2 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/Transforms/IPO/InlinerPass.h b/include/llvm/Transforms/IPO/InlinerPass.h
index 7c3632fdce..3aed6494b7 100644
--- a/include/llvm/Transforms/IPO/InlinerPass.h
+++ b/include/llvm/Transforms/IPO/InlinerPass.h
@@ -61,6 +61,11 @@ struct Inliner : public CallGraphSCCPass {
   ///
   virtual float getInlineFudgeFactor(CallSite CS) = 0;
 
+  /// resetCachedCostInfo - erase any cached cost data from the derived class.
+  /// If the derived class has no such data this can be empty.
+  /// 
+  virtual void resetCachedCostInfo(Function* Caller) = 0;
+
   /// removeDeadFunctions - Remove dead functions that are not included in
   /// DNR (Do Not Remove) list.
   bool removeDeadFunctions(CallGraph &CG, 
diff --git a/include/llvm/Transforms/Utils/InlineCost.h b/include/llvm/Transforms/Utils/InlineCost.h
index 415fc1e91b..d78a0f0818 100644
--- a/include/llvm/Transforms/Utils/InlineCost.h
+++ b/include/llvm/Transforms/Utils/InlineCost.h
@@ -128,6 +128,11 @@ namespace llvm {
     /// getInlineFudgeFactor - Return a > 1.0 factor if the inliner should use a
     /// higher threshold to determine if the function call should be inlined.
     float getInlineFudgeFactor(CallSite CS);
+
+    /// resetCachedFunctionInfo - erase any cached cost info for this function.
+    void resetCachedCostInfo(Function* Caller) {
+      CachedFunctionInfo[Caller].NumBlocks = 0;
+    }
   };
 }