235       if (!isa<UndefValue>(GV->getInitializer()))  in TrackValueOfGlobalVariable()
397       if (!isa<UndefValue>(V))  in getValueState()
426       else if (isa<UndefValue>(Elt))  in getStructValueState()
779     if (isa<UndefValue>(C))  in visitCastInst()
887     if (isa<UndefValue>(C))  in visitBinaryOperator()
948     if (isa<UndefValue>(C))  in visitCmpInst()
1000   if (isa<UndefValue>(C))  in visitGetElementPtrInst()
1061     if (isa<UndefValue>(C))  in visitLoadInst()
1108         if (isa<UndefValue>(C))  in visitCallSite()
1477       if (isa<UndefValue>(BI->getCondition())) {  in ResolvedUndefsIn()
1499       if (isa<UndefValue>(SI->getCondition())) {  in ResolvedUndefsIn()
1526                               : UndefValue::get(ST->getElementType(i)));  in tryToReplaceWithConstant()
1533     Const = IV.isConstant() ? IV.getConstant() : UndefValue::get(V->getType());  in tryToReplaceWithConstant()
1829             assert(BI->isConditional() && isa<UndefValue>(BI->getCondition()) &&  in runIPSCCP()
1832             assert(isa<UndefValue>(SI->getCondition()) && "Switch should fold");  in runIPSCCP()
1882         if (!isa<UndefValue>(RI->getOperand(0)))  in runIPSCCP()
1889     ReturnsToZap[i]->setOperand(0, UndefValue::get(F->getReturnType()));  in runIPSCCP()