Transforms/Scalar/LoopIdiomRecognize.cpp

391   Instruction *DefX2, *CountInst;
395   DefX2 = CountInst = 0;
403       DefX2 = dyn_cast<Instruction>(T);
410     if (!DefX2 || DefX2->getOpcode() != Instruction::And)
415     if ((SubOneOp = dyn_cast<BinaryOperator>(DefX2->getOperand(0))))
416       VarX1 = DefX2->getOperand(1);
418       VarX1 = DefX2->getOperand(0);
419       SubOneOp = dyn_cast<BinaryOperator>(DefX2->getOperand(1));
437         (PhiX->getOperand(0) != DefX2 && PhiX->getOperand(1) != DefX2)) {