1025 static bool canEvaluateZExtd(Value *V, Type *Ty, unsigned &BitsToClear,  in canEvaluateZExtd()  argument
1027   BitsToClear = 0;  in canEvaluateZExtd()
1046     if (!canEvaluateZExtd(I->getOperand(0), Ty, BitsToClear, IC, CxtI) ||  in canEvaluateZExtd()
1050     if (BitsToClear == 0 && Tmp == 0)  in canEvaluateZExtd()
1060                                APInt::getHighBitsSet(VSize, BitsToClear),  in canEvaluateZExtd()
1065           BitsToClear = 0;  in canEvaluateZExtd()
1078       if (!canEvaluateZExtd(I->getOperand(0), Ty, BitsToClear, IC, CxtI))  in canEvaluateZExtd()
1081       BitsToClear = ShiftAmt < BitsToClear ? BitsToClear - ShiftAmt : 0;  in canEvaluateZExtd()
1091       if (!canEvaluateZExtd(I->getOperand(0), Ty, BitsToClear, IC, CxtI))  in canEvaluateZExtd()
1093       BitsToClear += Amt->getZExtValue();  in canEvaluateZExtd()
1094       if (BitsToClear > V->getType()->getScalarSizeInBits())  in canEvaluateZExtd()
1095         BitsToClear = V->getType()->getScalarSizeInBits();  in canEvaluateZExtd()
1103         !canEvaluateZExtd(I->getOperand(2), Ty, BitsToClear, IC, CxtI) ||  in canEvaluateZExtd()
1106         Tmp != BitsToClear)  in canEvaluateZExtd()
1115     if (!canEvaluateZExtd(PN->getIncomingValue(0), Ty, BitsToClear, IC, CxtI))  in canEvaluateZExtd()
1121           Tmp != BitsToClear)  in canEvaluateZExtd()
1157   unsigned BitsToClear;  in visitZExt()  local
1159       canEvaluateZExtd(Src, DestTy, BitsToClear, *this, &Zext)) {  in visitZExt()
1160     assert(BitsToClear <= SrcTy->getScalarSizeInBits() &&  in visitZExt()
1176     uint32_t SrcBitsKept = SrcTy->getScalarSizeInBits() - BitsToClear;  in visitZExt()