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Make variable name more explicit and eliminate redundant lookup in SDNodeOrdering 

llvm-svn: 177600
This commit is contained in:
Justin Holewinski 2013-03-20 23:10:59 +00:00
parent 712f674880
commit 7478f3d776
1 changed files with 4 additions and 4 deletions
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8
llvm/lib/CodeGen/SelectionDAG/SDNodeOrdering.h
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@ -33,10 +33,10 @@ class SDNodeOrdering {
public:
SDNodeOrdering() {}
void add(const SDNode *Node, unsigned O) {
unsigned OldOrder = getOrder(Node);
if (OldOrder == 0 || (OldOrder > 0 && O < OldOrder))
OrderMap[Node] = O;
void add(const SDNode *Node, unsigned NewOrder) {
unsigned &OldOrder = OrderMap[Node];
if (OldOrder == 0 || (OldOrder > 0 && NewOrder < OldOrder))
OldOrder = NewOrder;
}
void remove(const SDNode *Node) {
DenseMap<const SDNode*, unsigned>::iterator Itr = OrderMap.find(Node);