Add convenience ctor to BranchInst


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3676 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/VMCore/iBranch.cpp b/lib/VMCore/iBranch.cpp
index 1561c3b..3ad36d1 100644
--- a/lib/VMCore/iBranch.cpp
+++ b/lib/VMCore/iBranch.cpp
@@ -26,6 +26,13 @@
          "May only branch on boolean predicates!!!!");
 }
 
+BranchInst::BranchInst(BasicBlock *True, Instruction *InsertBefore) 
+  : TerminatorInst(Instruction::Br, InsertBefore) {
+  assert(True != 0 && "True branch destination may not be null!!!");
+  Operands.reserve(1);
+  Operands.push_back(Use(True, this));
+}
+
 BranchInst::BranchInst(const BranchInst &BI) : TerminatorInst(Instruction::Br) {
   Operands.reserve(BI.Operands.size());
   Operands.push_back(Use(BI.Operands[0], this));