Add FIXME.

llvm-svn: 76466
2009-07-20 20:38:59 +00:00 · 2009-07-20 20:38:59 +00:00 · a1f9c7fb3b
parent 2dd0bf8db0
commit a1f9c7fb3b
1 changed files with 5 additions and 0 deletions
--- a/clang/lib/Analysis/GRExprEngine.cpp
+++ b/clang/lib/Analysis/GRExprEngine.cpp
@ -1310,6 +1310,11 @@ static bool EvalOSAtomicCompareAndSwap(ExplodedNodeSet<GRState>& Dst,
    const GRState *stateLoad = N->getState();
    SVal theValueVal = stateLoad->getSVal(theValueExpr);
    SVal oldValueVal = stateLoad->getSVal(oldValueExpr);
+    
+    // FIXME: Issue an error.
+    if (theValueVal.isUndef() || oldValueVal.isUndef()) {
+      return false;      
+    }
        
    // Perform the comparison.
    SVal Cmp = Engine.EvalBinOp(stateLoad, BinaryOperator::EQ, theValueVal,