[llvm] [VPlan] Remove no-op SCALAR-STEPS after unrolling. (PR #123655)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Tue Mar 25 06:03:27 PDT 2025 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-sie-ubuntu-fast` running on `sie-linux-worker` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/144/builds/21218

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
20.216 [3/22/119] Linking CXX executable bin/lli-child-target
20.441 [3/21/120] Linking CXX executable bin/llvm-link
20.741 [3/20/121] Linking CXX executable bin/llvm-profgen
20.814 [3/19/122] Linking CXX executable bin/llvm-jitlink
20.970 [3/18/123] Linking CXX executable bin/llvm-extract
21.306 [3/17/124] Linking CXX executable bin/llvm-exegesis
21.506 [3/16/125] Linking CXX executable bin/lli
21.507 [3/15/126] Linking CXX executable bin/bugpoint
21.645 [3/14/127] Linking CXX executable bin/clang-linker-wrapper
21.748 [3/13/128] Linking CXX executable bin/opt
FAILED: bin/opt 
: && /usr/bin/g++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -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 -fuse-ld=gold   -Wl,--export-dynamic tools/opt/CMakeFiles/opt.dir/opt.cpp.o -o bin/opt  -Wl,-rpath,"\$ORIGIN/../lib:"  lib/libLLVMX86AsmParser.a  lib/libLLVMX86CodeGen.a  lib/libLLVMX86Desc.a  lib/libLLVMX86Info.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMAnalysis.a  lib/libLLVMAsmParser.a  lib/libLLVMBitWriter.a  lib/libLLVMCFGuard.a  lib/libLLVMCodeGen.a  lib/libLLVMCore.a  lib/libLLVMCoroutines.a  lib/libLLVMExtensions.a  lib/libLLVMipo.a  lib/libLLVMIRReader.a  lib/libLLVMIRPrinter.a  lib/libLLVMInstCombine.a  lib/libLLVMInstrumentation.a  lib/libLLVMMC.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMRemarks.a  lib/libLLVMScalarOpts.a  lib/libLLVMSupport.a  lib/libLLVMTarget.a  lib/libLLVMTargetParser.a  lib/libLLVMTransformUtils.a  lib/libLLVMVectorize.a  lib/libLLVMPasses.a  lib/libLLVMOptDriver.a  lib/libLLVMX86AsmParser.a  lib/libLLVMX86CodeGen.a  lib/libLLVMAsmPrinter.a  lib/libLLVMGlobalISel.a  lib/libLLVMSelectionDAG.a  lib/libLLVMX86Desc.a  lib/libLLVMMCDisassembler.a  lib/libLLVMX86Info.a  lib/libLLVMExtensions.a  lib/libLLVMPasses.a  lib/libLLVMCFGuard.a  lib/libLLVMCodeGen.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMCGData.a  lib/libLLVMCoroutines.a  lib/libLLVMipo.a  lib/libLLVMBitWriter.a  lib/libLLVMFrontendOpenMP.a  lib/libLLVMFrontendOffloading.a  lib/libLLVMObjectYAML.a  lib/libLLVMFrontendAtomic.a  lib/libLLVMLinker.a  lib/libLLVMIRPrinter.a  lib/libLLVMInstrumentation.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMScalarOpts.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMInstCombine.a  lib/libLLVMTarget.a  lib/libLLVMVectorize.a  lib/libLLVMSandboxIR.a  lib/libLLVMHipStdPar.a  lib/libLLVMTransformUtils.a  lib/libLLVMAnalysis.a  lib/libLLVMProfileData.a  lib/libLLVMSymbolize.a  lib/libLLVMDebugInfoDWARF.a  lib/libLLVMDebugInfoPDB.a  lib/libLLVMDebugInfoCodeView.a  lib/libLLVMDebugInfoMSF.a  lib/libLLVMDebugInfoBTF.a  lib/libLLVMObject.a  lib/libLLVMIRReader.a  lib/libLLVMAsmParser.a  lib/libLLVMMCParser.a  lib/libLLVMMC.a  lib/libLLVMBitReader.a  lib/libLLVMTextAPI.a  lib/libLLVMCore.a  lib/libLLVMRemarks.a  lib/libLLVMBitstreamReader.a  lib/libLLVMBinaryFormat.a  lib/libLLVMTargetParser.a  lib/libLLVMSupport.a  lib/libLLVMDemangle.a  -lrt  -ldl  -lm  /usr/lib/x86_64-linux-gnu/libz.so && :
