#endif
}
+static bool isNotAlreadyContainedIn(Loop *SubLoop, Loop *ParentLoop) {
+ if (SubLoop == 0) return true;
+ if (SubLoop == ParentLoop) return false;
+ return isNotAlreadyContainedIn(SubLoop->getParentLoop(), ParentLoop);
+}
+
Loop *LoopInfo::ConsiderForLoop(BasicBlock *BB, const DominatorSet &DS) {
if (BBMap.find(BB) != BBMap.end()) return 0; // Haven't processed this node?
// this child loop gets added to a part of the current loop, making it a
// sibling to the current loop. We have to reparent this loop.
if (Loop *SubLoop = const_cast<Loop*>(getLoopFor(X)))
- if (SubLoop->getHeader() == X && X != BB) {
+ if (SubLoop->getHeader() == X && isNotAlreadyContainedIn(SubLoop, L)) {
// Remove the subloop from it's current parent...
assert(SubLoop->ParentLoop && SubLoop->ParentLoop != L);
Loop *SLP = SubLoop->ParentLoop; // SubLoopParent