Clean up pass manager cache after each run.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68254 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 9 insertions, 0 deletions

diff --git a/include/llvm/PassAnalysisSupport.h b/include/llvm/PassAnalysisSupport.h
index f0343b3..de37862 100644
--- a/include/llvm/PassAnalysisSupport.h
+++ b/include/llvm/PassAnalysisSupport.h
@@ -143,6 +143,12 @@ public:
     AnalysisImpls.push_back(pir);
   }
 
+  /// clearAnalysisImpls - Clear cache that is used to connect a pass to the
+  /// the analysis (PassInfo).
+  void clearAnalysisImpls() {
+    AnalysisImpls.clear();
+  }
+
   // getAnalysisIfAvailable - Return analysis result or null if it doesn't exist
   Pass *getAnalysisIfAvailable(AnalysisID ID, bool Direction) const;
 
diff --git a/include/llvm/PassManagers.h b/include/llvm/PassManagers.h
index 0716ce5..1aa0d3a 100644
--- a/include/llvm/PassManagers.h
+++ b/include/llvm/PassManagers.h
@@ -414,6 +414,9 @@ public:
   /// whether any of the passes modifies the module, and if so, return true.
   bool runOnFunction(Function &F);
   bool runOnModule(Module &M);
+  
+  /// cleanup - After running all passes, clean up pass manager cache.
+  void cleanup();
 
   /// doInitialization - Run all of the initializers for the function passes.
   ///