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cache dereferenced iterator
llvm-svn: 109093
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@ -315,10 +315,11 @@ void Region::clearNodeCache() {
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bool RegionInfo::isCommonDomFrontier(BasicBlock *BB, BasicBlock *entry,
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BasicBlock *exit) const {
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for (pred_iterator PI = pred_begin(BB), PE = pred_end(BB); PI != PE; ++PI)
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if (DT->dominates(entry, *PI) && !DT->dominates(exit, *PI))
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for (pred_iterator PI = pred_begin(BB), PE = pred_end(BB); PI != PE; ++PI) {
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BasicBlock *P = *PI;
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if (DT->dominates(entry, P) && !DT->dominates(exit, P))
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return false;
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}
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return true;
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}
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