1// RUN: %clang_cc1 -emit-llvm %s -o - -triple x86_64-unknown-unknown -fms-extensions | FileCheck %s
2// rdar://17784718
3
4typedef struct _GUID
5{
6    unsigned int  Data1;
7    unsigned short Data2;
8    unsigned short Data3;
9    unsigned char  Data4[ 8 ];
10} GUID;
11
12
13template < typename T, const GUID & T_iid = __uuidof(T)>
14class UUIDTest
15{
16public:
17	UUIDTest() { }
18};
19
20struct __declspec(uuid("EAFA1952-66F8-438B-8FBA-AF1BBAE42191")) TestStruct
21{
22	int foo;
23};
24
25template <class T> void test_uuidofType(void *arg[sizeof(__uuidof(T))] = 0) {}
26
27template <class T> void test_uuidofExpr(void *arg[sizeof(__uuidof(T::member))] = 0) {}
28
29struct HasMember { typedef TestStruct member; };
30
31int main(int argc, const char * argv[])
32{
33
34    UUIDTest<TestStruct> uuidof_test;
35    test_uuidofType<TestStruct>();
36    test_uuidofExpr<HasMember>();
37    return 0;
38}
39
40// CHECK: define i32 @main
41// CHECK: call void @_ZN8UUIDTestI10TestStructXu8__uuidoftS0_EEC1Ev
42// CHECK: call void @_Z15test_uuidofTypeI10TestStructEvPPv(i8** null)
43// CHECK: call void @_Z15test_uuidofExprI9HasMemberEvPPv(i8** null)
44
45// CHECK: define linkonce_odr void @_ZN8UUIDTestI10TestStructXu8__uuidoftS0_EEC1Ev
46// CHECK: define linkonce_odr void @_Z15test_uuidofTypeI10TestStructEvPPv
47// CHECK: define linkonce_odr void @_Z15test_uuidofExprI9HasMemberEvPPv
48// CHECK: define linkonce_odr void @_ZN8UUIDTestI10TestStructXu8__uuidoftS0_EEC2Ev
49