Cleanup debug info. assocated with deleted instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59012 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/ADCE.cpp b/lib/Transforms/Scalar/ADCE.cpp
index 3481c0014358878ddb83160b24c8b755f40902aa..31e6bef7c47a2ddc8f37cf2c5a03f2fb2eea766f 100644 (file)
--- a/lib/Transforms/Scalar/ADCE.cpp
+++ b/lib/Transforms/Scalar/ADCE.cpp
@@ -26,7 +26,7 @@
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
-
+#include "llvm/Transforms/Utils/DbgInfoUtils.h"
 
 using namespace llvm;
 
@@ -89,7 +89,12 @@ bool ADCE::runOnFunction(Function& F) {
     (*I)->eraseFromParent();
   }
     
-  return !worklist.empty();
+  if (!worklist.empty()) {
+    RemoveDeadDbgIntrinsics(F);
+    return true;
+  }
+
+  return false;
 }
 
 FunctionPass *llvm::createAggressiveDCEPass() {