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// RUN: %clang_cc1 %s -fopenacc -verify
struct NotConvertible{} NC;
struct Incomplete *SomeIncomplete; // #INCOMPLETE
enum E{} SomeE;
enum class E2{} SomeE2;
struct CorrectConvert {
operator int();
} Convert;
struct ExplicitConvertOnly {
explicit operator int() const; // #EXPL_CONV
} Explicit;
struct AmbiguousConvert{
operator int(); // #AMBIG_INT
operator short(); // #AMBIG_SHORT
operator float();
} Ambiguous;
void Test() {
#pragma acc parallel loop async
for (int i = 5; i < 10; ++i);
#pragma acc parallel loop async(1)
for (int i = 5; i < 10; ++i);
#pragma acc kernels loop async(-51)
for (int i = 5; i < 10; ++i);
#pragma acc serial loop async(2)
for (int i = 5; i < 10; ++i);
// expected-error@+1{{OpenACC clause 'async' requires expression of integer type ('struct NotConvertible' invalid}}
#pragma acc parallel loop async(NC)
for (int i = 5; i < 10; ++i);
// expected-error@+2{{OpenACC integer expression has incomplete class type 'struct Incomplete'}}
// expected-note@#INCOMPLETE{{forward declaration of 'Incomplete'}}
#pragma acc kernels loop async(*SomeIncomplete)
for (int i = 5; i < 10; ++i);
#pragma acc parallel loop async(SomeE)
for (int i = 5; i < 10; ++i);
// expected-error@+1{{OpenACC clause 'async' requires expression of integer type ('enum E2' invalid}}
#pragma acc kernels loop async(SomeE2)
for (int i = 5; i < 10; ++i);
#pragma acc parallel loop async(Convert)
for (int i = 5; i < 10; ++i);
// expected-error@+2{{OpenACC integer expression requires explicit conversion from 'struct ExplicitConvertOnly' to 'int'}}
// expected-note@#EXPL_CONV{{conversion to integral type 'int'}}
#pragma acc kernels loop async(Explicit)
for (int i = 5; i < 10; ++i);
// expected-error@+3{{multiple conversions from expression type 'struct AmbiguousConvert' to an integral type}}
// expected-note@#AMBIG_INT{{conversion to integral type 'int'}}
// expected-note@#AMBIG_SHORT{{conversion to integral type 'short'}}
#pragma acc parallel loop async(Ambiguous)
for (int i = 5; i < 10; ++i);
}
struct HasInt {
using IntTy = int;
using ShortTy = short;
static constexpr int value = 1;
static constexpr AmbiguousConvert ACValue;
static constexpr ExplicitConvertOnly EXValue;
operator char();
};
template<typename T>
void TestInst() {
// expected-error@+1{{no member named 'Invalid' in 'HasInt'}}
#pragma acc parallel loop async(HasInt::Invalid)
for (int i = 5; i < 10; ++i);
// expected-error@+2{{no member named 'Invalid' in 'HasInt'}}
// expected-note@#INST{{in instantiation of function template specialization 'TestInst<HasInt>' requested here}}
#pragma acc kernels loop async(T::Invalid)
for (int i = 5; i < 10; ++i);
// expected-error@+3{{multiple conversions from expression type 'const AmbiguousConvert' to an integral type}}
// expected-note@#AMBIG_INT{{conversion to integral type 'int'}}
// expected-note@#AMBIG_SHORT{{conversion to integral type 'short'}}
#pragma acc parallel loop async(HasInt::ACValue)
for (int i = 5; i < 10; ++i);
// expected-error@+3{{multiple conversions from expression type 'const AmbiguousConvert' to an integral type}}
// expected-note@#AMBIG_INT{{conversion to integral type 'int'}}
// expected-note@#AMBIG_SHORT{{conversion to integral type 'short'}}
#pragma acc kernels loop async(T::ACValue)
for (int i = 5; i < 10; ++i);
// expected-error@+2{{OpenACC integer expression requires explicit conversion from 'const ExplicitConvertOnly' to 'int'}}
// expected-note@#EXPL_CONV{{conversion to integral type 'int'}}
#pragma acc parallel loop async(HasInt::EXValue)
for (int i = 5; i < 10; ++i);
// expected-error@+2{{OpenACC integer expression requires explicit conversion from 'const ExplicitConvertOnly' to 'int'}}
// expected-note@#EXPL_CONV{{conversion to integral type 'int'}}
#pragma acc kernels loop async(T::EXValue)
for (int i = 5; i < 10; ++i);
#pragma acc parallel loop async(HasInt::value)
for (int i = 5; i < 10; ++i);
#pragma acc kernels loop async(T::value)
for (int i = 5; i < 10; ++i);
#pragma acc parallel loop async(HasInt::IntTy{})
for (int i = 5; i < 10; ++i);
#pragma acc kernels loop async(typename T::ShortTy{})
for (int i = 5; i < 10; ++i);
#pragma acc parallel loop async(HasInt::IntTy{})
for (int i = 5; i < 10; ++i);
#pragma acc kernels loop async(typename T::ShortTy{})
for (int i = 5; i < 10; ++i);
HasInt HI{};
T MyT{};
#pragma acc parallel loop async(HI)
for (int i = 5; i < 10; ++i);
#pragma acc kernels loop async(MyT)
for (int i = 5; i < 10; ++i);
}
void Inst() {
TestInst<HasInt>(); // #INST
}
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