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-rw-r--r--include/llvm/Analysis/LoopInfo.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h
index ff49f456e3..7daabe53ec 100644
--- a/include/llvm/Analysis/LoopInfo.h
+++ b/include/llvm/Analysis/LoopInfo.h
@@ -53,6 +53,10 @@ public:
/// Loop ctor - This creates an empty loop.
Loop() : ParentLoop(0), LoopDepth(0) {
}
+ ~Loop() {
+ for (unsigned i = 0, e = SubLoops.size(); i != e; ++i)
+ delete SubLoops[i];
+ }
unsigned getLoopDepth() const { return LoopDepth; }
BasicBlock *getHeader() const { return Blocks.front(); }
@@ -192,11 +196,6 @@ private:
Loop(BasicBlock *BB) : ParentLoop(0) {
Blocks.push_back(BB); LoopDepth = 0;
}
- ~Loop() {
- for (unsigned i = 0, e = SubLoops.size(); i != e; ++i)
- delete SubLoops[i];
- }
-
void setLoopDepth(unsigned Level) {
LoopDepth = Level;
for (unsigned i = 0, e = SubLoops.size(); i != e; ++i)
@@ -262,6 +261,11 @@ public:
///
virtual void getAnalysisUsage(AnalysisUsage &AU) const;
+ /// removeLoop - This removes the specified top-level loop from this loop info
+ /// object. The loop is not deleted, as it will presumably be inserted into
+ /// another loop.
+ Loop *removeLoop(iterator I);
+
/// changeLoopFor - Change the top-level loop that contains BB to the
/// specified loop. This should be used by transformations that restructure
/// the loop hierarchy tree.