diff --git a/circuit_passes/src/passes/conditional_flattening.rs b/circuit_passes/src/passes/conditional_flattening.rs
index 63ea9b185..84e32ed5d 100644
--- a/circuit_passes/src/passes/conditional_flattening.rs
+++ b/circuit_passes/src/passes/conditional_flattening.rs
@@ -107,6 +107,10 @@ impl InterpreterObserver for ConditionalFlattening {
 }
 
 impl CircuitTransformationPass for ConditionalFlattening {
+    fn name(&self) -> &str {
+        "ConditionalFlattening"
+    }
+
     fn pre_hook_circuit(&self, circuit: &Circuit) {
         self.memory.borrow_mut().fill_from_circuit(circuit);
     }
diff --git a/circuit_passes/src/passes/deterministic_subcomponent_invocation.rs b/circuit_passes/src/passes/deterministic_subcomponent_invocation.rs
index 949bbda55..cb6448fcb 100644
--- a/circuit_passes/src/passes/deterministic_subcomponent_invocation.rs
+++ b/circuit_passes/src/passes/deterministic_subcomponent_invocation.rs
@@ -125,6 +125,10 @@ impl InterpreterObserver for DeterministicSubCmpInvokePass {
 }
 
 impl CircuitTransformationPass for DeterministicSubCmpInvokePass {
+    fn name(&self) -> &str {
+        "DeterministicSubCmpInvokePass"
+    }
+
     fn pre_hook_circuit(&self, circuit: &Circuit) {
         self.memory.borrow_mut().fill_from_circuit(circuit);
     }
diff --git a/circuit_passes/src/passes/loop_unroll.rs b/circuit_passes/src/passes/loop_unroll.rs
index 318b64dbc..8aed5c73b 100644
--- a/circuit_passes/src/passes/loop_unroll.rs
+++ b/circuit_passes/src/passes/loop_unroll.rs
@@ -144,6 +144,10 @@ impl InterpreterObserver for LoopUnrollPass {
 }
 
 impl CircuitTransformationPass for LoopUnrollPass {
+    fn name(&self) -> &str {
+        "LoopUnrollPass"
+    }
+
     fn pre_hook_circuit(&self, circuit: &Circuit) {
         self.memory.borrow_mut().fill_from_circuit(circuit);
     }
diff --git a/circuit_passes/src/passes/mapped_to_indexed.rs b/circuit_passes/src/passes/mapped_to_indexed.rs
index 7712f2b3b..4a7df6b32 100644
--- a/circuit_passes/src/passes/mapped_to_indexed.rs
+++ b/circuit_passes/src/passes/mapped_to_indexed.rs
@@ -153,6 +153,10 @@ impl InterpreterObserver for MappedToIndexedPass {
 }
 
 impl CircuitTransformationPass for MappedToIndexedPass {
+    fn name(&self) -> &str {
+        "MappedToIndexedPass"
+    }
+
     fn get_updated_field_constants(&self) -> Vec<String> {
         self.memory.borrow().constant_fields.clone()
     }
diff --git a/circuit_passes/src/passes/mod.rs b/circuit_passes/src/passes/mod.rs
index 7aef0c06c..7f8db765d 100644
--- a/circuit_passes/src/passes/mod.rs
+++ b/circuit_passes/src/passes/mod.rs
@@ -28,6 +28,8 @@ macro_rules! pre_hook {
 }
 
 pub trait CircuitTransformationPass {
+    fn name(&self) -> &str;
+
     fn transform_circuit(&self, circuit: &Circuit) -> Circuit {
         self.pre_hook_circuit(&circuit);
         let templates = circuit.templates.iter().map(|t| self.transform_template(t)).collect();
@@ -430,6 +432,9 @@ impl PassManager {
     pub fn transform_circuit(&self, circuit: Circuit) -> Circuit {
         let mut transformed_circuit = circuit;
         for pass in self.passes.borrow().iter() {
+            if cfg!(debug_assertions) {
+                println!("Do {}...", pass.name());
+            }
             transformed_circuit = pass.transform_circuit(&transformed_circuit);
             assert_unique_ids_in_circuit(&transformed_circuit);
         }
diff --git a/circuit_passes/src/passes/simplification.rs b/circuit_passes/src/passes/simplification.rs
index 0f30d250b..4868231da 100644
--- a/circuit_passes/src/passes/simplification.rs
+++ b/circuit_passes/src/passes/simplification.rs
@@ -118,6 +118,10 @@ impl InterpreterObserver for SimplificationPass {
 }
 
 impl CircuitTransformationPass for SimplificationPass {
+    fn name(&self) -> &str {
+        "SimplificationPass"
+    }
+
     fn get_updated_field_constants(&self) -> Vec<String> {
         self.memory.borrow().constant_fields.clone()
     }
diff --git a/circuit_passes/src/passes/unknown_index_sanitization.rs b/circuit_passes/src/passes/unknown_index_sanitization.rs
index 31eb8a021..68d92da9d 100644
--- a/circuit_passes/src/passes/unknown_index_sanitization.rs
+++ b/circuit_passes/src/passes/unknown_index_sanitization.rs
@@ -249,6 +249,10 @@ impl InterpreterObserver for UnknownIndexSanitizationPass {
 }
 
 impl CircuitTransformationPass for UnknownIndexSanitizationPass {
+    fn name(&self) -> &str {
+        "UnknownIndexSanitizationPass"
+    }
+
     fn transform_load_bucket(&self, bucket: &LoadBucket) -> InstructionPointer {
         let bounded_fn_symbol = match self.load_replacements.borrow().get(bucket) {
             Some(index_range) => Some(get_array_load_symbol(index_range)),