[llvm] [RISCV][LoopIdiomVectorize] Support VP intrinsics in LoopIdiomVectorize (PR #94082)

Tue Jul 2 18:55:07 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `bolt-x86_64-ubuntu-shared` running on `bolt-worker` while building `llvm` at step 5 "build-bolt".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/151/builds/731

Here is the relevant piece of the build log for the reference:
```
Step 5 (build-bolt) failure: build (failure)
...
14.770 [6/7/21] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetMachine.cpp.o
14.771 [6/6/22] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVInstructionSelector.cpp.o
15.787 [6/5/23] Building CXX object lib/Target/AArch64/CMakeFiles/LLVMAArch64CodeGen.dir/AArch64TargetMachine.cpp.o
15.865 [5/5/24] Linking CXX shared library lib/libLLVMAArch64CodeGen.so.19.0git
15.872 [4/5/25] Creating library symlink lib/libLLVMAArch64CodeGen.so
16.005 [4/4/26] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVFoldMasks.cpp.o
16.759 [4/3/27] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVPostLegalizerCombiner.cpp.o
19.365 [4/2/28] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelDAGToDAG.cpp.o
25.503 [4/1/29] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelLowering.cpp.o
25.554 [3/1/30] Linking CXX shared library lib/libLLVMRISCVCodeGen.so.19.0git
FAILED: lib/libLLVMRISCVCodeGen.so.19.0git 
: && /usr/bin/c++ -fPIC -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -fno-lifetime-dse -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=lld -Wl,--color-diagnostics   -Wl,--gc-sections -shared -Wl,-soname,libLLVMRISCVCodeGen.so.19.0git -o lib/libLLVMRISCVCodeGen.so.19.0git lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVAsmPrinter.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVCodeGenPrepare.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVDeadRegisterDefinitions.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVMakeCompressible.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVExpandAtomicPseudoInsts.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVExpandPseudoInsts.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVFoldMasks.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVFrameLowering.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVGatherScatterLowering.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVInsertVSETVLI.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVInsertReadWriteCSR.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVInsertWriteVXRM.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVInstrInfo.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelDAGToDAG.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelLowering.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVMachineFunctionInfo.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVMergeBaseOffset.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVOptWInstrs.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVPostRAExpandPseudoInsts.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVRedundantCopyElimination.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVMoveMerger.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVPushPopOptimizer.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVRegisterInfo.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVSubtarget.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetMachine.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetObjectFile.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetTransformInfo.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVCallLowering.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVInstructionSelector.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVLegalizerInfo.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVPostLegalizerCombiner.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVO0PreLegalizerCombiner.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVPreLegalizerCombiner.cpp.o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVRegisterBankInfo.cpp.o  -Wl,-rpath,"\$ORIGIN/../lib:/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/build/lib:"  lib/libLLVMAsmPrinter.so.19.0git  lib/libLLVMGlobalISel.so.19.0git  lib/libLLVMipo.so.19.0git  lib/libLLVMRISCVDesc.so.19.0git  lib/libLLVMRISCVInfo.so.19.0git  lib/libLLVMSelectionDAG.so.19.0git  lib/libLLVMCodeGen.so.19.0git  lib/libLLVMCodeGenTypes.so.19.0git  lib/libLLVMTarget.so.19.0git  lib/libLLVMScalarOpts.so.19.0git  lib/libLLVMTransformUtils.so.19.0git  lib/libLLVMAnalysis.so.19.0git  lib/libLLVMCore.so.19.0git  lib/libLLVMMC.so.19.0git  lib/libLLVMTargetParser.so.19.0git  lib/libLLVMSupport.so.19.0git  -Wl,-rpath-link,/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/build/lib && :
ld.lld: error: undefined symbol: llvm::LoopIdiomVectorizePass::run(llvm::Loop&, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>&, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&)
>>> referenced by RISCVTargetMachine.cpp
>>>               lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetMachine.cpp.o:(llvm::detail::PassModel<llvm::Loop, llvm::LoopIdiomVectorizePass, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>::run(llvm::Loop&, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>&, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&))
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.

```

https://github.com/llvm/llvm-project/pull/94082