/// nested within unloop.
void UnloopUpdater::updateSubloopParents() {
while (!Unloop->empty()) {
- Loop *Subloop = *(Unloop->end()-1);
- Unloop->removeChildLoop(Unloop->end()-1);
+ Loop *Subloop = *llvm::prior(Unloop->end());
+ Unloop->removeChildLoop(llvm::prior(Unloop->end()));
assert(SubloopParents.count(Subloop) && "DFS failed to visit subloop");
if (SubloopParents[Subloop])
/// For subloop blocks, simply update SubloopParents and return NULL.
Loop *UnloopUpdater::getNearestLoop(BasicBlock *BB, Loop *BBLoop) {
- // Initialy for blocks directly contained by Unloop, NearLoop == Unloop and is
- // considered uninitialized.
+ // Initially for blocks directly contained by Unloop, NearLoop == Unloop and
+ // is considered uninitialized.
Loop *NearLoop = BBLoop;
Loop *Subloop = 0;
/// updateUnloop - The last backedge has been removed from a loop--now the
/// "unloop". Find a new parent for the blocks contained within unloop and
-/// update the loop tree. We don't necessarilly have valid dominators at this
+/// update the loop tree. We don't necessarily have valid dominators at this
/// point, but LoopInfo is still valid except for the removal of this loop.
///
/// Note that Unloop may now be an empty loop. Calling Loop::getHeader without
// Move all of the subloops to the top-level.
while (!Unloop->empty())
- LI.addTopLevelLoop(Unloop->removeChildLoop(Unloop->end()-1));
+ LI.addTopLevelLoop(Unloop->removeChildLoop(llvm::prior(Unloop->end())));
return;
}