999   if (ConstantInt *CI2 = dyn_cast<ConstantInt>(C2)) {  in ConstantFoldBinaryInstruction()  local
1002       if (CI2->equalsInt(0)) return C1;                         // X + 0 == X  in ConstantFoldBinaryInstruction()
1005       if (CI2->equalsInt(0)) return C1;                         // X - 0 == X  in ConstantFoldBinaryInstruction()
1008       if (CI2->equalsInt(0)) return C2;                         // X * 0 == 0  in ConstantFoldBinaryInstruction()
1009       if (CI2->equalsInt(1))  in ConstantFoldBinaryInstruction()
1014       if (CI2->equalsInt(1))  in ConstantFoldBinaryInstruction()
1016       if (CI2->equalsInt(0))  in ConstantFoldBinaryInstruction()
1017         return UndefValue::get(CI2->getType());               // X / 0 == undef  in ConstantFoldBinaryInstruction()
1021       if (CI2->equalsInt(1))  in ConstantFoldBinaryInstruction()
1022         return Constant::getNullValue(CI2->getType());        // X % 1 == 0  in ConstantFoldBinaryInstruction()
1023       if (CI2->equalsInt(0))  in ConstantFoldBinaryInstruction()
1024         return UndefValue::get(CI2->getType());               // X % 0 == undef  in ConstantFoldBinaryInstruction()
1027       if (CI2->isZero()) return C2;                           // X & 0 == 0  in ConstantFoldBinaryInstruction()
1028       if (CI2->isAllOnesValue())  in ConstantFoldBinaryInstruction()
1034           unsigned DstWidth = CI2->getType()->getBitWidth();  in ConstantFoldBinaryInstruction()
1038           if ((PossiblySetBits & CI2->getValue()) == PossiblySetBits)  in ConstantFoldBinaryInstruction()
1053             unsigned DstWidth = CI2->getType()->getBitWidth();  in ConstantFoldBinaryInstruction()
1058             if ((CI2->getValue() & BitsNotSet) == CI2->getValue())  in ConstantFoldBinaryInstruction()
1059               return Constant::getNullValue(CI2->getType());  in ConstantFoldBinaryInstruction()
1065       if (CI2->equalsInt(0)) return C1;    // X | 0 == X  in ConstantFoldBinaryInstruction()
1066       if (CI2->isAllOnesValue())  in ConstantFoldBinaryInstruction()
1070       if (CI2->equalsInt(0)) return C1;    // X ^ 0 == X  in ConstantFoldBinaryInstruction()
1078           assert(CI2->equalsInt(1));  in ConstantFoldBinaryInstruction()
1101     if (ConstantInt *CI2 = dyn_cast<ConstantInt>(C2)) {  in ConstantFoldBinaryInstruction()  local
1103       const APInt &C2V = CI2->getValue();  in ConstantFoldBinaryInstruction()
1114         assert(!CI2->isNullValue() && "Div by zero handled above");  in ConstantFoldBinaryInstruction()
1117         assert(!CI2->isNullValue() && "Div by zero handled above");  in ConstantFoldBinaryInstruction()
1122         assert(!CI2->isNullValue() && "Div by zero handled above");  in ConstantFoldBinaryInstruction()
1125         assert(!CI2->isNullValue() && "Div by zero handled above");  in ConstantFoldBinaryInstruction()