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| 1 | +// RUN: %clang_cc1 %s -fopenacc -verify |
| 2 | + |
| 3 | +struct NotConvertible{} NC; |
| 4 | +struct Incomplete *SomeIncomplete; // #INCOMPLETE |
| 5 | +enum E{} SomeE; |
| 6 | +enum class E2{} SomeE2; |
| 7 | + |
| 8 | +struct CorrectConvert { |
| 9 | + operator int(); |
| 10 | +} Convert; |
| 11 | + |
| 12 | +struct ExplicitConvertOnly { |
| 13 | + explicit operator int() const; // #EXPL_CONV |
| 14 | +} Explicit; |
| 15 | + |
| 16 | +struct AmbiguousConvert{ |
| 17 | + operator int(); // #AMBIG_INT |
| 18 | + operator short(); // #AMBIG_SHORT |
| 19 | + operator float(); |
| 20 | +} Ambiguous; |
| 21 | + |
| 22 | +void Test() { |
| 23 | +#pragma acc parallel loop async |
| 24 | + for (int i = 5; i < 10; ++i); |
| 25 | +#pragma acc parallel loop async(1) |
| 26 | + for (int i = 5; i < 10; ++i); |
| 27 | +#pragma acc kernels loop async(-51) |
| 28 | + for (int i = 5; i < 10; ++i); |
| 29 | +#pragma acc serial loop async(2) |
| 30 | + for (int i = 5; i < 10; ++i); |
| 31 | + |
| 32 | + // expected-error@+1{{OpenACC clause 'async' requires expression of integer type ('struct NotConvertible' invalid}} |
| 33 | +#pragma acc parallel loop async(NC) |
| 34 | + for (int i = 5; i < 10; ++i); |
| 35 | + |
| 36 | + // expected-error@+2{{OpenACC integer expression has incomplete class type 'struct Incomplete'}} |
| 37 | + // expected-note@#INCOMPLETE{{forward declaration of 'Incomplete'}} |
| 38 | +#pragma acc kernels loop async(*SomeIncomplete) |
| 39 | + for (int i = 5; i < 10; ++i); |
| 40 | + |
| 41 | +#pragma acc parallel loop async(SomeE) |
| 42 | + for (int i = 5; i < 10; ++i); |
| 43 | + |
| 44 | + // expected-error@+1{{OpenACC clause 'async' requires expression of integer type ('enum E2' invalid}} |
| 45 | +#pragma acc kernels loop async(SomeE2) |
| 46 | + for (int i = 5; i < 10; ++i); |
| 47 | + |
| 48 | +#pragma acc parallel loop async(Convert) |
| 49 | + for (int i = 5; i < 10; ++i); |
| 50 | + |
| 51 | + // expected-error@+2{{OpenACC integer expression type 'struct ExplicitConvertOnly' requires explicit conversion to 'int'}} |
| 52 | + // expected-note@#EXPL_CONV{{conversion to integral type 'int'}} |
| 53 | +#pragma acc kernels loop async(Explicit) |
| 54 | + for (int i = 5; i < 10; ++i); |
| 55 | + |
| 56 | + // expected-error@+3{{multiple conversions from expression type 'struct AmbiguousConvert' to an integral type}} |
| 57 | + // expected-note@#AMBIG_INT{{conversion to integral type 'int'}} |
| 58 | + // expected-note@#AMBIG_SHORT{{conversion to integral type 'short'}} |
| 59 | +#pragma acc parallel loop async(Ambiguous) |
| 60 | + for (int i = 5; i < 10; ++i); |
| 61 | +} |
| 62 | + |
| 63 | +struct HasInt { |
| 64 | + using IntTy = int; |
| 65 | + using ShortTy = short; |
| 66 | + static constexpr int value = 1; |
| 67 | + static constexpr AmbiguousConvert ACValue; |
| 68 | + static constexpr ExplicitConvertOnly EXValue; |
| 69 | + |
| 70 | + operator char(); |
| 71 | +}; |
| 72 | + |
| 73 | +template<typename T> |
