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Add a new argument to ReplaceAllUsesWith to keep track of nodes deleted by 

this method

llvm-svn: 23254
This commit is contained in:
Chris Lattner 2005-09-07 05:36:18 +00:00
parent 007c650699
commit 3852fd0e49
1 changed files with 11 additions and 3 deletions
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14
llvm/include/llvm/CodeGen/SelectionDAG.h
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@ -328,9 +328,16 @@ public:
/// version if 'From' is known to have a single result, use the second
/// if you have two nodes with identical results, use the third otherwise.
///
void ReplaceAllUsesWith(SDOperand From, SDOperand Op);
void ReplaceAllUsesWith(SDNode *From, SDNode *To);
void ReplaceAllUsesWith(SDNode *From, const std::vector<SDOperand> &To);
/// These methods all take an optional vector, which (if not null) is
/// populated with any nodes that are deleted from the SelectionDAG, due to
/// new equivalences that are discovered.
///
void ReplaceAllUsesWith(SDOperand From, SDOperand Op,
std::vector<SDNode*> *Deleted = 0);
void ReplaceAllUsesWith(SDNode *From, SDNode *To,
std::vector<SDNode*> *Deleted = 0);
void ReplaceAllUsesWith(SDNode *From, const std::vector<SDOperand> &To,
std::vector<SDNode*> *Deleted = 0);
/// DeleteNode - Remove the specified node from the system. This node must
@ -343,6 +350,7 @@ private:
void RemoveNodeFromCSEMaps(SDNode *N);
SDNode *AddNonLeafNodeToCSEMaps(SDNode *N);
void DeleteNodeIfDead(SDNode *N, void *NodeSet);
void DeleteNodeNotInCSEMaps(SDNode *N);
/// SimplifySetCC - Try to simplify a setcc built with the specified operands
/// and cc. If unable to simplify it, return a null SDOperand.