// The new PHI node is inserted in the prolog end basic block.
// The new PHI name is added as an operand of a PHI node in either
// the loop header or the loop exit block.
- for (BasicBlock *Succ : successors(Latch)) {
- for (BasicBlock::iterator BBI = Succ->begin();
+ for (succ_iterator SBI = succ_begin(Latch), SBE = succ_end(Latch);
+ SBI != SBE; ++SBI) {
+ for (BasicBlock::iterator BBI = (*SBI)->begin();
PHINode *PN = dyn_cast<PHINode>(BBI); ++BBI) {
// Add a new PHI node to the prolog end block and add the