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

Tue Mar 11 06:41:02 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-nvptx-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/180/builds/14410

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
43.661 [365/28/2331] Linking CXX executable bin/llvm-as
43.661 [365/27/2332] Linking CXX executable bin/llvm-modextract
43.662 [365/26/2333] Linking CXX executable bin/verify-uselistorder
43.665 [365/25/2334] Linking CXX shared library lib/libLLVMExecutionEngine.so.21.0git
43.672 [364/25/2335] Linking CXX shared library lib/libLLVMCGData.so.21.0git
43.674 [363/25/2336] Creating library symlink lib/libLLVMExecutionEngine.so
43.694 [362/25/2337] Creating library symlink lib/libLLVMCGData.so
43.709 [362/24/2338] Building X86GenAsmWriter1.inc...
43.711 [362/23/2339] Building X86GenAsmWriter.inc...
43.749 [362/22/2340] 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-nvptx-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-nvptx-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
43.750 [362/21/2341] Building CXX object lib/Target/NVPTX/CMakeFiles/LLVMNVPTXCodeGen.dir/NVPTXInstrInfo.cpp.o
43.758 [362/20/2342] Linking CXX shared library lib/libLLVMMCJIT.so.21.0git
43.779 [362/19/2343] Building CXX object lib/Target/NVPTX/CMakeFiles/LLVMNVPTXCodeGen.dir/NVPTXPeephole.cpp.o
43.827 [362/18/2344] Building CXX object lib/Target/NVPTX/CMakeFiles/LLVMNVPTXCodeGen.dir/NVPTXFrameLowering.cpp.o
43.828 [362/17/2345] Building CXX object lib/Target/NVPTX/CMakeFiles/LLVMNVPTXCodeGen.dir/NVPTXRegisterInfo.cpp.o
43.842 [362/16/2346] Building CXX object lib/Target/NVPTX/CMakeFiles/LLVMNVPTXCodeGen.dir/NVPTXReplaceImageHandles.cpp.o
43.924 [362/15/2347] Building CXX object lib/Target/NVPTX/CMakeFiles/LLVMNVPTXCodeGen.dir/NVPTXLowerArgs.cpp.o
43.966 [362/14/2348] Building X86GenInstrMapping.inc...
43.978 [362/13/2349] Building X86GenAsmMatcher.inc...
43.990 [362/12/2350] Building CXX object lib/Target/NVPTX/CMakeFiles/LLVMNVPTXCodeGen.dir/NVPTXISelLowering.cpp.o
44.020 [362/11/2351] Building X86GenFoldTables.inc...
44.059 [362/10/2352] Building X86GenDisassemblerTables.inc...
44.071 [362/9/2353] Building CXX object lib/Target/NVPTX/CMakeFiles/LLVMNVPTXCodeGen.dir/NVPTXAsmPrinter.cpp.o
44.143 [362/8/2354] Building CXX object lib/Target/NVPTX/CMakeFiles/LLVMNVPTXCodeGen.dir/NVPTXISelDAGToDAG.cpp.o
45.101 [362/7/2355] Building X86GenFastISel.inc...
45.392 [362/6/2356] Building X86GenGlobalISel.inc...
45.993 [362/5/2357] Building X86GenSubtargetInfo.inc...
46.355 [362/4/2358] Building X86GenDAGISel.inc...
47.421 [362/3/2359] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/AsmPrinter.cpp.o
47.597 [362/2/2360] Building X86GenInstrInfo.inc...
48.713 [362/1/2361] 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