[llvm] [VPlan] Remove VPVectorPointer for part 0 after unrolling. (PR #149735)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Sun Jul 27 06:01:38 PDT 2025 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `openmp-s390x-linux` running on `systemz-1` while building `llvm` at step 5 "compile-openmp".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/88/builds/14400

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

```
Step 5 (compile-openmp) failure: build (failure)
...
264.496 [1485/4/3954] Building CXX object tools/clang/lib/Lex/CMakeFiles/obj.clangLex.dir/PPMacroExpansion.cpp.o
264.527 [1484/4/3955] Building CXX object tools/clang/lib/Lex/CMakeFiles/obj.clangLex.dir/Pragma.cpp.o
264.553 [1483/4/3956] Building CXX object tools/clang/lib/Lex/CMakeFiles/obj.clangLex.dir/PreprocessingRecord.cpp.o
264.584 [1482/4/3957] Building CXX object tools/clang/lib/Lex/CMakeFiles/obj.clangLex.dir/Preprocessor.cpp.o
264.592 [1481/4/3958] Building CXX object tools/clang/lib/Basic/CMakeFiles/obj.clangBasic.dir/Version.cpp.o
264.612 [1480/4/3959] Building CXX object tools/clang/lib/Lex/CMakeFiles/obj.clangLex.dir/PreprocessorLexer.cpp.o
264.635 [1479/4/3960] Building CXX object tools/clang/lib/Lex/CMakeFiles/obj.clangLex.dir/ScratchBuffer.cpp.o
264.662 [1478/4/3961] Building CXX object tools/clang/lib/Lex/CMakeFiles/obj.clangLex.dir/TokenConcatenation.cpp.o
264.689 [1477/4/3962] Building CXX object tools/clang/lib/Lex/CMakeFiles/obj.clangLex.dir/TokenLexer.cpp.o
264.711 [1476/4/3963] Linking CXX shared library lib/libLTO.so.22.0git
FAILED: lib/libLTO.so.22.0git 
: && /usr/bin/c++ -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   -Wl,-rpath-link,/home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/./lib  -Wl,--gc-sections  -Wl,--version-script,"/home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/tools/lto/LTO.exports" -shared -Wl,-soname,libLTO.so.22.0git -o lib/libLTO.so.22.0git tools/lto/CMakeFiles/LTO.dir/LTODisassembler.cpp.o tools/lto/CMakeFiles/LTO.dir/lto.cpp.o  -Wl,-rpath,"\$ORIGIN/../lib:"  lib/libLLVMAArch64AsmParser.a  lib/libLLVMAMDGPUAsmParser.a  lib/libLLVMARMAsmParser.a  lib/libLLVMAVRAsmParser.a  lib/libLLVMBPFAsmParser.a  lib/libLLVMHexagonAsmParser.a  lib/libLLVMLanaiAsmParser.a  lib/libLLVMLoongArchAsmParser.a  lib/libLLVMMipsAsmParser.a  lib/libLLVMMSP430AsmParser.a  lib/libLLVMPowerPCAsmParser.a  lib/libLLVMRISCVAsmParser.a  lib/libLLVMSparcAsmParser.a  lib/libLLVMSystemZAsmParser.a  lib/libLLVMVEAsmParser.a  lib/libLLVMWebAssemblyAsmParser.a  lib/libLLVMX86AsmParser.a  lib/libLLVMAArch64CodeGen.a  lib/libLLVMAMDGPUCodeGen.a  lib/libLLVMARMCodeGen.a  lib/libLLVMAVRCodeGen.a  lib/libLLVMBPFCodeGen.a  lib/libLLVMHexagonCodeGen.a  lib/libLLVMLanaiCodeGen.a  lib/libLLVMLoongArchCodeGen.a  lib/libLLVMMipsCodeGen.a  