Revert r89437 and add a comment.

llvm-svn: 89446
2009-11-20 03:50:46 +00:00 · 2009-11-20 03:50:46 +00:00 · ab0ae2139a
parent fa559f46c4
commit ab0ae2139a
1 changed files with 2 additions and 1 deletions
--- a/clang/lib/Analysis/GRExprEngine.cpp
+++ b/clang/lib/Analysis/GRExprEngine.cpp
@ -1278,7 +1278,8 @@ void GRExprEngine::EvalLocation(ExplodedNodeSet &Dst, Stmt *S,
                                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;
  }