From b7b53e9a249ba316fea350915c784abff6082cdd Mon Sep 17 00:00:00 2001
From: Devang Patel <dpatel@apple.com>
Date: Tue, 17 May 2011 20:00:02 +0000
Subject: [PATCH] Preserve line number information.

llvm-svn: 131482
---
 lib/Transforms/Scalar/GVN.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index cbb030e5606..1da5238bbb6 100644
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -2102,6 +2102,7 @@ bool GVN::performPRE(Function &F) {
 
       PREInstr->insertBefore(PREPred->getTerminator());
       PREInstr->setName(CurInst->getName() + ".pre");
+      PREInstr->setDebugLoc(CurInst->getDebugLoc());
       predMap[PREPred] = PREInstr;
       VN.add(PREInstr, ValNo);
       ++NumGVNPRE;