diff --git a/inc/AST/Type.h b/inc/AST/Type.h
index b897ee6..19039ca 100644
--- a/inc/AST/Type.h
+++ b/inc/AST/Type.h
@@ -3,14 +3,6 @@
 
 #include <string>
 
-class Type {
-public:
-	Type(std::string name);
-	~Type();
-
-	std::string getName();
-private:
-	std::string name_;
-};
+enum class Type { BOOL, INT, STRING, VOID };
 
 #endif // TYPE_H
diff --git a/src/AST/CodeGenVisitor.cpp b/src/AST/CodeGenVisitor.cpp
index 1570e51..f3fa082 100644
--- a/src/AST/CodeGenVisitor.cpp
+++ b/src/AST/CodeGenVisitor.cpp
@@ -59,6 +59,32 @@ void CodeGenVisitor::visit(ForStatement* e) {
 }
 
 void CodeGenVisitor::visit(FunctionCallExpression* e) {
+	llvm::Function* cf = module_->getFunction(e->getId());
+	if (!cf) {
+		// TODO error
+		return;
+	}
+
+	auto values = e->getValues()->getValues();
+	if (cf->arg_size() != values.size()) {
+		// TODO error
+		return;
+	}
+
+	std::vector<llvm::Value*> args;
+	auto iter = values.begin();
+	auto end = values.end();
+	for (; iter != end; ++iter) {
+		Expression *expr = (*iter);
+		expr->accept(this);
+		if (!value_) {
+			// TODO error
+		}
+		args.push_back(value_);
+	}
+
+	value_ = builder_->CreateCall(cf, args, "calltmp");
+	value_->dump();
 }
 
 void CodeGenVisitor::visit(FunctionDefinition* e) {
diff --git a/src/AST/PrintVisitor.cpp b/src/AST/PrintVisitor.cpp
index 38adeaa..ff8377a 100644
--- a/src/AST/PrintVisitor.cpp
+++ b/src/AST/PrintVisitor.cpp
@@ -80,7 +80,7 @@ void PrintVisitor::visit(FunctionDefinition* e) {
 	println(ss.str());
 	ss.str("");
 	ss.clear();
-	ss << "Type: " << e->getType()->getName();
+	ss << "Type: " << e->getType();
 	println(ss.str());
 	ParameterList* params = e->getParams();
 	if (params) {
diff --git a/src/AST/Type.cpp b/src/AST/Type.cpp
index 6c48e28..ea5ff21 100644
--- a/src/AST/Type.cpp
+++ b/src/AST/Type.cpp
@@ -1,9 +1 @@
 #include "AST/Type.h"
-
-Type::Type(std::string name) : name_(name) {
-	//
-}
-
-std::string Type::getName() {
-	return name_;
-}