- // 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;
+ // AnalysisGroups), we use getAdjustedAnalysisPointer here to potentially
+ // adjust the return pointer (because the class may multiply inherit, once
+ // from pass, once from AnalysisType).
+ return *(AnalysisType*)ResultPass->getAdjustedAnalysisPointer(PI);
+}
+
+/// getAnalysis<AnalysisType>() - This function is used by subclasses to get
+/// to the analysis information that they claim to use by overriding the
+/// getAnalysisUsage function.
+///
+template<typename AnalysisType>
+AnalysisType &Pass::getAnalysis(Function &F) {
+ assert(Resolver &&"Pass has not been inserted into a PassManager object!");
+
+ return getAnalysisID<AnalysisType>(&AnalysisType::ID, F);
+}
+
+template<typename AnalysisType>
+AnalysisType &Pass::getAnalysisID(AnalysisID 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 && "Unable to find requested analysis info");
+
+ // Because the AnalysisType may not be a subclass of pass (for
+ // AnalysisGroups), we use getAdjustedAnalysisPointer here to potentially
+ // adjust the return pointer (because the class may multiply inherit, once
+ // from pass, once from AnalysisType).
+ return *(AnalysisType*)ResultPass->getAdjustedAnalysisPointer(PI);