[flang-commits] [flang] [flang][acc] Add infrastructure and tests for ACCImplicitData (PR #166797)

Thu Nov 6 23:09:51 PST 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `flang-aarch64-latest-gcc` running on `linaro-flang-aarch64-latest-gcc` while building `flang` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/130/builds/16061

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
2904.374 [624/17/7153] Creating library symlink lib/libFIRAnalysis.so
2905.288 [622/18/7154] Linking CXX shared library lib/libFIROpenACCSupport.so.22.0git
2906.855 [622/17/7155] Linking CXX shared library lib/libFlangOpenMPTransforms.so.22.0git
2906.945 [620/18/7156] Creating library symlink lib/libFlangOpenMPTransforms.so
2906.953 [619/18/7157] Creating library symlink lib/libFIROpenACCSupport.so
2907.404 [618/18/7158] Linking CXX shared library lib/libFIROpenACCAnalysis.so.22.0git
2907.537 [618/17/7159] Linking CXX shared library lib/libFIROpenMPSupport.so.22.0git
2907.605 [616/18/7160] Creating library symlink lib/libFIROpenACCAnalysis.so
2907.645 [615/18/7161] Creating library symlink lib/libFIROpenMPSupport.so
2908.451 [615/17/7162] Linking CXX shared library lib/libFIROpenACCTransforms.so.22.0git
FAILED: lib/libFIROpenACCTransforms.so.22.0git 
: && /usr/local/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-dangling-reference -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 -Wno-deprecated-copy -Wno-ctad-maybe-unsupported -fno-semantic-interposition -fpch-preprocess -O3 -DNDEBUG -fno-semantic-interposition  -Wl,-z,defs -Wl,-z,nodelete   -Wl,-rpath-link,/home/tcwg-buildbot/worker/flang-aarch64-latest-gcc/build/./lib  -Wl,--gc-sections -shared -Wl,-soname,libFIROpenACCTransforms.so.22.0git -o lib/libFIROpenACCTransforms.so.22.0git tools/flang/lib/Optimizer/OpenACC/Transforms/CMakeFiles/FIROpenACCTransforms.dir/ACCInitializeFIRAnalyses.cpp.o tools/flang/lib/Optimizer/OpenACC/Transforms/CMakeFiles/FIROpenACCTransforms.dir/ACCRecipeBufferization.cpp.o  -Wl,-rpath,"\$ORIGIN/../lib:/home/tcwg-buildbot/worker/flang-aarch64-latest-gcc/build/lib:"  lib/libFIROpenACCAnalysis.so.22.0git  lib/libHLFIRDialect.so.22.0git  lib/libFIRDialect.so.22.0git  lib/libMLIROpenACCDialect.so.22.0git  lib/libMLIRMemRefDialect.so.22.0git  lib/libMLIRArithUtils.so.22.0git  lib/libMLIRComplexDialect.so.22.0git  lib/libMLIRDialectUtils.so.22.0git  lib/libMLIRArithDialect.so.22.0git  lib/libMLIRInferIntRangeCommon.so.22.0git  lib/libMLIRShapedOpInterfaces.so.22.0git  lib/libMLIRCastInterfaces.so.22.0git  lib/libMLIRDialect.so.22.0git  lib/libMLIRUBDialect.so.22.0git  lib/libMLIRLLVMDialect.so.22.0git  lib/libMLIRPtrMemorySpaceInterfaces.so.22.0git  lib/libMLIROpenACCMPCommon.so.22.0git  lib/libMLIRMemorySlotInterfaces.so.22.0git  lib/libMLIRMemOpInterfaces.so.22.0git  lib/libMLIRValueBoundsOpInterface.so.22.0git  lib/libMLIRDestinationStyleOpInterface.so.22.0git  lib/libMLIRPass.so.22.0git  lib/libMLIRAnalysis.so.22.0git  lib/libMLIRControlFlowInterfaces.so.22.0git  lib/libMLIRDataLayoutInterfaces.so.22.0git  lib/libMLIRInferStridedMetadataInterface.so.22.0git  lib/libMLIRInferIntRangeInterface.so.22.0git  lib/libMLIRLoopLikeInterface.so.22.0git  lib/libMLIRPresburger.so.22.0git  lib/libMLIRViewLikeInterface.so.22.0git  lib/libMLIRFunctionInterfaces.so.22.0git  lib/libMLIRCallInterfaces.so.22.0git  lib/libMLIRInferTypeOpInterface.so.22.0git  lib/libMLIRSideEffectInterfaces.so.22.0git  lib/libMLIRIR.so.22.0git  lib/libMLIRSupport.so.22.0git  lib/libLLVMCore.so.22.0git  lib/libLLVMBinaryFormat.so.22.0git  lib/libLLVMSupport.so.22.0git  -Wl,-rpath-link,/home/tcwg-buildbot/worker/flang-aarch64-latest-gcc/build/lib && :
