Extract the code for inserting a loop into the loop queue into
a separate function.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82946 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Analysis/LoopPass.h b/include/llvm/Analysis/LoopPass.h
index 7659b5b..2eb329f 100644
--- a/include/llvm/Analysis/LoopPass.h
+++ b/include/llvm/Analysis/LoopPass.h
@@ -111,9 +111,13 @@
// Delete loop from the loop queue and loop nest (LoopInfo).
void deleteLoopFromQueue(Loop *L);
- // Insert loop into the loop nest(LoopInfo) and loop queue(LQ).
+ // Insert loop into the loop queue and add it as a child of the
+ // given parent.
void insertLoop(Loop *L, Loop *ParentLoop);
+ // Insert a loop into the loop queue.
+ void insertLoopIntoQueue(Loop *L);
+
// Reoptimize this loop. LPPassManager will re-insert this loop into the
// queue. This allows LoopPass to change loop nest for the loop. This
// utility may send LPPassManager into infinite loops so use caution.
diff --git a/lib/Analysis/LoopPass.cpp b/lib/Analysis/LoopPass.cpp
index 4f7018d..4ed802c 100644
--- a/lib/Analysis/LoopPass.cpp
+++ b/lib/Analysis/LoopPass.cpp
@@ -110,17 +110,21 @@
else
LI->addTopLevelLoop(L);
+ insertLoopIntoQueue(L);
+}
+
+void LPPassManager::insertLoopIntoQueue(Loop *L) {
// Insert L into loop queue
if (L == CurrentLoop)
redoLoop(L);
- else if (!ParentLoop)
+ else if (!L->getParentLoop())
// This is top level loop.
LQ.push_front(L);
else {
- // Insert L after ParentLoop
+ // Insert L after the parent loop.
for (std::deque<Loop *>::iterator I = LQ.begin(),
E = LQ.end(); I != E; ++I) {
- if (*I == ParentLoop) {
+ if (*I == L->getParentLoop()) {
// deque does not support insert after.
++I;
LQ.insert(I, 1, L);