xref: /aosp_15_r20/external/clang/test/CodeGenCXX/dynamic-cast.cpp (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -I%S %s -triple x86_64-apple-darwin10 -emit-llvm -fcxx-exceptions -fexceptions -o - | FileCheck %s
2*67e74705SXin Li struct A { virtual void f(); };
3*67e74705SXin Li struct B : A { };
4*67e74705SXin Li 
5*67e74705SXin Li // CHECK: {{define.*@_Z1fP1A}}
6*67e74705SXin Li // CHECK-SAME:  personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*)
7*67e74705SXin Li B fail;
f(A * a)8*67e74705SXin Li const B& f(A *a) {
9*67e74705SXin Li   try {
10*67e74705SXin Li     // CHECK: call i8* @__dynamic_cast
11*67e74705SXin Li     // CHECK: br i1
12*67e74705SXin Li     // CHECK: invoke void @__cxa_bad_cast() [[NR:#[0-9]+]]
13*67e74705SXin Li     dynamic_cast<const B&>(*a);
14*67e74705SXin Li   } catch (...) {
15*67e74705SXin Li     // CHECK:      landingpad { i8*, i32 }
16*67e74705SXin Li     // CHECK-NEXT:   catch i8* null
17*67e74705SXin Li   }
18*67e74705SXin Li   return fail;
19*67e74705SXin Li }
20*67e74705SXin Li 
21*67e74705SXin Li // CHECK: declare i8* @__dynamic_cast(i8*, i8*, i8*, i64) [[NUW_RO:#[0-9]+]]
22*67e74705SXin Li 
23*67e74705SXin Li // CHECK: attributes [[NUW_RO]] = { nounwind readonly }
24*67e74705SXin Li // CHECK: attributes [[NR]] = { noreturn }
25