[Mlir-commits] [mlir] [mlir][scf] Add parallelLoopUnrollByFactors() (PR #163806)

LLVM Continuous Integration llvmlistbot at llvm.org
Fri Oct 24 02:14:09 PDT 2025 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `amdgpu-offload-rhel-9-cmake-build-only` running on `rocm-docker-rhel-9` while building `mlir` at step 4 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/205/builds/25988

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

```
Step 4 (annotate) failure: '../llvm-zorg/zorg/buildbot/builders/annotated/amdgpu-offload-cmake.py --jobs=32' (failure)
...
[6824/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/Mips.cpp.o
[6825/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/ARM.cpp.o
[6826/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/MipsArchTree.cpp.o
[6827/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/Hexagon.cpp.o
[6828/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/SPARCV9.cpp.o
[6829/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/SystemZ.cpp.o
[6830/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAliasAnalysis.cpp.o
[6831/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/LoongArch.cpp.o
[6832/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/RISCV.cpp.o
[6833/8170] Linking CXX shared library lib/libMLIRSCFDialect.so.22.0git
FAILED: lib/libMLIRSCFDialect.so.22.0git 
: && /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-array-bounds -Wno-stringop-overread -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Wundef -Wno-unused-but-set-parameter -Wno-deprecated-copy -O3 -DNDEBUG  -Wl,-z,defs -Wl,-z,nodelete   -Wl,-rpath-link,/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/build/./lib  -Wl,--gc-sections -shared -Wl,-soname,libMLIRSCFDialect.so.22.0git -o lib/libMLIRSCFDialect.so.22.0git tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/SCF.cpp.o tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/DeviceMappingInterface.cpp.o tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/ValueBoundsOpInterfaceImpl.cpp.o  -Wl,-rpath,"\$ORIGIN/../lib:/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/build/lib:"  lib/libMLIRControlFlowDialect.so.22.0git  lib/libMLIRTensorDialect.so.22.0git  lib/libMLIRAffineDialect.so.22.0git  lib/libMLIRMemRefDialect.so.22.0git  lib/libMLIRValueBoundsOpInterface.so.22.0git  lib/libMLIRAnalysis.so.22.0git  lib/libMLIRLoopLikeInterface.so.22.0git  lib/libMLIRFunctionInterfaces.so.22.0git  lib/libMLIRSideEffectInterfaces.so.22.0git  lib/libMLIRCallInterfaces.so.22.0git  lib/libMLIRDataLayoutInterfaces.so.22.0git  lib/libMLIRPresburger.so.22.0git  lib/libMLIRControlFlowInterfaces.so.22.0git  lib/libMLIRInferStridedMetadataInterface.so.22.0git  lib/libMLIRMemOpInterfaces.so.22.0git  lib/libMLIRMemorySlotInterfaces.so.22.0git  lib/libMLIRArithUtils.so.22.0git  lib/libMLIRDialectUtils.so.22.0git  lib/libMLIRComplexDialect.so.22.0git  lib/libMLIRArithDialect.so.22.0git  lib/libMLIRCastInterfaces.so.22.0git  lib/libMLIRInferIntRangeCommon.so.22.0git  lib/libMLIRInferIntRangeInterface.so.22.0git  lib/libMLIRUBDialect.so.22.0git  lib/libMLIRDialect.so.22.0git  lib/libMLIRInferTypeOpInterface.so.22.0git  lib/libMLIRDestinationStyleOpInterface.so.22.0git  lib/libMLIRParallelCombiningOpInterface.so.22.0git  lib/libMLIRRuntimeVerifiableOpInterface.so.22.0git  lib/libMLIRShapedOpInterfaces.so.22.0git  lib/libMLIRViewLikeInterface.so.22.0git  lib/libMLIRIR.so.22.0git  lib/libMLIRSupport.so.22.0git  lib/libLLVMSupport.so.22.0git  -Wl,-rpath-link,/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/build/lib && :
/usr/bin/ld: tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/SCF.cpp.o: in function `mlir::scf::ForOp::getStaticTripCount() [clone .localalias]':
SCF.cpp:(.text._ZN4mlir3scf5ForOp18getStaticTripCountEv+0x1a): undefined reference to `mlir::scf::computeUbMinusLb(mlir::Value, mlir::Value, bool)'
