[llvm] [ORC] Add LoadRelocatableObject: universal binary support, clearer er… (PR #104406)

Thu Aug 15 16:56:04 PDT 2024

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/3388

Here is the relevant piece of the build log for the reference:
```
Step 5 (build-unified-tree) failure: build (failure)
...
55.751 [16/11/2601] Linking CXX executable bin/llvm-reduce
55.766 [16/10/2602] Building CXX object tools/bugpoint-passes/CMakeFiles/BugpointPasses.dir/TestPasses.cpp.o
55.770 [15/10/2603] Creating library symlink lib/libLLVMOptDriver.so
55.827 [14/10/2604] Linking CXX shared module lib/BugpointPasses.so
55.890 [14/9/2605] Linking CXX executable bin/opt
56.660 [14/8/2606] Building CXX object lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/ELFNixPlatform.cpp.o
57.445 [14/7/2607] Building CXX object lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/COFFPlatform.cpp.o
59.019 [14/6/2608] Building CXX object lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/MachOPlatform.cpp.o
60.763 [14/5/2609] Building CXX object lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/LLJIT.cpp.o
61.002 [13/5/2610] Linking CXX shared library lib/libLLVMOrcJIT.so.20.0git
FAILED: lib/libLLVMOrcJIT.so.20.0git 
: && /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,libLLVMOrcJIT.so.20.0git -o lib/libLLVMOrcJIT.so.20.0git lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/COFFVCRuntimeSupport.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/COFFPlatform.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/CompileOnDemandLayer.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/CompileUtils.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/Core.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/DebugObjectManagerPlugin.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/DebugUtils.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/EPCDynamicLibrarySearchGenerator.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/EPCDebugObjectRegistrar.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/EPCEHFrameRegistrar.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/EPCGenericDylibManager.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/EPCGenericJITLinkMemoryManager.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/EPCGenericRTDyldMemoryManager.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/EPCIndirectionUtils.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/ExecutionUtils.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/ObjectFileInterface.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/IndirectionUtils.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/IRCompileLayer.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/IRTransformLayer.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/JITTargetMachineBuilder.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/LazyReexports.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/Layer.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/LoadRelocatableObject.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/LookupAndRecordAddrs.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/LLJIT.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/MachO.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/MachOPlatform.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/MapperJITLinkMemoryManager.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/MemoryMapper.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/ELFNixPlatform.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/Mangling.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/ObjectLinkingLayer.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/ObjectTransformLayer.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/OrcABISupport.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/OrcV2CBindings.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/RTDyldObjectLinkingLayer.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/SectCreate.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/SimpleRemoteEPC.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/Speculation.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/SpeculateAnalyses.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/ExecutorProcessControl.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/TaskDispatch.cpp.o lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/ThreadSafeModule.cpp.o  -Wl,-rpath,"\$ORIGIN/../lib:/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx-nvidia-ubuntu/build/lib:"  -lrt  lib/libLLVMExecutionEngine.so.20.0git  lib/libLLVMJITLink.so.20.0git  lib/libLLVMOrcTargetProcess.so.20.0git  lib/libLLVMWindowsDriver.so.20.0git  lib/libLLVMPasses.so.20.0git  lib/libLLVMRuntimeDyld.so.20.0git  lib/libLLVMBitWriter.so.20.0git  lib/libLLVMTransformUtils.so.20.0git  lib/libLLVMTarget.so.20.0git  lib/libLLVMAnalysis.so.20.0git  lib/libLLVMObject.so.20.0git  lib/libLLVMBitReader.so.20.0git  lib/libLLVMCore.so.20.0git  lib/libLLVMMC.so.20.0git  lib/libLLVMOrcShared.so.20.0git  lib/libLLVMTargetParser.so.20.0git  lib/libLLVMSupport.so.20.0git  -Wl,-rpath-link,/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx-nvidia-ubuntu/build/lib && :
lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/LoadRelocatableObject.cpp.o:LoadRelocatableObject.cpp:function llvm::orc::loadRelocatableObject(llvm::StringRef, llvm::Triple const&): error: undefined reference to 'llvm::identify_magic(llvm::StringRef)'
lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/MachO.cpp.o:MachO.cpp:function llvm::orc::loadMachORelocatableObject(llvm::StringRef, llvm::Triple const&): error: undefined reference to 'llvm::identify_magic(llvm::StringRef)'
collect2: error: ld returned 1 exit status
66.583 [13/4/2611] Building CXX object tools/llvm-exegesis/CMakeFiles/llvm-exegesis.dir/llvm-exegesis.cpp.o
67.123 [13/3/2612] Building CXX object tools/lli/CMakeFiles/lli.dir/lli.cpp.o
67.560 [13/2/2613] Building CXX object tools/llvm-exegesis/lib/X86/CMakeFiles/obj.LLVMExegesisX86.dir/Target.cpp.o
70.569 [13/1/2614] Building CXX object tools/llvm-jitlink/CMakeFiles/llvm-jitlink.dir/llvm-jitlink.cpp.o
ninja: build stopped: subcommand failed.

```

https://github.com/llvm/llvm-project/pull/104406