188   Value *invert(Value *Condition);
311 Value *StructurizeCFG::invert(Value *Condition) {  in invert()  argument
313   if (Condition == BoolTrue)  in invert()
316   if (Condition == BoolFalse)  in invert()
319   if (Condition == BoolUndef)  in invert()
323   if (match(Condition, m_Not(m_Value(Condition))))  in invert()
324     return Condition;  in invert()
326   if (Instruction *Inst = dyn_cast<Instruction>(Condition)) {  in invert()
329     for (Value::use_iterator I = Condition->use_begin(),  in invert()
330            E = Condition->use_end(); I != E; ++I) {  in invert()
336       if (match(*I, m_Not(m_Specific(Condition))))  in invert()
341     return BinaryOperator::CreateNot(Condition, "", Parent->getTerminator());  in invert()
344   if (Argument *Arg = dyn_cast<Argument>(Condition)) {  in invert()
346     return BinaryOperator::CreateNot(Condition,  in invert()