32     PrintString("  ");  in PrintPreInstruction()
34     PrintString(": ");  in PrintPreInstruction()
39     PrintString(instruction->DebugName());  in VisitInstruction()
46       PrintString("(");  in PrintPostInstruction()
52           PrintString(", ");  in PrintPostInstruction()
56       PrintString(")");  in PrintPostInstruction()
59       PrintString(" [");  in PrintPostInstruction()
65           PrintString(", ");  in PrintPostInstruction()
69       PrintString("]");  in PrintPostInstruction()
75     PrintString("BasicBlock ");  in VisitBasicBlock()
79       PrintString(", pred: ");  in VisitBasicBlock()
82         PrintString(", ");  in VisitBasicBlock()
88       PrintString(", succ: ");  in VisitBasicBlock()
91         PrintString(", ");  in VisitBasicBlock()
101   virtual void PrintString(const char* value) = 0;
116   void PrintString(const char* value) override {  in PrintString()  function
134     PrintString("  ");  in VisitGoto()
136     PrintString(": Goto ");  in VisitGoto()