llvm::StringRef)>): error: undefined reference to 'llvm::GlobalDCEPass::printPipeline(llvm::raw_ostream&, llvm::function_ref<llvm::StringRef (llvm::StringRef)>)'
lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o:SYCLSplitModule.cpp:function llvm::detail::PassModel<llvm::Module, llvm::GlobalDCEPass, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&): error: undefined reference to 'llvm::GlobalDCEPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)'
lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o:SYCLSplitModule.cpp:function llvm::detail::PassModel<llvm::Module, llvm::BitcodeWriterPass, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&): error: undefined reference to 'llvm::BitcodeWriterPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)'
lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o:SYCLSplitModule.cpp:function llvm::detail::PassModel<llvm::Module, llvm::PrintModulePass, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&): error: undefined reference to 'llvm::PrintModulePass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)'
lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o:SYCLSplitModule.cpp:function llvm::detail::PassModel<llvm::Module, llvm::StripDeadPrototypesPass, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&): error: undefined reference to 'llvm::StripDeadPrototypesPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)'
lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o:SYCLSplitModule.cpp:function llvm::detail::PassModel<llvm::Module, llvm::StripDeadDebugInfoPass, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&): error: undefined reference to 'llvm::StripDeadDebugInfoPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)'
lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o:SYCLSplitModule.cpp:function saveModuleDesc((anonymous namespace)::ModuleDesc&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool): error: undefined reference to 'llvm::PrintModulePass::PrintModulePass(llvm::raw_ostream&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool, bool)'
collect2: error: ld returned 1 exit status
42.466 [401/20/2303] Linking CXX shared library lib/libLLVMMCJIT.so.21.0git
42.615 [401/19/2304] Building NVPTXGenDAGISel.inc...
42.958 [401/18/2305] Building X86GenCallingConv.inc...
42.961 [401/17/2306] Building X86GenExegesis.inc...
43.189 [401/16/2307] Building X86GenRegisterInfo.inc...
43.197 [401/15/2308] Building X86GenRegisterBank.inc...
43.502 [401/14/2309] Building X86GenMnemonicTables.inc...
43.759 [401/13/2310] Building X86GenInstrMapping.inc...
43.767 [401/12/2311] Building X86GenAsmWriter.inc...
43.785 [401/11/2312] Building X86GenAsmWriter1.inc...
44.010 [401/10/2313] Building X86GenAsmMatcher.inc...
44.060 [401/9/2314] Building X86GenDisassemblerTables.inc...
44.065 [401/8/2315] Building X86GenFoldTables.inc...
45.211 [401/7/2316] Building X86GenFastISel.inc...
46.036 [401/6/2317] Building X86GenSubtargetInfo.inc...
46.364 [401/5/2318] Building X86GenDAGISel.inc...
47.795 [401/4/2319] Building X86GenInstrInfo.inc...
48.036 [401/3/2320] Building X86GenGlobalISel.inc...
48.360 [401/2/2321] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/AsmPrinter.cpp.o
50.061 [401/1/2322] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/LTO.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

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