lib/libLLVMMSP430CodeGen.a  lib/libLLVMNVPTXCodeGen.a  lib/libLLVMPowerPCCodeGen.a  lib/libLLVMRISCVCodeGen.a  lib/libLLVMSparcCodeGen.a  lib/libLLVMSPIRVCodeGen.a  lib/libLLVMSystemZCodeGen.a  lib/libLLVMVECodeGen.a  lib/libLLVMWebAssemblyCodeGen.a  lib/libLLVMX86CodeGen.a  lib/libLLVMXCoreCodeGen.a  lib/libLLVMAArch64Desc.a  lib/libLLVMAMDGPUDesc.a  lib/libLLVMARMDesc.a  lib/libLLVMAVRDesc.a  lib/libLLVMBPFDesc.a  lib/libLLVMHexagonDesc.a  lib/libLLVMLanaiDesc.a  lib/libLLVMLoongArchDesc.a  lib/libLLVMMipsDesc.a  lib/libLLVMMSP430Desc.a  lib/libLLVMNVPTXDesc.a  lib/libLLVMPowerPCDesc.a  lib/libLLVMRISCVDesc.a  lib/libLLVMSparcDesc.a  lib/libLLVMSPIRVDesc.a  lib/libLLVMSystemZDesc.a  lib/libLLVMVEDesc.a  lib/libLLVMWebAssemblyDesc.a  lib/libLLVMX86Desc.a  lib/libLLVMXCoreDesc.a  lib/libLLVMAArch64Disassembler.a  lib/libLLVMAMDGPUDisassembler.a  lib/libLLVMARMDisassembler.a  lib/libLLVMAVRDisassembler.a  lib/libLLVMBPFDisassembler.a  lib/libLLVMHexagonDisassembler.a  lib/libLLVMLanaiDisassembler.a  lib/libLLVMLoongArchDisassembler.a  lib/libLLVMMipsDisassembler.a  lib/libLLVMMSP430Disassembler.a  lib/libLLVMPowerPCDisassembler.a  lib/libLLVMRISCVDisassembler.a  lib/libLLVMSparcDisassembler.a  lib/libLLVMSystemZDisassembler.a  lib/libLLVMVEDisassembler.a  lib/libLLVMWebAssemblyDisassembler.a  lib/libLLVMX86Disassembler.a  lib/libLLVMXCoreDisassembler.a  lib/libLLVMAArch64Info.a  lib/libLLVMAMDGPUInfo.a  lib/libLLVMARMInfo.a  lib/libLLVMAVRInfo.a  lib/libLLVMBPFInfo.a  lib/libLLVMHexagonInfo.a  lib/libLLVMLanaiInfo.a  lib/libLLVMLoongArchInfo.a  lib/libLLVMMipsInfo.a  lib/libLLVMMSP430Info.a  lib/libLLVMNVPTXInfo.a  lib/libLLVMPowerPCInfo.a  lib/libLLVMRISCVInfo.a  lib/libLLVMSparcInfo.a  lib/libLLVMSPIRVInfo.a  lib/libLLVMSystemZInfo.a  lib/libLLVMVEInfo.a  lib/libLLVMWebAssemblyInfo.a  lib/libLLVMX86Info.a  lib/libLLVMXCoreInfo.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/libLLVMMIRParser.a  lib/libLLVMHexagonAsmParser.a  lib/libLLVMLanaiAsmParser.a  lib/libLLVMSPIRVAnalysis.a  lib/libLLVMWebAssemblyUtils.a  lib/libLLVMAsmPrinter.a  lib/libLLVMAArch64Desc.a  lib/libLLVMAArch64Info.a  lib/libLLVMAArch64Utils.a  lib/libLLVMAMDGPUDesc.a  lib/libLLVMAMDGPUInfo.a  lib/libLLVMAMDGPUUtils.a  lib/libLLVMARMDesc.a  lib/libLLVMARMInfo.a  lib/libLLVMARMUtils.a  lib/libLLVMHexagonDesc.a  lib/libLLVMHexagonInfo.a  lib/libLLVMLanaiDesc.a  lib/libLLVMLanaiInfo.a  lib/libLLVMLoongArchDesc.a  lib/libLLVMLoongArchInfo.a  lib/libLLVMRISCVDesc.a  lib/libLLVMRISCVInfo.a  lib/libLLVMSystemZDesc.a  lib/libLLVMSystemZInfo.a  lib/libLLVMWebAssemblyDesc.a  lib/libLLVMWebAssemblyInfo.a  lib/libLLVMMCDisassembler.a  lib/libLLVMPasses.a  lib/libLLVMCFGuard.a  lib/libLLVMGlobalISel.a  lib/libLLVMSelectionDAG.a  lib/libLLVMCodeGen.a  lib/libLLVMTarget.