Add note why we used a switch.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174449 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/CFG.cpp b/lib/Analysis/CFG.cpp
index 1cbaaee4a1c7420b12a40c1937b21b59035b25c8..01553b884e0a69495c10353430e60eaaba0ae72d 100644 (file)
--- a/lib/Analysis/CFG.cpp
+++ b/lib/Analysis/CFG.cpp
@@ -251,6 +251,7 @@ reverse_children::reverse_children(Stmt *S) {
     return;
   }
   switch (S->getStmtClass()) {
+    // Note: Fill in this switch with more cases we want to optimize.
     case Stmt::InitListExprClass: {
       InitListExpr *IE = cast<InitListExpr>(S);
       children = llvm::makeArrayRef(reinterpret_cast<Stmt**>(IE->getInits()),