1232   if (ConstantInt *CI2 = dyn_cast<ConstantInt>(C2)) {  in ConstantFoldBinaryInstruction()  local
1235       if (CI2->isZero()) return C1;                             // X + 0 == X  in ConstantFoldBinaryInstruction()
1238       if (CI2->isZero()) return C1;                             // X - 0 == X  in ConstantFoldBinaryInstruction()
1241       if (CI2->isZero()) return C2;                             // X * 0 == 0  in ConstantFoldBinaryInstruction()
1242       if (CI2->isOne())  in ConstantFoldBinaryInstruction()
1247       if (CI2->isOne())  in ConstantFoldBinaryInstruction()
1249       if (CI2->isZero())  in ConstantFoldBinaryInstruction()
1250         return PoisonValue::get(CI2->getType());              // X / 0 == poison  in ConstantFoldBinaryInstruction()
1254       if (CI2->isOne())  in ConstantFoldBinaryInstruction()
1255         return Constant::getNullValue(CI2->getType());        // X % 1 == 0  in ConstantFoldBinaryInstruction()
1256       if (CI2->isZero())  in ConstantFoldBinaryInstruction()
1257         return PoisonValue::get(CI2->getType());              // X % 0 == poison  in ConstantFoldBinaryInstruction()
1260       if (CI2->isZero()) return C2;                           // X & 0 == 0  in ConstantFoldBinaryInstruction()
1261       if (CI2->isMinusOne())  in ConstantFoldBinaryInstruction()
1267           unsigned DstWidth = CI2->getType()->getBitWidth();  in ConstantFoldBinaryInstruction()
1271           if ((PossiblySetBits & CI2->getValue()) == PossiblySetBits)  in ConstantFoldBinaryInstruction()
1306             unsigned DstWidth = CI2->getType()->getBitWidth();  in ConstantFoldBinaryInstruction()
1311             if ((CI2->getValue() & BitsNotSet) == CI2->getValue())  in ConstantFoldBinaryInstruction()
1312               return Constant::getNullValue(CI2->getType());  in ConstantFoldBinaryInstruction()
1318       if (CI2->isZero()) return C1;        // X | 0 == X  in ConstantFoldBinaryInstruction()
1319       if (CI2->isMinusOne())  in ConstantFoldBinaryInstruction()
1323       if (CI2->isZero()) return C1;        // X ^ 0 == X  in ConstantFoldBinaryInstruction()
1331           assert(CI2->isOne());  in ConstantFoldBinaryInstruction()
1353     if (ConstantInt *CI2 = dyn_cast<ConstantInt>(C2)) {  in ConstantFoldBinaryInstruction()  local
1355       const APInt &C2V = CI2->getValue();  in ConstantFoldBinaryInstruction()
1366         assert(!CI2->isZero() && "Div by zero handled above");  in ConstantFoldBinaryInstruction()
1369         assert(!CI2->isZero() && "Div by zero handled above");  in ConstantFoldBinaryInstruction()
1374         assert(!CI2->isZero() && "Div by zero handled above");  in ConstantFoldBinaryInstruction()
1377         assert(!CI2->isZero() && "Div by zero handled above");  in ConstantFoldBinaryInstruction()