Add transfer function support for BlockExpr.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89829 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/clang/Analysis/PathSensitive/GRExprEngine.h b/include/clang/Analysis/PathSensitive/GRExprEngine.h
index 99ff574..5c6475a 100644
--- a/include/clang/Analysis/PathSensitive/GRExprEngine.h
+++ b/include/clang/Analysis/PathSensitive/GRExprEngine.h
@@ -255,6 +255,9 @@
AsmStmt::inputs_iterator I,
AsmStmt::inputs_iterator E,
ExplodedNode* Pred, ExplodedNodeSet& Dst);
+
+ /// VisitBlockExpr - Transfer function logic for BlockExprs.
+ void VisitBlockExpr(BlockExpr *BE, ExplodedNode *Pred, ExplodedNodeSet &Dst);
/// VisitBinaryOperator - Transfer function logic for binary operators.
void VisitBinaryOperator(BinaryOperator* B, ExplodedNode* Pred,
diff --git a/lib/Analysis/GRExprEngine.cpp b/lib/Analysis/GRExprEngine.cpp
index 255a663..11ea5f8 100644
--- a/lib/Analysis/GRExprEngine.cpp
+++ b/lib/Analysis/GRExprEngine.cpp
@@ -420,6 +420,10 @@
VisitAsmStmt(cast<AsmStmt>(S), Pred, Dst);
break;
+ case Stmt::BlockExprClass:
+ VisitBlockExpr(cast<BlockExpr>(S), Pred, Dst);
+ break;
+
case Stmt::BinaryOperatorClass: {
BinaryOperator* B = cast<BinaryOperator>(S);
@@ -1059,6 +1063,14 @@
// Transfer functions: Loads and stores.
//===----------------------------------------------------------------------===//
+void GRExprEngine::VisitBlockExpr(BlockExpr *BE, ExplodedNode *Pred,
+ ExplodedNodeSet &Dst) {
+ CanQualType T = getContext().getCanonicalType(BE->getType());
+ SVal V = ValMgr.getBlockPointer(BE->getBlockDecl(), T);
+ MakeNode(Dst, BE, Pred, GetState(Pred)->BindExpr(BE, V),
+ ProgramPoint::PostLValueKind);
+}
+
void GRExprEngine::VisitDeclRefExpr(DeclRefExpr *Ex, ExplodedNode *Pred,
ExplodedNodeSet &Dst, bool asLValue) {