[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 06:01:12 PDT 2025 

llvm-ci wrote:

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

Full details are available at: https://lab.llvm.org/buildbot/#/builders/117/builds/8023

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
60.174 [1786/4/3016] Building CXX object tools/mlir/lib/Conversion/ArmSMEToSCF/CMakeFiles/obj.MLIRArmSMEToSCF.dir/ArmSMEToSCF.cpp.o
60.176 [1785/4/3017] Building CXX object tools/mlir/lib/Conversion/ArithToSPIRV/CMakeFiles/obj.MLIRArithToSPIRV.dir/ArithToSPIRV.cpp.o
60.206 [1784/4/3018] Building CXX object tools/mlir/lib/Conversion/GPUCommon/CMakeFiles/obj.MLIRGPUToGPURuntimeTransforms.dir/AttrToSPIRVConverter.cpp.o
60.221 [1783/4/3019] Building CXX object tools/mlir/lib/Conversion/AsyncToLLVM/CMakeFiles/obj.MLIRAsyncToLLVM.dir/AsyncToLLVM.cpp.o
60.237 [1782/4/3020] Building CXX object tools/mlir/lib/Conversion/ComplexToLibm/CMakeFiles/obj.MLIRComplexToLibm.dir/ComplexToLibm.cpp.o
60.266 [1781/4/3021] Building CXX object tools/mlir/lib/Conversion/ComplexCommon/CMakeFiles/obj.MLIRComplexDivisionConversion.dir/DivisionConverter.cpp.o
60.271 [1780/4/3022] Building CXX object tools/mlir/lib/Conversion/BufferizationToMemRef/CMakeFiles/obj.MLIRBufferizationToMemRef.dir/BufferizationToMemRef.cpp.o
60.308 [1779/4/3023] Building CXX object tools/mlir/lib/Dialect/Linalg/Transforms/CMakeFiles/obj.MLIRLinalgTransforms.dir/ElementwiseToLinalg.cpp.o
60.322 [1778/4/3024] Building CXX object tools/mlir/lib/Conversion/ComplexToLLVM/CMakeFiles/obj.MLIRComplexToLLVM.dir/ComplexToLLVM.cpp.o
60.328 [1777/4/3025] Linking CXX shared library lib/libLTO.so.21.0git
FAILED: lib/libLTO.so.21.0git 
: && /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/mlir-s390x-linux/build/./lib  -Wl,--gc-sections  -Wl,--version-script,"/home/uweigand/sandbox/buildbot/mlir-s390x-linux/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/libLLVMSystemZAsmParser.a  lib/libLLVMSystemZCodeGen.a  lib/libLLVMSystemZDesc.a  lib/libLLVMSystemZDisassembler.a  lib/libLLVMSystemZInfo.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/libLLVMSelectionDAG.a  lib/libLLVMSystemZDesc.a  lib/libLLVMSystemZInfo.a  lib/libLLVMExtensions.a  lib/libLLVMPasses.a  lib/libLLVMCodeGen.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMCGData.a  lib/libLLVMTarget.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMCFGuard.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/libLLVMVectorize.a  lib/libLLVMSandboxIR.a  lib/libLLVMHipStdPar.a  lib/libLLVMTransformUtils.a  lib/libLLVMIRPrinter.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/s390x-linux-gnu/libz.so && :
/usr/bin/ld: lib/libLLVMVectorize.a(VPlanTransforms.cpp.o): in function `llvm::VPlanTransforms::simplifyRecipes(llvm::VPlan&, llvm::Type&) [clone .localalias]':
VPlanTransforms.cpp:(.text._ZN4llvm15VPlanTransforms15simplifyRecipesERNS_5VPlanERNS_4TypeE+0x10d2): undefined reference to `llvm::VPUnrollPartAccessor<2u>::getUnrollPart(llvm::VPUser&) const'
collect2: error: ld returned 1 exit status
60.354 [1777/3/3026] Building CXX object tools/mlir/lib/Conversion/ComplexToSPIRV/CMakeFiles/obj.MLIRComplexToSPIRV.dir/ComplexToSPIRVPass.cpp.o
60.372 [1777/2/3027] Building CXX object tools/mlir/lib/Conversion/ComplexToStandard/CMakeFiles/obj.MLIRComplexToStandard.dir/ComplexToStandard.cpp.o
60.388 [1777/1/3028] 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/mlir-s390x-linux/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/libLLVMSystemZAsmParser.a  lib/libLLVMSystemZCodeGen.a  lib/libLLVMSystemZDesc.a  lib/libLLVMSystemZInfo.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/libLLVMAsmPrinter.a  lib/libLLVMSelectionDAG.a  lib/libLLVMExtensions.a  lib/libLLVMPasses.a  lib/libLLVMCodeGen.a  lib/libLLVMCodeGenTypes.a  lib/libLLVMCGData.a  lib/libLLVMTarget.a  lib/libLLVMObjCARCOpts.a  lib/libLLVMCFGuard.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/libLLVMVectorize.a  lib/libLLVMSandboxIR.a  lib/libLLVMInstrumentation.a  lib/libLLVMScalarOpts.a  lib/libLLVMAggressiveInstCombine.a  lib/libLLVMInstCombine.a  lib/libLLVMHipStdPar.a  lib/libLLVMTransformUtils.a  lib/libLLVMIRPrinter.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/s390x-linux-gnu/libz.so && :
/usr/bin/ld: lib/libLLVMVectorize.a(VPlanTransforms.cpp.o): in function `llvm::VPlanTransforms::simplifyRecipes(llvm::VPlan&, llvm::Type&) [clone .localalias]':
VPlanTransforms.cpp:(.text._ZN4llvm15VPlanTransforms15simplifyRecipesERNS_5VPlanERNS_4TypeE+0x10d2): undefined reference to `llvm::VPUnrollPartAccessor<2u>::getUnrollPart(llvm::VPUser&) const'
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.

```

</details>

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

More information about the llvm-commits mailing list