[llvm] [GlobalISel][NFC] Rename GISelKnownBits to GISelValueTracking (PR #133466)

Sat Mar 29 06:09:20 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-ppc64le-linux` running on `ppc64le-sanitizer` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/72/builds/9669

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

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
[3025/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineFrameInfo.cpp.o
[3026/4170] Building CXX object lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/BuildLibCalls.cpp.o
[3027/4170] Linking CXX shared module unittests/Analysis/InlineAdvisorPlugin.so
[3028/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineDomTreeUpdater.cpp.o
[3029/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetSchedule.cpp.o
[3030/4170] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineOrder.cpp.o
[3031/4170] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DependenceGraphBuilder.cpp.o
[3032/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ShadowStackGCLowering.cpp.o
[3033/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LexicalScopes.cpp.o
[3034/4170] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o
FAILED: tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm_build0/bin/clang++ -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/tools/llvm-reduce -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/tools/llvm-reduce -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o -MF tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o.d -o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp:111:15: error: variable 'FPOp' set but not used [-Werror,-Wunused-but-set-variable]
  111 |     if (auto *FPOp = dyn_cast<FPMathOperator>(NewCI))
      |               ^
1 error generated.
[3035/4170] Building CXX object lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Passes/TransactionAcceptOrRevert.cpp.o
[3036/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/PseudoSourceValue.cpp.o
[3037/4170] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CallGraph.cpp.o
[3038/4170] Building CXX object lib/IR/CMakeFiles/LLVMCore.dir/Instruction.cpp.o
[3039/4170] Building CXX object lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SSAUpdater.cpp.o
[3040/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LowerEmuTLS.cpp.o
[3041/4170] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/StripDebugInfo.cpp.o
[3042/4170] Building CXX object lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Interval.cpp.o
[3043/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/BreakFalseDeps.cpp.o
[3044/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ProcessImplicitDefs.cpp.o
[3045/4170] Building CXX object lib/Transforms/Instrumentation/CMakeFiles/LLVMInstrumentation.dir/ValueProfileCollector.cpp.o
[3046/4170] Building CXX object lib/IR/CMakeFiles/LLVMCore.dir/BasicBlock.cpp.o
[3047/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineSSAUpdater.cpp.o
[3048/4170] Building CXX object lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LowerMemIntrinsics.cpp.o
[3049/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineFunctionAnalysis.cpp.o
[3050/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ScheduleDAGPrinter.cpp.o
[3051/4170] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/AliasSetTracker.cpp.o
[3052/4170] Building CXX object lib/CodeGen/GlobalISel/CMakeFiles/LLVMGlobalISel.dir/GIMatchTableExecutor.cpp.o
[3053/4170] Building CXX object lib/Transforms/ObjCARC/CMakeFiles/LLVMObjCARCOpts.dir/ObjCARCContract.cpp.o
[3054/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/InitUndef.cpp.o
[3055/4170] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceUsingSimplifyCFG.cpp.o
[3056/4170] Building CXX object lib/Target/PowerPC/CMakeFiles/LLVMPowerPCCodeGen.dir/GISel/PPCRegisterBankInfo.cpp.o
[3057/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/FinalizeISel.cpp.o
[3058/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/WasmEHPrepare.cpp.o
[3059/4170] Building CXX object lib/Transforms/Coroutines/CMakeFiles/LLVMCoroutines.dir/SuspendCrossingInfo.cpp.o
[3060/4170] Building CXX object lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/BreakCriticalEdges.cpp.o
[3061/4170] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperands.cpp.o
[3062/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetFrameLoweringImpl.cpp.o
[3063/4170] Building CXX object lib/Transforms/Scalar/CMakeFiles/LLVMScalarOpts.dir/LoopDataPrefetch.cpp.o
[3064/4170] Building CXX object lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Passes/RegionsFromMetadata.cpp.o
[3065/4170] Building CXX object lib/Transforms/Scalar/CMakeFiles/LLVMScalarOpts.dir/LowerConstantIntrinsics.cpp.o
[3066/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ExpandReductions.cpp.o
[3067/4170] Building CXX object lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LibCallsShrinkWrap.cpp.o
Step 8 (build compiler-rt debug) failure: build compiler-rt debug (failure)
...
[3025/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineFrameInfo.cpp.o
[3026/4170] Building CXX object lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/BuildLibCalls.cpp.o
[3027/4170] Linking CXX shared module unittests/Analysis/InlineAdvisorPlugin.so
[3028/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineDomTreeUpdater.cpp.o
[3029/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetSchedule.cpp.o
[3030/4170] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineOrder.cpp.o
