From: Devang Patel <dpatel@apple.com>
Date: Wed, 4 May 2011 21:58:58 +0000 (+0000)
Subject: Preserve line number info.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b90584ae78a7acc4ac92e3ad52121a10c520b980;p=oota-llvm.git

Preserve line number info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130876 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/MemCpyOptimizer.cpp b/lib/Transforms/Scalar/MemCpyOptimizer.cpp
index a3035cbfb0e..04edfd43a28 100644
--- a/lib/Transforms/Scalar/MemCpyOptimizer.cpp
+++ b/lib/Transforms/Scalar/MemCpyOptimizer.cpp
@@ -459,7 +459,10 @@ Instruction *MemCpyOpt::tryMergingIntoMemset(Instruction *StartInst,
           for (unsigned i = 0, e = Range.TheStores.size(); i != e; ++i)
             dbgs() << *Range.TheStores[i] << '\n';
           dbgs() << "With: " << *AMemSet << '\n');
-    
+
+    if (!Range.TheStores.empty())
+      AMemSet->setDebugLoc(Range.TheStores[0]->getDebugLoc());
+
     // Zap all the stores.
     for (SmallVector<Instruction*, 16>::const_iterator
          SI = Range.TheStores.begin(),