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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 vector_length(1)
while(1);
#pragma acc kernels vector_length(1)
while(1);
// expected-error@+1{{OpenACC clause 'vector_length' requires expression of integer type ('struct NotConvertible' invalid}}
#pragma acc parallel vector_length(NC)
while(1);
// expected-error@+2{{OpenACC integer expression has incomplete class type 'struct Incomplete'}}
// expected-note@#INCOMPLETE{{forward declaration of 'Incomplete'}}
#pragma acc kernels vector_length(*SomeIncomplete)
while(1);
#pragma acc parallel vector_length(SomeE)
while(1);
// expected-error@+1{{OpenACC clause 'vector_length' requires expression of integer type ('enum E2' invalid}}
#pragma acc kernels vector_length(SomeE2)
while(1);
#pragma acc parallel vector_length(Convert)
while(1);
// 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 vector_length(Explicit)
while(1);
// 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 vector_length(Ambiguous)
while(1);
}
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 vector_length(HasInt::Invalid)
while (1);
// 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 vector_length(T::Invalid)
while (1);
// 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 vector_length(HasInt::ACValue)
while (1);
// 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 vector_length(T::ACValue)
while (1);
// 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 vector_length(HasInt::EXValue)
while (1);
// 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 vector_length(T::EXValue)
while (1);
#pragma acc parallel vector_length(HasInt::value)
while (1);
#pragma acc kernels vector_length(T::value)
while (1);
#pragma acc parallel vector_length(HasInt::IntTy{})
while (1);
#pragma acc kernels vector_length(typename T::ShortTy{})
while (1);
#pragma acc parallel vector_length(HasInt::IntTy{})
while (1);
#pragma acc kernels vector_length(typename T::ShortTy{})
while (1);
HasInt HI{};
T MyT{};
#pragma acc parallel vector_length(HI)
while (1);
#pragma acc kernels vector_length(MyT)
while (1);
}
void Inst() {
TestInst<HasInt>(); // #INST
}
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