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silence a warning
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23593 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -503,7 +503,7 @@ void SchedGraph::findDefUseInfoAtInstr(const TargetMachine& target,
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// (only if the node is not already on the callDepVec!)
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if (callDepNodeVec.size() == 0 || callDepNodeVec.back() != node)
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{
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unsigned rcid;
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unsigned rcid = 0;
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int regInClass = target.getRegInfo()->getClassRegNum(regNum, rcid);
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if (target.getRegInfo()->getMachineRegClass(rcid)
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->isRegVolatile(regInClass))
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