X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FPassAnalysisSupport.h;h=b09ba45e346d3b9bdfdc44925f273ce4414fa3cc;hb=295643b8050d4c45b06032690d707e7281e82c92;hp=f8b139ecb1a5b72de12a6f2f5637b450c8df3f04;hpb=1465d61bdd36cfd6021036a527895f0dd358e97d;p=oota-llvm.git

diff --git a/include/llvm/PassAnalysisSupport.h b/include/llvm/PassAnalysisSupport.h
index f8b139ecb1a..b09ba45e346 100644
--- a/include/llvm/PassAnalysisSupport.h
+++ b/include/llvm/PassAnalysisSupport.h
@@ -143,13 +143,17 @@ 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;
 
   // AnalysisImpls - This keeps track of which passes implements the interfaces
   // that are required by the current pass (to implement getAnalysis()).
-  // NOTE : Remove AnalysisImpls from class Pass, when AnalysisResolver
-  // replaces AnalysisResolver
   std::vector<std::pair<const PassInfo*, Pass*> > AnalysisImpls;
 
 private:
@@ -222,23 +226,21 @@ AnalysisType &Pass::getAnalysis(Function &F) {
 template<typename AnalysisType>
 AnalysisType &Pass::getAnalysisID(const PassInfo *PI, Function &F) {
   assert(PI && "getAnalysis for unregistered pass!");
-   assert(Resolver&&"Pass has not been inserted into a PassManager object!");
-   // PI *must* appear in AnalysisImpls.  Because the number of passes used
-   // should be a small number, we just do a linear search over a (dense)
-   // vector.
-   Pass *ResultPass = Resolver->findImplPass(this, PI, F);
-   assert (ResultPass && 
-           "getAnalysis*() called on an analysis that was not "
-           "'required' by pass!");
- 
-   // Because the AnalysisType may not be a subclass of pass (for
-   // AnalysisGroups), we must use dynamic_cast here to potentially adjust the
-   // return pointer (because the class may multiply inherit, once from pass,
-   // once from AnalysisType).
-   //
-   AnalysisType *Result = dynamic_cast<AnalysisType*>(ResultPass);
-   assert(Result && "Pass does not implement interface required!");
-   return *Result;
+  assert(Resolver && "Pass has not been inserted into a PassManager object!");
+  // PI *must* appear in AnalysisImpls.  Because the number of passes used
+  // should be a small number, we just do a linear search over a (dense)
+  // vector.
+  Pass *ResultPass = Resolver->findImplPass(this, PI, F);
+  assert (ResultPass &&  "Unable to find requested analysis info");
+  
+  // Because the AnalysisType may not be a subclass of pass (for
+  // AnalysisGroups), we must use dynamic_cast here to potentially adjust the
+  // return pointer (because the class may multiply inherit, once from pass,
+  // once from AnalysisType).
+  //
+  AnalysisType *Result = dynamic_cast<AnalysisType*>(ResultPass);
+  assert(Result && "Pass does not implement interface required!");
+  return *Result;
 }
 
 } // End llvm namespace