77     RK.WasOn = getUnderlyingObject(RK.WasOn);  in canonicalizedKnowledge()
80     Value *V = RK.WasOn->stripInBoundsOffsets([&](const Value *Strip) {  in canonicalizedKnowledge()
85     RK.WasOn = V;  in canonicalizedKnowledge()
91     Value *V = GetPointerBaseWithConstantOffset(RK.WasOn, Offset, DL,  in canonicalizedKnowledge()
96     RK.WasOn = V;  in canonicalizedKnowledge()
118     if (!InstBeingModified || !RK.WasOn)  in tryToPreserveWithoutAddingAssume()
123         RK.WasOn, {RK.AttrKind}, AC,  in tryToPreserveWithoutAddingAssume()
148     if (!RK.WasOn)  in isKnowledgeWorthPreserving()
150     if (RK.WasOn->getType()->isPointerTy()) {  in isKnowledgeWorthPreserving()
151       Value *UnderlyingPtr = getUnderlyingObject(RK.WasOn);  in isKnowledgeWorthPreserving()
155     if (auto *Arg = dyn_cast<Argument>(RK.WasOn)) {  in isKnowledgeWorthPreserving()
162     if (auto *Inst = dyn_cast<Instruction>(RK.WasOn))  in isKnowledgeWorthPreserving()
164         if (RK.WasOn->use_empty())  in isKnowledgeWorthPreserving()
166         Use *SingleUse = RK.WasOn->getSingleUndroppableUse();  in isKnowledgeWorthPreserving()
181     MapKey Key{RK.WasOn, RK.AttrKind};  in addKnowledge()
196   void addAttribute(Attribute Attr, Value *WasOn) {  in addAttribute()
204     addKnowledge({Attr.getKindAsEnum(), AttrArg, WasOn});  in addAttribute()
422           if (auto *Arg = dyn_cast_or_null<Argument>(RK.WasOn)) {  in dropRedundantKnowledge()
442           auto &Lookup = Knowledge[{RK.WasOn, RK.AttrKind}];  in dropRedundantKnowledge()
485         if (auto *I = dyn_cast_or_null<Instruction>(RK.WasOn))  in mergeRange()