Add accessor for getting the underlying templated type. This is necessary for templated LoopInfo.

llvm-svn: 44347

llvm/include/llvm/Analysis/Dominators.h

@@ -670,6 +670,8 @@ public:
     delete DT;
   }
   
+  DominatorTreeBase<BasicBlock>& getBase() { return *DT; }
+  
   /// getRoots -  Return the root blocks of the current CFG.  This may include
   /// multiple blocks if we are computing post dominators.  For forward
   /// dominators, this will always be a single block (the entry node).

llvm/include/llvm/CodeGen/MachineDominators.h

@@ -54,6 +54,8 @@ public:
     delete DT;
   }
   
+  DominatorTreeBase<MachineBasicBlock>& getBase() { return *DT; }
+  
   virtual void getAnalysisUsage(AnalysisUsage &AU) const {
     AU.setPreservesAll();
     MachineFunctionPass::getAnalysisUsage(AU);