14967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar// RUN: %clang_cc1 -fsyntax-only -verify %s 24967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar 34967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar// Test checks that 'mode' attribute is handled correctly with enums, i. e. code 44967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar// 1. "typedef enum { A } __attribute__((mode(HI))) T;" is accepted, 54967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar// 2. "enum X __attribute__((mode(QI))) var;" forms a complete integer type. 64967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar// 3. "enum { A } __attribute__((mode(V4SI))) var;" is not accepted (vector mode). 74967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar 84967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainartypedef enum { E4 } EnumType; 94967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar 104967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainarint main() { 114967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar // Vector mode are not allowed with enums. 124967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar typedef enum { E1 } __attribute__((mode(V4QI))) RejectedType1; // expected-error{{mode 'V4QI' is not supported for enumeration types}} 134967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar // expected-warning@-1{{specifying vector types with the 'mode' attribute is deprecated}} 144967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar typedef enum __attribute__((mode(V8HI))) { E2 } RejectedType2; // expected-error{{mode 'V8HI' is not supported for enumeration types}} 154967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar // expected-warning@-1{{deprecated}} 164967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar typedef enum E3 __attribute__((mode(V2SI))) RejectedType3; // expected-error{{mode 'V2SI' is not supported for enumeration types}} 174967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar // expected-warning@-1{{deprecated}} 184967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar typedef EnumType __attribute__((mode(V4DI))) RejectedType4; // expected-error{{mode 'V4DI' is not supported for enumeration types}} 194967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar // expected-warning@-1{{deprecated}} 204967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar EnumType v1 __attribute__((mode(V4QI))); // expected-error{{mode 'V4QI' is not supported for enumeration types}} 214967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar // expected-warning@-1{{deprecated}} 224967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar enum __attribute__((mode(V8HI))) { E5 } v2; // expected-error{{mode 'V8HI' is not supported for enumeration types}} 234967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar // expected-warning@-1{{deprecated}} 244967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar 254967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar // Incomplete enums without mode attribute are not allowed. 264967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar typedef enum Y IncompleteYType; // expected-note{{forward declaration of 'enum Y'}} 274967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar 284967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar enum X a1; // expected-error{{variable has incomplete type 'enum X'}} 294967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar // expected-note@-1{{forward declaration of 'enum X'}} 304967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar IncompleteYType a2; // expected-error{{variable has incomplete type 'IncompleteYType' (aka 'enum Y')}} 314967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar 324967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar // OK with 'mode' attribute. 334967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar typedef enum Y __attribute__((mode(QI))) CompleteYType1; 344967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar typedef enum Y CompleteYType2 __attribute__((mode(HI))); 354967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar typedef enum { A1, B1 } __attribute__((mode(QI))) CompleteType3; 364967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar typedef enum { A2, B2 } CompleteType4 __attribute__((mode(QI))); 374967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar typedef enum __attribute__((mode(QI))) { A3, B3 } CompleteType5; 384967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar 394967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar enum X __attribute__((mode(QI))) a3; 404967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar enum X a4 __attribute__((mode(HI))); 414967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar IncompleteYType __attribute__((mode(QI))) a5; 424967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar IncompleteYType a6 __attribute__((mode(HI))); 434967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar CompleteYType1 a7; 444967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar CompleteYType2 a8; 454967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar CompleteType3 a9; 464967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar CompleteType4 a10; 474967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar CompleteType5 a11; 484967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar enum __attribute__((mode(QI))) { A4, B4 } a12; 494967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar 504967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar return 0; 514967a710c84587c654b56c828382219c3937dacbPirama Arumuga Nainar} 52