Lines Matching refs:Existing
762 /// node already exists, in which case transfer all its users to the existing
770 SDNode *Existing = CSEMap.GetOrInsertNode(N);
771 if (Existing != N) {
772 // If there was already an existing matching node, use ReplaceAllUsesWith
773 // to replace the dead one with the existing one. This can cause
775 ReplaceAllUsesWith(N, Existing);
779 DUL->NodeDeleted(N, Existing);
5218 if (SDNode *Existing = FindModifiedNodeSlot(N, Op, InsertPos))
5219 return Existing;
5243 if (SDNode *Existing = FindModifiedNodeSlot(N, Op1, Op2, InsertPos))
5244 return Existing;
5302 if (SDNode *Existing = FindModifiedNodeSlot(N, Ops, InsertPos))
5303 return Existing;
5812 // Iterate over all the existing uses of From. New uses will be added
5816 // of CSE: If an existing node looks like From after one of its operands
5865 // Iterate over just the existing users of From. See the comments in
5904 // Iterate over just the existing users of From. See the comments in
5948 // Iterate over just the existing users of From. See the comments in