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMHipStdPar.a  lib/libLLVMIRPrinter.a  lib/libLLVMCoroutines.a  lib/libLLVMipo.a  lib/libLLVMVectorize.a  lib/libLLVMSandboxIR.a  lib/libLLVMInstrumentation.a  lib/libLLVMFrontendOpenMP.a  lib/libLLVMScalarOpts.a  lib/libLLVMFrontendOffloading.a  lib/libLLVMObjectYAML.a  lib/libLLVMFrontendAtomic.a  lib/libLLVMFrontendDirective.a  lib/libLLVMCGData.a  lib/libLLVMBitWriter.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMExtensions.a  lib/libLLVMInstCombine.a  lib/libLLVMLinker.a  lib/libLLVMTransformUtils.a  lib/libLLVMAnalysis.a  lib/libLLVMProfileData.a  lib/libLLVMSymbolize.a  lib/libLLVMDebugInfoGSYM.a  lib/libLLVMDebugInfoDWARF.a  lib/libLLVMDebugInfoDWARFLowLevel.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/s390x-linux-gnu/libz.so && :
/usr/bin/ld: lib/libLLVMVectorize.a(VPlanTransforms.cpp.o): in function `simplifyRecipe(llvm::VPRecipeBase&, llvm::VPTypeAnalysis&)':
VPlanTransforms.cpp:(.text._ZL14simplifyRecipeRN4llvm12VPRecipeBaseERNS_14VPTypeAnalysisE+0x119a): undefined reference to `llvm::VPUnrollPartAccessor<1u>::getUnrollPart(llvm::VPUser const&) const'
collect2: error: ld returned 1 exit status
264.745 [1476/3/3964] Linking CXX static library lib/libclangBasic.a
264.757 [1476/2/3965] Building CXX object tools/clang/lib/Parse/CMakeFiles/obj.clangParse.dir/ParseAST.cpp.o
265.123 [1476/1/3966] Linking CXX executable bin/llvm-lto
FAILED: bin/llvm-lto 
: && /usr/bin/c++ -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,-rpath-link,/home/uweigand/sandbox/buildbot/openmp-s390x-linux/llvm.build/./lib  -Wl,--gc-sections tools/llvm-lto/CMakeFiles/llvm-lto.dir/llvm-lto.cpp.o -o bin/llvm-lto  -Wl,-rpath,"\$ORIGIN/../lib:"  lib/libLLVMAArch64AsmParser.a  lib/libLLVMAMDGPUAsmParser.a  lib/libLLVMARMAsmParser.a  lib/libLLVMAVRAsmParser.a  lib/libLLVMBPFAsmParser.a  lib/libLLVMHexagonAsmParser.a  lib/libLLVMLanaiAsmParser.a  lib/libLLVMLoongArchAsmParser.a  lib/libLLVMMipsAsmParser.a  lib/libLLVMMSP430AsmParser.a  lib/libLLVMPowerPCAsmParser.a  lib/libLLVMRISCVAsmParser.a  lib/libLLVMSparcAsmParser.a  lib/libLLVMSystemZAsmParser.a  lib/libLLVMVEAsmParser.a  lib/libLLVMWebAssemblyAsmParser.a  lib/libLLVMX86AsmParser.a  lib/libLLVMAArch64CodeGen.a  lib/libLLVMAMDGPUCodeGen.a  lib/libLLVMARMCodeGen.a  lib/libLLVMAVRCodeGen.a  lib/libLLVMBPFCodeGen.a  lib/libLLVMHexagonCodeGen.a  lib/libLLVMLanaiCodeGen.a  lib/libLLVMLoongArchCodeGen.a  lib/libLLVMMipsCodeGen.a  lib/libLLVMMSP430CodeGen.a  lib/libLLVMNVPTXCodeGen.a  lib/libLLVMPowerPCCodeGen.a  lib/libLLVMRISCVCodeGen.a  lib/libLLVMSparcCodeGen.a  lib/libLLVMSPIRVCodeGen.a  lib/libLLVMSystemZCodeGen.a  lib/libLLVMVECodeGen.a  lib/libLLVMWebAssemblyCodeGen.a  lib/libLLVMX86CodeGen.a  lib/libLLVMXCoreCodeGen.a  lib/libLLVMAArch64Desc.a  lib/libLLVMAMDGPUDesc.a  