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

Sat Mar 29 07:08:49 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ml-opt-dev-x86-64` running on `ml-opt-dev-x86-64-b2` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/137/builds/16057

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
744.376 [39/37/3747] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86PartialReduction.cpp.o
744.554 [39/36/3748] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86FlagsCopyLowering.cpp.o
744.612 [39/35/3749] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86VZeroUpper.cpp.o
744.696 [39/34/3750] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86PreTileConfig.cpp.o
745.119 [39/33/3751] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86DiscriminateMemOps.cpp.o
745.182 [39/32/3752] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86WinFixupBufferSecurityCheck.cpp.o
745.500 [39/31/3753] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86ExpandPseudo.cpp.o
745.872 [39/30/3754] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86Subtarget.cpp.o
746.453 [39/29/3755] Building CXX object tools/bugpoint/CMakeFiles/bugpoint.dir/bugpoint.cpp.o
746.753 [39/28/3756] 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 /usr/bin/c++ -DCPUINFO_SUPPORTED_PLATFORM=1 -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/b/ml-opt-dev-x86-64-b1/build/tools/llvm-reduce -I/b/ml-opt-dev-x86-64-b1/llvm-project/llvm/tools/llvm-reduce -I/b/ml-opt-dev-x86-64-b1/build/include -I/b/ml-opt-dev-x86-64-b1/llvm-project/llvm/include -isystem /tmp/tflitebuild/tensorflow/include -isystem /tmp/tflitebuild/eigen/include/eigen3 -isystem /tmp/tflitebuild/abseil-cpp/include -isystem /tmp/tflitebuild/flatbuffers/include -isystem /tmp/tflitebuild/gemmlowp/include/gemmlowp -isystem /tmp/tflitebuild/ml_dtypes/src/ml_dtypes -isystem /tmp/tflitebuild/ml_dtypes/src/ml_dtypes/ml_dtypes -isystem /tmp/tflitebuild/ruy/include -isystem /tmp/tflitebuild/cpuinfo/include -isystem /tmp/tflitebuild/ARM_NEON_2_x86_SSE/include -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-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -DEIGEN_NEON_GEBP_NR=4 -DTFL_STATIC_LIBRARY_BUILD -std=c++17 -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 /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp
/b/ml-opt-dev-x86-64-b1/llvm-project/llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp: In function ‘void replaceFunctionCalls(llvm::Function*, llvm::Function*)’:
/b/ml-opt-dev-x86-64-b1/llvm-project/llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp:112:52: error: ‘void llvm::FPMathOperator::setFastMathFlags(llvm::FastMathFlags)’ is private within this context
  112 |       FPOp->setFastMathFlags(CI->getFastMathFlags());
      |                                                    ^
In file included from /b/ml-opt-dev-x86-64-b1/llvm-project/llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp:17:
/b/ml-opt-dev-x86-64-b1/llvm-project/llvm/include/llvm/IR/Operator.h:264:8: note: declared private here
  264 |   void setFastMathFlags(FastMathFlags FMF) {
      |        ^~~~~~~~~~~~~~~~
747.221 [39/27/3757] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86LoadValueInjectionLoadHardening.cpp.o
747.344 [39/26/3758] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86InsertWait.cpp.o
747.367 [39/25/3759] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86InsertPrefetch.cpp.o
747.623 [39/24/3760] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86SpeculativeLoadHardening.cpp.o
747.648 [39/23/3761] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86RegisterInfo.cpp.o
749.941 [39/22/3762] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86MCInstLower.cpp.o
750.370 [39/21/3763] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceInstructionsMIR.cpp.o
750.433 [39/20/3764] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/GISel/X86CallLowering.cpp.o
750.558 [39/19/3765] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/deltas/ReduceRegisterDefs.cpp.o
751.367 [39/18/3766] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/GISel/X86RegisterBankInfo.cpp.o
751.394 [39/17/3767] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86InstCombineIntrinsic.cpp.o
751.990 [39/16/3768] Building CXX object tools/llc/CMakeFiles/llc.dir/llc.cpp.o
752.239 [39/15/3769] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86ISelLoweringCall.cpp.o
752.268 [39/14/3770] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86FrameLowering.cpp.o
752.788 [39/13/3771] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/GISel/X86LegalizerInfo.cpp.o
755.568 [39/12/3772] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86TargetMachine.cpp.o
755.800 [39/11/3773] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86CodeGenPassBuilder.cpp.o
756.076 [39/10/3774] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/GISel/X86InstructionSelector.cpp.o
756.287 [39/9/3775] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86InstrInfo.cpp.o
756.820 [39/8/3776] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86TargetTransformInfo.cpp.o
757.622 [39/7/3777] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86FastISel.cpp.o
757.855 [39/6/3778] Building CXX object tools/opt/CMakeFiles/LLVMOptDriver.dir/optdriver.cpp.o
759.052 [39/5/3779] Building CXX object tools/llvm-exegesis/lib/X86/CMakeFiles/LLVMExegesisX86.dir/Target.cpp.o
759.910 [39/4/3780] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86ISelDAGToDAG.cpp.o
759.996 [39/3/3781] Building CXX object tools/llvm-reduce/CMakeFiles/llvm-reduce.dir/ReducerWorkItem.cpp.o
796.917 [39/2/3782] Building CXX object lib/Passes/CMakeFiles/LLVMPasses.dir/PassBuilder.cpp.o
808.034 [39/1/3783] Building CXX object lib/Target/X86/CMakeFiles/LLVMX86CodeGen.dir/X86ISelLowering.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

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