[llvm] [NFC] LLVM reduce: remove unused variable (PR #133584)

Sat Mar 29 07:51:43 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ppc64le-flang-rhel-clang` running on `ppc64le-flang-rhel-test` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/157/builds/23880

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
26.096 [685/66/6049] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPIIRDL.dir/IRDL.cpp.o
26.097 [685/65/6050] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPILinalg.dir/Linalg.cpp.o
26.098 [685/64/6051] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPIMLProgram.dir/MLProgram.cpp.o
26.098 [685/63/6052] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPINVGPU.dir/NVGPU.cpp.o
26.099 [685/62/6053] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPISCF.dir/SCF.cpp.o
26.100 [685/61/6054] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPIShape.dir/Shape.cpp.o
26.101 [685/60/6055] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPISparseTensor.dir/SparseTensor.cpp.o
26.101 [685/59/6056] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPISparseTensor.dir/SparseTensorPasses.cpp.o
26.103 [685/58/6057] Building CXX object lib/Object/CMakeFiles/LLVMObject.dir/IRSymtab.cpp.o
26.103 [685/57/6058] 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 /home/buildbots/llvm-external-buildbots/clang.19.1.7/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-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/tools/llvm-reduce -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/tools/llvm-reduce -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/build/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -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-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp:112:13: error: 'setFastMathFlags' is a private member of 'llvm::FPMathOperator'
  112 |       FPOp->setFastMathFlags(CI->getFastMathFlags());
      |             ^
/home/buildbots/llvm-external-buildbots/workers/ppc64le-flang-rhel-test/ppc64le-flang-rhel-clang-build/llvm-project/llvm/include/llvm/IR/Operator.h:264:8: note: declared private here
  264 |   void setFastMathFlags(FastMathFlags FMF) {
      |        ^
1 error generated.
26.104 [685/56/6059] Building CXX object tools/flang/tools/flang-driver/CMakeFiles/flang.dir/driver.cpp.o
26.105 [685/55/6060] Building CXX object tools/mlir/test/lib/Pass/CMakeFiles/MLIRTestPass.dir/TestVulkanRunnerPipeline.cpp.o
26.106 [685/54/6061] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPILLVM.dir/LLVM.cpp.o
26.107 [685/53/6062] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPILinalg.dir/LinalgPasses.cpp.o
26.108 [685/52/6063] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPINVVM.dir/NVVM.cpp.o
26.108 [685/51/6064] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPIROCDL.dir/ROCDL.cpp.o
26.109 [685/50/6065] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPIFunc.dir/Func.cpp.o
26.110 [685/49/6066] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPISPIRV.dir/SPIRV.cpp.o
26.111 [685/48/6067] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPITensor.dir/Tensor.cpp.o
26.111 [685/47/6068] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPITransformDialect.dir/Transform.cpp.o
26.112 [685/46/6069] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPITransformDialectTransforms.dir/TransformInterpreter.cpp.o
26.113 [685/45/6070] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPIQuant.dir/Quant.cpp.o
26.114 [685/44/6071] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPIOpenMP.dir/OpenMP.cpp.o
26.114 [685/43/6072] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPIPDL.dir/PDL.cpp.o
26.115 [685/42/6073] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPIVector.dir/Vector.cpp.o
26.116 [685/41/6074] Building CXX object tools/mlir/lib/CAPI/Conversion/CMakeFiles/obj.MLIRCAPIConversion.dir/Passes.cpp.o
26.118 [685/40/6075] Building CXX object tools/mlir/lib/CAPI/RegisterEverything/CMakeFiles/obj.MLIRCAPIRegisterEverything.dir/RegisterEverything.cpp.o
26.119 [685/39/6076] Building CXX object tools/mlir/lib/CAPI/Target/CMakeFiles/obj.MLIRCAPITarget.dir/LLVMIR.cpp.o
26.120 [685/38/6077] Building CXX object tools/mlir/lib/CAPI/ExecutionEngine/CMakeFiles/obj.MLIRCAPIExecutionEngine.dir/ExecutionEngine.cpp.o
26.121 [685/37/6078] Building CXX object tools/mlir/tools/mlir-pdll-lsp-server/CMakeFiles/mlir-pdll-lsp-server.dir/mlir-pdll-lsp-server.cpp.o
26.123 [685/36/6079] Building CXX object tools/mlir/tools/mlir-query/CMakeFiles/mlir-query.dir/mlir-query.cpp.o
26.125 [685/35/6080] Building CXX object tools/mlir/tools/mlir-reduce/CMakeFiles/mlir-reduce.dir/mlir-reduce.cpp.o
26.126 [685/34/6081] Building CXX object tools/mlir/tools/mlir-rewrite/CMakeFiles/mlir-rewrite.dir/mlir-rewrite.cpp.o
26.127 [685/33/6082] Building CXX object tools/mlir/tools/mlir-translate/CMakeFiles/mlir-translate.dir/mlir-translate.cpp.o
26.127 [685/32/6083] Building CXX object tools/mlir/tools/tblgen-to-irdl/CMakeFiles/tblgen-to-irdl.dir/tblgen-to-irdl.cpp.o
26.128 [685/31/6084] Building CXX object tools/mlir/tools/tblgen-to-irdl/CMakeFiles/tblgen-to-irdl.dir/OpDefinitionsGen.cpp.o
26.129 [685/30/6085] Building CXX object tools/mlir/tools/mlir-runner/CMakeFiles/mlir-runner.dir/mlir-runner.cpp.o
26.131 [685/29/6086] Building CXX object tools/mlir/examples/transform-opt/CMakeFiles/mlir-transform-opt.dir/mlir-transform-opt.cpp.o
26.132 [685/28/6087] Building CXX object tools/mlir/examples/minimal-opt/CMakeFiles/mlir-minimal-opt.dir/mlir-minimal-opt.cpp.o
26.133 [685/27/6088] Building CXX object tools/mlir/examples/minimal-opt/CMakeFiles/mlir-minimal-opt-canonicalize.dir/mlir-minimal-opt-canonicalize.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/133584