Transforms/IPO/SampleProfile.cpp

1180 /// information. Two blocks B1 and B2 are in the same equivalence class if B1
1181 /// dominates B2, B2 post-dominates B1 and both are in the same loop.
1416 /// edges to another block B2, we only add a single B1->B2 edge.
1426       BasicBlock *B2 = *PI;
1427       if (Visited.insert(B2).second)
1428         Predecessors[B1].push_back(B2);
1436       BasicBlock *B2 = *SI;
1437       if (Visited.insert(B2).second)
1438         Successors[B1].push_back(B2);
1667 ///    Two blocks B1 and B2 are in the same equivalence class if B1
1668 ///    dominates B2, B2 post-dominates B1 and both are in the same loop.