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

Thu Aug 15 18:34:35 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-ppc64le-rhel` running on `ppc64le-clang-rhel-test` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/145/builds/1223

Here is the relevant piece of the build log for the reference:
```
Step 5 (build-unified-tree) failure: build (failure)
...
63.857 [754/32/5452] Creating library symlink lib/libLLVMX86CodeGen.so
63.858 [754/31/5453] Linking CXX shared library lib/libclangHandleLLVM.so.20.0git
63.868 [753/31/5454] Creating library symlink lib/libclangHandleLLVM.so
64.236 [753/30/5455] Building CXX object lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/ELFNixPlatform.cpp.o
64.430 [753/29/5456] Building CXX object tools/llvm-exegesis/lib/Mips/CMakeFiles/obj.LLVMExegesisMips.dir/Target.cpp.o
65.841 [753/28/5457] Building CXX object lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/COFFPlatform.cpp.o
66.654 [753/27/5458] Building CXX object lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/LLJIT.cpp.o
68.134 [753/26/5459] Building CXX object lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/MachOPlatform.cpp.o
68.166 [752/26/5460] Building CXX object tools/llvm-exegesis/lib/PowerPC/CMakeFiles/obj.LLVMExegesisPowerPC.dir/Target.cpp.o
68.227 [752/25/5461] Linking CXX shared library lib/libLLVMOrcJIT.so.20.0git
FAILED: lib/libLLVMOrcJIT.so.20.0git 
: && /home/docker/llvm-external-buildbots/clang.17.0.6/bin/clang++ --gcc-toolchain=/gcc-toolchain/usr -fPIC -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -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 -Wl,--color-diagnostics   -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/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/lib:"  -lpt
read  -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/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/lib && :
ld.lld: error: undefined symbol: llvm::identify_magic(llvm::StringRef)
>>> referenced by LoadRelocatableObject.cpp
>>>               lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/LoadRelocatableObject.cpp.o:(llvm::orc::loadRelocatableObject(llvm::StringRef, llvm::Triple const&))
>>> referenced by MachO.cpp
>>>               lib/ExecutionEngine/Orc/CMakeFiles/LLVMOrcJIT.dir/MachO.cpp.o:(llvm::orc::loadMachORelocatableObject(llvm::StringRef, llvm::Triple const&))
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
68.538 [752/24/5462] Building RISCVGenDAGISel.inc...
70.302 [752/23/5463] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/LTO.cpp.o
71.706 [752/22/5464] Building CXX object tools/llvm-exegesis/lib/AArch64/CMakeFiles/obj.LLVMExegesisAArch64.dir/Target.cpp.o
72.329 [752/21/5465] Building CXX object tools/llvm-exegesis/lib/X86/CMakeFiles/obj.LLVMExegesisX86.dir/Target.cpp.o
72.681 [752/20/5466] Building CXX object tools/lli/CMakeFiles/lli.dir/lli.cpp.o
73.306 [752/19/5467] Building CXX object tools/clang/lib/Interpreter/CMakeFiles/obj.clangInterpreter.dir/Interpreter.cpp.o
77.151 [752/18/5468] Building CXX object tools/llvm-exegesis/CMakeFiles/llvm-exegesis.dir/llvm-exegesis.cpp.o
81.098 [752/17/5469] Building AMDGPUGenCallingConv.inc...
82.539 [752/16/5470] Building AMDGPUGenMCPseudoLowering.inc...
82.548 [752/15/5471] Building AMDGPUGenSubtargetInfo.inc...
82.630 [752/14/5472] Building AMDGPUGenRegBankGICombiner.inc...
82.810 [752/13/5473] Building AMDGPUGenMCCodeEmitter.inc...
83.301 [752/12/5474] Building AMDGPUGenPostLegalizeGICombiner.inc...
83.696 [752/11/5475] Building AMDGPUGenSearchableTables.inc...
84.261 [752/10/5476] Building AMDGPUGenDisassemblerTables.inc...
84.498 [752/9/5477] Building RISCVGenSubtargetInfo.inc...
84.982 [752/8/5478] Building AMDGPUGenPreLegalizeGICombiner.inc...
95.688 [752/7/5479] Building AMDGPUGenAsmWriter.inc...
98.311 [752/6/5480] Building AMDGPUGenAsmMatcher.inc...
98.488 [752/5/5481] Building AMDGPUGenGlobalISel.inc...
99.707 [752/4/5482] Building AMDGPUGenDAGISel.inc...
101.557 [752/3/5483] Building AMDGPUGenInstrInfo.inc...
109.279 [752/2/5484] Building AMDGPUGenRegisterInfo.inc...
111.059 [752/1/5485] Building AMDGPUGenRegisterBank.inc...
ninja: build stopped: subcommand failed.

```

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