lib/libLLVMARMDesc.a  lib/libLLVMAVRDesc.a  lib/libLLVMBPFDesc.a  lib/libLLVMHexagonDesc.a  lib/libLLVMLanaiDesc.a  lib/libLLVMLoongArchDesc.a  lib/libLLVMMipsDesc.a  lib/libLLVMMSP430Desc.a  lib/libLLVMNVPTXDesc.a  lib/libLLVMPowerPCDesc.a  lib/libLLVMRISCVDesc.a  lib/libLLVMSparcDesc.a  lib/libLLVMSPIRVDesc.a  lib/libLLVMSystemZDesc.a  lib/libLLVMVEDesc.a  lib/libLLVMWebAssemblyDesc.a  lib/libLLVMX86Desc.a  lib/libLLVMXCoreDesc.a  lib/libLLVMAArch64Info.a  lib/libLLVMAMDGPUInfo.a  lib/libLLVMARMInfo.a  lib/libLLVMAVRInfo.a  lib/libLLVMBPFInfo.a  lib/libLLVMHexagonInfo.a  lib/libLLVMLanaiInfo.a  lib/libLLVMLoongArchInfo.a  lib/libLLVMMipsInfo.a  lib/libLLVMMSP430Info.a  lib/libLLVMNVPTXInfo.a  lib/libLLVMPowerPCInfo.a  lib/libLLVMRISCVInfo.a  lib/libLLVMSparcInfo.a  lib/libLLVMSPIRVInfo.a  lib/libLLVMSystemZInfo.a  lib/libLLVMVEInfo.a  lib/libLLVMWebAssemblyInfo.a  lib/libLLVMX86Info.a  lib/libLLVMXCoreInfo.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/libLLVMAArch64Utils.a  lib/libLLVMAMDGPUUtils.a  lib/libLLVMMIRParser.a  lib/libLLVMARMUtils.a  lib/libLLVMHexagonAsmParser.a  lib/libLLVMHexagonDesc.a  lib/libLLVMHexagonInfo.a  lib/libLLVMLanaiAsmParser.a  lib/libLLVMLanaiDesc.a  lib/libLLVMLanaiInfo.a  lib/libLLVMSPIRVAnalysis.a  lib/libLLVMWebAssemblyUtils.a  lib/libLLVMWebAssemblyDesc.a  lib/libLLVMWebAssemblyInfo.a  lib/libLLVMMCDisassembler.a  lib/libLLVMAsmPrinter.a  lib/libLLVMPasses.a  lib/libLLVMCFGuard.a  lib/libLLVMGlobalISel.a  lib/libLLVMSelectionDAG.a  lib/libLLVMCodeGen.a  lib/libLLVMTarget.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMHipStdPar.a  lib/libLLVMIRPrinter.a  lib/libLLVMCoroutines.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/libLLVMScalarOpts.a  lib/libLLVMCGData.a  lib/libLLVMBitWriter.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMInstCombine.a  lib/libLLVMLinker.a  lib/libLLVMTransformUtils.a  lib/libLLVMAnalysis.a  lib/libLLVMProfileData.a  lib/libLLVMSymbolize.a  lib/libLLVMDebugInfoGSYM.a  lib/libLLVMDebugInfoDWARF.a  lib/libLLVMDebugInfoDWARFLowLevel.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/libLLVMBinaryFormat.a  lib/libLLVMTargetParser.a  lib/libLLVMDebugInfoCodeView.a  lib/libLLVMDebugInfoMSF.a  lib/libLLVMDebugInfoBTF.a  lib/libLLVMExtensions.a  lib/libLLVMSupport.a  lib/libLLVMDemangle.a  -lrt  -ldl  -lm  /usr/lib/s390x-linux-gnu/libz.so && :
/usr/bin/ld: lib/libLLVMVectorize.a(VPlanTransforms.cpp.o): in function `simplifyRecipe(llvm::VPRecipeBase&, llvm::VPTypeAnalysis&)':
VPlanTransforms.cpp:(.text._ZL14simplifyRecipeRN4llvm12VPRecipeBaseERNS_14VPTypeAnalysisE+0x119a): undefined reference to `llvm::VPUnrollPartAccessor<1u>::getUnrollPart(llvm::VPUser const&) const'
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/149735

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