forked from OSchip/llvm-project
use continue to avoid nesting, no functionality change.
llvm-svn: 40819
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@ -611,20 +611,21 @@ void PromoteMem2Reg::MarkDominatingPHILive(BasicBlock *BB, unsigned AllocaNum,
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BasicBlock *DomBB = IDom->getBlock();
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DenseMap<std::pair<BasicBlock*, unsigned>, PHINode*>::iterator
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I = NewPhiNodes.find(std::make_pair(DomBB, AllocaNum));
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if (I != NewPhiNodes.end()) {
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// Ok, we found an inserted PHI node which dominates this value.
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PHINode *DominatingPHI = I->second;
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if (I == NewPhiNodes.end()) continue;
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// Ok, we found an inserted PHI node which dominates this value.
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PHINode *DominatingPHI = I->second;
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// Find out if we previously thought it was dead. If so, mark it as being
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// live by removing it from the DeadPHINodes set.
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if (DeadPHINodes.erase(DominatingPHI)) {
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// Now that we have marked the PHI node alive, also mark any PHI nodes
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// which it might use as being alive as well.
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for (pred_iterator PI = pred_begin(DomBB), PE = pred_end(DomBB);
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PI != PE; ++PI)
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MarkDominatingPHILive(*PI, AllocaNum, DeadPHINodes);
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}
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}
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// Find out if we previously thought it was dead. If so, mark it as being
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// live by removing it from the DeadPHINodes set.
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if (!DeadPHINodes.erase(DominatingPHI))
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continue;
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// Now that we have marked the PHI node alive, also mark any PHI nodes
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// which it might use as being alive as well.
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for (pred_iterator PI = pred_begin(DomBB), PE = pred_end(DomBB);
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PI != PE; ++PI)
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MarkDominatingPHILive(*PI, AllocaNum, DeadPHINodes);
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}
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}
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