Simplify code and add comments, in code that generate debug info for constant integer globals, based on Chris's feedback.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110694 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index f6f126a..89947df 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -149,8 +149,10 @@
     Expr::EvalResult Result;
     if (E->Evaluate(Result, CGF.getContext()) && Result.Val.isInt()) {
       assert(!Result.HasSideEffects && "Constant declref with side-effect?!");
-      CGF.EmitDeclRefExprDbgValue(E, Result.Val);
-      return llvm::ConstantInt::get(VMContext, Result.Val.getInt());
+      llvm::ConstantInt *CI 
+        = llvm::ConstantInt::get(VMContext, Result.Val.getInt());
+      CGF.EmitDeclRefExprDbgValue(E, CI);
+      return CI;
     }
     return EmitLoadOfLValue(E);
   }