lib/libLLVMVectorize.a(VPlanTransforms.cpp.o):VPlanTransforms.cpp:function llvm::VPlanTransforms::simplifyRecipes(llvm::VPlan&, llvm::Type&) [clone .localalias]: error: undefined reference to 'llvm::VPUnrollPartAccessor<2u>::getUnrollPart(llvm::VPUser&) const'
collect2: error: ld returned 1 exit status
21.750 [3/12/129] Linking CXX executable bin/llc
FAILED: bin/llc 
: && /usr/bin/g++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -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 -fuse-ld=gold   -Wl,--export-dynamic tools/llc/CMakeFiles/llc.dir/llc.cpp.o tools/llc/CMakeFiles/llc.dir/NewPMDriver.cpp.o -o bin/llc  -Wl,-rpath,"\$ORIGIN/../lib:"  lib/libLLVMX86AsmParser.a  lib/libLLVMX86CodeGen.a  lib/libLLVMX86Desc.a  lib/libLLVMX86Info.a  lib/libLLVMAnalysis.a  lib/libLLVMAsmPrinter.a  lib/libLLVMCodeGen.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMCore.a  lib/libLLVMIRPrinter.a  lib/libLLVMIRReader.a  lib/libLLVMMC.a  lib/libLLVMMIRParser.a  lib/libLLVMPasses.a  lib/libLLVMRemarks.a  lib/libLLVMScalarOpts.a  lib/libLLVMSelectionDAG.a  lib/libLLVMSupport.a  lib/libLLVMTarget.a  lib/libLLVMTargetParser.a  lib/libLLVMTransformUtils.a  lib/libLLVMVectorize.a  lib/libLLVMMCDisassembler.a  lib/libLLVMGlobalISel.a  lib/libLLVMSelectionDAG.a  lib/libLLVMCodeGen.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMCGData.a  lib/libLLVMIRPrinter.a  lib/libLLVMTarget.a  lib/libLLVMCFGuard.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMCoroutines.a  lib/libLLVMHipStdPar.a  lib/libLLVMipo.a  lib/libLLVMVectorize.a  lib/libLLVMSandboxIR.a  lib/libLLVMInstrumentation.a  lib/libLLVMBitWriter.a  lib/libLLVMFrontendOpenMP.a  lib/libLLVMScalarOpts.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMFrontendOffloading.a  lib/libLLVMObjectYAML.a  lib/libLLVMFrontendAtomic.a  lib/libLLVMLinker.a  lib/libLLVMInstCombine.a  lib/libLLVMTransformUtils.a  lib/libLLVMAnalysis.a  lib/libLLVMProfileData.a  lib/libLLVMSymbolize.a  lib/libLLVMDebugInfoDWARF.a  lib/libLLVMDebugInfoPDB.a  lib/libLLVMDebugInfoCodeView.a  lib/libLLVMDebugInfoMSF.a  lib/libLLVMDebugInfoBTF.a  lib/libLLVMObject.a  lib/libLLVMIRReader.a  lib/libLLVMAsmParser.a  lib/libLLVMMCParser.a  lib/libLLVMMC.a  lib/libLLVMBitReader.a  lib/libLLVMTextAPI.a  lib/libLLVMCore.a  lib/libLLVMRemarks.a  lib/libLLVMBitstreamReader.a  lib/libLLVMBinaryFormat.a  lib/libLLVMTargetParser.a  lib/libLLVMSupport.a  lib/libLLVMDemangle.a  -lrt  -ldl  -lm  /usr/lib/x86_64-linux-gnu/libz.so && :
lib/libLLVMVectorize.a(VPlanTransforms.cpp.o):VPlanTransforms.cpp:function llvm::VPlanTransforms::simplifyRecipes(llvm::VPlan&, llvm::Type&) [clone .localalias]: error: undefined reference to 'llvm::VPUnrollPartAccessor<2u>::getUnrollPart(llvm::VPUser&) const'
collect2: error: ld returned 1 exit status
21.868 [3/11/130] Linking CXX executable bin/llvm-opt-fuzzer
