201     Reduction reduction = PropagateDeadControl(node);  in ReduceNode()  local
202     if (reduction.Changed()) return reduction;  in ReduceNode()
216   Reduction reduction = PropagateDeadControl(node);  in ReducePhi()  local
217   if (reduction.Changed()) return reduction;  in ReducePhi()
236   Reduction reduction = PropagateDeadControl(node);  in ReduceEffectPhi()  local
237   if (reduction.Changed()) return reduction;  in ReduceEffectPhi()
256       reduction = Changed(node);  in ReduceEffectPhi()
259   return reduction;  in ReduceEffectPhi()
274   Reduction reduction = PropagateDeadControl(node);  in ReduceUnreachableOrIfException()  local
275   if (reduction.Changed()) return reduction;  in ReduceUnreachableOrIfException()
317   Reduction reduction = PropagateDeadControl(node);  in ReduceDeoptimizeOrReturnOrTerminateOrTailCall()  local
318   if (reduction.Changed()) return reduction;  in ReduceDeoptimizeOrReturnOrTerminateOrTailCall()
351   Reduction reduction = PropagateDeadControl(node);  in ReduceBranchOrSwitch()  local
352   if (reduction.Changed()) return reduction;  in ReduceBranchOrSwitch()