1 // RUN: %clang_cc1 %s -triple=armv7-apple-darwin10 -emit-llvm -o - -fexceptions -fcxx-exceptions | FileCheck %s
2 
3 // Check that we annotate all compiler-synthesized runtime calls and
4 // functions with the actual ABI-determined CC.  This usually doesn't
5 // matter as long as we're internally consistent (and the LLVM-default
6 // CC is consistent with the real one), but it's possible for user
7 // translation units to define these runtime functions (or, equivalently,
8 // for us to get LTO'ed with such a translation unit), and then the
9 // mismatch will kill us.
10 //
11 // rdar://12818655
12 
13 // CHECK: [[A:%.*]] = type { double }
14 
15 namespace test0 {
16   struct A {
17     double d;
18     A();
19     ~A();
20   };
21 
22   A global;
23 // CHECK-LABEL:    define internal void @__cxx_global_var_init()
24 // CHECK:      call [[A]]* @_ZN5test01AC1Ev([[A]]* @_ZN5test06globalE)
25 // CHECK-NEXT: call i32 @__cxa_atexit(void (i8*)* bitcast ([[A]]* ([[A]]*)* @_ZN5test01AD1Ev to void (i8*)*), i8* bitcast ([[A]]* @_ZN5test06globalE to i8*), i8* @__dso_handle) [[NOUNWIND:#[0-9]+]]
26 // CHECK-NEXT: ret void
27 }
28 
29 // CHECK: declare i32 @__cxa_atexit(void (i8*)*, i8*, i8*) [[NOUNWIND]]
30 
31 namespace test1 {
32   void test() {
33     throw 0;
34   }
35 
36 // CHECK-LABEL:    define void @_ZN5test14testEv()
37 // CHECK:      [[T0:%.*]] = call i8* @__cxa_allocate_exception(i32 4) [[NOUNWIND]]
38 // CHECK-NEXT: [[T1:%.*]] = bitcast i8* [[T0]] to i32*
39 // CHECK-NEXT: store i32 0, i32* [[T1]]
40 // CHECK-NEXT: call void @__cxa_throw(i8* [[T0]], i8* bitcast (i8** @_ZTIi to i8*), i8* null) [[NORETURN:#[0-9]+]]
41 // CHECK-NEXT: unreachable
42 }
43 
44 // CHECK: declare i8* @__cxa_allocate_exception(i32)
45 
46 // CHECK: declare void @__cxa_throw(i8*, i8*, i8*)
47 
48 // CHECK-LABEL: define internal void @_GLOBAL__sub_I_runtimecc.cpp()
49 // CHECK:   call void @__cxx_global_var_init()
50 
51 
52 // CHECK: attributes [[NOUNWIND]] = { nounwind }
53 // CHECK: attributes [[NORETURN]] = { noreturn }
54