diff options
| -rw-r--r-- | include/llvm/Pass.h | 7 | ||||
| -rw-r--r-- | include/llvm/PassAnalysisSupport.h | 16 |
2 files changed, 17 insertions, 6 deletions
diff --git a/include/llvm/Pass.h b/include/llvm/Pass.h index a0fa060fbf..9e43b5e0a3 100644 --- a/include/llvm/Pass.h +++ b/include/llvm/Pass.h @@ -136,12 +136,7 @@ public: /// automatically as the transform is performed. /// template<typename AnalysisType> - AnalysisType *getAnalysisToUpdate() const { - assert(Resolver && "Pass not resident in a PassManager object!"); - const PassInfo *PI = getClassPassInfo<AnalysisType>(); - if (PI == 0) return 0; - return dynamic_cast<AnalysisType*>(Resolver->getAnalysisToUpdate(PI)); - } + AnalysisType *getAnalysisToUpdate() const; // Defined in PassAnalysisSupport.h /// mustPreserveAnalysisID - This method serves the same function as /// getAnalysisToUpdate, but works if you just have an AnalysisID. This diff --git a/include/llvm/PassAnalysisSupport.h b/include/llvm/PassAnalysisSupport.h index 97588c3ae3..d27d669649 100644 --- a/include/llvm/PassAnalysisSupport.h +++ b/include/llvm/PassAnalysisSupport.h @@ -110,4 +110,20 @@ protected: void setAnalysisResolver(Pass *P, AnalysisResolver *AR); }; +/// getAnalysisToUpdate<AnalysisType>() - This function is used by subclasses +/// to get to the analysis information that might be around that needs to be +/// updated. This is different than getAnalysis in that it can fail (ie the +/// analysis results haven't been computed), so should only be used if you +/// provide the capability to update an analysis that exists. This method is +/// often used by transformation APIs to update analysis results for a pass +/// automatically as the transform is performed. +/// +template<typename AnalysisType> +AnalysisType *Pass::getAnalysisToUpdate() const { + assert(Resolver && "Pass not resident in a PassManager object!"); + const PassInfo *PI = getClassPassInfo<AnalysisType>(); + if (PI == 0) return 0; + return dynamic_cast<AnalysisType*>(Resolver->getAnalysisToUpdate(PI)); +} + #endif |