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// RUN: %clang_cc1 %s -fopenacc -verify
struct ExplicitConvertOnly {
explicit operator int() const; // #EXPL_CONV
} Explicit;
struct AmbiguousConvert{
operator int(); // #AMBIG_INT
operator short(); // #AMBIG_SHORT
operator float();
} Ambiguous;
void Test() {
// 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 wait(Ambiguous)
while (true);
// 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 parallel wait(4, Explicit, 5)
while (true);
// 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 wait(queues: Ambiguous, 5)
while (true);
// 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 parallel wait(devnum: Explicit: 5)
while (true);
// 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 parallel wait(devnum: Explicit:queues: 5)
while (true);
// expected-error@+1{{use of undeclared identifier 'queues'}}
#pragma acc parallel wait(devnum: queues: 5)
while (true);
}
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() {
#pragma acc parallel wait(T{})
while (true);
#pragma acc parallel wait(devnum:typename T::ShortTy{}:queues:typename T::IntTy{})
while (true);
// expected-error@+4{{multiple conversions from expression type 'const AmbiguousConvert' to an integral type}}
// expected-note@#INST{{in instantiation of function template specialization}}
// expected-note@#AMBIG_INT{{conversion to integral type 'int'}}
// expected-note@#AMBIG_SHORT{{conversion to integral type 'short'}}
#pragma acc parallel wait(devnum:T::value :queues:T::ACValue)
while (true);
// expected-error@+5{{OpenACC integer expression requires explicit conversion from 'const ExplicitConvertOnly' to 'int'}}
// expected-note@#EXPL_CONV{{conversion to integral type 'int'}}
// 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 wait(devnum:T::EXValue :queues:T::ACValue)
while (true);
// expected-error@+5{{OpenACC integer expression requires explicit conversion from 'const ExplicitConvertOnly' to 'int'}}
// expected-note@#EXPL_CONV{{conversion to integral type 'int'}}
// 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 wait(T::EXValue, T::ACValue)
while (true);
// expected-error@+5{{OpenACC integer expression requires explicit conversion from 'const ExplicitConvertOnly' to 'int'}}
// expected-note@#EXPL_CONV{{conversion to integral type 'int'}}
// 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 wait(queues: T::EXValue, T::ACValue)
while (true);
// expected-error@+1{{no member named 'Invalid' in 'HasInt'}}
#pragma acc parallel wait(queues: T::Invalid, T::Invalid2)
while (true);
}
void Inst() {
TestInst<HasInt>(); // #INST
}
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