48                            ConstantInt *In1, ConstantInt *In2,  in HasAddOverflow()  argument
53   if (In2->isNegative())  in HasAddOverflow()
61                             Constant *In2, bool IsSigned = false) {  in AddWithOverflow()  argument
62   Result = ConstantExpr::getAdd(In1, In2);  in AddWithOverflow()
69                          ExtractElement(In2, Idx),  in AddWithOverflow()
77                         cast<ConstantInt>(In1), cast<ConstantInt>(In2),  in AddWithOverflow()
82                            ConstantInt *In1, ConstantInt *In2,  in HasSubOverflow()  argument
87   if (In2->isNegative())  in HasSubOverflow()
96                             Constant *In2, bool IsSigned = false) {  in SubWithOverflow()  argument
97   Result = ConstantExpr::getSub(In1, In2);  in SubWithOverflow()
104                          ExtractElement(In2, Idx),  in SubWithOverflow()
112                         cast<ConstantInt>(In1), cast<ConstantInt>(In2),  in SubWithOverflow()