[llvm] [AMDGPU] Introduce "amdgpu-sw-lower-lds" pass to lower LDS accesses. (PR #87265)

Sun Aug 25 21:20:33 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-ppc64le-linux-multistage` running on `ppc64le-clang-multistage-test` while building `llvm` at step 4 "build stage 1".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/76/builds/2236

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

```
Step 4 (build stage 1) failure: 'ninja' (failure)
...
[5952/6117] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIRegisterInfo.cpp.o
[5953/6117] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUISelDAGToDAG.cpp.o
[5954/6117] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstructionSelector.cpp.o
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/llvm/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp: In member function ‘bool llvm::AMDGPUInstructionSelector::selectG_TRUNC(llvm::MachineInstr&) const’:
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/llvm/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.cpp:2301: warning: enumeral and non-enumeral type in conditional expression [-Wextra]
         DstSize < 32 ? AMDGPU::sub0 : TRI.getSubRegFromChannel(0, DstSize / 32);

[5955/6117] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIISelLowering.cpp.o
[5956/6117] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUTargetMachine.cpp.o
[5957/6117] Linking CXX shared library lib/libLLVMAMDGPUCodeGen.so.20.0git
FAILED: lib/libLLVMAMDGPUCodeGen.so.20.0git 
: && /usr/lib64/ccache/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-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment -Wno-misleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG  -Wl,-z,defs -Wl,-z,nodelete   -Wl,-rpath-link,/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/stage1/./lib  -Wl,--gc-sections -shared -Wl,-soname,libLLVMAMDGPUCodeGen.so.20.0git -o lib/libLLVMAMDGPUCodeGen.so.20.0git lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAliasAnalysis.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAlwaysInlinePass.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAnnotateKernelFeatures.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAnnotateUniformValues.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUArgumentUsageInfo.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAsanInstrumentation.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAsmPrinter.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAtomicOptimizer.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAttributor.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUCallLowering.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUCodeGenPrepare.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUCombinerHelper.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUCtorDtorLowering.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUExportClustering.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUFrameLowering.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUGlobalISelDivergenceLowering.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUGlobalISelUtils.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUHSAMetadataStreamer.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInsertDelayAlu.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstCombineIntrinsic.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstrInfo.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInstructionSelector.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUISelDAGToDAG.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUISelLowering.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULateCodeGenPrepare.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULegalizerInfo.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULibCalls.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUImageIntrinsicOptimizer.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULibFunc.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerBufferFatPointers.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerKernelArguments.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerKernelAttributes.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerModuleLDSPass.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUSwLowerLDS.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMachineFunction.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMachineModuleInfo.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMacroFusion.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMCInstLower.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMemoryUtils.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUIGroupLP.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir
Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMIRFormatter.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUOpenCLEnqueuedBlockLowering.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUPerfHintAnalysis.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUPostLegalizerCombiner.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUPreLegalizerCombiner.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUPrintfRuntimeBinding.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUPromoteAlloca.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUPromoteKernelArguments.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPURegBankCombiner.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPURegBankSelect.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPURegisterBankInfo.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPURemoveIncompatibleFunctions.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUResourceUsageAnalysis.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPURewriteOutArguments.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPURewriteUndefForPHI.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUSetWavePriority.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUSplitModule.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUSubtarget.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUTargetMachine.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUTargetObjectFile.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUTargetTransformInfo.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUUnifyDivergentExitNodes.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUUnifyMetadata.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600MachineCFGStructurizer.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNCreateVOPD.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNDPPCombine.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNHazardRecognizer.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNILPSched.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNIterativeScheduler.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNMinRegStrategy.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNNSAReassign.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNPreRAOptimizations.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNPreRALongBranchReg.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNRegPressure.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNRewritePartialRegUses.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNSchedStrategy.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNSubtarget.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNVOPDUtils.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600AsmPrinter.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600ClauseMergePass.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600ControlFlowFinalizer.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600EmitClauseMarkers.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600ExpandSpecialInstrs.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600FrameLowering.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600InstrInfo.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600ISelDAGToDAG.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600ISelLowering.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600MachineFunctionInfo.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600MachineScheduler.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600MCInstLower.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600OpenCLImageTypeLoweringPass.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600OptimizeVectorRegisters.cpp.o lib/Target/AM
GPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600Packetizer.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600RegisterInfo.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600Subtarget.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600TargetMachine.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600TargetTransformInfo.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIAnnotateControlFlow.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIFixSGPRCopies.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIFixVGPRCopies.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIFoldOperands.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIFormMemoryClauses.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIFrameLowering.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIInsertHardClauses.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIInsertWaitcnts.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIInstrInfo.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIISelLowering.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SILateBranchLowering.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SILoadStoreOptimizer.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SILowerControlFlow.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SILowerI1Copies.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SILowerWWMCopies.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SILowerSGPRSpills.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIMachineFunctionInfo.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIMachineScheduler.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIMemoryLegalizer.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIModeRegister.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIModeRegisterDefaults.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIOptimizeExecMasking.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIOptimizeExecMaskingPreRA.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIOptimizeVGPRLiveRange.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIPeepholeSDWA.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIPostRABundler.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIPreAllocateWWMRegs.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIPreEmitPeephole.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIProgramInfo.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIRegisterInfo.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIShrinkInstructions.cpp.o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/SIWholeQuadMode.cpp.o  -Wl,-rpath,"\$ORIGIN/../lib:/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/stage1/lib:"  lib/libLLVMAMDGPUDesc.so.20.0git  lib/libLLVMAMDGPUInfo.so.20.0git  lib/libLLVMAMDGPUUtils.so.20.0git  lib/libLLVMAsmPrinter.so.20.0git  lib/libLLVMGlobalISel.so.20.0git  lib/libLLVMMIRParser.so.20.0git  lib/libLLVMPasses.so.20.0git  lib/libLLVMSelectionDAG.so.20.0git  lib/libLLVMCodeGen.so.20.0git  lib/libLLVMCodeGenTypes.so.20.0git  lib/libLLVMHipStdPar.so.20.0git  lib/libLLVMIRPrinter.so.20.0git  lib/libLLVMTarget.so.20.0git  lib/libLLVMipo.so.20.0git  lib/libLLVMVectorize.so.20.0git  lib/libLLVMScalarOpts.so.20.0git  lib/libLLVMTransformUtils.so.20.0git  lib/libLLVMAnalysis.so.20.0git  lib/libLLVMMC.so.20.0git  lib/libLLVMCore.so.20.0git  lib/libLLVMBinaryFormat.so.20.0git  lib/libLLVMTargetParser.so.20.0git  lib/libLLVMSupport.so.20.0git  -Wl,-rpath-link,/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-multistage-test/clang-ppc64le-multistage/stage1/lib && :
lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUSwLowerLDS.cpp.o: In function `(anonymous namespace)::AMDGPUSwLowerLDS::run()':
AMDGPUSwLowerLDS.cpp:(.text._ZN12_GLOBAL__N_116AMDGPUSwLowerLDS3runEv+0x164): undefined reference to `llvm::getAddressSanitizerParams(llvm::Triple const&, int, bool, unsigned long*, int*, bool*)'
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/87265