static bool
bothUsedInPHI(const MachineBasicBlock &A,
SmallPtrSet<MachineBasicBlock*, 8> SuccsB) {
- for (MachineBasicBlock::const_succ_iterator SI = A.succ_begin(),
- SE = A.succ_end(); SI != SE; ++SI) {
- MachineBasicBlock *BB = *SI;
+ for (MachineBasicBlock *BB : A.successors())
if (SuccsB.count(BB) && !BB->empty() && BB->begin()->isPHI())
return true;
- }
return false;
}
bool
TailDuplicatePass::canCompletelyDuplicateBB(MachineBasicBlock &BB) {
- for (MachineBasicBlock::pred_iterator PI = BB.pred_begin(),
- PE = BB.pred_end(); PI != PE; ++PI) {
- MachineBasicBlock *PredBB = *PI;
-
+ for (MachineBasicBlock *PredBB : BB.predecessors()) {
if (PredBB->succ_size() > 1)
return false;