disable effects

vyperlang · Oct 1, 2024 · 62616cd · 62616cd
1 parent bdc1b4d
commit 62616cd
Showing 1 changed file with 3 additions and 4 deletions.
diff --git a/vyper/venom/passes/dft.py b/vyper/venom/passes/dft.py
@@ -100,11 +100,10 @@ def _calculate_dependency_graphs(self, bb: IRBasicBlock) -> None:
             for use in uses:
                 self.ida[use].append(inst)
 
-            if inst.is_volatile:
+            if inst.is_volatile or not uses:
                 #if terminator_inst.opcode in ["exit", "ret", "stop", "return", "jmp"]:
-                self.ida[inst].append(last_volatile)
-
-            if inst.is_volatile:
+                if last_volatile:
+                    self.ida[inst].append(last_volatile)
                 last_volatile = inst
 
             # read_effects = inst.get_read_effects()