[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 06:03:44 PDT 2025
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `lldb-remote-linux-ubuntu` running on `as-builder-9` while building `llvm` at step 7 "build-default".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/195/builds/6689
<details>
<summary>Here is the relevant piece of the build log for the reference</summary>
```
Step 7 (build-default) failure: cmake (failure)
...
39.895 [178/8/5096] Linking CXX static library lib/libclangCodeGen.a
40.595 [177/8/5097] Linking CXX executable bin/clang-scan-deps
40.694 [176/8/5098] Linking CXX static library lib/libclangFrontendTool.a
40.766 [175/8/5099] Linking CXX executable bin/bugpoint
40.775 [173/9/5100] Linking CXX executable bin/clang-extdef-mapping
40.785 [172/9/5101] Building CXX object tools/bugpoint-passes/CMakeFiles/BugpointPasses.dir/TestPasses.cpp.o
40.796 [172/8/5102] Linking CXX static library lib/libclangHandleCXX.a
40.850 [171/8/5103] Linking CXX static library lib/libclangInterpreter.a
40.893 [170/8/5104] Linking CXX static library lib/libclangHandleLLVM.a
41.688 [169/8/5105] Linking CXX shared library lib/libLTO.so.21.0git
FAILED: lib/libLTO.so.21.0git
: && /usr/bin/c++ -fPIC -D__OPTIMIZE__ -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-maybe-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/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/./lib -Wl,--gc-sections -Wl,--version-script,"/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/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/libLLVMAArch64AsmParser.a lib/libLLVMAArch64CodeGen.a lib/libLLVMAArch64Desc.a lib/libLLVMAArch64Disassembler.a lib/libLLVMAArch64Info.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/libLLVMAArch64Desc.a lib/libLLVMAArch64Info.a lib/libLLVMAArch64Utils.a lib/libLLVMExtensions.a lib/libLLVMPasses.a lib/libLLVMCodeGen.a lib/libLLVMCodeGenTypes.a lib/libLLVMCGData.a lib/libLLVMTarget.a lib/libLLVMCFGuard.a lib/libLLVMObjCARCOpts.a lib/libLLVMCoroutines.a lib/libLLVMipo.a lib/libLLVMVectorize.a lib/libLLVMSandboxIR.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/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/x86_64-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+0x1a2a): undefined reference to `llvm::VPUnrollPartAccessor<2u>::getUnrollPart(llvm::VPUser&) const'
collect2: error: ld returned 1 exit status
41.845 [169/7/5106] Linking CXX executable bin/llvm-lto
FAILED: bin/llvm-lto
: && /usr/bin/c++ -D__OPTIMIZE__ -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-maybe-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/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/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/libLLVMAArch64CodeGen.a lib/libLLVMAArch64Desc.a lib/libLLVMAArch64Info.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/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/libLLVMObjCARCOpts.a lib/libLLVMCoroutines.a lib/libLLVMipo.a lib/libLLVMBitWriter.a lib/libLLVMVectorize.a lib/libLLVMSandboxIR.a lib/libLLVMFrontendOpenMP.a lib/libLLVMFrontendOffloading.a lib/libLLVMObjectYAML.a lib/libLLVMFrontendAtomic.a lib/libLLVMLinker.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/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 && :
/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+0x1a2a): undefined reference to `llvm::VPUnrollPartAccessor<2u>::getUnrollPart(llvm::VPUser&) const'
collect2: error: ld returned 1 exit status
42.744 [169/6/5107] Linking CXX shared library lib/libclang.so.21.0.0git
42.953 [169/5/5108] Linking CXX executable bin/clang-check
43.346 [169/4/5109] Linking CXX executable bin/clang-linker-wrapper
43.830 [169/3/5110] Linking CXX executable bin/lld
FAILED: bin/lld
: && /usr/bin/c++ -D__OPTIMIZE__ -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-maybe-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,--export-dynamic -Wl,-rpath-link,/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/./lib 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/libLLVMAArch64CodeGen.a lib/libLLVMAsmPrinter.a lib/libLLVMGlobalISel.a lib/libLLVMSelectionDAG.a lib/libLLVMAArch64AsmParser.a lib/libLLVMAArch64Disassembler.a lib/libLLVMAArch64Desc.a lib/libLLVMMCDisassembler.a lib/libLLVMAArch64Info.a lib/libLLVMAArch64Utils.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/libLLVMCoroutines.a lib/libLLVMipo.a lib/libLLVMBitWriter.a lib/libLLVMVectorize.a lib/libLLVMSandboxIR.