cmake LIBOMP_HAVE_BUILTIN_ATOMIC examples

Lewuathe/mlir-hello thirdparty/llvm-project/openmp/runtime/test/CMakeLists.txt :11 

check_function_exists(__atomic_load_1 LIBOMP_HAVE_BUILTIN_ATOMIC)

llvm-mirror/openmp runtime/test/CMakeLists.txt :11 

check_function_exists(__atomic_load_1 LIBOMP_HAVE_BUILTIN_ATOMIC)

INET-RC/GeoMX 3rdparty/openmp/runtime/test/CMakeLists.txt :19 

check_function_exists(__atomic_load_1 LIBOMP_HAVE_BUILTIN_ATOMIC)