X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FAnalysis%2FDominators.h;h=a1cc196eae30ed55a0e5fff76b2f533e7c24c0b2;hb=94c22716d60ff5edf6a98a3c67e0faa001be1142;hp=45be59b97413a48571c07daaf9dc89c97bd1651b;hpb=305b515c2787f47adecbe120e4b4bef55c5e5525;p=oota-llvm.git

diff --git a/include/llvm/Analysis/Dominators.h b/include/llvm/Analysis/Dominators.h
index 45be59b9741..a1cc196eae3 100644
--- a/include/llvm/Analysis/Dominators.h
+++ b/include/llvm/Analysis/Dominators.h
@@ -705,6 +705,21 @@ DominatorTreeBase<NodeT>::properlyDominates(const NodeT *A, const NodeT *B) {
 
 EXTERN_TEMPLATE_INSTANTIATION(class DominatorTreeBase<BasicBlock>);
 
+class BasicBlockEdge {
+  const BasicBlock *Start;
+  const BasicBlock *End;
+public:
+  BasicBlockEdge(const BasicBlock *Start_, const BasicBlock *End_) :
+    Start(Start_), End(End_) { }
+  const BasicBlock *getStart() const {
+    return Start;
+  }
+  const BasicBlock *getEnd() const {
+    return End;
+  }
+  bool isSingleEdge() const;
+};
+
 //===-------------------------------------
 /// DominatorTree Class - Concrete subclass of DominatorTreeBase that is used to
 /// compute a normal dominator tree.
@@ -778,6 +793,8 @@ public:
   bool dominates(const Instruction *Def, const Use &U) const;
   bool dominates(const Instruction *Def, const Instruction *User) const;
   bool dominates(const Instruction *Def, const BasicBlock *BB) const;
+  bool dominates(const BasicBlockEdge &BBE, const Use &U) const;
+  bool dominates(const BasicBlockEdge &BBE, const BasicBlock *BB) const;
 
   bool properlyDominates(const DomTreeNode *A, const DomTreeNode *B) const {
     return DT->properlyDominates(A, B);