FAILED: bin/llvm-opt-fuzzer 
: && /usr/bin/g++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -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 -fuse-ld=gold    -Wl,--gc-sections tools/llvm-opt-fuzzer/CMakeFiles/llvm-opt-fuzzer.dir/DummyOptFuzzer.cpp.o tools/llvm-opt-fuzzer/CMakeFiles/llvm-opt-fuzzer.dir/llvm-opt-fuzzer.cpp.o -o bin/llvm-opt-fuzzer  -Wl,-rpath,"\$ORIGIN/../lib"  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMX86AsmParser.a  lib/libLLVMX86CodeGen.a  lib/libLLVMX86Desc.a  lib/libLLVMX86Info.a  lib/libLLVMAnalysis.a  lib/libLLVMBitReader.a  lib/libLLVMBitWriter.a  lib/libLLVMCodeGen.a  lib/libLLVMCore.a  lib/libLLVMCoroutines.a  lib/libLLVMFuzzMutate.a  lib/libLLVMFuzzerCLI.a  lib/libLLVMipo.a  lib/libLLVMInstCombine.a  lib/libLLVMInstrumentation.a  lib/libLLVMMC.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMPasses.a  lib/libLLVMScalarOpts.a  lib/libLLVMSupport.a  lib/libLLVMTarget.a  lib/libLLVMTargetParser.a  lib/libLLVMTransformUtils.a  lib/libLLVMVectorize.a  lib/libLLVMMCDisassembler.a  lib/libLLVMAsmPrinter.a  lib/libLLVMGlobalISel.a  lib/libLLVMSelectionDAG.a  lib/libLLVMCodeGen.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMCGData.a  lib/libLLVMCoroutines.a  lib/libLLVMipo.a  lib/libLLVMBitWriter.a  lib/libLLVMFrontendOpenMP.a  lib/libLLVMFrontendOffloading.a  lib/libLLVMObjectYAML.a  lib/libLLVMFrontendAtomic.a  lib/libLLVMLinker.a  lib/libLLVMInstrumentation.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMScalarOpts.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMInstCombine.a  lib/libLLVMTarget.a  lib/libLLVMVectorize.a  lib/libLLVMSandboxIR.a  lib/libLLVMCFGuard.a  lib/libLLVMIRPrinter.a  lib/libLLVMHipStdPar.a  lib/libLLVMTransformUtils.a  lib/libLLVMAnalysis.a  lib/libLLVMProfileData.a  lib/libLLVMSymbolize.a  lib/libLLVMDebugInfoDWARF.a  lib/libLLVMDebugInfoPDB.a  lib/libLLVMDebugInfoCodeView.a  lib/libLLVMDebugInfoMSF.a  lib/libLLVMDebugInfoBTF.a  lib/libLLVMObject.a  lib/libLLVMMCParser.a  lib/libLLVMMC.a  lib/libLLVMIRReader.a  lib/libLLVMBitReader.a  lib/libLLVMAsmParser.a  lib/libLLVMTextAPI.a  lib/libLLVMCore.a  lib/libLLVMBinaryFormat.a  lib/libLLVMRemarks.a  lib/libLLVMBitstreamReader.a  lib/libLLVMTargetParser.a  lib/libLLVMSupport.a  lib/libLLVMDemangle.a  -lrt  -ldl  -lm  /usr/lib/x86_64-linux-gnu/libz.so && :
lib/libLLVMVectorize.a(VPlanTransforms.cpp.o):VPlanTransforms.cpp:function llvm::VPlanTransforms::simplifyRecipes(llvm::VPlan&, llvm::Type&) [clone .localalias]: error: undefined reference to 'llvm::VPUnrollPartAccessor<2u>::getUnrollPart(llvm::VPUser&) const'
collect2: error: ld returned 1 exit status
21.885 [3/10/131] Linking CXX executable bin/llvm-lto
FAILED: bin/llvm-lto 