[3031/4170] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DependenceGraphBuilder.cpp.o
[3032/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ShadowStackGCLowering.cpp.o
[3033/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LexicalScopes.cpp.o
[3034/4170] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o
FAILED: tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm_build0/bin/clang++ -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/tools/llvm-reduce -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/tools/llvm-reduce -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o -MF tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o.d -o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp:111:15: error: variable 'FPOp' set but not used [-Werror,-Wunused-but-set-variable]
  111 |     if (auto *FPOp = dyn_cast<FPMathOperator>(NewCI))
      |               ^
1 error generated.
[3035/4170] Building CXX object lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Passes/TransactionAcceptOrRevert.cpp.o
[3036/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/PseudoSourceValue.cpp.o
[3037/4170] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/CallGraph.cpp.o
[3038/4170] Building CXX object lib/IR/CMakeFiles/LLVMCore.dir/Instruction.cpp.o
[3039/4170] Building CXX object lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/SSAUpdater.cpp.o
[3040/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/LowerEmuTLS.cpp.o
[3041/4170] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/StripDebugInfo.cpp.o
[3042/4170] Building CXX object lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Interval.cpp.o
[3043/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/BreakFalseDeps.cpp.o
[3044/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ProcessImplicitDefs.cpp.o
[3045/4170] Building CXX object lib/Transforms/Instrumentation/CMakeFiles/LLVMInstrumentation.dir/ValueProfileCollector.cpp.o
[3046/4170] Building CXX object lib/IR/CMakeFiles/LLVMCore.dir/BasicBlock.cpp.o
[3047/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineSSAUpdater.cpp.o
[3048/4170] Building CXX object lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LowerMemIntrinsics.cpp.o
[3049/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/MachineFunctionAnalysis.cpp.o
[3050/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ScheduleDAGPrinter.cpp.o
[3051/4170] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/AliasSetTracker.cpp.o
[3052/4170] Building CXX object lib/CodeGen/GlobalISel/CMakeFiles/LLVMGlobalISel.dir/GIMatchTableExecutor.cpp.o
[3053/4170] Building CXX object lib/Transforms/ObjCARC/CMakeFiles/LLVMObjCARCOpts.dir/ObjCARCContract.cpp.o
[3054/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/InitUndef.cpp.o
[3055/4170] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceUsingSimplifyCFG.cpp.o
[3056/4170] Building CXX object lib/Target/PowerPC/CMakeFiles/LLVMPowerPCCodeGen.dir/GISel/PPCRegisterBankInfo.cpp.o
[3057/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/FinalizeISel.cpp.o
[3058/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/WasmEHPrepare.cpp.o
[3059/4170] Building CXX object lib/Transforms/Coroutines/CMakeFiles/LLVMCoroutines.dir/SuspendCrossingInfo.cpp.o
[3060/4170] Building CXX object lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/BreakCriticalEdges.cpp.o
[3061/4170] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperands.cpp.o
[3062/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/TargetFrameLoweringImpl.cpp.o
[3063/4170] Building CXX object lib/Transforms/Scalar/CMakeFiles/LLVMScalarOpts.dir/LoopDataPrefetch.cpp.o
[3064/4170] Building CXX object lib/Transforms/Vectorize/CMakeFiles/LLVMVectorize.dir/SandboxVectorizer/Passes/RegionsFromMetadata.cpp.o
[3065/4170] Building CXX object lib/Transforms/Scalar/CMakeFiles/LLVMScalarOpts.dir/LowerConstantIntrinsics.cpp.o
[3066/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/ExpandReductions.cpp.o
[3067/4170] Building CXX object lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/LibCallsShrinkWrap.cpp.o
Step 10 (build compiler-rt tsan_debug) failure: build compiler-rt tsan_debug (failure)
...
[3785/4151] Linking CXX executable bin/llvm-special-case-list-fuzzer
[3786/4151] Linking CXX static library lib/libLLVMIRReader.a
[3787/4151] Linking CXX executable bin/llvm-jitlink-executor
[3788/4151] Linking CXX executable bin/llvm-bcanalyzer
[3789/4151] Linking CXX executable bin/llvm-stress
[3790/4151] Linking CXX executable bin/llvm-dis
[3791/4151] Building CXX object tools/clang/tools/clang-repl/CMakeFiles/clang-repl.dir/ClangRepl.cpp.o
[3792/4151] Linking CXX executable bin/llvm-diff
[3793/4151] Building CXX object tools/clang/tools/clang-check/CMakeFiles/clang-check.dir/ClangCheck.cpp.o
[3794/4151] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o
FAILED: tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm_build0/bin/clang++ -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/tools/llvm-reduce -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/tools/llvm-reduce -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o -MF tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o.d -o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp:111:15: error: variable 'FPOp' set but not used [-Werror,-Wunused-but-set-variable]
  111 |     if (auto *FPOp = dyn_cast<FPMathOperator>(NewCI))
      |               ^
1 error generated.
[3795/4151] Building CXX object lib/MC/MCParser/CMakeFiles/LLVMMCParser.dir/AsmParser.cpp.o
ninja: build stopped: subcommand failed.

