Method codegen

libchigraph/src/GraphModule.cpp:340–383

	}

	Result codegen(size_t execInputID, const llvm::DebugLoc& nodeLocation,
	               const std::vector<llvm::Value*>& io, llvm::BasicBlock* codegenInto,
	               const std::vector<llvm::BasicBlock*>& outputBlocks,
	               std::unordered_map<std::string, std::shared_ptr<void>>& compileCache) override {
		Result res = {};

		llvm::IRBuilder<> builder(codegenInto);
		builder.SetCurrentDebugLocation(nodeLocation);

		auto func = codegenInto
		                ->
#if LLVM_VERSION_LESS_EQUAL(3, 6)
		            getParent()
		                ->getParent()
#else
		            getModule()
#endif
		                ->getFunction(mangleFunctionName(module().fullName(), name()));

		if (func == nullptr) {
			res.addEntry("EINT", "Could not find function in llvm module",
			             {{"Requested Function", name()}});
			return res;
		}

		// add the execInputID to the argument list
		std::vector<llvm::Value*> passingIO;
		passingIO.push_back(builder.getInt32(execInputID));

		std::copy(io.begin(), io.end(), std::back_inserter(passingIO));

		auto ret = builder.CreateCall(func, passingIO, "call_function");

		// create switch on return
		auto switchInst = builder.CreateSwitch(ret, outputBlocks[0]);  // TODO: better default

		auto id = 0ull;
		for (auto out : outputBlocks) {
			switchInst->addCase(builder.getInt32(id), out);
			++id;
		}

		return res;
	}

	nlohmann::json            toJSON() const override { return {}; }
	std::unique_ptr<NodeType> clone() const override {