: && /usr/bin/g++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -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 -fuse-ld=gold    -Wl,--gc-sections tools/llvm-lto/CMakeFiles/llvm-lto.dir/llvm-lto.cpp.o -o bin/llvm-lto  -Wl,-rpath,"\$ORIGIN/../lib:"  lib/libLLVMX86AsmParser.a  lib/libLLVMX86CodeGen.a  lib/libLLVMX86Desc.a  lib/libLLVMX86Info.a  lib/libLLVMBitReader.a  lib/libLLVMBitWriter.a  lib/libLLVMCodeGen.a  lib/libLLVMCore.a  lib/libLLVMIRReader.a  lib/libLLVMipo.a  lib/libLLVMLTO.a  lib/libLLVMMC.a  lib/libLLVMObject.a  lib/libLLVMSupport.a  lib/libLLVMTarget.a  lib/libLLVMTargetParser.a  lib/libLLVMMCDisassembler.a  lib/libLLVMAsmPrinter.a  lib/libLLVMGlobalISel.a  lib/libLLVMSelectionDAG.a  lib/libLLVMExtensions.a  lib/libLLVMPasses.a  lib/libLLVMCodeGen.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMCGData.a  lib/libLLVMTarget.a  lib/libLLVMCFGuard.a  lib/libLLVMIRPrinter.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMCoroutines.a  lib/libLLVMipo.a  lib/libLLVMBitWriter.a  lib/libLLVMInstrumentation.a  lib/libLLVMFrontendOpenMP.a  lib/libLLVMFrontendOffloading.a  lib/libLLVMObjectYAML.a  lib/libLLVMFrontendAtomic.a  lib/libLLVMLinker.a  lib/libLLVMVectorize.a  lib/libLLVMSandboxIR.a  lib/libLLVMScalarOpts.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMInstCombine.a  lib/libLLVMHipStdPar.a  lib/libLLVMTransformUtils.a  lib/libLLVMAnalysis.a  lib/libLLVMProfileData.a  lib/libLLVMSymbolize.a  lib/libLLVMDebugInfoDWARF.a  lib/libLLVMDebugInfoPDB.a  lib/libLLVMObject.a  lib/libLLVMIRReader.a  lib/libLLVMBitReader.a  lib/libLLVMAsmParser.a  lib/libLLVMCore.a  lib/libLLVMRemarks.a  lib/libLLVMBitstreamReader.a  lib/libLLVMMCParser.a  lib/libLLVMMC.a  lib/libLLVMTextAPI.a  lib/libLLVMDebugInfoCodeView.a  lib/libLLVMDebugInfoMSF.a  lib/libLLVMDebugInfoBTF.a  lib/libLLVMBinaryFormat.a  lib/libLLVMTargetParser.a  lib/libLLVMSupport.a  lib/libLLVMDemangle.a  -lrt  -ldl  -lm  /usr/lib/x86_64-linux-gnu/libz.so && :
lib/libLLVMVectorize.a(VPlanTransforms.cpp.o):VPlanTransforms.cpp:function llvm::VPlanTransforms::simplifyRecipes(llvm::VPlan&, llvm::Type&) [clone .localalias]: error: undefined reference to 'llvm::VPUnrollPartAccessor<2u>::getUnrollPart(llvm::VPUser&) const'
collect2: error: ld returned 1 exit status
21.896 [3/9/132] Linking CXX executable bin/lld
FAILED: bin/lld 
: && /usr/bin/g++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -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 -fuse-ld=gold   -Wl,--export-dynamic tools/lld/tools/lld/CMakeFiles/lld.dir/lld.cpp.o tools/lld/tools/lld/CMakeFiles/lld.dir/lld-driver.cpp.o -o bin/lld  -Wl,-rpath,"\$ORIGIN/../lib:"  lib/libLLVMSupport.a  lib/libLLVMTargetParser.a  lib/liblldCommon.a  lib/liblldCOFF.a  lib/liblldELF.a  lib/liblldMachO.a  lib/liblldMinGW.a  lib/liblldWasm.a  lib/liblldCOFF.a  lib/libLLVMLibDriver.a  lib/libLLVMWindowsDriver.a  lib/libLLVMWindowsManifest.a  /usr/lib/x86_64-linux-gnu/libxml2.so  lib/liblldCommon.a  lib/libLLVMOption.a  lib/libLLVMX86CodeGen.a  lib/libLLVMAsmPrinter.a  lib/libLLVMGlobalISel.a  lib/libLLVMSelectionDAG.a  lib/libLLVMX86AsmParser.a  lib/libLLVMX86Desc.a  lib/libLLVMX86Disassembler.a  lib/libLLVMMCDisassembler.a  lib/libLLVMX86Info.a  lib/libLLVMLTO.a  lib/libLLVMExtensions.a  lib/libLLVMPasses.a  lib/libLLVMCodeGen.a  lib/libLLVMCGData.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMTarget.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMCFGuard.a  lib/libLLVMIRPrinter.a  lib/libLLVMCoroutines.a  lib/libLLVMipo.a  lib/libLLVMBitWriter.a  lib/libLLVMInstrumentation.a  lib/libLLVMLinker.a  lib/libLLVMFrontendOpenMP.a  lib/libLLVMScalarOpts.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMInstCombine.a  lib/libLLVMFrontendOffloading.a  lib/libLLVMObjectYAML.a  lib/libLLVMFrontendAtomic.a  lib/libLLVMHipStdPar.a  lib/libLLVMVectorize.a  lib/libLLVMTransformUtils.a  lib/libLLVMSandboxIR.a  lib/libLLVMAnalysis.a  lib/libLLVMProfileData.a  lib/libLLVMSymbolize.a  lib/libLLVMDebugInfoDWARF.a  lib/libLLVMDebugInfoPDB.a  lib/libLLVMDebugInfoCodeView.a  lib/libLLVMDebugInfoMSF.a  lib/libLLVMObject.a  lib/libLLVMTextAPI.a  lib/libLLVMMCParser.a  lib/libLLVMMC.a  lib/libLLVMIRReader.a  lib/libLLVMBitReader.a  lib/libLLVMAsmParser.a  lib/libLLVMCore.a  lib/libLLVMRemarks.a  lib/libLLVMBitstreamReader.a  lib/libLLVMBinaryFormat.a  lib/libLLVMTargetParser.a  lib/libLLVMDebugInfoBTF.a  lib/libLLVMSupport.a  -lrt  -ldl  -lm  /usr/lib/x86_64-linux-gnu/libz.so  lib/libLLVMDemangle.a && cd /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/lld/tools/lld && /usr/bin/cmake/bin/cmake -E create_symlink lld /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/./bin/lld-link && cd /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/lld/tools/lld && /usr/bin/cmake/bin/cmake -E create_symlink lld /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/./bin/ld.lld && cd /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/lld/tools/lld && /usr/bin/cmake/bin/cmake -E create_symlink lld /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/./bin/ld64.lld && cd /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/lld/tools/lld && /usr/bin/cmake/bin/cmake -E create_symlink lld /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/./bin/wasm-ld
lib/libLLVMVectorize.a(VPlanTransforms.cpp.o):VPlanTransforms.cpp:function llvm::VPlanTransforms::simplifyRecipes(llvm::VPlan&, llvm::Type&) [clone .localalias]: error: undefined reference to 'llvm::VPUnrollPartAccessor<2u>::getUnrollPart(llvm::VPUser&) const'
collect2: error: ld returned 1 exit status
21.966 [3/8/133] Linking CXX executable bin/llvm-reduce
FAILED: bin/llvm-reduce 
: && /usr/bin/g++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -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 -fuse-ld=gold    -Wl,--gc-sections tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/DeltaManager.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/ReducerWorkItem.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/TestRunner.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/Delta.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/Utils.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceAliases.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceArguments.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceAttributes.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceBasicBlocks.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceDIMetadata.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceDistinctMetadata.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceDbgRecords.