diff --git a/clang/lib/Analysis/LiveVariables.cpp b/clang/lib/Analysis/LiveVariables.cpp index e0b3f1992cf108e104ce7d21d8a7fae9af168d8a..9b0f09e54e36c095b5a8476ad02a44f10ea7278c 100644 --- a/clang/lib/Analysis/LiveVariables.cpp +++ b/clang/lib/Analysis/LiveVariables.cpp @@ -121,8 +121,9 @@ public: void VisitBinaryOperator(BinaryOperator* B); void VisitAssign(BinaryOperator* B); void VisitDeclStmt(DeclStmt* DS); + void VisitObjCForCollectionStmt(ObjCForCollectionStmt* S); void VisitUnaryOperator(UnaryOperator* U); - void Visit(Stmt *S); + void Visit(Stmt *S); void VisitTerminator(CFGBlock* B); void SetTopValue(LiveVariables::ValTy& V) { @@ -175,6 +176,21 @@ void TransferFuncs::VisitBinaryOperator(BinaryOperator* B) { else VisitStmt(B); } +void TransferFuncs::VisitObjCForCollectionStmt(ObjCForCollectionStmt* S) { + Stmt* Element = S->getElement(); + + if (DeclStmt* DS = dyn_cast(Element)) { + VisitDeclStmt(DS); + return; + } + + // This represents a 'kill' for the variable. + DeclRefExpr* DR = cast(Element); + LiveState(cast(DR->getDecl()), AD) = Dead; + if (AD.Observer) { AD.Observer->ObserverKill(DR); } +} + + void TransferFuncs::VisitUnaryOperator(UnaryOperator* U) { Expr *E = U->getSubExpr();