[llvm] [Analysis] Ensure use of strict fp exceptions in ConstantFolding (PR #136139)

Mon Apr 28 02:16:32 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `ml-opt-devrel-x86-64` running on `ml-opt-devrel-x86-64-b1` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/175/builds/17598

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
44.600 [1613/64/2184] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/GlobalsModRef.cpp.o
44.601 [1612/64/2185] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/GuardUtils.cpp.o
44.601 [1611/64/2186] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/HeatUtils.cpp.o
44.613 [1610/64/2187] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IRSimilarityIdentifier.cpp.o
44.614 [1609/64/2188] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IVDescriptors.cpp.o
44.615 [1608/64/2189] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IVUsers.cpp.o
44.616 [1607/64/2190] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ImportedFunctionsInliningStatistics.cpp.o
44.616 [1606/64/2191] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineAdvisor.cpp.o
44.617 [1605/64/2192] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineOrder.cpp.o
44.618 [1604/64/2193] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o
FAILED: lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o 
ccache /usr/bin/c++ -DCPUINFO_SUPPORTED_PLATFORM=1 -DGTEST_HAS_RTTI=0 -DHAS_LOGF128 -DLLVM_HAVE_TF_AOT_INLINERSIZEMODEL -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/b/ml-opt-devrel-x86-64-b1/build/lib/Analysis -I/b/ml-opt-devrel-x86-64-b1/llvm-project/llvm/lib/Analysis -I/var/lib/buildbot/.local/lib/python3.7/site-packages/tensorflow/include -I/b/ml-opt-devrel-x86-64-b1/build/include -I/b/ml-opt-devrel-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 -ffp-exception-behavior=strict -MD -MT lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o -MF lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o.d -o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o -c /b/ml-opt-devrel-x86-64-b1/llvm-project/llvm/lib/Analysis/ConstantFolding.cpp
c++: error: unrecognized command-line option ‘-ffp-exception-behavior=strict’
44.618 [1604/63/2194] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IndirectCallPromotionAnalysis.cpp.o
44.618 [1604/62/2195] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineCost.cpp.o
44.619 [1604/61/2196] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineSizeEstimatorAnalysis.cpp.o
44.619 [1604/60/2197] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InstCount.cpp.o
44.620 [1604/59/2198] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InstructionPrecedenceTracking.cpp.o
44.620 [1604/58/2199] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InstructionSimplify.cpp.o
44.620 [1604/57/2200] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InteractiveModelRunner.cpp.o
44.621 [1604/56/2201] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/KernelInfo.cpp.o
44.621 [1604/55/2202] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LastRunTrackingAnalysis.cpp.o
44.621 [1604/54/2203] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LazyBranchProbabilityInfo.cpp.o
44.622 [1604/53/2204] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LazyBlockFrequencyInfo.cpp.o
44.622 [1604/52/2205] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LazyCallGraph.cpp.o
44.623 [1604/51/2206] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LazyValueInfo.cpp.o
44.623 [1604/50/2207] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/Lint.cpp.o
44.623 [1604/49/2208] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/Loads.cpp.o
44.624 [1604/48/2209] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/Local.cpp.o
44.624 [1604/47/2210] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LoopAccessAnalysis.cpp.o
44.625 [1604/46/2211] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LoopAnalysisManager.cpp.o
44.625 [1604/45/2212] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LoopCacheAnalysis.cpp.o
44.625 [1604/44/2213] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LoopNestAnalysis.cpp.o
44.626 [1604/43/2214] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LoopUnrollAnalyzer.cpp.o
44.626 [1604/42/2215] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LoopInfo.cpp.o
44.626 [1604/41/2216] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/LoopPass.cpp.o
44.627 [1604/40/2217] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MemDerefPrinter.cpp.o
44.627 [1604/39/2218] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MemoryBuiltins.cpp.o
44.627 [1604/38/2219] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MemoryDependenceAnalysis.cpp.o
44.628 [1604/37/2220] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MemoryLocation.cpp.o
44.628 [1604/36/2221] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MemoryProfileInfo.cpp.o
44.629 [1604/35/2222] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MemorySSA.cpp.o
44.629 [1604/34/2223] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MemorySSAUpdater.cpp.o
44.629 [1604/33/2224] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ModelUnderTrainingRunner.cpp.o
44.630 [1604/32/2225] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ModuleDebugInfoPrinter.cpp.o
44.630 [1604/31/2226] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ModuleSummaryAnalysis.cpp.o
44.631 [1604/30/2227] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/MustExecute.cpp.o
44.631 [1604/29/2228] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/NoInferenceModelRunner.cpp.o
44.631 [1604/28/2229] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ObjCARCAnalysisUtils.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/136139