/usr/bin/ld: tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/SCF.cpp.o: in function `mlir::scf::ForallOp::promoteIfSingleIteration(mlir::RewriterBase&) [clone .localalias]':
SCF.cpp:(.text._ZN4mlir3scf8ForallOp24promoteIfSingleIterationERNS_12RewriterBaseE+0x1f3): undefined reference to `mlir::scf::computeUbMinusLb(mlir::Value, mlir::Value, bool)'
/usr/bin/ld: tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/SCF.cpp.o: in function `(anonymous namespace)::ForallOpReplaceConstantInductionVar::matchAndRewrite(mlir::scf::ForallOp, mlir::PatternRewriter&) const':
SCF.cpp:(.text._ZNK12_GLOBAL__N_135ForallOpReplaceConstantInductionVar15matchAndRewriteEN4mlir3scf8ForallOpERNS1_15PatternRewriterE+0x2ca): undefined reference to `mlir::scf::computeUbMinusLb(mlir::Value, mlir::Value, bool)'
/usr/bin/ld: tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/SCF.cpp.o: in function `(anonymous namespace)::ParallelOpSingleOrZeroIterationDimsFolder::matchAndRewrite(mlir::scf::ParallelOp, mlir::PatternRewriter&) const':
SCF.cpp:(.text._ZNK12_GLOBAL__N_141ParallelOpSingleOrZeroIterationDimsFolder15matchAndRewriteEN4mlir3scf10ParallelOpERNS1_15PatternRewriterE+0x349): undefined reference to `mlir::scf::computeUbMinusLb(mlir::Value, mlir::Value, bool)'
/usr/bin/ld: tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/SCF.cpp.o: in function `(anonymous namespace)::ForallOpSingleOrZeroIterationDimsFolder::matchAndRewrite(mlir::scf::ForallOp, mlir::PatternRewriter&) const':
SCF.cpp:(.text._ZNK12_GLOBAL__N_139ForallOpSingleOrZeroIterationDimsFolder15matchAndRewriteEN4mlir3scf8ForallOpERNS1_15PatternRewriterE+0x417): undefined reference to `mlir::scf::computeUbMinusLb(mlir::Value, mlir::Value, bool)'
collect2: error: ld returned 1 exit status
[6834/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/PPC.cpp.o
[6835/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/PPC64.cpp.o
[6836/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUExportKernelRuntimeHandles.cpp.o
[6837/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUCtorDtorLowering.cpp.o
[6838/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUFrameLowering.cpp.o
[6839/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAnnotateUniformValues.cpp.o
[6840/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAsanInstrumentation.cpp.o
[6841/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAlwaysInlinePass.cpp.o
[6842/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUArgumentUsageInfo.cpp.o
[6843/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAsmPrinter.cpp.o
[6844/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInsertDelayAlu.cpp.o
[6845/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUExportClustering.cpp.o
[6846/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUGlobalISelUtils.cpp.o
[6847/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAtomicOptimizer.cpp.o
[6848/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAttributor.cpp.o
[6849/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUCodeGenPrepare.cpp.o
/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp:312: warning: ‘bool {anonymous}::AMDGPUCodeGenPrepareImpl::isSigned(const llvm::SelectInst&) const’ defined but not used [-Wunused-function]
  312 | bool AMDGPUCodeGenPrepareImpl::isSigned(const SelectInst &I) const {
      | 
/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp:307: warning: ‘bool {anonymous}::AMDGPUCodeGenPrepareImpl::isSigned(const llvm::BinaryOperator&) const’ defined but not used [-Wunused-function]
  307 | bool AMDGPUCodeGenPrepareImpl::isSigned(const BinaryOperator &I) const {
      | 
[6850/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUBarrierLatency.cpp.o
[6851/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUGlobalISelDivergenceLowering.cpp.o
[6852/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUCombinerHelper.cpp.o
[6853/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUHSAMetadataStreamer.cpp.o
Step 7 (build cmake config) failure: build cmake config (failure)
...