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceFunctionBodies.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceFunctions.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceGlobalObjects.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceGlobalValues.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceGlobalVarInitializers.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceGlobalVars.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceInstructions.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceInstructionFlags.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceInvokes.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceMetadata.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceModuleData.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceMemoryOperations.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandBundles.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOpcodes.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceSpecialGlobals.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperands.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsSkip.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceInstructionsMIR.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceInstructionFlagsMIR.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceIRReferences.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceVirtualRegisters.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceRegisterMasks.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceRegisterDefs.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceRegisterUses.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceUsingSimplifyCFG.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/RunIRPasses.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/SimplifyInstructions.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/StripDebugInfo.cpp.o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/llvm-reduce.cpp.o -o bin/llvm-reduce  -Wl,-rpath,"\$ORIGIN/../lib:"  lib/libLLVMX86AsmParser.a  lib/libLLVMX86CodeGen.a  lib/libLLVMX86Desc.a  lib/libLLVMX86Info.a  lib/libLLVMAnalysis.a  lib/libLLVMBitReader.a  lib/libLLVMBitWriter.a  lib/libLLVMCodeGen.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMCore.a  lib/libLLVMipo.a  lib/libLLVMIRReader.a  lib/libLLVMMC.a  lib/libLLVMMIRParser.a  lib/libLLVMPasses.a  lib/libLLVMSupport.a  lib/libLLVMTarget.a  lib/libLLVMTargetParser.a  lib/libLLVMTransformUtils.a  lib/libLLVMMCDisassembler.a  lib/libLLVMAsmPrinter.a  lib/libLLVMGlobalISel.a  lib/libLLVMSelectionDAG.a  lib/libLLVMCodeGen.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMCGData.a  lib/libLLVMTarget.a  lib/libLLVMCFGuard.a  lib/libLLVMIRPrinter.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMCoroutines.a  lib/libLLVMipo.a  lib/libLLVMBitWriter.a  lib/libLLVMInstrumentation.a  lib/libLLVMFrontendOpenMP.a  lib/libLLVMFrontendOffloading.a  lib/libLLVMObjectYAML.a  lib/libLLVMFrontendAtomic.a  lib/libLLVMLinker.a  lib/libLLVMVectorize.a  lib/libLLVMSandboxIR.a  lib/libLLVMScalarOpts.