105 lines
5.6 KiB
C++
105 lines
5.6 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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typedef enum { XX } EnumType;
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struct S { int x; };
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// Check enumerations. Vector modes on enum types must cause an error.
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template <class T>
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void CheckEnumerations() {
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// Check that non-vector 'mode' attribute is OK with enumeration types.
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typedef T __attribute__((mode(QI))) T1;
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typedef T T2 __attribute__((mode(HI)));
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typedef T __attribute__((mode(V8SI))) T3; // expected-error{{mode 'V8SI' is not supported for enumeration types}}
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// expected-warning@-1{{specifying vector types with the 'mode' attribute is deprecated}}
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typedef enum __attribute__((mode(HI))) { A4, B4 } T4;
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typedef enum { A5, B5 } __attribute__((mode(SI))) T5;
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typedef enum __attribute__((mode(V2SI))) { A6, B6 } T6; // expected-error{{mode 'V2SI' is not supported for enumeration types}}
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// expected-warning@-1{{deprecated}}
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typedef enum { A7, B7 } __attribute__((mode(V2QI))) T7; // expected-error{{mode 'V2QI' is not supported for enumeration types}}
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// expected-warning@-1{{deprecated}}
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}
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// Check that attribute applies only for integer and floating-point types.
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// OK when instantiated with 'int', error with structure types, for example.
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template <class T>
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void CheckPrimitiveTypes() {
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typedef T __attribute__((mode(QI))) T1; // expected-error{{mode attribute only supported for integer and floating-point types}}
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typedef T __attribute__((mode(V2SI))) VT1; // expected-error{{mode attribute only supported for integer and floating-point types}}
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// expected-warning@-1{{specifying vector types with the 'mode' attribute is deprecated}}
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}
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// Check that attribute supports certain modes. Check that wrong machine modes
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// are NOT diagnosed twice during instantiation.
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template <class T>
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void CheckMachineMode() {
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typedef T __attribute__((mode(QI))) T1; // expected-error{{type of machine mode does not match type of base type}}
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typedef T __attribute__((mode(HI))) T2; // expected-error{{type of machine mode does not match type of base type}}
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typedef T __attribute__((mode(SI))) T3; // expected-error{{type of machine mode does not match type of base type}}
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typedef T __attribute__((mode(DI))) T4; // expected-error{{type of machine mode does not match type of base type}}
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typedef T __attribute__((mode(SF))) T5; // expected-error2{{type of machine mode does not match type of base type}}
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typedef T __attribute__((mode(DF))) T6; // expected-error2{{type of machine mode does not match type of base type}}
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typedef T __attribute__((mode(II))) T7; // expected-error{{unknown machine mode}}
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typedef T __attribute__((mode(12))) T8; // expected-error{{'mode' attribute requires an identifier}}
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}
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// Check attributes on function parameters.
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template <class T1, class T2>
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void CheckParameters(T1 __attribute__((mode(SI))) paramSI, // expected-note{{ignored: substitution failure}} expected-note-re{{not viable: no known conversion from '{{.*}}' (vector of 4 '{{.*}}' values) to 'EnumType' for 2nd argument}}
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T1 __attribute__((mode(V4DI))) paramV4DI, // expected-warning{{deprecated}}
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T2 __attribute__((mode(SF))) paramSF,
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T2 __attribute__((mode(V4DF))) paramV4DF) { // expected-warning{{deprecated}}
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}
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// Check dependent structure.
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template <class T>
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struct TemplatedStruct {
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// Check fields.
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T __attribute__((mode(HI))) x1;
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T __attribute__((mode(V4HI))) x2; // expected-error{{mode 'V4HI' is not supported for enumeration types}}
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// expected-warning@-1{{deprecated}}
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// Check typedefs.
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typedef T __attribute__((mode(DI))) T1;
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typedef T __attribute__((mode(V8DI))) T2; // expected-error{{mode 'V8DI' is not supported for enumeration types}}
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// expected-warning@-1{{deprecated}}
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// Check parameters.
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void f1(T __attribute__((mode(QI))) x) {}
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void f2(T __attribute__((mode(SF))) x) {} // expected-error2{{type of machine mode does not match type of base type}}
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void f3(T __attribute__((mode(V4QI))) x) {} // expected-error{{mode 'V4QI' is not supported for enumeration types}}
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// expected-warning@-1{{deprecated}}
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// Check attribute on methods - it is invalid.
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__attribute__((mode(QI))) T g1() { return 0; } // expected-error{{'mode' attribute only applies to variables, enums, typedefs, and non-static data members}}
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};
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int main() {
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CheckEnumerations<int>();
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CheckEnumerations<EnumType>(); // expected-note{{in instantiation of}}
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CheckPrimitiveTypes<int>();
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CheckPrimitiveTypes<S>(); // expected-note{{in instantiation of}}
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// 'II' mode is unknown, no matter what we instantiate with.
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CheckMachineMode<int>(); // expected-note{{in instantiation of}}
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CheckMachineMode<EnumType>(); // expected-note{{in instantiation of}}
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CheckMachineMode<float>(); // expected-note{{in instantiation of}}
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int __attribute__((mode(V4DI))) valV4DI; // expected-warning{{deprecated}}
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float __attribute__((mode(V4DF))) valV4DF; // expected-warning{{deprecated}}
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// OK.
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CheckParameters<int, float>(0, valV4DI, 1.0, valV4DF);
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// Enumeral type with vector mode is invalid.
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CheckParameters<EnumType, float>(0, valV4DI, 1.0, valV4DF); // expected-error{{no matching function for call}}
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// 'V4DF' mode with 'int' type is invalid.
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CheckParameters<int, int>(0, valV4DI, 1, valV4DF); // expected-error{{no matching function for call}}
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TemplatedStruct<int> s1; // expected-note{{in instantiation of}}
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TemplatedStruct<EnumType> s2; // expected-note{{in instantiation of}}
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return 0;
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}
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