commit ab0ae2139aa50c991cef7716b1661f62a9f07c7b
author Zhongxing Xu <xuzhongxing@gmail.com> Fri Nov 20 03:50:46 2009 +0000
committer Zhongxing Xu <xuzhongxing@gmail.com> Fri Nov 20 03:50:46 2009 +0000
tree 0265a8d392eed2c84444c394c54ef88199080c8b
parent fa559f46c443b68440a06fd6a41075726e6e2a46

Revert r89437 and add a comment.

llvm-svn: 89446

clang/lib/Analysis/GRExprEngine.cpp

diff --git a/clang/lib/Analysis/GRExprEngine.cpp b/clang/lib/Analysis/GRExprEngine.cpp
index 8f912c4..2b4b5ae 100644
--- a/clang/lib/Analysis/GRExprEngine.cpp
+++ b/clang/lib/Analysis/GRExprEngine.cpp
@@ -1278,7 +1278,8 @@
                                 ExplodedNode* Pred,
                                 const GRState* state, SVal location,
                                 const void *tag, bool isLoad) {
-  if (Checkers.empty()) {
+  // Early checks for performance reason.
+  if (location.isUnknown() || Checkers.empty()) {
     Dst.Add(Pred);
     return;
   }