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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;
short some_short();
int some_int();
long some_long();
void Test() {
#pragma acc kernels num_gangs(1)
while(1);
// expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'serial' directive}}
#pragma acc serial num_gangs(1)
while(1);
#pragma acc parallel num_gangs(1)
while(1);
// expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'serial' directive}}
#pragma acc serial num_gangs(some_short(), some_int(), some_long())
while(1);
#pragma acc parallel num_gangs(some_short(), some_int(), some_long())
while(1);
// expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'serial' directive}}
#pragma acc serial num_gangs(some_short(), some_int(), some_long(), SomeE)
while(1);
// expected-error@+1{{too many integer expression arguments provided to OpenACC 'num_gangs' clause: 'parallel' directive expects maximum of 3, 4 were provided}}
#pragma acc parallel num_gangs(some_short(), some_int(), some_long(), SomeE)
while(1);
// expected-error@+1{{too many integer expression arguments provided to OpenACC 'num_gangs' clause: 'kernels' directive expects maximum of 1, 2 were provided}}
#pragma acc kernels num_gangs(1, 2)
while(1);
// expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'serial' directive}}
#pragma acc serial num_gangs(1, 2)
while(1);
#pragma acc parallel num_gangs(1, 2)
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 num_gangs(Ambiguous)
while(1);
// expected-error@+1{{OpenACC clause 'num_gangs' requires expression of integer type ('struct NotConvertible' invalid)}}
#pragma acc parallel num_gangs(NC, SomeE)
while(1);
// expected-error@+1{{OpenACC clause 'num_gangs' requires expression of integer type ('struct NotConvertible' invalid)}}
#pragma acc parallel num_gangs(SomeE, NC)
while(1);
// expected-error@+3{{OpenACC integer expression requires explicit conversion from 'struct ExplicitConvertOnly' to 'int'}}
// expected-note@#EXPL_CONV{{conversion to integral type 'int'}}
// expected-error@+1{{OpenACC clause 'num_gangs' requires expression of integer type ('struct NotConvertible' invalid)}}
#pragma acc parallel num_gangs(Explicit, NC)
while(1);
// expected-error@+4{{OpenACC integer expression requires explicit conversion from 'struct ExplicitConvertOnly' to 'int'}}
// expected-note@#EXPL_CONV{{conversion to integral type 'int'}}
// expected-error@+2{{OpenACC clause 'num_gangs' requires expression of integer type ('struct NotConvertible' invalid)}}
// expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'serial' directive}}
#pragma acc serial num_gangs(Explicit, NC)
while(1);
// expected-error@+6{{OpenACC integer expression requires explicit conversion from 'struct ExplicitConvertOnly' to 'int'}}
// expected-note@#EXPL_CONV{{conversion to integral type 'int'}}
// expected-error@+4{{OpenACC clause 'num_gangs' requires expression of integer type ('struct NotConvertible' invalid)}}
// 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 num_gangs(Explicit, NC, Ambiguous)
while(1);
// expected-error@+7{{OpenACC integer expression requires explicit conversion from 'struct ExplicitConvertOnly' to 'int'}}
// expected-note@#EXPL_CONV{{conversion to integral type 'int'}}
// expected-error@+5{{OpenACC clause 'num_gangs' requires expression of integer type ('struct NotConvertible' invalid)}}
// expected-error@+4{{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'}}
// expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'serial' directive}}
#pragma acc serial num_gangs(Explicit, NC, 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 serial num_gangs(HasInt::Invalid)
while(1);
// expected-error@+2{{no member named 'Invalid' in 'HasInt'}}
// expected-note@#INST{{in instantiation of function template specialization}}
#pragma acc parallel num_gangs(T::Invalid)
while(1);
// expected-error@+1{{no member named 'Invalid' in 'HasInt'}}
#pragma acc parallel num_gangs(1, HasInt::Invalid)
while(1);
// expected-error@+1{{no member named 'Invalid' in 'HasInt'}}
#pragma acc parallel num_gangs(T::Invalid, 1)
while(1);
// expected-error@+1{{no member named 'Invalid' in 'HasInt'}}
#pragma acc serial num_gangs(1, HasInt::Invalid)
while(1);
// expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'serial' directive}}
#pragma acc serial num_gangs(T::Invalid, 1)
while(1);
#pragma acc parallel num_gangs(T::value, typename T::IntTy{})
while(1);
// expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'serial' directive}}
#pragma acc serial num_gangs(T::value, typename T::IntTy{})
while(1);
}
void Inst() {
TestInst<HasInt>(); // #INST
}
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