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From Chris' review: use isa instead of explicitly using classof.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46964 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -287,7 +287,7 @@ unsigned ScheduleDAG::CountOperands(SDNode *Node) {
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--N;
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if (N && Node->getOperand(N - 1).getValueType() == MVT::Other)
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--N; // Ignore chain if it exists.
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while (N && MemOperandSDNode::classof(Node->getOperand(N - 1).Val))
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while (N && isa<MemOperandSDNode>(Node->getOperand(N - 1).Val))
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--N; // Ignore MemOperand nodes
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return N;
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}
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