Enhance SimpleSValuator to handle nonloc::LocAsInteger -> location casts.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@76481 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Analysis/SimpleSValuator.cpp b/lib/Analysis/SimpleSValuator.cpp
index 58b169658d01aa35549583c91c7ab2665819d9b9..4f8c29c0710cdfc56cb5e23d20bd28c4dfb7a4c8 100644 (file)
--- a/lib/Analysis/SimpleSValuator.cpp
+++ b/lib/Analysis/SimpleSValuator.cpp
@@ -44,11 +44,16 @@ SValuator *clang::CreateSimpleSValuator(ValueManager &valMgr) {
 // Transfer function for Casts.
 //===----------------------------------------------------------------------===//
 
-SVal SimpleSValuator::EvalCastNL(NonLoc val, QualType castTy) {  
+SVal SimpleSValuator::EvalCastNL(NonLoc val, QualType castTy) {
+  
+  bool isLocType = Loc::IsLocType(castTy);
+  
+  if (isLocType)
+    if (nonloc::LocAsInteger *LI = dyn_cast<nonloc::LocAsInteger>(&val))
+      return LI->getLoc();
+  
   if (!isa<nonloc::ConcreteInt>(val))
     return UnknownVal();
-
-  bool isLocType = Loc::IsLocType(castTy);
   
   // Only handle casts from integers to integers.
   if (!isLocType && !castTy->isIntegerType())