[6824/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/Mips.cpp.o
[6825/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/ARM.cpp.o
[6826/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/MipsArchTree.cpp.o
[6827/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/Hexagon.cpp.o
[6828/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/SPARCV9.cpp.o
[6829/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/SystemZ.cpp.o
[6830/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAliasAnalysis.cpp.o
[6831/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/LoongArch.cpp.o
[6832/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/RISCV.cpp.o
[6833/8170] Linking CXX shared library lib/libMLIRSCFDialect.so.22.0git
FAILED: lib/libMLIRSCFDialect.so.22.0git 
: && /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-array-bounds -Wno-stringop-overread -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Wundef -Wno-unused-but-set-parameter -Wno-deprecated-copy -O3 -DNDEBUG  -Wl,-z,defs -Wl,-z,nodelete   -Wl,-rpath-link,/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/build/./lib  -Wl,--gc-sections -shared -Wl,-soname,libMLIRSCFDialect.so.22.0git -o lib/libMLIRSCFDialect.so.22.0git tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/SCF.cpp.o tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/DeviceMappingInterface.cpp.o tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/ValueBoundsOpInterfaceImpl.cpp.o  -Wl,-rpath,"\$ORIGIN/../lib:/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/build/lib:"  lib/libMLIRControlFlowDialect.so.22.0git  lib/libMLIRTensorDialect.so.22.0git  lib/libMLIRAffineDialect.so.22.0git  lib/libMLIRMemRefDialect.so.22.0git  lib/libMLIRValueBoundsOpInterface.so.22.0git  lib/libMLIRAnalysis.so.22.0git  lib/libMLIRLoopLikeInterface.so.22.0git  lib/libMLIRFunctionInterfaces.so.22.0git  lib/libMLIRSideEffectInterfaces.so.22.0git  lib/libMLIRCallInterfaces.so.22.0git  lib/libMLIRDataLayoutInterfaces.so.22.0git  lib/libMLIRPresburger.so.22.0git  lib/libMLIRControlFlowInterfaces.so.22.0git  lib/libMLIRInferStridedMetadataInterface.so.22.0git  lib/libMLIRMemOpInterfaces.so.22.0git  lib/libMLIRMemorySlotInterfaces.so.22.0git  lib/libMLIRArithUtils.so.22.0git  lib/libMLIRDialectUtils.so.22.0git  lib/libMLIRComplexDialect.so.22.0git  lib/libMLIRArithDialect.so.22.0git  lib/libMLIRCastInterfaces.so.22.0git  lib/libMLIRInferIntRangeCommon.so.22.0git  lib/libMLIRInferIntRangeInterface.so.22.0git  lib/libMLIRUBDialect.so.22.0git  lib/libMLIRDialect.so.22.0git  lib/libMLIRInferTypeOpInterface.so.22.0git  lib/libMLIRDestinationStyleOpInterface.so.22.0git  lib/libMLIRParallelCombiningOpInterface.so.22.0git  lib/libMLIRRuntimeVerifiableOpInterface.so.22.0git  lib/libMLIRShapedOpInterfaces.so.22.0git  lib/libMLIRViewLikeInterface.so.22.0git  lib/libMLIRIR.so.22.0git  lib/libMLIRSupport.so.22.0git  lib/libLLVMSupport.so.22.0git  -Wl,-rpath-link,/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/build/lib && :
/usr/bin/ld: tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/SCF.cpp.o: in function `mlir::scf::ForOp::getStaticTripCount() [clone .localalias]':
SCF.cpp:(.text._ZN4mlir3scf5ForOp18getStaticTripCountEv+0x1a): undefined reference to `mlir::scf::computeUbMinusLb(mlir::Value, mlir::Value, bool)'
/usr/bin/ld: tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/SCF.cpp.o: in function `mlir::scf::ForallOp::promoteIfSingleIteration(mlir::RewriterBase&) [clone .localalias]':
SCF.cpp:(.text._ZN4mlir3scf8ForallOp24promoteIfSingleIterationERNS_12RewriterBaseE+0x1f3): undefined reference to `mlir::scf::computeUbMinusLb(mlir::Value, mlir::Value, bool)'
