Preserve line number info.

llvm-svn: 130876
2011-05-04 21:58:58 +00:00 · 2011-05-04 21:58:58 +00:00 · c7e4fa7c19
parent e53ae508ec
commit c7e4fa7c19
1 changed files with 4 additions and 1 deletions
--- a/llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
+++ b/llvm/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(),