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I'm having trouble figuring out how to export/import IR functions at the C++ API level. I think I've got the linking part figured out, but I need to get the functions exporting from one module into another. I see how I can iterate over the functions in one, but I'm not clear on how to expose this name/reference into the other module. Is there a simple example/tutorial of this

If I create a function in a module with: auto f = module->getOrInsertFunction( "eval_expr", ...) //create function Then later I link this with other modules: Linker link; link.LinkInModule( base_module ); link.LinkInModule( module ); Then I create an execution engine something like: auto ee = EngineBuilder( link.getModule() )...create(); If I attempt to run the function directly I get an error: ee->runFunction( f, args ); "LLVM ERROR: Program used external function 'eval_expr'...