When a failed dynamic_cast<T&> (which is an lvalue) results in a
throw, it should use invoke when needed. The fixes the
Boost.Statechrt failures that motivated PR7132, but there are a few
side issues to tackle as well.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@103803 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/dynamic-cast.cpp b/test/CodeGenCXX/dynamic-cast.cpp
index aeb2a64..572b521 100644
--- a/test/CodeGenCXX/dynamic-cast.cpp
+++ b/test/CodeGenCXX/dynamic-cast.cpp
@@ -1,8 +1,20 @@
-// RUN: %clang_cc1 %s -emit-llvm-only
-
+// RUN: %clang_cc1 %s -triple x86_64-apple-darwin10 -emit-llvm -fexceptions -o - | FileCheck %s
+#include <typeinfo>
struct A { virtual void f(); };
struct B : A { };
+// CHECK: {{define.*@_Z1fP1A}}
+B fail;
const B& f(A *a) {
- return dynamic_cast<const B&>(*a);
+ try {
+ // CHECK: call i8* @__dynamic_cast
+ // CHECK: br i1
+ // CHECK: invoke void @__cxa_bad_cast() noreturn
+ return dynamic_cast<const B&>(*a);
+ } catch (std::bad_cast&) {
+ // CHECK: call i8* @llvm.eh.exception
+ // CHECK: {{call.*llvm.eh.selector.*_ZTISt8bad_cast}}
+ // CHECK: {{call i32 @llvm.eh.typeid.for.*@_ZTISt8bad_cast}}
+ }
+ return fail;
}