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMInstCombine.a  lib/libLLVMHipStdPar.a  lib/libLLVMTransformUtils.a  lib/libLLVMAnalysis.a  lib/libLLVMProfileData.a  lib/libLLVMSymbolize.a  lib/libLLVMDebugInfoDWARF.a  lib/libLLVMDebugInfoPDB.a  lib/libLLVMDebugInfoCodeView.a  lib/libLLVMDebugInfoMSF.a  lib/libLLVMDebugInfoBTF.a  lib/libLLVMObject.a  lib/libLLVMIRReader.a  lib/libLLVMBitReader.a  lib/libLLVMAsmParser.a  lib/libLLVMMCParser.a  lib/libLLVMMC.a  lib/libLLVMTextAPI.a  lib/libLLVMCore.a  lib/libLLVMBinaryFormat.a  lib/libLLVMRemarks.a  lib/libLLVMBitstreamReader.a  lib/libLLVMTargetParser.a  lib/libLLVMSupport.a  lib/libLLVMDemangle.a  -lrt  -ldl  -lm  /usr/lib/x86_64-linux-gnu/libz.so && :
lib/libLLVMVectorize.a(VPlanTransforms.cpp.o):VPlanTransforms.cpp:function llvm::VPlanTransforms::simplifyRecipes(llvm::VPlan&, llvm::Type&) [clone .localalias]: error: undefined reference to 'llvm::VPUnrollPartAccessor<2u>::getUnrollPart(llvm::VPUser&) const'
collect2: error: ld returned 1 exit status
21.986 [3/7/134] Linking CXX shared library lib/libLTO.so.21.0git
FAILED: lib/libLTO.so.21.0git 
: && /usr/bin/g++ -fPIC -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -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  -Wl,--version-script,"/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/lto/LTO.exports" -shared -Wl,-soname,libLTO.so.21.0git -o lib/libLTO.so.21.0git tools/lto/CMakeFiles/LTO.dir/LTODisassembler.cpp.o tools/lto/CMakeFiles/LTO.dir/lto.cpp.o  -Wl,-rpath,"\$ORIGIN/../lib:"  lib/libLLVMX86AsmParser.a  lib/libLLVMX86CodeGen.a  lib/libLLVMX86Desc.a  lib/libLLVMX86Disassembler.a  lib/libLLVMX86Info.a  lib/libLLVMBitReader.a  lib/libLLVMCore.a  lib/libLLVMCodeGen.a  lib/libLLVMLTO.a  lib/libLLVMMC.a  lib/libLLVMMCDisassembler.a  lib/libLLVMSupport.a  lib/libLLVMTarget.a  lib/libLLVMTargetParser.a  lib/libLLVMAsmPrinter.a  lib/libLLVMGlobalISel.a  lib/libLLVMSelectionDAG.a  lib/libLLVMExtensions.a  lib/libLLVMPasses.a  lib/libLLVMCodeGen.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMCGData.a  lib/libLLVMTarget.a  lib/libLLVMCFGuard.a  lib/libLLVMIRPrinter.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMCoroutines.a  lib/libLLVMipo.a  lib/libLLVMInstrumentation.a  lib/libLLVMBitWriter.a  lib/libLLVMLinker.a  lib/libLLVMFrontendOpenMP.a  lib/libLLVMScalarOpts.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMInstCombine.a  lib/libLLVMFrontendOffloading.a  lib/libLLVMObjectYAML.a  lib/libLLVMFrontendAtomic.a  lib/libLLVMVectorize.a  lib/libLLVMSandboxIR.a  lib/libLLVMHipStdPar.a  lib/libLLVMTransformUtils.a  lib/libLLVMAnalysis.a  lib/libLLVMProfileData.a  lib/libLLVMSymbolize.a  lib/libLLVMDebugInfoDWARF.a  lib/libLLVMDebugInfoPDB.a  lib/libLLVMDebugInfoCodeView.a  lib/libLLVMDebugInfoMSF.a  lib/libLLVMDebugInfoBTF.a  lib/libLLVMObject.a  lib/libLLVMMCParser.a  lib/libLLVMMC.a  lib/libLLVMIRReader.a  lib/libLLVMBitReader.a  lib/libLLVMAsmParser.a  lib/libLLVMCore.a  lib/libLLVMRemarks.a  lib/libLLVMBitstreamReader.a  lib/libLLVMTextAPI.a  lib/libLLVMBinaryFormat.a  lib/libLLVMTargetParser.a  lib/libLLVMSupport.a  lib/libLLVMDemangle.a  -lrt  -ldl  -lm  /usr/lib/x86_64-linux-gnu/libz.so && :
