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SelectionDAGBuilder::handleJTSwitchCase, simplify loop; NFC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@232830 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -2337,15 +2337,10 @@ bool SelectionDAGBuilder::handleJTSwitchCase(CaseRec &CR,
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// Calculate weight for each unique destination in CR.
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DenseMap<MachineBasicBlock*, uint32_t> DestWeights;
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if (FuncInfo.BPI)
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for (CaseItr I = CR.Range.first, E = CR.Range.second; I != E; ++I) {
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DenseMap<MachineBasicBlock*, uint32_t>::iterator Itr =
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DestWeights.find(I->BB);
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if (Itr != DestWeights.end())
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Itr->second += I->ExtraWeight;
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else
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DestWeights[I->BB] = I->ExtraWeight;
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}
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if (FuncInfo.BPI) {
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for (CaseItr I = CR.Range.first, E = CR.Range.second; I != E; ++I)
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DestWeights[I->BB] += I->ExtraWeight;
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}
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// Update successor info. Add one edge to each unique successor.
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BitVector SuccsHandled(CR.CaseBB->getParent()->getNumBlockIDs());
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