Add pair conversion functions to BasicBlockEdge.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@295888 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/IR/Dominators.h b/include/llvm/IR/Dominators.h
index e39ef64e699b340a9c2adc84a207c24d6e638058..db512e10108322a1978467b7505814a5556661d5 100644 (file)
--- a/include/llvm/IR/Dominators.h
+++ b/include/llvm/IR/Dominators.h
@@ -46,6 +46,10 @@ class BasicBlockEdge {
 public:
   BasicBlockEdge(const BasicBlock *Start_, const BasicBlock *End_) :
     Start(Start_), End(End_) { }
+  BasicBlockEdge(const std::pair<BasicBlock *, BasicBlock *> &Pair)
+      : Start(Pair.first), End(Pair.second) {}
+  BasicBlockEdge(const std::pair<const BasicBlock *, const BasicBlock *> &Pair)
+      : Start(Pair.first), End(Pair.second) {}
   const BasicBlock *getStart() const {
     return Start;
   }