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-rw-r--r--lib/Analysis/LoopPass.cpp23
1 files changed, 8 insertions, 15 deletions
diff --git a/lib/Analysis/LoopPass.cpp b/lib/Analysis/LoopPass.cpp
index 0b5f6266e3737..e988f6444a58d 100644
--- a/lib/Analysis/LoopPass.cpp
+++ b/lib/Analysis/LoopPass.cpp
@@ -73,30 +73,23 @@ LPPassManager::LPPassManager()
CurrentLoop = nullptr;
}
-// Inset loop into loop nest (LoopInfo) and loop queue (LQ).
-Loop &LPPassManager::addLoop(Loop *ParentLoop) {
- // Create a new loop. LI will take ownership.
- Loop *L = new Loop();
-
- // Insert into the loop nest and the loop queue.
- if (!ParentLoop) {
+// Insert loop into loop nest (LoopInfo) and loop queue (LQ).
+void LPPassManager::addLoop(Loop &L) {
+ if (!L.getParentLoop()) {
// This is the top level loop.
- LI->addTopLevelLoop(L);
- LQ.push_front(L);
- return *L;
+ LQ.push_front(&L);
+ return;
}
- ParentLoop->addChildLoop(L);
// Insert L into the loop queue after the parent loop.
for (auto I = LQ.begin(), E = LQ.end(); I != E; ++I) {
- if (*I == L->getParentLoop()) {
+ if (*I == L.getParentLoop()) {
// deque does not support insert after.
++I;
- LQ.insert(I, 1, L);
- break;
+ LQ.insert(I, 1, &L);
+ return;
}
}
- return *L;
}
/// cloneBasicBlockSimpleAnalysis - Invoke cloneBasicBlockAnalysis hook for