diff --git a/clang/lib/CodeGen/CGExprScalar.cpp b/clang/lib/CodeGen/CGExprScalar.cpp index fce4f111a99e..84adc5fdcff1 100644 --- a/clang/lib/CodeGen/CGExprScalar.cpp +++ b/clang/lib/CodeGen/CGExprScalar.cpp @@ -167,7 +167,14 @@ public: Value *VisitArraySubscriptExpr(ArraySubscriptExpr *E); Value *VisitShuffleVectorExpr(ShuffleVectorExpr *E); - Value *VisitMemberExpr(Expr *E) { return EmitLoadOfLValue(E); } + Value *VisitMemberExpr(MemberExpr *E) { + if (const EnumConstantDecl *EC = + dyn_cast(E->getMemberDecl())) + return llvm::ConstantInt::get(VMContext, EC->getInitVal()); + + return EmitLoadOfLValue(E); + } + Value *VisitExtVectorElementExpr(Expr *E) { return EmitLoadOfLValue(E); } Value *VisitCompoundLiteralExpr(CompoundLiteralExpr *E) { return EmitLoadOfLValue(E); diff --git a/clang/test/CodeGenCXX/member-expressions.cpp b/clang/test/CodeGenCXX/member-expressions.cpp index f90b80733905..223bab55e64a 100644 --- a/clang/test/CodeGenCXX/member-expressions.cpp +++ b/clang/test/CodeGenCXX/member-expressions.cpp @@ -17,3 +17,11 @@ void f() } } + +struct A { + enum E { Foo }; +}; + +void f(A *a) { + A::E e = a->Foo; +}