Add convenience ctor to BranchInst


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3675 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/iTerminators.h b/include/llvm/iTerminators.h
index adf67ab..85c2c8b 100644
--- a/include/llvm/iTerminators.h
+++ b/include/llvm/iTerminators.h
@@ -69,8 +69,9 @@
   BranchInst(const BranchInst &BI);
 public:
   // If cond = null, then is an unconditional br...
-  BranchInst(BasicBlock *IfTrue, BasicBlock *IfFalse = 0, Value *cond = 0,
+  BranchInst(BasicBlock *IfTrue, BasicBlock *IfFalse, Value *cond = 0,
              Instruction *InsertBefore = 0);
+  BranchInst(BasicBlock *IfTrue, Instruction *InsertBefore = 0);
 
   virtual Instruction *clone() const { return new BranchInst(*this); }