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/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/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/worker/as-builder-9/lldb-remote-linux-ubuntu/build/tools/lld/tools/lld && /usr/bin/cmake -E create_symlink lld /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/./bin/lld-link && cd /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/tools/lld/tools/lld && /usr/bin/cmake -E create_symlink lld /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/./bin/ld.lld && cd /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/tools/lld/tools/lld && /usr/bin/cmake -E create_symlink lld /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/./bin/ld64.lld && cd /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/tools/lld/tools/lld && /usr/bin/cmake -E create_symlink lld /home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/./bin/wasm-ld
/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+0x1a2a): undefined reference to `llvm::VPUnrollPartAccessor<2u>::getUnrollPart(llvm::VPUser&) const'
collect2: error: ld returned 1 exit status
44.962 [169/2/5111] Linking CXX executable bin/clang-import-test
47.575 [169/1/5112] Linking CXX executable bin/clang-21
FAILED: bin/clang-21
: && /usr/bin/c++ -D__OPTIMIZE__ -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-maybe-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 -Wl,--export-dynamic -Wl,-rpath-link,/home/buildbot/worker/as-builder-9/lldb-remote-linux-ubuntu/build/./lib tools/clang/tools/driver/CMakeFiles/clang.dir/driver.cpp.o tools/clang/tools/driver/CMakeFiles/clang.dir/cc1_main.cpp.o tools/clang/tools/driver/CMakeFiles/clang.dir/cc1as_main.cpp.o tools/clang/tools/driver/CMakeFiles/clang.dir/cc1gen_reproducer_main.cpp.o tools/clang/tools/driver/CMakeFiles/clang.dir/clang-driver.cpp.o -o bin/clang-21 -Wl,-rpath,"\$ORIGIN/../lib:" lib/libLLVMAArch64CodeGen.a lib/libLLVMAArch64AsmParser.a lib/libLLVMAArch64Desc.a lib/libLLVMAArch64Disassembler.a lib/libLLVMAArch64Info.a lib/libLLVMAArch64Utils.a lib/libLLVMAnalysis.a lib/libLLVMCodeGen.a lib/libLLVMCore.a lib/libLLVMipo.a lib/libLLVMAggressiveInstCombine.a lib/libLLVMInstCombine.a lib/libLLVMInstrumentation.a lib/libLLVMMC.a lib/libLLVMMCParser.a lib/libLLVMObjCARCOpts.a lib/libLLVMOption.a lib/libLLVMScalarOpts.a lib/libLLVMSupport.a lib/libLLVMTargetParser.a lib/libLLVMTransformUtils.a lib/libLLVMVectorize.a lib/libclangBasic.a lib/libclangCodeGen.a lib/libclangDriver.a lib/libclangFrontend.a lib/libclangFrontendTool.a lib/libclangSerialization.a lib/libLLVMAsmPrinter.a lib/libLLVMGlobalISel.a lib/libLLVMSelectionDAG.a lib/libLLVMAArch64Desc.a lib/libLLVMAArch64Info.a lib/libLLVMAArch64Utils.a lib/libLLVMMCDisassembler.a lib/libclangCodeGen.a lib/libLLVMCoverage.a lib/libLLVMFrontendDriver.a lib/libLLVMLTO.a lib/libLLVMExtensions.a lib/libLLVMPasses.a lib/libLLVMCodeGen.a lib/libLLVMCodeGenTypes.a lib/libLLVMCGData.a lib/libLLVMObjCARCOpts.a lib/libLLVMCFGuard.a lib/libLLVMTarget.a lib/libLLVMCoroutines.a lib/libLLVMipo.a lib/libLLVMInstrumentation.a lib/libLLVMVectorize.a lib/libLLVMSandboxIR.a lib/libLLVMBitWriter.a lib/libLLVMLinker.a lib/libLLVMHipStdPar.a lib/libLLVMIRPrinter.a lib/libclangExtractAPI.a lib/libclangInstallAPI.a lib/libLLVMTextAPIBinaryReader.a lib/libclangRewriteFrontend.a lib/libclangStaticAnalyzerFrontend.a lib/libclangStaticAnalyzerCheckers.a lib/libclangStaticAnalyzerCore.a lib/libclangCrossTU.a lib/libclangIndex.a lib/libclangFrontend.a lib/libclangDriver.a lib/libLLVMWindowsDriver.a lib/libLLVMOption.a lib/libclangParse.a lib/libclangSerialization.a lib/libclangSema.a lib/libclangAnalysis.a lib/libclangASTMatchers.a lib/libLLVMFrontendHLSL.a lib/libclangAPINotes.a lib/libclangEdit.a lib/libclangAST.a lib/libclangSupport.a lib/libclangFormat.a lib/libclangToolingInclusions.a lib/libclangToolingCore.a lib/libclangRewrite.a lib/libclangLex.a lib/libclangBasic.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/libLLVMMCParser.a lib/libLLVMMC.a lib/libLLVMIRReader.a lib/libLLVMBitReader.a lib/libLLVMAsmParser.a lib/libLLVMTextAPI.a lib/libLLVMDebugInfoCodeView.a lib/libLLVMDebugInfoMSF.a lib/libLLVMDebugInfoBTF.a lib/libLLVMCore.a lib/libLLVMBinaryFormat.a lib/libLLVMTargetParser.a lib/libLLVMRemarks.a lib/libLLVMBitstreamReader.a lib/libLLVMSupport.a lib/libLLVMDemangle.a -lrt -ldl -lm /usr/lib/x86_64-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+0x1a2a): 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
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