diff --git a/test/libsolidity/semanticTests/userDefinedValueType/zero_cost_abstraction_comparison_elementary.sol b/test/libsolidity/semanticTests/userDefinedValueType/zero_cost_abstraction_comparison_elementary.sol
new file mode 100644
index 000000000..d7b9db30b
--- /dev/null
+++ b/test/libsolidity/semanticTests/userDefinedValueType/zero_cost_abstraction_comparison_elementary.sol
@@ -0,0 +1,37 @@
+// a test to compare the cost between using user defined value types and elementary type. See the
+// test zero_cost_abstraction_userdefined.sol for a comparison.
+
+pragma abicoder v2;
+
+contract C {
+    int x;
+    function setX(int _x) external {
+        x = _x;
+    }
+    function getX() view external returns (int) {
+        return x;
+    }
+    function add(int a, int b) view external returns (int) {
+        return a + b;
+    }
+}
+
+// ====
+// compileViaYul: also
+// ----
+// getX() -> 0
+// gas irOptimized: 23353
+// gas legacy: 23479
+// gas legacyOptimized: 23311
+// setX(int256): 5 ->
+// gas irOptimized: 43511
+// gas legacy: 43724
+// gas legacyOptimized: 43516
+// getX() -> 5
+// gas irOptimized: 23353
+// gas legacy: 23479
+// gas legacyOptimized: 23311
+// add(int256,int256): 200, 99 -> 299
+// gas irOptimized: 21794
+// gas legacy: 22394
+// gas legacyOptimized: 21813
diff --git a/test/libsolidity/semanticTests/userDefinedValueType/zero_cost_abstraction_comparison_userdefined.sol b/test/libsolidity/semanticTests/userDefinedValueType/zero_cost_abstraction_comparison_userdefined.sol
new file mode 100644
index 000000000..29038a861
--- /dev/null
+++ b/test/libsolidity/semanticTests/userDefinedValueType/zero_cost_abstraction_comparison_userdefined.sol
@@ -0,0 +1,38 @@
+// a test to compare the cost between using user defined value types and elementary type. See the
+// test zero_cost_abstraction_elementary.sol for comparison.
+
+pragma abicoder v2;
+
+type MyInt is int;
+contract C {
+    int x;
+    function setX(MyInt _x) external {
+        x = MyInt.unwrap(_x);
+    }
+    function getX() view external returns (MyInt) {
+        return MyInt.wrap(x);
+    }
+    function add(MyInt a, MyInt b) pure external returns(MyInt) {
+        return MyInt.wrap(MyInt.unwrap(a) + MyInt.unwrap(b));
+    }
+}
+
+// ====
+// compileViaYul: also
+// ----
+// getX() -> 0
+// gas irOptimized: 23353
+// gas legacy: 23608
+// gas legacyOptimized: 23311
+// setX(int256): 5 ->
+// gas irOptimized: 43511
+// gas legacy: 43724
+// gas legacyOptimized: 43516
+// getX() -> 5
+// gas irOptimized: 23353
+// gas legacy: 23608
+// gas legacyOptimized: 23311
+// add(int256,int256): 200, 99 -> 299
+// gas irOptimized: 21794
+// gas legacy: 22523
+// gas legacyOptimized: 21813