[llvm-commits] CVS: llvm/include/llvm/CodeGen/SelectionDAG.h

[Chris Lattner]

Changes in directory llvm/include/llvm/CodeGen:

SelectionDAG.h updated: 1.89 -> 1.90
---
Log message:

Add some methods


---
Diffs of the changes:  (+17 -0)

 SelectionDAG.h |   17 +++++++++++++++++
 1 files changed, 17 insertions(+)


Index: llvm/include/llvm/CodeGen/SelectionDAG.h
diff -u llvm/include/llvm/CodeGen/SelectionDAG.h:1.89 llvm/include/llvm/CodeGen/SelectionDAG.h:1.90
--- llvm/include/llvm/CodeGen/SelectionDAG.h:1.89	Fri Jan 27 18:18:27 2006
+++ llvm/include/llvm/CodeGen/SelectionDAG.h	Sat Jan 28 03:32:01 2006
@@ -262,6 +262,19 @@
   // getSrcValue - construct a node to track a Value* through the backend
   SDOperand getSrcValue(const Value* I, int offset = 0);
 
+  /// UpdateNodeOperands - *Mutate* the specified node in-place to have the
+  /// specified operands.  If the resultant node already exists in the DAG,
+  /// this does not modify the specified node, instead it returns the node that
+  /// already exists.  If the resultant node does not exist in the DAG, the
+  /// input node is returned.  As a degenerate case, if you specify the same
+  /// input operands as the node already has, the input node is returned.
+  SDOperand UpdateNodeOperands(SDOperand N, SDOperand Op);
+  SDOperand UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2);
+  SDOperand UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2,
+                               SDOperand Op3);
+  SDOperand UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2,
+                               SDOperand Op3, SDOperand Op4);
+  SDOperand UpdateNodeOperands(SDOperand N, const std::vector<SDOperand> &Op);
   
   /// SelectNodeTo - These are used for target selectors to *mutate* the
   /// specified node to have the specified return type, Target opcode, and
@@ -551,6 +564,10 @@
 private:
   void RemoveNodeFromCSEMaps(SDNode *N);
   SDNode *AddNonLeafNodeToCSEMaps(SDNode *N);
+  SDNode **FindModifiedNodeSlot(SDNode *N, SDOperand Op);
+  SDNode **FindModifiedNodeSlot(SDNode *N, SDOperand Op1, SDOperand Op2);
+  SDNode **FindModifiedNodeSlot(SDNode *N, const std::vector<SDOperand> &Ops);
+
   void DestroyDeadNode(SDNode *N);
   void DeleteNodeNotInCSEMaps(SDNode *N);
   void setNodeValueTypes(SDNode *N, std::vector<MVT::ValueType> &RetVals);