613   Zero = APInt::getNullValue(IntTyBits);  in compute()
673     return std::make_pair(align(Size, I.getAlignment()), Zero);  in visitAllocaInst()
684                                                  Zero);  in visitAllocaInst()
698   return std::make_pair(align(Size, A.getParamAlignment()), Zero);  in visitArgument()
723     return std::make_pair(Size, Zero);  in visitCallBase()
736     return std::make_pair(Size, Zero);  in visitCallBase()
748   return Overflow ? unknown() : std::make_pair(Size, Zero);  in visitCallBase()
770   return std::make_pair(Zero, Zero);  in visitConstantPointerNull()
804   return std::make_pair(align(Size, GV.getAlignment()), Zero);  in visitGlobalVariable()
851   return std::make_pair(Zero, Zero);  in visitUndefValue()
875   Zero = ConstantInt::get(IntTy, 0);  in compute()
964   assert(ArraySize->getType() == Zero->getType() &&  in visitAllocaInst()
970   return std::make_pair(Size, Zero);  in visitAllocaInst()
987     return std::make_pair(FirstArg, Zero);  in visitCallBase()
992   return std::make_pair(Size, Zero);  in visitCallBase()