revert change that slipped in from another branch

vyperlang · Sep 18, 2024 · cc50efe · cc50efe
1 parent f4c7ac5
commit cc50efe
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/vyper/venom/passes/simplify_cfg.py b/vyper/venom/passes/simplify_cfg.py
@@ -11,11 +11,11 @@ class SimplifyCFGPass(IRPass):
     def _merge_blocks(self, a: IRBasicBlock, b: IRBasicBlock):
         a.instructions.pop()
         for inst in b.instructions:
-            inst.parent = a
-
+            assert inst.opcode != "phi", "Not implemented yet"
             if inst.opcode == "phi":
                 a.instructions.insert(0, inst)
             else:
+                inst.parent = a
                 a.instructions.append(inst)
 
         # Update CFG