commit b1c91bfc45f46c1e01f8cbeca807da4bd08e0940
author Ted Kremenek <kremenek@apple.com> Fri Jul 18 15:54:51 2008 +0000
committer Ted Kremenek <kremenek@apple.com> Fri Jul 18 15:54:51 2008 +0000
tree 73c8c4156e888d8202ac3b09d007c1af67a52f95
parent 6a62d908c343df47b272948c9ce96d1df5e3b551

Fix regression by explicitly checking if we are negating a SymIntConstantVal.

llvm-svn: 53753

clang/lib/Analysis/GRSimpleVals.cpp

diff --git a/clang/lib/Analysis/GRSimpleVals.cpp b/clang/lib/Analysis/GRSimpleVals.cpp
index 6cb714a..36e7233 100644
--- a/clang/lib/Analysis/GRSimpleVals.cpp
+++ b/clang/lib/Analysis/GRSimpleVals.cpp
@@ -472,11 +472,16 @@
         return UnknownVal();
         
       case nonlval::SymIntConstraintValKind: {
+        
+        // Logical not?        
+        if (!(Op == BinaryOperator::EQ && R.isZeroConstant()))
+          return UnknownVal();
+        
         const SymIntConstraint& C =
           cast<nonlval::SymIntConstraintVal>(L).getConstraint();
         
         BinaryOperator::Opcode Opc = C.getOpcode();
-
+        
         if (Opc < BinaryOperator::LT || Opc > BinaryOperator::NE)
           return UnknownVal();