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-rw-r--r--clang/lib/Analysis/BasicStore.cpp10
-rw-r--r--clang/lib/Analysis/RegionStore.cpp14
-rw-r--r--clang/lib/Analysis/Store.cpp16
3 files changed, 23 insertions, 17 deletions
diff --git a/clang/lib/Analysis/BasicStore.cpp b/clang/lib/Analysis/BasicStore.cpp
index cb2af0f537c..e2113396581 100644
--- a/clang/lib/Analysis/BasicStore.cpp
+++ b/clang/lib/Analysis/BasicStore.cpp
@@ -271,7 +271,7 @@ SValuator::CastResult BasicStoreManager::Retrieve(const GRState *state,
if (isa<UnknownVal>(loc))
return SValuator::CastResult(state, UnknownVal());
- assert (!isa<UndefinedVal>(loc));
+ assert(!isa<UndefinedVal>(loc));
switch (loc.getSubKind()) {
@@ -296,8 +296,12 @@ SValuator::CastResult BasicStoreManager::Retrieve(const GRState *state,
return SValuator::CastResult(state, UnknownVal());
BindingsTy B = GetBindings(state->getStore());
- BindingsTy::data_type* T = B.lookup(R);
- return SValuator::CastResult(state, T ? *T : UnknownVal());
+ BindingsTy::data_type *Val = B.lookup(R);
+
+ if (!Val)
+ break;
+
+ return CastRetrievedVal(*Val, state, cast<TypedRegion>(R), T);
}
case loc::ConcreteIntKind:
diff --git a/clang/lib/Analysis/RegionStore.cpp b/clang/lib/Analysis/RegionStore.cpp
index 53ef054c530..9225bfbaae7 100644
--- a/clang/lib/Analysis/RegionStore.cpp
+++ b/clang/lib/Analysis/RegionStore.cpp
@@ -299,9 +299,6 @@ public:
SVal RetrieveFieldOrElementCommon(const GRState *state, const TypedRegion *R,
QualType Ty, const MemRegion *superR);
- SValuator::CastResult CastRetrievedVal(SVal val, const GRState *state,
- const TypedRegion *R, QualType castTy);
-
/// Retrieve the values in a struct and return a CompoundVal, used when doing
/// struct copy:
/// struct s x, y;
@@ -1247,17 +1244,6 @@ SVal RegionStoreManager::RetrieveArray(const GRState *state,
#endif
}
-SValuator::CastResult RegionStoreManager::CastRetrievedVal(SVal V,
- const GRState *state,
- const TypedRegion *R,
- QualType castTy) {
- if (castTy.isNull())
- return SValuator::CastResult(state, V);
-
- ASTContext &Ctx = getContext();
- return ValMgr.getSValuator().EvalCast(V, state, castTy, R->getValueType(Ctx));
-}
-
//===----------------------------------------------------------------------===//
// Binding values to regions.
//===----------------------------------------------------------------------===//
diff --git a/clang/lib/Analysis/Store.cpp b/clang/lib/Analysis/Store.cpp
index fca69e69cb3..e2412f6e280 100644
--- a/clang/lib/Analysis/Store.cpp
+++ b/clang/lib/Analysis/Store.cpp
@@ -197,3 +197,19 @@ StoreManager::CastRegion(const GRState *state, const MemRegion* R,
return CastResult(state, R);
}
+
+
+/// CastRetrievedVal - Used by subclasses of StoreManager to implement
+/// implicit casts that arise from loads from regions that are reinterpreted
+/// as another region.
+SValuator::CastResult StoreManager::CastRetrievedVal(SVal V,
+ const GRState *state,
+ const TypedRegion *R,
+ QualType castTy) {
+ if (castTy.isNull())
+ return SValuator::CastResult(state, V);
+
+ ASTContext &Ctx = ValMgr.getContext();
+ return ValMgr.getSValuator().EvalCast(V, state, castTy, R->getValueType(Ctx));
+}
+
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