[flang-commits] [flang] [mlir] [MLIR][OpenMP] Add lowering support for AUTOMAP modifier (PR #151513)

Mon Aug 11 05:18:42 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `flang-aarch64-out-of-tree` running on `linaro-flang-aarch64-out-of-tree` while building `flang,mlir` at step 10 "build-flang-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/53/builds/18886

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

```
Step 10 (build-flang-unified-tree) failure: build (failure)
...
751.982 [19/26/101] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/IterationSpace.cpp.o
758.920 [19/25/102] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/Support/ReductionProcessor.cpp.o
759.612 [19/24/103] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/HlfirIntrinsics.cpp.o
767.525 [19/23/104] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/Mangler.cpp.o
783.590 [19/22/105] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/ConvertType.cpp.o
783.640 [19/21/106] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/VectorSubscripts.cpp.o
786.664 [19/20/107] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/ConvertProcedureDesignator.cpp.o
789.524 [19/19/108] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/CustomIntrinsicCall.cpp.o
791.063 [19/18/109] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/IO.cpp.o
794.177 [19/17/110] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/ClauseProcessor.cpp.o
FAILED: lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/ClauseProcessor.cpp.o 
/usr/local/bin/c++ -DFLANG_INCLUDE_TESTS=1 -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_flang/lib/Lower -I/home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/flang/lib/Lower -I/home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/flang/include -I/home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_flang/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/mlir/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_llvm/tools/mlir/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/llvm/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_llvm/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/clang/include -isystem /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_llvm/tools/clang/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 -Werror -Wno-deprecated-copy -Wno-string-conversion -Wno-ctad-maybe-unsupported -Wno-unused-command-line-argument -Wstring-conversion           -Wcovered-switch-default -Wno-nested-anon-types -Xclang -fno-pch-timestamp -O3 -DNDEBUG -std=c++17   -D_GNU_SOURCE -D_DEBUG -D_GLIBCXX_ASSERTIONS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -Winvalid-pch -Xclang -include-pch -Xclang /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_flang/lib/Lower/CMakeFiles/FortranLower.dir/cmake_pch.hxx.pch -Xclang -include -Xclang /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/build_flang/lib/Lower/CMakeFiles/FortranLower.dir/cmake_pch.hxx -MD -MT lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/ClauseProcessor.cpp.o -MF lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/ClauseProcessor.cpp.o.d -o lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/ClauseProcessor.cpp.o -c /home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/flang/lib/Lower/OpenMP/ClauseProcessor.cpp
/home/tcwg-buildbot/worker/flang-aarch64-out-of-tree/llvm-project/flang/lib/Lower/OpenMP/ClauseProcessor.cpp:1525:24: error: unused variable 'currentLocation' [-Werror,-Wunused-variable]
 1525 |         mlir::Location currentLocation = converter.genLocation(source);
      |                        ^~~~~~~~~~~~~~~
1 error generated.
794.788 [19/16/111] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/ConvertCall.cpp.o
796.679 [19/15/112] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/HostAssociations.cpp.o
798.551 [19/14/113] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/ConvertConstant.cpp.o
808.008 [19/13/114] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/ConvertArrayConstructor.cpp.o
820.698 [19/12/115] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Utils.cpp.o
826.801 [19/11/116] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/ConvertVariable.cpp.o
835.077 [19/10/117] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Atomic.cpp.o
844.180 [19/9/118] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/ConvertExprToHLFIR.cpp.o
872.504 [19/8/119] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Decomposer.cpp.o
886.831 [19/7/120] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/OpenMP.cpp.o
888.825 [19/6/121] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/OpenACC.cpp.o
901.492 [19/5/122] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/Clauses.cpp.o
915.553 [19/4/123] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/OpenMP/DataSharingProcessor.cpp.o
927.478 [19/3/124] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/PFTBuilder.cpp.o
970.339 [19/2/125] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/Support/Utils.cpp.o
1038.579 [19/1/126] Building CXX object lib/Lower/CMakeFiles/FortranLower.dir/ConvertExpr.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/151513