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| // RUN: %clang_cc1 -fsyntax-only -verify %s
// Test checks that 'mode' attribute is handled correctly with enums, i. e. code
// 1. "typedef enum { A } __attribute__((mode(HI))) T;" is accepted,
// 2. "enum X __attribute__((mode(QI))) var;" forms a complete integer type.
// 3. "enum { A } __attribute__((mode(V4SI))) var;" is not accepted (vector mode).
typedef enum { E4 } EnumType;
int main() {
// Vector mode are not allowed with enums.
typedef enum { E1 } __attribute__((mode(V4QI))) RejectedType1; // expected-error{{mode 'V4QI' is not supported for enumeration types}}
// expected-warning@-1{{specifying vector types with the 'mode' attribute is deprecated}}
typedef enum __attribute__((mode(V8HI))) { E2 } RejectedType2; // expected-error{{mode 'V8HI' is not supported for enumeration types}}
// expected-warning@-1{{deprecated}}
typedef enum E3 __attribute__((mode(V2SI))) RejectedType3; // expected-error{{mode 'V2SI' is not supported for enumeration types}}
// expected-warning@-1{{deprecated}}
typedef EnumType __attribute__((mode(V4DI))) RejectedType4; // expected-error{{mode 'V4DI' is not supported for enumeration types}}
// expected-warning@-1{{deprecated}}
EnumType v1 __attribute__((mode(V4QI))); // expected-error{{mode 'V4QI' is not supported for enumeration types}}
// expected-warning@-1{{deprecated}}
enum __attribute__((mode(V8HI))) { E5 } v2; // expected-error{{mode 'V8HI' is not supported for enumeration types}}
// expected-warning@-1{{deprecated}}
// Incomplete enums without mode attribute are not allowed.
typedef enum Y IncompleteYType; // expected-note{{forward declaration of 'enum Y'}}
enum X a1; // expected-error{{variable has incomplete type 'enum X'}}
// expected-note@-1{{forward declaration of 'enum X'}}
IncompleteYType a2; // expected-error{{variable has incomplete type 'IncompleteYType' (aka 'enum Y')}}
// OK with 'mode' attribute.
typedef enum Y __attribute__((mode(QI))) CompleteYType1;
typedef enum Y CompleteYType2 __attribute__((mode(HI)));
typedef enum { A1, B1 } __attribute__((mode(QI))) CompleteType3;
typedef enum { A2, B2 } CompleteType4 __attribute__((mode(QI)));
typedef enum __attribute__((mode(QI))) { A3, B3 } CompleteType5;
enum X __attribute__((mode(QI))) a3;
enum X a4 __attribute__((mode(HI)));
IncompleteYType __attribute__((mode(QI))) a5;
IncompleteYType a6 __attribute__((mode(HI)));
CompleteYType1 a7;
CompleteYType2 a8;
CompleteType3 a9;
CompleteType4 a10;
CompleteType5 a11;
enum __attribute__((mode(QI))) { A4, B4 } a12;
return 0;
}
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