821 bool llvm::isKnownToBeAPowerOfTwo(Value *V, bool OrZero, unsigned Depth) {  in isKnownToBeAPowerOfTwo()  argument
824       return OrZero;  in isKnownToBeAPowerOfTwo()
846   if (OrZero && (match(V, m_Shl(m_Value(X), m_Value())) ||  in isKnownToBeAPowerOfTwo()
851     return isKnownToBeAPowerOfTwo(ZI->getOperand(0), OrZero, Depth);  in isKnownToBeAPowerOfTwo()
854     return isKnownToBeAPowerOfTwo(SI->getTrueValue(), OrZero, Depth) &&  in isKnownToBeAPowerOfTwo()
855       isKnownToBeAPowerOfTwo(SI->getFalseValue(), OrZero, Depth);  in isKnownToBeAPowerOfTwo()
857   if (OrZero && match(V, m_And(m_Value(X), m_Value(Y)))) {  in isKnownToBeAPowerOfTwo()
872     if (OrZero || VOBO->hasNoUnsignedWrap() || VOBO->hasNoSignedWrap()) {  in isKnownToBeAPowerOfTwo()
875         if (isKnownToBeAPowerOfTwo(Y, OrZero, Depth))  in isKnownToBeAPowerOfTwo()
879         if (isKnownToBeAPowerOfTwo(X, OrZero, Depth))  in isKnownToBeAPowerOfTwo()
894         if (OrZero || RHSOneBits.getBoolValue() || LHSOneBits.getBoolValue())  in isKnownToBeAPowerOfTwo()
904     return isKnownToBeAPowerOfTwo(cast<Operator>(V)->getOperand(0), OrZero, Depth);  in isKnownToBeAPowerOfTwo()