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// RUN: %clang_cc1 -emit-llvm %s -o - -triple x86_64-unknown-unknown -fms-extensions | FileCheck %s
// rdar://17784718
typedef struct _GUID
{
unsigned int Data1;
unsigned short Data2;
unsigned short Data3;
unsigned char Data4[ 8 ];
} GUID;
template < typename T, const GUID & T_iid = __uuidof(T)>
class UUIDTest
{
public:
UUIDTest() { }
};
struct __declspec(uuid("EAFA1952-66F8-438B-8FBA-AF1BBAE42191")) TestStruct
{
int foo;
};
struct __declspec(uuid("EAFA1952-66F8-438B-8FBA-AF1BBAE42191")) OtherStruct {};
template <class T> void test_uuidofType(void *arg[sizeof(__uuidof(T))] = 0) {}
template <class T> void test_uuidofExpr(void *arg[sizeof(__uuidof(typename T::member))] = 0) {}
struct HasMember { typedef TestStruct member; };
template<const GUID&> struct UUIDTestTwo { UUIDTestTwo(); };
int main(int argc, const char * argv[])
{
UUIDTest<TestStruct> uuidof_test;
// Note that these variables have the same type, so the mangling of that
// type had better not mention TestStruct or OtherStruct!
UUIDTestTwo<__uuidof(TestStruct)> uuidof_test2;
UUIDTestTwo<__uuidof(OtherStruct)> uuidof_test3;
test_uuidofType<TestStruct>();
test_uuidofExpr<HasMember>();
return 0;
}
// CHECK: define i32 @main
// CHECK: call void @_ZN8UUIDTestI10TestStructL_Z42_GUID_eafa1952_66f8_438b_8fba_af1bbae42191EEC1Ev
// CHECK: call void @_ZN11UUIDTestTwoIL_Z42_GUID_eafa1952_66f8_438b_8fba_af1bbae42191EEC1Ev
// CHECK: call void @_ZN11UUIDTestTwoIL_Z42_GUID_eafa1952_66f8_438b_8fba_af1bbae42191EEC1Ev
// CHECK: call void @_Z15test_uuidofTypeI10TestStructEvPPv(i8** null)
// CHECK: call void @_Z15test_uuidofExprI9HasMemberEvPPv(i8** null)
// CHECK: define linkonce_odr void @_ZN8UUIDTestI10TestStructL_Z42_GUID_eafa1952_66f8_438b_8fba_af1bbae42191EEC1Ev
// CHECK: define linkonce_odr void @_Z15test_uuidofTypeI10TestStructEvPPv
// CHECK: define linkonce_odr void @_Z15test_uuidofExprI9HasMemberEvPPv
// CHECK: define linkonce_odr void @_ZN8UUIDTestI10TestStructL_Z42_GUID_eafa1952_66f8_438b_8fba_af1bbae42191EEC2Ev
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