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

Tue Mar 11 06:38:20 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `openmp-offload-amdgpu-runtime-2` running on `rocm-worker-hw-02` while building `llvm` at step 5 "compile-openmp".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/10/builds/1065

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

```
Step 5 (compile-openmp) failure: build (failure)
...
9.621 [746/24/3789] Linking CXX shared library lib/libLLVMCGData.so.21.0git
9.631 [745/24/3790] Linking CXX shared library lib/libLLVMExecutionEngine.so.21.0git
9.631 [744/24/3791] Creating library symlink lib/libLLVMCGData.so
9.633 [744/23/3792] Linking CXX executable bin/llvm-as
9.633 [744/22/3793] Linking CXX executable bin/llvm-cat
9.634 [744/21/3794] Linking CXX executable bin/llvm-modextract
9.634 [744/20/3795] Linking CXX executable bin/verify-uselistorder
9.639 [744/19/3796] Creating library symlink lib/libLLVMExecutionEngine.so
9.640 [743/19/3797] Building AMDGPUGenMCPseudoLowering.inc...
9.672 [743/18/3798] 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   -Wl,-rpath-link,/home/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.build/./lib  -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/
MakeFiles/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/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.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/botworker/builds/openmp-offload-amdgpu-runtime-2/llvm.build/lib && :
/usr/bin/ld: lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o: in function `llvm::detail::PassModel<llvm::Module, llvm::GlobalDCEPass, llvm::AnalysisManager<llvm::Module>>::printPipeline(llvm::raw_ostream&, llvm::function_ref<llvm::StringRef (llvm::StringRef)>)':
SYCLSplitModule.cpp:(.text._ZN4llvm6detail9PassModelINS_6ModuleENS_13GlobalDCEPassENS_15AnalysisManagerIS2_JEEEJEE13printPipelineERNS_11raw_ostreamENS_12function_refIFNS_9StringRefESA_EEE[_ZN4llvm6detail9PassModelINS_6ModuleENS_13GlobalDCEPassENS_15AnalysisManagerIS2_JEEEJEE13printPipelineERNS_11raw_ostreamENS_12function_refIFNS_9StringRefESA_EEE]+0x9): undefined reference to `llvm::GlobalDCEPass::printPipeline(llvm::raw_ostream&, llvm::function_ref<llvm::StringRef (llvm::StringRef)>)'
/usr/bin/ld: lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o: in function `llvm::detail::PassModel<llvm::Module, llvm::GlobalDCEPass, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)':
SYCLSplitModule.cpp:(.text._ZN4llvm6detail9PassModelINS_6ModuleENS_13GlobalDCEPassENS_15AnalysisManagerIS2_JEEEJEE3runERS2_RS5_[_ZN4llvm6detail9PassModelINS_6ModuleENS_13GlobalDCEPassENS_15AnalysisManagerIS2_JEEEJEE3runERS2_RS5_]+0x22): undefined reference to `llvm::GlobalDCEPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)'
/usr/bin/ld: lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o: in function `llvm::detail::PassModel<llvm::Module, llvm::BitcodeWriterPass, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)':
SYCLSplitModule.cpp:(.text._ZN4llvm6detail9PassModelINS_6ModuleENS_17BitcodeWriterPassENS_15AnalysisManagerIS2_JEEEJEE3runERS2_RS5_[_ZN4llvm6detail9PassModelINS_6ModuleENS_17BitcodeWriterPassENS_15AnalysisManagerIS2_JEEEJEE3runERS2_RS5_]+0x22): undefined reference to `llvm::BitcodeWriterPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)'
/usr/bin/ld: lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o: in function `llvm::detail::PassModel<llvm::Module, llvm::PrintModulePass, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)':
SYCLSplitModule.cpp:(.text._ZN4llvm6detail9PassModelINS_6ModuleENS_15PrintModulePassENS_15AnalysisManagerIS2_JEEEJEE3runERS2_RS5_[_ZN4llvm6detail9PassModelINS_6ModuleENS_15PrintModulePassENS_15AnalysisManagerIS2_JEEEJEE3runERS2_RS5_]+0x22): undefined reference to `llvm::PrintModulePass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)'
/usr/bin/ld: lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o: in function `llvm::detail::PassModel<llvm::Module, llvm::StripDeadPrototypesPass, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)':
SYCLSplitModule.cpp:(.text._ZN4llvm6detail9PassModelINS_6ModuleENS_23StripDeadPrototypesPassENS_15AnalysisManagerIS2_JEEEJEE3runERS2_RS5_[_ZN4llvm6detail9PassModelINS_6ModuleENS_23StripDeadPrototypesPassENS_15AnalysisManagerIS2_JEEEJEE3runERS2_RS5_]+0x22): undefined reference to `llvm::StripDeadPrototypesPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)'
/usr/bin/ld: lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o: in function `llvm::detail::PassModel<llvm::Module, llvm::StripDeadDebugInfoPass, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)':
SYCLSplitModule.cpp:(.text._ZN4llvm6detail9PassModelINS_6ModuleENS_22StripDeadDebugInfoPassENS_15AnalysisManagerIS2_JEEEJEE3runERS2_RS5_[_ZN4llvm6detail9PassModelINS_6ModuleENS_22StripDeadDebugInfoPassENS_15AnalysisManagerIS2_JEEEJEE3runERS2_RS5_]+0x22): undefined reference to `llvm::StripDeadDebugInfoPass::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&)'
/usr/bin/ld: lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SYCLSplitModule.cpp.o: in function `saveModuleDesc((anonymous namespace)::ModuleDesc&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool)':
SYCLSplitModule.cpp:(.text._ZL14saveModuleDescRN12_GLOBAL__N_110ModuleDescENSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEb+0x29b): 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
9.708 [743/17/3799] Linking CXX shared library lib/libLLVMMCJIT.so.21.0git
10.328 [743/16/3800] Building AMDGPUGenRegBankGICombiner.inc...
10.476 [743/15/3801] Building AMDGPUGenPreLegalizeGICombiner.inc...
10.626 [743/14/3802] Building AMDGPUGenPostLegalizeGICombiner.inc...
10.736 [743/13/3803] Building AMDGPUGenSubtargetInfo.inc...
10.968 [743/12/3804] Building AMDGPUGenMCCodeEmitter.inc...
11.095 [743/11/3805] Building AMDGPUGenDisassemblerTables.inc...
11.626 [743/10/3806] Building AMDGPUGenSearchableTables.inc...
12.299 [743/9/3807] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/AsmPrinter.cpp.o
13.159 [743/8/3808] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/LTO.cpp.o
14.793 [743/7/3809] Building AMDGPUGenAsmWriter.inc...
16.163 [743/6/3810] Building AMDGPUGenGlobalISel.inc...
16.417 [743/5/3811] Building AMDGPUGenAsmMatcher.inc...
16.717 [743/4/3812] Building AMDGPUGenInstrInfo.inc...
16.742 [743/3/3813] Building AMDGPUGenDAGISel.inc...
17.993 [743/2/3814] Building AMDGPUGenRegisterInfo.inc...
18.053 [743/1/3815] Building AMDGPUGenRegisterBank.inc...
ninja: build stopped: subcommand failed.

```

</details>

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