X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=blobdiff_plain;f=include%2Fllvm%2FAnalysis%2FLoopPass.h;h=8650000fcfb6ede62f7ded42a1c0780861ee52c6;hp=726e28636ac61aed59c6695becccac96602739cd;hb=20c9ab5fe6a097a4f8f7da745dffa39d830d4d6e;hpb=c37e6c073436be77e90ef640c0e6627200ba19f7

diff --git a/include/llvm/Analysis/LoopPass.h b/include/llvm/Analysis/LoopPass.h
index 726e28636ac..8650000fcfb 100644
--- a/include/llvm/Analysis/LoopPass.h
+++ b/include/llvm/Analysis/LoopPass.h
@@ -82,6 +82,11 @@ public:
   /// deleteAnalysisValue - Delete analysis info associated with value V.
   virtual void deleteAnalysisValue(Value *V, Loop *L) {}
 
+  /// Delete analysis info associated with Loop L.
+  /// Called to notify a Pass that a loop has been deleted and any
+  /// associated analysis values can be deleted.
+  virtual void deleteAnalysisLoop(Loop *L) {}
+
 protected:
   /// skipOptnoneFunction - Containing function has Attribute::OptimizeNone
   /// and most transformation passes should skip it.
@@ -152,6 +157,10 @@ public:
   /// that implement simple analysis interface.
   void deleteSimpleAnalysisValue(Value *V, Loop *L);
 
+  /// Invoke deleteAnalysisLoop hook for all passes that implement simple
+  /// analysis interface.
+  void deleteSimpleAnalysisLoop(Loop *L);
+
 private:
   std::deque<Loop *> LQ;
   bool skipThisLoop;