[Mlir-commits] [mlir] [MLIR] add C-API bindings for complex dialect (PR #173228)

LLVM Continuous Integration llvmlistbot at llvm.org
Wed Dec 24 01:28:02 PST 2025


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In-Reply-To: <llvm.org/llvm/llvm-project/pull/173228 at github.com>


llvm-ci wrote:

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

Full details are available at: https://lab.llvm.org/buildbot/#/builders/80/builds/18980

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
99.814 [1057/15/6994] Linking CXX shared library lib/libMLIROpenACCDialect.so.22.0git
100.199 [1057/14/6995] Linking CXX shared library lib/libMLIRTransforms.so.22.0git
100.241 [1057/13/6996] Linking CXX shared library lib/libMLIRMemRefUtils.so.22.0git
100.271 [1057/12/6997] Linking CXX shared library lib/libMLIRTensorDialect.so.22.0git
100.318 [1057/11/6998] Linking CXX shared library lib/libMLIRMathToAPFloat.so.22.0git
100.319 [1057/10/6999] Linking CXX shared library lib/libMLIRMathToEmitC.so.22.0git
100.360 [1057/9/7000] Linking CXX shared library lib/libMLIRComplexToROCDLLibraryCalls.so.22.0git
100.564 [1057/8/7001] Linking CXX shared library lib/libMLIRReduce.so.22.0git
100.868 [1057/7/7002] Linking CXX shared library lib/libMLIRComplexToLibm.so.22.0git
101.609 [1057/6/7003] Building CXX object tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPIComplex.dir/Complex.cpp.o
FAILED: tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPIComplex.dir/Complex.cpp.o 
/usr/local/bin/c++ -DGTEST_HAS_RTTI=0 -DMLIR_CAPI_BUILDING_LIBRARY=1 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/tcwg-buildbot/worker/flang-aarch64-sharedlibs/build/tools/mlir/lib/CAPI/Dialect -I/home/tcwg-buildbot/worker/flang-aarch64-sharedlibs/llvm-project/mlir/lib/CAPI/Dialect -I/home/tcwg-buildbot/worker/flang-aarch64-sharedlibs/build/tools/mlir/include -I/home/tcwg-buildbot/worker/flang-aarch64-sharedlibs/llvm-project/mlir/include -I/home/tcwg-buildbot/worker/flang-aarch64-sharedlibs/build/include -I/home/tcwg-buildbot/worker/flang-aarch64-sharedlibs/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 -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -Wundef -Werror=mismatched-tags -O3 -DNDEBUG -std=c++17 -fvisibility=hidden  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPIComplex.dir/Complex.cpp.o -MF tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPIComplex.dir/Complex.cpp.o.d -o tools/mlir/lib/CAPI/Dialect/CMakeFiles/obj.MLIRCAPIComplex.dir/Complex.cpp.o -c /home/tcwg-buildbot/worker/flang-aarch64-sharedlibs/llvm-project/mlir/lib/CAPI/Dialect/Complex.cpp
../llvm-project/mlir/lib/CAPI/Dialect/Complex.cpp:15:45: error: no member named 'complex' in namespace 'mlir'
   15 |                                       mlir::complex::ComplexDialect)
      |                                       ~~~~~~^
../llvm-project/mlir/include/mlir/CAPI/Registration.h:39:30: note: expanded from macro 'MLIR_DEFINE_CAPI_DIALECT_REGISTRATION'
   39 |     unwrap(registry)->insert<ClassName>();                                     \
      |                              ^~~~~~~~~
../llvm-project/mlir/lib/CAPI/Dialect/Complex.cpp:15:45: error: no member named 'complex' in namespace 'mlir'
   15 |                                       mlir::complex::ComplexDialect)
      |                                       ~~~~~~^
../llvm-project/mlir/include/mlir/CAPI/Registration.h:42:51: note: expanded from macro 'MLIR_DEFINE_CAPI_DIALECT_REGISTRATION'
   42 |     return wrap(unwrap(context)->getOrLoadDialect<ClassName>());               \
      |                                                   ^~~~~~~~~
../llvm-project/mlir/lib/CAPI/Dialect/Complex.cpp:15:45: error: no member named 'complex' in namespace 'mlir'
   15 |                                       mlir::complex::ComplexDialect)
      |                                       ~~~~~~^
../llvm-project/mlir/include/mlir/CAPI/Registration.h:45:17: note: expanded from macro 'MLIR_DEFINE_CAPI_DIALECT_REGISTRATION'
   45 |     return wrap(ClassName::getDialectNamespace());                             \
      |                 ^~~~~~~~~
../llvm-project/mlir/lib/CAPI/Dialect/Complex.cpp:18:14: error: use of undeclared identifier 'ComplexAttr'
   18 |   return isa<ComplexAttr>(unwrap(attr));
      |              ^~~~~~~~~~~
../llvm-project/mlir/lib/CAPI/Dialect/Complex.cpp:24:7: error: use of undeclared identifier 'complex'
   24 |       complex::NumberAttr::get(cast<ComplexType>(unwrap(type)), real, imag));
      |       ^
../llvm-project/mlir/lib/CAPI/Dialect/Complex.cpp:24:37: error: unknown type name 'ComplexType'; did you mean 'mlir::ComplexType'?
   24 |       complex::NumberAttr::get(cast<ComplexType>(unwrap(type)), real, imag));
      |                                     ^~~~~~~~~~~
      |                                     mlir::ComplexType
tools/mlir/include/mlir/IR/BuiltinTypes.h.inc:733:7: note: 'mlir::ComplexType' declared here
  733 | class ComplexType : public ::mlir::Type::TypeBase<ComplexType, ::mlir::Type, detail::ComplexTypeStorage> {
      |       ^
../llvm-project/mlir/lib/CAPI/Dialect/Complex.cpp:24:32: warning: use of function template name with no prior declaration in function call with explicit template arguments is a C++20 extension [-Wc++20-extensions]
   24 |       complex::NumberAttr::get(cast<ComplexType>(unwrap(type)), real, imag));
      |                                ^
../llvm-project/mlir/lib/CAPI/Dialect/Complex.cpp:29:15: error: use of undeclared identifier 'complex'
   29 |   return wrap(complex::NumberAttr::getChecked(
      |               ^

```

</details>

https://github.com/llvm/llvm-project/pull/173228


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