diff options
| -rw-r--r-- | include/llvm/CodeGen/SelectionDAG.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h index bebcd1d944..e8f3ff4636 100644 --- a/include/llvm/CodeGen/SelectionDAG.h +++ b/include/llvm/CodeGen/SelectionDAG.h @@ -239,10 +239,17 @@ public: SDOperand Op1, SDOperand Op2, SDOperand Op3) { return getNode(ISD::BUILTIN_OP_END+Opcode, VT, Op1, Op2, Op3); } + + /// ReplaceAllUsesWith - Modify anything using 'From' to use 'To' instead. + /// This can cause recursive merging of nodes in the DAG. + /// + void ReplaceAllUsesWith(SDNode *From, SDNode *To); + void dump() const; private: void RemoveNodeFromCSEMaps(SDNode *N); + SDNode *AddNonLeafNodeToCSEMaps(SDNode *N); void DeleteNodeIfDead(SDNode *N, void *NodeSet); /// SimplifySetCC - Try to simplify a setcc built with the specified operands |