The style guide prefers preincrement expressions :-)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@181373 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGStmt.cpp b/lib/CodeGen/CGStmt.cpp
index 69c02ee..208455c 100644
--- a/lib/CodeGen/CGStmt.cpp
+++ b/lib/CodeGen/CGStmt.cpp
@@ -841,9 +841,9 @@
     }
   }
 
-  NumReturnExprs += 1;
+  ++NumReturnExprs;
   if (RV == 0 || RV->isEvaluatable(getContext()))
-    NumSimpleReturnExprs += 1;
+    ++NumSimpleReturnExprs;
 
   cleanupScope.ForceCleanup();
   EmitBranchThroughCleanup(ReturnBlock);