// if-conversion in a single pass. The tryConvertIf() function may erase
// blocks, but only blocks dominated by the head block. This makes it safe to
// update the dominator tree while the post-order iterator is still active.
- for (po_iterator<MachineDominatorTree*>
- I = po_begin(DomTree), E = po_end(DomTree); I != E; ++I)
- if (tryConvertIf(I->getBlock()))
+ for (auto DomNode : post_order(DomTree))
+ if (tryConvertIf(DomNode->getBlock()))
Changed = true;
return Changed;