[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 06:01:59 PDT 2025
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `llvm-nvptx64-nvidia-ubuntu` running on `as-builder-7` while building `llvm` at step 5 "build-unified-tree".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/160/builds/15335
<details>
<summary>Here is the relevant piece of the build log for the reference</summary>
```
Step 5 (build-unified-tree) failure: build (failure)
...
59.638 [54/7/2666] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86DomainReassignment.cpp.o
59.666 [54/6/2667] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86CallingConv.cpp.o
59.719 [54/5/2668] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86FixupSetCC.cpp.o
59.737 [54/4/2669] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86MacroFusion.cpp.o
59.819 [54/3/2670] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86InsertPrefetch.cpp.o
60.124 [54/2/2671] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86InstrInfo.cpp.o
60.511 [53/2/2672] Linking CXX shared library lib/libLLVMX86CodeGen.so.21.0git
60.523 [52/2/2673] Creating library symlink lib/libLLVMX86CodeGen.so
63.319 [52/1/2674] Building CXX object lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/LoopVectorize.cpp.o
63.607 [51/1/2675] Linking CXX shared library lib/libLLVMVectorize.so.21.0git
FAILED: lib/libLLVMVectorize.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 -fuse-ld=gold -Wl,--gc-sections -shared -Wl,-soname,libLLVMVectorize.so.21.0git -o lib/libLLVMVectorize.so.21.0git lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/LoadStoreVectorizer.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/LoopIdiomVectorize.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/LoopVectorizationLegality.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/LoopVectorize.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/DependencyGraph.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/InstrMaps.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Interval.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Legality.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Passes/BottomUpVec.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Passes/RegionsFromBBs.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Passes/RegionsFromMetadata.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Passes/SeedCollection.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Passes/TransactionAcceptOrRevert.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Passes/TransactionSave.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/SandboxVectorizer.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/SandboxVectorizerPassBuilder.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Scheduler.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/SeedCollector.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/VecUtils.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SLPVectorizer.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/Vectorize.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/VectorCombine.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/VPlan.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/VPlanAnalysis.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/VPlanConstruction.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/VPlanHCFGBuilder.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/VPlanRecipes.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/VPlanSLP.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/VPlanTransforms.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/VPlanUnroll.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/VPlanVerifier.cpp.o lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/VPlanUtils.cpp.o -Wl,-rpath,"\$ORIGIN/../lib:/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/lib:" lib/libLLVMTransformUtils.so.21.0git lib/libLLVMSandboxIR.so.21.0git lib/libLLVMAnalysis.so.21.0git lib/libLLVMCore.so.21.0git lib/libLLVMSupport.so.21.0git -Wl,-rpath-link,/home/buildbot/worker/as-builder-7/ramdisk/llvm-nvptx64-nvidia-ubuntu/build/lib && :
lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/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
ninja: build stopped: subcommand failed.
```
</details>
https://github.com/llvm/llvm-project/pull/123655
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