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Make variable name more explicit and eliminate redundant lookup in SDNodeOrdering

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@177600 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Justin Holewinski 2013-03-20 23:10:59 +00:00
parent 3c987aead2
commit 93c1fd49d2
1 changed files with 4 additions and 4 deletions
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8
lib/CodeGen/SelectionDAG/SDNodeOrdering.h
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@ -33,10 +33,10 @@ class SDNodeOrdering {
public: public:
SDNodeOrdering() {} SDNodeOrdering() {}
void add(const SDNode *Node, unsigned O) { void add(const SDNode *Node, unsigned NewOrder) {
unsigned OldOrder = getOrder(Node); unsigned &OldOrder = OrderMap[Node];
if (OldOrder == 0 || (OldOrder > 0 && O < OldOrder)) if (OldOrder == 0 || (OldOrder > 0 && NewOrder < OldOrder))
OrderMap[Node] = O; OldOrder = NewOrder;
} }
void remove(const SDNode *Node) { void remove(const SDNode *Node) {
DenseMap<const SDNode*, unsigned>::iterator Itr = OrderMap.find(Node); DenseMap<const SDNode*, unsigned>::iterator Itr = OrderMap.find(Node);