Do not lose line number info while eliminating tail call.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130419 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/TailRecursionElimination.cpp b/lib/Transforms/Scalar/TailRecursionElimination.cpp
index a221759..539cc6f 100644
--- a/lib/Transforms/Scalar/TailRecursionElimination.cpp
+++ b/lib/Transforms/Scalar/TailRecursionElimination.cpp
@@ -573,7 +573,9 @@
 
   // Now that all of the PHI nodes are in place, remove the call and
   // ret instructions, replacing them with an unconditional branch.
-  BranchInst::Create(OldEntry, Ret);
+  BranchInst *NewBI = BranchInst::Create(OldEntry, Ret);
+  NewBI->setDebugLoc(CI->getDebugLoc());
+
   BB->getInstList().erase(Ret);  // Remove return.
   BB->getInstList().erase(CI);   // Remove call.
   ++NumEliminated;