[cfe-commits] r89446 - /cfe/trunk/lib/Analysis/GRExprEngine.cpp

[Zhongxing Xu]

Author: zhongxingxu
Date: Thu Nov 19 21:50:46 2009
New Revision: 89446

URL: http://llvm.org/viewvc/llvm-project?rev=89446&view=rev
Log:
Revert r89437 and add a comment.

Modified:
    cfe/trunk/lib/Analysis/GRExprEngine.cpp

Modified: cfe/trunk/lib/Analysis/GRExprEngine.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Analysis/GRExprEngine.cpp?rev=89446&r1=89445&r2=89446&view=diff

==============================================================================
--- cfe/trunk/lib/Analysis/GRExprEngine.cpp (original)
+++ cfe/trunk/lib/Analysis/GRExprEngine.cpp Thu Nov 19 21:50:46 2009
@@ -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;
   }