diff --git a/src/main/java/codegen/analysis/liveness/LivenessAnalysis.java b/src/main/java/codegen/analysis/liveness/LivenessAnalysis.java
index 9f04ad0..025adb8 100644
--- a/src/main/java/codegen/analysis/liveness/LivenessAnalysis.java
+++ b/src/main/java/codegen/analysis/liveness/LivenessAnalysis.java
@@ -65,10 +65,12 @@ public final class LivenessAnalysis {
         return change;
     }
 
-    public void doLivenessAnalysis() {
+    public int doLivenessAnalysis() {
         final int registers = this.colorInterferenceGraph();
 
         System.out.println("\nRegisters: " + registers);
+
+        return registers;
     }
 
     private int colorInterferenceGraph() {