[llvm] [Bolt] Add a new hidden option to perf2bolt for testing purpose (PR #163785)

[via llvm-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

The build failed before running any tests. Click on a failure below to see the details.

<details>
<summary>tools/bolt/unittests/Core/CoreTests</summary>

```
FAILED: tools/bolt/unittests/Core/CoreTests
: && /opt/llvm/bin/clang++ -gmlt -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 -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -no-pie -fuse-ld=lld -Wl,--color-diagnostics    -Wl,--gc-sections tools/bolt/unittests/Core/CMakeFiles/CoreTests.dir/BinaryContext.cpp.o tools/bolt/unittests/Core/CMakeFiles/CoreTests.dir/ClusteredRows.cpp.o tools/bolt/unittests/Core/CMakeFiles/CoreTests.dir/MCPlusBuilder.cpp.o tools/bolt/unittests/Core/CMakeFiles/CoreTests.dir/MemoryMaps.cpp.o tools/bolt/unittests/Core/CMakeFiles/CoreTests.dir/DynoStats.cpp.o tools/bolt/unittests/Core/CMakeFiles/CoreTests.dir/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Testing/Support/Error.cpp.o -o tools/bolt/unittests/Core/CoreTests  lib/libLLVMDebugInfoDWARF.a  lib/libLLVMObject.a  lib/libLLVMMC.a  lib/libLLVMAArch64CodeGen.a  lib/libLLVMAArch64AsmParser.a  lib/libLLVMAArch64Desc.a  lib/libLLVMAArch64Disassembler.a  lib/libLLVMAArch64Info.a  lib/libLLVMAArch64Utils.a  lib/libLLVMX86CodeGen.a  lib/libLLVMX86AsmParser.a  lib/libLLVMX86Desc.a  lib/libLLVMX86Disassembler.a  lib/libLLVMX86Info.a  lib/libLLVMRISCVCodeGen.a  lib/libLLVMRISCVAsmParser.a  lib/libLLVMRISCVDesc.a  lib/libLLVMRISCVDisassembler.a  lib/libLLVMRISCVInfo.a  lib/libLLVMSupport.a  lib/libllvm_gtest_main.a  lib/libllvm_gtest.a  lib/libLLVMBOLTCore.a  lib/libLLVMBOLTRewrite.a  lib/libLLVMBOLTProfile.a  lib/libLLVMBOLTUtils.a  lib/libLLVMPasses.a  lib/libLLVMCFGuard.a  lib/libLLVMGlobalISel.a  lib/libLLVMIRPrinter.a  lib/libLLVMCoroutines.a  lib/libLLVMHipStdPar.a  lib/libLLVMSelectionDAG.a  lib/libLLVMipo.a  lib/libLLVMVectorize.a  lib/libLLVMSandboxIR.a  lib/libLLVMInstrumentation.a  lib/libLLVMFrontendOpenMP.a  lib/libLLVMFrontendOffloading.a  lib/libLLVMObjectYAML.a  lib/libLLVMFrontendAtomic.a  lib/libLLVMFrontendDirective.a  lib/libLLVMLinker.a  -lpthread  lib/libLLVMDWARFLinkerClassic.a  lib/libLLVMDWARFLinker.a  lib/libLLVMBOLTRuntimeLibs.a  lib/libLLVMJITLink.a  lib/libLLVMOrcTargetProcess.a  lib/libLLVMOrcShared.a  lib/libLLVMOption.a  lib/libLLVMBOLTPasses.a  lib/libLLVMBOLTTargetAArch64.a  lib/libLLVMAArch64Desc.a  lib/libLLVMAArch64Info.a  lib/libLLVMAArch64Utils.a  lib/libLLVMBOLTTargetX86.a  lib/libLLVMX86Desc.a  lib/libLLVMX86Info.a  lib/libLLVMBOLTTargetRISCV.a  lib/libLLVMRISCVDesc.a  lib/libLLVMRISCVInfo.a  lib/libLLVMBOLTCore.a  lib/libLLVMBOLTUtils.a  lib/libLLVMAsmPrinter.a  lib/libLLVMCodeGen.a  lib/libLLVMScalarOpts.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMInstCombine.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMTransformUtils.a  lib/libLLVMCGData.a  lib/libLLVMBitWriter.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMTarget.a  lib/libLLVMAnalysis.a  lib/libLLVMProfileData.a  lib/libLLVMSymbolize.a  lib/libLLVMDebugInfoGSYM.a  lib/libLLVMDebugInfoDWARF.a  lib/libLLVMDebugInfoPDB.a  lib/libLLVMObject.a  lib/libLLVMIRReader.a  lib/libLLVMBitReader.a  lib/libLLVMAsmParser.a  lib/libLLVMMCParser.a  lib/libLLVMTextAPI.a  lib/libLLVMDebugInfoMSF.a  lib/libLLVMDebugInfoBTF.a  lib/libLLVMFrontendHLSL.a  lib/libLLVMCore.a  lib/libLLVMRemarks.a  lib/libLLVMBitstreamReader.a  lib/libLLVMDebugInfoCodeView.a  lib/libLLVMMCDisassembler.a  lib/libLLVMMC.a  lib/libLLVMDebugInfoDWARFLowLevel.a  lib/libLLVMBinaryFormat.a  lib/libLLVMTargetParser.a  lib/libLLVMSupport.a  -lrt  -ldl  -lm  /usr/lib/x86_64-linux-gnu/libz.so  lib/libLLVMDemangle.a && :
ld.lld: error: undefined symbol: opts::ReadPerfEvents[abi:cxx11]
>>> referenced by MemoryMaps.cpp:96 (/home/gha/actions-runner/_work/llvm-project/llvm-project/bolt/unittests/Core/MemoryMaps.cpp:96)
>>>               tools/bolt/unittests/Core/CMakeFiles/CoreTests.dir/MemoryMaps.cpp.o:(MemoryMapsTester_ParseMultipleSegments_Test::TestBody())
>>> referenced by MemoryMaps.cpp:127 (/home/gha/actions-runner/_work/llvm-project/llvm-project/bolt/unittests/Core/MemoryMaps.cpp:127)
>>>               tools/bolt/unittests/Core/CMakeFiles/CoreTests.dir/MemoryMaps.cpp.o:(MemoryMapsTester_MultipleSegmentsMismatchedBaseAddress_Test::TestBody())
clang++: error: linker command failed with exit code 1 (use -v to see invocation)
```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/163785