/usr/bin/ld: tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/SCF.cpp.o: in function `(anonymous namespace)::ForallOpReplaceConstantInductionVar::matchAndRewrite(mlir::scf::ForallOp, mlir::PatternRewriter&) const':
SCF.cpp:(.text._ZNK12_GLOBAL__N_135ForallOpReplaceConstantInductionVar15matchAndRewriteEN4mlir3scf8ForallOpERNS1_15PatternRewriterE+0x2ca): undefined reference to `mlir::scf::computeUbMinusLb(mlir::Value, mlir::Value, bool)'
/usr/bin/ld: tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/SCF.cpp.o: in function `(anonymous namespace)::ParallelOpSingleOrZeroIterationDimsFolder::matchAndRewrite(mlir::scf::ParallelOp, mlir::PatternRewriter&) const':
SCF.cpp:(.text._ZNK12_GLOBAL__N_141ParallelOpSingleOrZeroIterationDimsFolder15matchAndRewriteEN4mlir3scf10ParallelOpERNS1_15PatternRewriterE+0x349): undefined reference to `mlir::scf::computeUbMinusLb(mlir::Value, mlir::Value, bool)'
/usr/bin/ld: tools/mlir/lib/Dialect/SCF/IR/CMakeFiles/obj.MLIRSCFDialect.dir/SCF.cpp.o: in function `(anonymous namespace)::ForallOpSingleOrZeroIterationDimsFolder::matchAndRewrite(mlir::scf::ForallOp, mlir::PatternRewriter&) const':
SCF.cpp:(.text._ZNK12_GLOBAL__N_139ForallOpSingleOrZeroIterationDimsFolder15matchAndRewriteEN4mlir3scf8ForallOpERNS1_15PatternRewriterE+0x417): undefined reference to `mlir::scf::computeUbMinusLb(mlir::Value, mlir::Value, bool)'
collect2: error: ld returned 1 exit status
[6834/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/PPC.cpp.o
[6835/8170] Building CXX object tools/lld/ELF/CMakeFiles/lldELF.dir/Arch/PPC64.cpp.o
[6836/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUExportKernelRuntimeHandles.cpp.o
[6837/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUCtorDtorLowering.cpp.o
[6838/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUFrameLowering.cpp.o
[6839/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAnnotateUniformValues.cpp.o
[6840/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAsanInstrumentation.cpp.o
[6841/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAlwaysInlinePass.cpp.o
[6842/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUArgumentUsageInfo.cpp.o
[6843/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAsmPrinter.cpp.o
[6844/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUInsertDelayAlu.cpp.o
[6845/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUExportClustering.cpp.o
[6846/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUGlobalISelUtils.cpp.o
[6847/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAtomicOptimizer.cpp.o
[6848/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAttributor.cpp.o
[6849/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUCodeGenPrepare.cpp.o
/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp:312: warning: ‘bool {anonymous}::AMDGPUCodeGenPrepareImpl::isSigned(const llvm::SelectInst&) const’ defined but not used [-Wunused-function]
  312 | bool AMDGPUCodeGenPrepareImpl::isSigned(const SelectInst &I) const {
      | 
/home/botworker/bbot/amdgpu-offload-rhel-9-cmake-build-only/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUCodeGenPrepare.cpp:307: warning: ‘bool {anonymous}::AMDGPUCodeGenPrepareImpl::isSigned(const llvm::BinaryOperator&) const’ defined but not used [-Wunused-function]
  307 | bool AMDGPUCodeGenPrepareImpl::isSigned(const BinaryOperator &I) const {
      | 
[6850/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUBarrierLatency.cpp.o
[6851/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUGlobalISelDivergenceLowering.cpp.o
[6852/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUCombinerHelper.cpp.o
[6853/8170] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUHSAMetadataStreamer.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/163806

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