lib/libLLVMVectorize.a(VPlanTransforms.cpp.o):VPlanTransforms.cpp:function llvm::VPlanTransforms::simplifyRecipes(llvm::VPlan&, llvm::Type&) [clone .localalias]: error: undefined reference to 'llvm::VPUnrollPartAccessor<2u>::getUnrollPart(llvm::VPUser&) const'
collect2: error: ld returned 1 exit status
21.988 [3/6/135] Linking CXX executable bin/clang-nvlink-wrapper
FAILED: bin/clang-nvlink-wrapper 
: && /usr/bin/g++ -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -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 -fno-common -Woverloaded-virtual -fno-strict-aliasing -O3 -DNDEBUG -fuse-ld=gold    -Wl,--gc-sections tools/clang/tools/clang-nvlink-wrapper/CMakeFiles/clang-nvlink-wrapper.dir/ClangNVLinkWrapper.cpp.o -o bin/clang-nvlink-wrapper  -Wl,-rpath,"\$ORIGIN/../lib:"  lib/libLLVMX86CodeGen.a  lib/libLLVMX86AsmParser.a  lib/libLLVMX86Desc.a  lib/libLLVMX86Disassembler.a  lib/libLLVMX86Info.a  lib/libLLVMBitWriter.a  lib/libLLVMCore.a  lib/libLLVMBinaryFormat.a  lib/libLLVMMC.a  lib/libLLVMTarget.a  lib/libLLVMTransformUtils.a  lib/libLLVMAnalysis.a  lib/libLLVMPasses.a  lib/libLLVMIRReader.a  lib/libLLVMObject.a  lib/libLLVMOption.a  lib/libLLVMSupport.a  lib/libLLVMTargetParser.a  lib/libLLVMCodeGen.a  lib/libLLVMLTO.a  lib/libclangBasic.a  lib/libLLVMAsmPrinter.a  lib/libLLVMGlobalISel.a  lib/libLLVMSelectionDAG.a  lib/libLLVMMCDisassembler.a  lib/libLLVMPasses.a  lib/libLLVMCFGuard.a  lib/libLLVMIRPrinter.a  lib/libLLVMCoroutines.a  lib/libLLVMHipStdPar.a  lib/libLLVMCodeGen.a  lib/libLLVMTarget.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMipo.a  lib/libLLVMInstrumentation.a  lib/libLLVMVectorize.a  lib/libLLVMSandboxIR.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMCGData.a  lib/libLLVMBitWriter.a  lib/libLLVMExtensions.a  lib/libLLVMLinker.a  lib/libLLVMFrontendOpenMP.a  lib/libLLVMScalarOpts.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMInstCombine.a  lib/libLLVMFrontendOffloading.a  lib/libLLVMTransformUtils.a  lib/libLLVMObjectYAML.a  lib/libLLVMFrontendAtomic.a  lib/libLLVMAnalysis.a  lib/libLLVMProfileData.a  lib/libLLVMSymbolize.a  lib/libLLVMDebugInfoDWARF.a  lib/libLLVMDebugInfoPDB.a  lib/libLLVMObject.a  lib/libLLVMIRReader.a  lib/libLLVMAsmParser.a  lib/libLLVMMCParser.a  lib/libLLVMMC.a  lib/libLLVMBitReader.a  lib/libLLVMCore.a  lib/libLLVMRemarks.a  lib/libLLVMBitstreamReader.a  lib/libLLVMTextAPI.a  lib/libLLVMBinaryFormat.a  lib/libLLVMTargetParser.a  lib/libLLVMDebugInfoCodeView.a  lib/libLLVMDebugInfoMSF.a  lib/libLLVMDebugInfoBTF.a  lib/libLLVMSupport.a  lib/libLLVMDemangle.a  -lrt  -ldl  -lm  /usr/lib/x86_64-linux-gnu/libz.so && :
lib/libLLVMVectorize.a(VPlanTransforms.cpp.o):VPlanTransforms.cpp:function llvm::VPlanTransforms::simplifyRecipes(llvm::VPlan&, llvm::Type&) [clone .localalias]: error: undefined reference to 'llvm::VPUnrollPartAccessor<2u>::getUnrollPart(llvm::VPUser&) const'
collect2: error: ld returned 1 exit status

```

</details>

https://github.com/llvm/llvm-project/pull/123655

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