diff --git a/vyper/compiler/__init__.py b/vyper/compiler/__init__.py
index 0f7d7a8014..30354707f9 100644
--- a/vyper/compiler/__init__.py
+++ b/vyper/compiler/__init__.py
@@ -23,6 +23,8 @@
     # requires ir_node
     "external_interface": output.build_external_interface_output,
     "interface": output.build_interface_output,
+    "bb": output.build_bb_output,
+    "bb_runtime": output.build_bb_runtime_output,
     "ir": output.build_ir_output,
     "ir_runtime": output.build_ir_runtime_output,
     "ir_dict": output.build_ir_dict_output,
diff --git a/vyper/compiler/output.py b/vyper/compiler/output.py
index 8ccf6abee1..b4f22ba843 100644
--- a/vyper/compiler/output.py
+++ b/vyper/compiler/output.py
@@ -84,6 +84,16 @@ def build_interface_output(compiler_data: CompilerData) -> str:
     return out
 
 
+def build_bb_output(compiler_data: CompilerData) -> IRnode:
+    compiler_data.experimental_codegen = True
+    return compiler_data.ir_nodes
+
+
+def build_bb_runtime_output(compiler_data: CompilerData) -> IRnode:
+    compiler_data.experimental_codegen = True
+    return compiler_data.ir_runtime
+
+
 def build_ir_output(compiler_data: CompilerData) -> IRnode:
     if compiler_data.show_gas_estimates:
         IRnode.repr_show_gas = True