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild

Step 11 (build compiler-rt default) failure: build compiler-rt default (failure)
...
[3804/4170] Building CXX object lib/Transforms/Utils/CMakeFiles/LLVMTransformUtils.dir/CanonicalizeFreezeInLoops.cpp.o
[3805/4170] Building CXX object lib/ObjectYAML/CMakeFiles/LLVMObjectYAML.dir/COFFEmitter.cpp.o
[3806/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/AtomicExpandPass.cpp.o
[3807/4170] Building CXX object lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/DroppedVariableStatsMIR.cpp.o
[3808/4170] Linking CXX static library lib/libLLVMOrcTargetProcess.a
[3809/4170] Linking CXX static library lib/libLLVMMCA.a
[3810/4170] Linking CXX executable bin/llvm-special-case-list-fuzzer
[3811/4170] Linking CXX executable bin/llvm-jitlink-executor
[3812/4170] Building CXX object tools/clang/lib/Driver/CMakeFiles/obj.clangDriver.dir/ToolChains/HIPUtility.cpp.o
[3813/4170] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o
FAILED: tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm_build0/bin/clang++ -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/tools/llvm-reduce -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/tools/llvm-reduce -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/build_default/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o -MF tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o.d -o tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceOperandsToArgs.cpp.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp
/home/buildbots/llvm-external-buildbots/workers/ppc64le-sanitizer/sanitizer-ppc64le/build/llvm-project/llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp:111:15: error: variable 'FPOp' set but not used [-Werror,-Wunused-but-set-variable]
  111 |     if (auto *FPOp = dyn_cast<FPMathOperator>(NewCI))
      |               ^
1 error generated.
[3814/4170] Building CXX object lib/MC/MCParser/CMakeFiles/LLVMMCParser.dir/AsmParser.cpp.o
ninja: build stopped: subcommand failed.

How to reproduce locally: https://github.com/google/sanitizers/wiki/SanitizerBotReproduceBuild

```

</details>

https://github.com/llvm/llvm-project/pull/133466