-Loop:
- %B = phi int [%B, %L2], [%B, %Loop] ; PHI has same value always.
- br bool %b, label %L2, label %Loop
-L2:
+Loop: ; preds = %L2, %Loop
+ %B = phi i32 [ %B, %L2 ], [ %B, %Loop ] ;PHI has same value always.
+ br i1 %b, label %L2, label %Loop
+
+L2: ; preds = %Loop