Let instcombiner remove redundant dbg intrinsics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59658 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/ADCE.cpp b/lib/Transforms/Scalar/ADCE.cpp
index 31e6bef..bdf8029 100644
--- a/lib/Transforms/Scalar/ADCE.cpp
+++ b/lib/Transforms/Scalar/ADCE.cpp
@@ -26,7 +26,6 @@
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/Transforms/Utils/DbgInfoUtils.h"
 
 using namespace llvm;
 
@@ -88,13 +87,8 @@
     NumRemoved++;
     (*I)->eraseFromParent();
   }
-    
-  if (!worklist.empty()) {
-    RemoveDeadDbgIntrinsics(F);
-    return true;
-  }
 
-  return false;
+  return !worklist.empty();
 }
 
 FunctionPass *llvm::createAggressiveDCEPass() {