Lines Matching refs:Existing
701 /// node already exists, in which case transfer all its users to the existing
709 SDNode *Existing = CSEMap.GetOrInsertNode(N);
710 if (Existing != N) {
711 // If there was already an existing matching node, use ReplaceAllUsesWith
712 // to replace the dead one with the existing one. This can cause
714 ReplaceAllUsesWith(N, Existing);
718 DUL->NodeDeleted(N, Existing);
4941 if (SDNode *Existing = FindModifiedNodeSlot(N, Op, InsertPos))
4942 return Existing;
4966 if (SDNode *Existing = FindModifiedNodeSlot(N, Op1, Op2, InsertPos))
4967 return Existing;
5024 if (SDNode *Existing = FindModifiedNodeSlot(N, Ops, NumOps, InsertPos))
5025 return Existing;
5528 // Iterate over all the existing uses of From. New uses will be added
5532 // of CSE: If an existing node looks like From after one of its operands
5581 // Iterate over just the existing users of From. See the comments in
5620 // Iterate over just the existing users of From. See the comments in
5664 // Iterate over just the existing users of From. See the comments in
