762       auto SrcBlock = &Func.Blocks[I];  in rebalanceUnknownSubgraphs()  local
764       if (!canRebalanceAtRoot(SrcBlock))  in rebalanceUnknownSubgraphs()
771       findUnknownSubgraph(SrcBlock, KnownDstBlocks, UnknownBlocks);  in rebalanceUnknownSubgraphs()
776       if (!canRebalanceSubgraph(SrcBlock, KnownDstBlocks, UnknownBlocks,  in rebalanceUnknownSubgraphs()
781       if (!isAcyclicSubgraph(SrcBlock, DstBlock, UnknownBlocks))  in rebalanceUnknownSubgraphs()
785       rebalanceUnknownSubgraph(SrcBlock, DstBlock, UnknownBlocks);  in rebalanceUnknownSubgraphs()
790   bool canRebalanceAtRoot(const FlowBlock *SrcBlock) {  in canRebalanceAtRoot()  argument
793     if (SrcBlock->UnknownWeight || SrcBlock->Flow == 0)  in canRebalanceAtRoot()
798     for (auto Jump : SrcBlock->SuccJumps) {  in canRebalanceAtRoot()
812   void findUnknownSubgraph(const FlowBlock *SrcBlock,  in findUnknownSubgraph()  argument
820     Queue.push(SrcBlock->Index);  in findUnknownSubgraph()
821     Visited[SrcBlock->Index] = true;  in findUnknownSubgraph()
828         if (ignoreJump(SrcBlock, nullptr, Jump))  in findUnknownSubgraph()
849   bool canRebalanceSubgraph(const FlowBlock *SrcBlock,  in canRebalanceSubgraph()  argument
872         if (ignoreJump(SrcBlock, DstBlock, Jump))  in canRebalanceSubgraph()
886   bool ignoreJump(const FlowBlock *SrcBlock, const FlowBlock *DstBlock,  in ignoreJump()  argument
900     if (!JumpTarget->UnknownWeight && JumpSource == SrcBlock)  in ignoreJump()
912   bool isAcyclicSubgraph(const FlowBlock *SrcBlock, const FlowBlock *DstBlock,  in isAcyclicSubgraph()  argument
918         if (ignoreJump(SrcBlock, DstBlock, Jump))  in isAcyclicSubgraph()
923     fillInDegree(SrcBlock);  in isAcyclicSubgraph()
928     if (LocalInDegree[SrcBlock->Index] > 0)  in isAcyclicSubgraph()
933     Queue.push(SrcBlock->Index);  in isAcyclicSubgraph()
942       if (Block->UnknownWeight && Block != SrcBlock)  in isAcyclicSubgraph()
947         if (ignoreJump(SrcBlock, DstBlock, Jump))  in isAcyclicSubgraph()
967   void rebalanceUnknownSubgraph(const FlowBlock *SrcBlock,  in rebalanceUnknownSubgraph()  argument
970     assert(SrcBlock->Flow > 0 && "zero-flow block in unknown subgraph");  in rebalanceUnknownSubgraph()
975     for (auto Jump : SrcBlock->SuccJumps) {  in rebalanceUnknownSubgraph()
976       if (ignoreJump(SrcBlock, DstBlock, Jump))  in rebalanceUnknownSubgraph()
980     rebalanceBlock(SrcBlock, DstBlock, SrcBlock, BlockFlow);  in rebalanceUnknownSubgraph()
991       rebalanceBlock(SrcBlock, DstBlock, Block, BlockFlow);  in rebalanceUnknownSubgraph()
997   void rebalanceBlock(const FlowBlock *SrcBlock, const FlowBlock *DstBlock,  in rebalanceBlock()  argument
1002       if (ignoreJump(SrcBlock, DstBlock, Jump))  in rebalanceBlock()
1015       if (ignoreJump(SrcBlock, DstBlock, Jump))  in rebalanceBlock()