lib/Analysis/ValueTracking.cpp

162                            isKnownNonZero(Op0, TD, Depth)) ||
164                            isKnownNonZero(Op1, TD, Depth));
926   if (isKnownNonZero(GEP->getPointerOperand(), DL, Depth))
961     // We post-increment Depth here because while isKnownNonZero increments it
969     if (isKnownNonZero(GTI.getOperand(), DL, Depth))
976 /// isKnownNonZero - Return true if the given value is known to be non-zero
980 bool llvm::isKnownNonZero(Value *V, const DataLayout *TD, unsigned Depth) {
1009     return isKnownNonZero(X, TD, Depth) || isKnownNonZero(Y, TD, Depth);
1013     return isKnownNonZero(cast<Instruction>(V)->getOperand(0), TD, Depth);
1021       return isKnownNonZero(X, TD, Depth);
1035       return isKnownNonZero(X, TD, Depth);
1044     return isKnownNonZero(X, TD, Depth);
1056       if (isKnownNonZero(X, TD, Depth) || isKnownNonZero(Y, TD, Depth))
1089         isKnownNonZero(X, TD, Depth) && isKnownNonZero(Y, TD, Depth))
1094     if (isKnownNonZero(SI->getTrueValue(), TD, Depth) &&
1095         isKnownNonZero(SI->getFalseValue(), TD, Depth))
1991     return isKnownNonZero(Inst->getOperand(1), TD);
1996     if (!isKnownNonZero(Op, TD))