773     for (const FlowBlock &SrcBlock : Func.Blocks) {  in rebalanceUnknownSubgraphs()  local
775       if (!canRebalanceAtRoot(&SrcBlock))  in rebalanceUnknownSubgraphs()
782       findUnknownSubgraph(&SrcBlock, KnownDstBlocks, UnknownBlocks);  in rebalanceUnknownSubgraphs()
787       if (!canRebalanceSubgraph(&SrcBlock, KnownDstBlocks, UnknownBlocks,  in rebalanceUnknownSubgraphs()
792       if (!isAcyclicSubgraph(&SrcBlock, DstBlock, UnknownBlocks))  in rebalanceUnknownSubgraphs()
796       rebalanceUnknownSubgraph(&SrcBlock, DstBlock, UnknownBlocks);  in rebalanceUnknownSubgraphs()
801   bool canRebalanceAtRoot(const FlowBlock *SrcBlock) {  in canRebalanceAtRoot()  argument
804     if (SrcBlock->HasUnknownWeight || SrcBlock->Flow == 0)  in canRebalanceAtRoot()
809     for (auto *Jump : SrcBlock->SuccJumps) {  in canRebalanceAtRoot()
823   void findUnknownSubgraph(const FlowBlock *SrcBlock,  in findUnknownSubgraph()  argument
831     Queue.push(SrcBlock->Index);  in findUnknownSubgraph()
832     Visited[SrcBlock->Index] = true;  in findUnknownSubgraph()
839         if (ignoreJump(SrcBlock, nullptr, Jump))  in findUnknownSubgraph()
860   bool canRebalanceSubgraph(const FlowBlock *SrcBlock,  in canRebalanceSubgraph()  argument
883         if (ignoreJump(SrcBlock, DstBlock, Jump))  in canRebalanceSubgraph()
897   bool ignoreJump(const FlowBlock *SrcBlock, const FlowBlock *DstBlock,  in ignoreJump()  argument
911     if (!JumpTarget->HasUnknownWeight && JumpSource == SrcBlock)  in ignoreJump()
923   bool isAcyclicSubgraph(const FlowBlock *SrcBlock, const FlowBlock *DstBlock,  in isAcyclicSubgraph()  argument
929         if (ignoreJump(SrcBlock, DstBlock, Jump))  in isAcyclicSubgraph()
934     fillInDegree(SrcBlock);  in isAcyclicSubgraph()
939     if (LocalInDegree[SrcBlock->Index] > 0)  in isAcyclicSubgraph()
944     Queue.push(SrcBlock->Index);  in isAcyclicSubgraph()
953       if (Block->HasUnknownWeight && Block != SrcBlock)  in isAcyclicSubgraph()
958         if (ignoreJump(SrcBlock, DstBlock, Jump))  in isAcyclicSubgraph()
978   void rebalanceUnknownSubgraph(const FlowBlock *SrcBlock,  in rebalanceUnknownSubgraph()  argument
981     assert(SrcBlock->Flow > 0 && "zero-flow block in unknown subgraph");  in rebalanceUnknownSubgraph()
986     for (auto *Jump : SrcBlock->SuccJumps) {  in rebalanceUnknownSubgraph()
987       if (ignoreJump(SrcBlock, DstBlock, Jump))  in rebalanceUnknownSubgraph()
991     rebalanceBlock(SrcBlock, DstBlock, SrcBlock, BlockFlow);  in rebalanceUnknownSubgraph()
1002       rebalanceBlock(SrcBlock, DstBlock, Block, BlockFlow);  in rebalanceUnknownSubgraph()
1008   void rebalanceBlock(const FlowBlock *SrcBlock, const FlowBlock *DstBlock,  in rebalanceBlock()  argument
1013       if (ignoreJump(SrcBlock, DstBlock, Jump))  in rebalanceBlock()
1026       if (ignoreJump(SrcBlock, DstBlock, Jump))  in rebalanceBlock()