305       : SrcChain(SrcBlock->CurChain), DstChain(DstBlock->CurChain),  in Edge()
313     if (From == DstChain)  in changeEndpoint()
314       DstChain = To;  in changeEndpoint()
351   Chain *DstChain{nullptr};  member in llvm::bolt::Edge
369     Chain *const DstChain = EdgeIt.first;  in mergeEdges()  local
371     Chain *const TargetChain = DstChain == Other ? this : DstChain;  in mergeEdges()
378       if (DstChain != this && DstChain != Other)  in mergeEdges()
379         DstChain->addEdge(this, DstEdge);  in mergeEdges()
384     if (DstChain != Other)  in mergeEdges()
385       DstChain->removeEdge(Other);  in mergeEdges()
657         Chain *DstChain = AllBlocks[DstIndex].CurChain;  in mergeColdChains()  local
659         bool IsColdDst = DstChain->executionCount() == 0;  in mergeColdChains()
660         if (SrcChain != DstChain && !DstChain->isEntryPoint() &&  in mergeColdChains()
662             DstChain->blocks().front()->Index == DstIndex &&  in mergeColdChains()
664           mergeChains(SrcChain, DstChain, 0, MergeTypeTy::X_Y);  in mergeColdChains()