add some new methods to adjust this pointers. Not used yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94013 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Pass.h b/include/llvm/Pass.h
index f3e4dfd..8178598 100644
--- a/include/llvm/Pass.h
+++ b/include/llvm/Pass.h
@@ -145,6 +145,14 @@
///
virtual void releaseMemory();
+ /// getAdjustedAnalysisPointer - This method is used when a pass implements
+ /// an analysis interface through multiple inheritance. If needed, it should
+ /// override this to adjust the this pointer as needed for the specified pass
+ /// info.
+ virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
+ return this;
+ }
+
/// verifyAnalysis() - This member can be implemented by a analysis pass to
/// check state of analysis information.
virtual void verifyAnalysis() const;
diff --git a/lib/Analysis/BasicAliasAnalysis.cpp b/lib/Analysis/BasicAliasAnalysis.cpp
index b2983c7..36b831c 100644
--- a/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/lib/Analysis/BasicAliasAnalysis.cpp
@@ -153,6 +153,16 @@
virtual void deleteValue(Value *V) {}
virtual void copyValue(Value *From, Value *To) {}
+
+ /// getAdjustedAnalysisPointer - This method is used when a pass implements
+ /// an analysis interface through multiple inheritance. If needed, it should
+ /// override this to adjust the this pointer as needed for the specified pass
+ /// info.
+ virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
+ if (PI->isPassID(&AliasAnalysis::ID))
+ return (AliasAnalysis*)this;
+ return this;
+ }
};
} // End of anonymous namespace
@@ -192,6 +202,16 @@
/// global) or not.
bool pointsToConstantMemory(const Value *P);
+ /// getAdjustedAnalysisPointer - This method is used when a pass implements
+ /// an analysis interface through multiple inheritance. If needed, it should
+ /// override this to adjust the this pointer as needed for the specified pass
+ /// info.
+ virtual void *getAdjustedAnalysisPointer(const PassInfo *PI) {
+ if (PI->isPassID(&AliasAnalysis::ID))
+ return (AliasAnalysis*)this;
+ return this;
+ }
+
private:
// VisitedPHIs - Track PHI nodes visited by a aliasCheck() call.
SmallPtrSet<const Value*, 16> VisitedPHIs;