/usr/bin/ld: tools/flang/lib/Optimizer/OpenACC/Transforms/CMakeFiles/FIROpenACCTransforms.dir/ACCInitializeFIRAnalyses.cpp.o: in function `mlir::detail::AliasAnalysisTraits::Model<fir::AliasAnalysis>::getModRef(mlir::Operation*, mlir::Value)':
ACCInitializeFIRAnalyses.cpp:(.text._ZN4mlir6detail19AliasAnalysisTraits5ModelIN3fir13AliasAnalysisEE9getModRefEPNS_9OperationENS_5ValueE[_ZN4mlir6detail19AliasAnalysisTraits5ModelIN3fir13AliasAnalysisEE9getModRefEPNS_9OperationENS_5ValueE]+0x4): undefined reference to `fir::AliasAnalysis::getModRef(mlir::Operation*, mlir::Value)'
/usr/bin/ld: tools/flang/lib/Optimizer/OpenACC/Transforms/CMakeFiles/FIROpenACCTransforms.dir/ACCInitializeFIRAnalyses.cpp.o: in function `mlir::detail::AliasAnalysisTraits::Model<fir::AliasAnalysis>::alias(mlir::Value, mlir::Value)':
ACCInitializeFIRAnalyses.cpp:(.text._ZN4mlir6detail19AliasAnalysisTraits5ModelIN3fir13AliasAnalysisEE5aliasENS_5ValueES6_[_ZN4mlir6detail19AliasAnalysisTraits5ModelIN3fir13AliasAnalysisEE5aliasENS_5ValueES6_]+0x4): undefined reference to `fir::AliasAnalysis::alias(mlir::Value, mlir::Value)'
collect2: error: ld returned 1 exit status
2909.297 [615/16/7163] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFComputeSharedMemoryOffsetsAndSize.cpp.o
2913.173 [615/15/7164] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/FIRToSCF.cpp.o
2913.206 [615/14/7165] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/ExternalNameConversion.cpp.o
2914.151 [615/13/7166] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/MemoryAllocation.cpp.o
2915.128 [615/12/7167] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFOpConversion.cpp.o
2915.570 [615/11/7168] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFDeviceGlobal.cpp.o
2915.571 [615/10/7169] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/SimplifyRegionLite.cpp.o
2915.978 [615/9/7170] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/MemRefDataFlowOpt.cpp.o
2917.034 [615/8/7171] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/AlgebraicSimplification.cpp.o
2917.179 [615/7/7172] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/ArrayValueCopy.cpp.o
2917.408 [615/6/7173] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/CUFGPUToLLVMConversion.cpp.o
2921.174 [615/5/7174] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/StackArrays.cpp.o
2924.015 [615/4/7175] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/LoopVersioning.cpp.o
2924.028 [615/3/7176] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/SimplifyIntrinsics.cpp.o
2925.517 [615/2/7177] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/AddDebugInfo.cpp.o
2947.086 [615/1/7178] Building CXX object tools/flang/lib/Optimizer/Transforms/CMakeFiles/FIRTransforms.dir/PolymorphicOpConversion.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/166797