[MLIR][TblGen] add AttrOrTypeCAPIGen

[makslevental]

No description provided.

[github-actions]

🐧 Linux x64 Test Results

The build failed before running any tests. Click on a failure below to see the details.

tools/mlir/tools/mlir-tblgen/CMakeFiles/mlir-tblgen.dir/AttrOrTypeCAPIGen.cpp.o

FAILED: tools/mlir/tools/mlir-tblgen/CMakeFiles/mlir-tblgen.dir/AttrOrTypeCAPIGen.cpp.o
sccache /opt/llvm/bin/clang++ -DGTEST_HAS_RTTI=0 -DLLVM_BUILD_STATIC -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/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/mlir/tools/mlir-tblgen -I/home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/tools/mlir-tblgen -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/tools/mlir/include -I/home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/include -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/include -I/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include -gmlt -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -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  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/mlir/tools/mlir-tblgen/CMakeFiles/mlir-tblgen.dir/AttrOrTypeCAPIGen.cpp.o -MF tools/mlir/tools/mlir-tblgen/CMakeFiles/mlir-tblgen.dir/AttrOrTypeCAPIGen.cpp.o.d -o tools/mlir/tools/mlir-tblgen/CMakeFiles/mlir-tblgen.dir/AttrOrTypeCAPIGen.cpp.o -c /home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/tools/mlir-tblgen/AttrOrTypeCAPIGen.cpp
/home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/tools/mlir-tblgen/AttrOrTypeCAPIGen.cpp:39:75: error: non-void function does not return a value [-Werror,-Wreturn-type]
39 | static bool emitCAPIHeader(const RecordKeeper &records, raw_ostream &os) {}
|                                                                           ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/mlir/tools/mlir-tblgen/AttrOrTypeCAPIGen.cpp:41:73: error: non-void function does not return a value [-Werror,-Wreturn-type]
41 | static bool emitCAPIImpl(const RecordKeeper &records, raw_ostream &os) {}
|                                                                         ^
2 errors generated.

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the infrastructure label.