642   void setOrigin(Instruction *I, Value *Origin);
679                                   Value *Origin, BasicBlock::iterator Pos);
749   Value *updateOriginIfTainted(Value *Shadow, Value *Origin, IRBuilder<> &IRB);
753   Value *originToIntptr(IRBuilder<> &IRB, Value *Origin);
757   void paintOrigin(IRBuilder<> &IRB, Value *Origin, Value *StoreOriginAddr,
766                    Value *Shadow, Value *Origin, Value *StoreOriginAddr,
1711           if (Instruction *Origin =  in runImpl()  local
1714             Instruction *OriginNext = Origin->getNextNode();  in runImpl()
1815   Value *&Origin = ValOriginMap[V];  in getOrigin()  local
1816   if (!Origin) {  in getOrigin()
1824         Origin = IRB.CreateLoad(DFS.OriginTy, ArgOriginPtr);  in getOrigin()
1827         Origin = DFS.ZeroOrigin;  in getOrigin()
1830       Origin = DFS.ZeroOrigin;  in getOrigin()
1833   return Origin;  in getOrigin()
1836 void DFSanFunction::setOrigin(Instruction *I, Value *Origin) {  in setOrigin()  argument
1840   assert(Origin->getType() == DFS.OriginTy);  in setOrigin()
1841   ValOriginMap[I] = Origin;  in setOrigin()
2063   Value *Origin = nullptr;  in combineOrigins()  local
2071     if (!Origin) {  in combineOrigins()
2072       Origin = OpOrigin;  in combineOrigins()
2079     Origin = IRB.CreateSelect(Cond, OpOrigin, Origin);  in combineOrigins()
2081   return Origin ? Origin : DFS.ZeroOrigin;  in combineOrigins()
2185   auto AppendWideShadowAndOrigin = [&](Value *WideShadow, Value *Origin) {  in loadShadowFast()  argument
2200       Origins.push_back(Origin);  in loadShadowFast()
2203       Origins.push_back(Origin);  in loadShadowFast()
2299   Value *Origin = nullptr;  in loadShadowOriginSansLoadTracking()  local
2302     Origin = IRB.CreateAlignedLoad(DFS.OriginTy, OriginAddr, OriginAlign);  in loadShadowOriginSansLoadTracking()
2311     return {LI, Origin};  in loadShadowOriginSansLoadTracking()
2321     return {combineShadows(Load, Load1, Pos), Origin};  in loadShadowOriginSansLoadTracking()
2328                           OriginAlign, Origin, Pos);  in loadShadowOriginSansLoadTracking()
2334   return {FallbackCall, Origin};  in loadShadowOriginSansLoadTracking()
2340   Value *PrimitiveShadow, *Origin;  in loadShadowOrigin()  local
2341   std::tie(PrimitiveShadow, Origin) =  in loadShadowOrigin()
2348         Origin = updateOriginIfTainted(PrimitiveShadow, Origin, IRB);  in loadShadowOrigin()
2351   return {PrimitiveShadow, Origin};  in loadShadowOrigin()
2418   Value *PrimitiveShadow, *Origin;  in visitLoadInst()  local
2419   std::tie(PrimitiveShadow, Origin) =  in visitLoadInst()
2424     Origins.push_back(Origin);  in visitLoadInst()
2459 Value *DFSanFunction::updateOriginIfTainted(Value *Shadow, Value *Origin,  in updateOriginIfTainted()  argument
2462   return IRB.CreateCall(DFS.DFSanChainOriginIfTaintedFn, {Shadow, Origin});  in updateOriginIfTainted()
2471 Value *DFSanFunction::originToIntptr(IRBuilder<> &IRB, Value *Origin) {  in originToIntptr()  argument
2476     return Origin;  in originToIntptr()
2478   Origin = IRB.CreateIntCast(Origin, DFS.IntptrTy, /* isSigned */ false);  in originToIntptr()
2479   return IRB.CreateOr(Origin, IRB.CreateShl(Origin, OriginSize * 8));  in originToIntptr()
2482 void DFSanFunction::paintOrigin(IRBuilder<> &IRB, Value *Origin,  in paintOrigin()  argument
2495     Value *IntptrOrigin = originToIntptr(IRB, Origin);  in paintOrigin()
2512     IRB.CreateAlignedStore(Origin, GEP, CurrentAlignment);  in paintOrigin()
2528                                 uint64_t Size, Value *Shadow, Value *Origin,  in storeOrigin()  argument
2537       paintOrigin(IRB, updateOrigin(Origin, IRB), StoreOriginAddr, Size,  in storeOrigin()
2545         {CollapsedShadow, Addr, ConstantInt::get(DFS.IntptrTy, Size), Origin});  in storeOrigin()
2552     paintOrigin(IRBNew, updateOrigin(Origin, IRBNew), StoreOriginAddr, Size,  in storeOrigin()
2574                                                Value *Origin,  in storePrimitiveShadowOrigin()  argument
2576   const bool ShouldTrackOrigins = DFS.shouldTrackOrigins() && Origin;  in storePrimitiveShadowOrigin()
2588         assert(OI != AllocaOriginMap.end() && Origin);  in storePrimitiveShadowOrigin()
2589         IRB.CreateStore(Origin, OI->second);  in storePrimitiveShadowOrigin()
2639     storeOrigin(Pos, Addr, Size, PrimitiveShadow, Origin, OriginAddr,  in storePrimitiveShadowOrigin()
2700   Value *Origin = nullptr;  in visitStoreInst()  local
2702     Origin = DFSF.combineOrigins(Shadows, Origins, SI.getIterator());  in visitStoreInst()
2704                                   PrimitiveShadow, Origin, SI.getIterator());  in visitStoreInst()