From: Devang Patel <dpatel@apple.com>
Date: Thu, 28 Apr 2011 18:43:39 +0000 (+0000)
Subject: Do not lose line number info while eliminating tail call.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=81199d2545112fcff5a6e055eb71e2a4950192a7;p=oota-llvm.git

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 a2217597100..539cc6f0baf 100644
--- a/lib/Transforms/Scalar/TailRecursionElimination.cpp
+++ b/lib/Transforms/Scalar/TailRecursionElimination.cpp
@@ -573,7 +573,9 @@ bool TailCallElim::EliminateRecursiveTailCall(CallInst *CI, ReturnInst *Ret,
 
   // 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;