commit 00b1ad2d56f3e39f95c3f61bf511a531ab6a4fa5
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 b5ec78de21b4fdf2d4facccee439afebd5cec57a
parent d1abf673bf133bd779a94978286c92cef86d7d36

Revert r89437 and add a comment.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89446 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Analysis/GRExprEngine.cpp

diff --git a/lib/Analysis/GRExprEngine.cpp b/lib/Analysis/GRExprEngine.cpp
index 8f912c4..2b4b5ae 100644
--- a/lib/Analysis/GRExprEngine.cpp
+++ b/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;
   }