| 74 | +void TestInst() { |
| 75 | + |
| 76 | + // expected-error@+1{{no member named 'Invalid' in 'HasInt'}} |
| 77 | +#pragma acc parallel loop async(HasInt::Invalid) |
| 78 | + for (int i = 5; i < 10; ++i); |
| 79 | + |
| 80 | + // expected-error@+2{{no member named 'Invalid' in 'HasInt'}} |
| 81 | + // expected-note@#INST{{in instantiation of function template specialization 'TestInst<HasInt>' requested here}} |
| 82 | +#pragma acc kernels loop async(T::Invalid) |
| 83 | + for (int i = 5; i < 10; ++i); |
| 84 | + |
| 85 | + // expected-error@+3{{multiple conversions from expression type 'const AmbiguousConvert' to an integral type}} |
| 86 | + // expected-note@#AMBIG_INT{{conversion to integral type 'int'}} |
| 87 | + // expected-note@#AMBIG_SHORT{{conversion to integral type 'short'}} |
| 88 | +#pragma acc parallel loop async(HasInt::ACValue) |
| 89 | + for (int i = 5; i < 10; ++i); |
| 90 | + |
| 91 | + // expected-error@+3{{multiple conversions from expression type 'const AmbiguousConvert' to an integral type}} |
| 92 | + // expected-note@#AMBIG_INT{{conversion to integral type 'int'}} |
| 93 | + // expected-note@#AMBIG_SHORT{{conversion to integral type 'short'}} |
| 94 | +#pragma acc kernels loop async(T::ACValue) |
| 95 | + for (int i = 5; i < 10; ++i); |
| 96 | + |
| 97 | + // expected-error@+2{{OpenACC integer expression type 'const ExplicitConvertOnly' requires explicit conversion to 'int'}} |
| 98 | + // expected-note@#EXPL_CONV{{conversion to integral type 'int'}} |
| 99 | +#pragma acc parallel loop async(HasInt::EXValue) |
| 100 | + for (int i = 5; i < 10; ++i); |
| 101 | + |
| 102 | + // expected-error@+2{{OpenACC integer expression type 'const ExplicitConvertOnly' requires explicit conversion to 'int'}} |
| 103 | + // expected-note@#EXPL_CONV{{conversion to integral type 'int'}} |
| 104 | +#pragma acc kernels loop async(T::EXValue) |
| 105 | + for (int i = 5; i < 10; ++i); |
| 106 | + |
| 107 | +#pragma acc parallel loop async(HasInt::value) |
| 108 | + for (int i = 5; i < 10; ++i); |
| 109 | + |
| 110 | +#pragma acc kernels loop async(T::value) |
| 111 | + for (int i = 5; i < 10; ++i); |
| 112 | + |
| 113 | +#pragma acc parallel loop async(HasInt::IntTy{}) |
| 114 | + for (int i = 5; i < 10; ++i); |
| 115 | + |
| 116 | +#pragma acc kernels loop async(typename T::ShortTy{}) |
| 117 | + for (int i = 5; i < 10; ++i); |
| 118 | + |
| 119 | +#pragma acc parallel loop async(HasInt::IntTy{}) |
| 120 | + for (int i = 5; i < 10; ++i); |
| 121 | + |
| 122 | +#pragma acc kernels loop async(typename T::ShortTy{}) |
| 123 | + for (int i = 5; i < 10; ++i); |
| 124 | + |
| 125 | + HasInt HI{}; |
| 126 | + T MyT{}; |
| 127 | + |
| 128 | +#pragma acc parallel loop async(HI) |
| 129 | + for (int i = 5; i < 10; ++i); |
| 130 | + |
| 131 | +#pragma acc kernels loop async(MyT) |
| 132 | + for (int i = 5; i < 10; ++i); |
| 133 | +} |
| 134 | + |
| 135 | +void Inst() { |
| 136 | + TestInst<HasInt>(); // #INST |
| 137 | +} |
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