1019   if (ConstantInt *CI2 = dyn_cast<ConstantInt>(C2)) {  in ConstantFoldBinaryInstruction()  local
1022       if (CI2->equalsInt(0)) return C1;                         // X + 0 == X  in ConstantFoldBinaryInstruction()
1025       if (CI2->equalsInt(0)) return C1;                         // X - 0 == X  in ConstantFoldBinaryInstruction()
1028       if (CI2->equalsInt(0)) return C2;                         // X * 0 == 0  in ConstantFoldBinaryInstruction()
1029       if (CI2->equalsInt(1))  in ConstantFoldBinaryInstruction()
1034       if (CI2->equalsInt(1))  in ConstantFoldBinaryInstruction()
1036       if (CI2->equalsInt(0))  in ConstantFoldBinaryInstruction()
1037         return UndefValue::get(CI2->getType());               // X / 0 == undef  in ConstantFoldBinaryInstruction()
1041       if (CI2->equalsInt(1))  in ConstantFoldBinaryInstruction()
1042         return Constant::getNullValue(CI2->getType());        // X % 1 == 0  in ConstantFoldBinaryInstruction()
1043       if (CI2->equalsInt(0))  in ConstantFoldBinaryInstruction()
1044         return UndefValue::get(CI2->getType());               // X % 0 == undef  in ConstantFoldBinaryInstruction()
1047       if (CI2->isZero()) return C2;                           // X & 0 == 0  in ConstantFoldBinaryInstruction()
1048       if (CI2->isAllOnesValue())  in ConstantFoldBinaryInstruction()
1054           unsigned DstWidth = CI2->getType()->getBitWidth();  in ConstantFoldBinaryInstruction()
1058           if ((PossiblySetBits & CI2->getValue()) == PossiblySetBits)  in ConstantFoldBinaryInstruction()
1073             unsigned DstWidth = CI2->getType()->getBitWidth();  in ConstantFoldBinaryInstruction()
1078             if ((CI2->getValue() & BitsNotSet) == CI2->getValue())  in ConstantFoldBinaryInstruction()
1079               return Constant::getNullValue(CI2->getType());  in ConstantFoldBinaryInstruction()
1085       if (CI2->equalsInt(0)) return C1;    // X | 0 == X  in ConstantFoldBinaryInstruction()
1086       if (CI2->isAllOnesValue())  in ConstantFoldBinaryInstruction()
1090       if (CI2->equalsInt(0)) return C1;    // X ^ 0 == X  in ConstantFoldBinaryInstruction()
1098           assert(CI2->equalsInt(1));  in ConstantFoldBinaryInstruction()
1120     if (ConstantInt *CI2 = dyn_cast<ConstantInt>(C2)) {  in ConstantFoldBinaryInstruction()  local
1122       const APInt &C2V = CI2->getValue();  in ConstantFoldBinaryInstruction()
1133         assert(!CI2->isNullValue() && "Div by zero handled above");  in ConstantFoldBinaryInstruction()
1136         assert(!CI2->isNullValue() && "Div by zero handled above");  in ConstantFoldBinaryInstruction()
1141         assert(!CI2->isNullValue() && "Div by zero handled above");  in ConstantFoldBinaryInstruction()
1144         assert(!CI2->isNullValue() && "Div by zero handled above");  in ConstantFoldBinaryInstruction()