checkpoint of the new PHITransAddr code, still not done and not used by

[oota-llvm.git] / include / llvm / Analysis / PostDominators.h

diff --git a/include/llvm/Analysis/PostDominators.h b/include/llvm/Analysis/PostDominators.h
index 6c9e05fd4b25f5b8fdabc59f8af4619a5d1a0a14..ea14b2da9ce97b5761ba2165fbe4192454ec7a20 100644 (file)
--- a/include/llvm/Analysis/PostDominators.h
+++ b/include/llvm/Analysis/PostDominators.h
@@ -49,6 +49,14 @@ struct PostDominatorTree : public FunctionPass {
     return DT->getNode(BB);
   }
   
+  inline bool dominates(DomTreeNode* A, DomTreeNode* B) const {
+    return DT->dominates(A, B);
+  }
+
+  inline bool dominates(const BasicBlock* A, const BasicBlock* B) const {
+    return DT->dominates(A, B);
+  }
+
   inline bool properlyDominates(const DomTreeNode* A, DomTreeNode* B) const {
     return DT->properlyDominates(A, B);
   }
@@ -57,11 +65,33 @@ struct PostDominatorTree : public FunctionPass {
     return DT->properlyDominates(A, B);
   }
 
+  virtual void releaseMemory() {
+    DT->releaseMemory();
+  }
+
   virtual void print(raw_ostream &OS, const Module*) const;
 };
 
 FunctionPass* createPostDomTree();
 
+template <> struct GraphTraits<PostDominatorTree*>
+  : public GraphTraits<DomTreeNode*> {
+  static NodeType *getEntryNode(PostDominatorTree *DT) {
+    return DT->getRootNode();
+  }
+
+  static nodes_iterator nodes_begin(PostDominatorTree *N) {
+    if (getEntryNode(N))
+      return df_begin(getEntryNode(N));
+    else
+      return df_end(getEntryNode(N));
+  }
+
+  static nodes_iterator nodes_end(PostDominatorTree *N) {
+    return df_end(getEntryNode(N));
+  }
+};
+
 /// PostDominanceFrontier Class - Concrete subclass of DominanceFrontier that is
 /// used to compute the a post-dominance frontier.
 ///