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// RUN: %clang_cc1 %s -fopenacc -verify
template<typename Int, typename NotInt, typename ConvertsToInt>
void TemplUses(Int I, NotInt NI, ConvertsToInt CTI) {
#pragma acc loop vector(I)
for(int j = 0; j < 5; ++j);
#pragma acc parallel
#pragma acc loop vector(length: I)
for(int j = 0; j < 5; ++j);
#pragma acc kernels
#pragma acc loop vector(CTI)
for(int j = 0; j < 5; ++j);
// expected-error@+2{{OpenACC clause 'vector' requires expression of integer type ('NoConvert' invalid)}}
#pragma acc kernels
#pragma acc loop vector(length: NI)
for(int j = 0; j < 5; ++j);
// expected-error@+2{{'length' argument on 'vector' clause is not permitted on a 'loop' construct associated with a 'serial' compute construct}}
#pragma acc serial
#pragma acc loop vector(length: I)
for(int j = 0; j < 5; ++j);
// expected-error@+3{{'length' argument to 'vector' clause not allowed on a 'loop' construct associated with a 'kernels' construct that has a 'vector_length' clause}}
// expected-note@+1{{previous 'vector_length' clause is here}}
#pragma acc kernels vector_length(I)
#pragma acc loop vector(length: CTI)
for(int j = 0; j < 5; ++j);
#pragma acc loop vector
for(int i = 0; i < 5; ++i) {
for(int j = 0; j < 5; ++j);
// expected-error@+2{{loop with a 'vector' clause may not exist in the region of a 'vector' clause}}
// expected-note@-4{{previous 'vector' clause is here}}
#pragma acc loop vector
for(int j = 0; j < 5; ++j);
for(int j = 0; j < 5; ++j);
}
#pragma acc loop vector
for(int i = 0; i < 5; ++i) {
for(int j = 0; j < 5; ++j);
// expected-error@+4{{loop with a 'vector' clause may not exist in the region of a 'vector' clause}}
// expected-error@+3{{loop with a 'worker' clause may not exist in the region of a 'vector' clause}}
// expected-error@+2{{loop with a 'gang' clause may not exist in the region of a 'vector' clause}}
// expected-note@-6 3{{previous 'vector' clause is here}}
#pragma acc loop vector, worker, gang
for(int j = 0; j < 5; ++j);
for(int j = 0; j < 5; ++j);
}
#pragma acc loop vector
for(int i = 0; i < 5; ++i) {
#pragma acc serial
#pragma acc loop vector
for(int j = 0; j < 5; ++j);
}
}
struct NoConvert{};
struct Converts{
operator int();
};
void uses() {
TemplUses(5, NoConvert{}, Converts{}); // expected-note{{in instantiation of function template specialization}}
unsigned i;
NoConvert NI;
Converts CTI;
#pragma acc loop vector(i)
for(int j = 0; j < 5; ++j);
#pragma acc parallel
#pragma acc loop vector(length: i)
for(int j = 0; j < 5; ++j);
#pragma acc kernels
#pragma acc loop vector(CTI)
for(int j = 0; j < 5; ++j);
// expected-error@+2{{OpenACC clause 'vector' requires expression of integer type ('NoConvert' invalid)}}
#pragma acc kernels
#pragma acc loop vector(length: NI)
for(int j = 0; j < 5; ++j);
// expected-error@+2{{'length' argument on 'vector' clause is not permitted on a 'loop' construct associated with a 'serial' compute construct}}
#pragma acc serial
#pragma acc loop vector(length: i)
for(int j = 0; j < 5; ++j);
// expected-error@+3{{'length' argument to 'vector' clause not allowed on a 'loop' construct associated with a 'kernels' construct that has a 'vector_length' clause}}
// expected-note@+1{{previous 'vector_length' clause is here}}
#pragma acc kernels vector_length(i)
#pragma acc loop vector(length: i)
for(int j = 0; j < 5; ++j);
#pragma acc loop vector
for(int i = 0; i < 5; ++i) {
for(int j = 0; j < 5; ++j);
// expected-error@+2{{loop with a 'vector' clause may not exist in the region of a 'vector' clause}}
// expected-note@-4{{previous 'vector' clause is here}}
#pragma acc loop vector
for(int j = 0; j < 5; ++j);
for(int j = 0; j < 5; ++j);
}
#pragma acc loop vector
for(int i = 0; i < 5; ++i) {
#pragma acc serial
#pragma acc loop vector
for(int j = 0; j < 5; ++j);
}
#pragma acc loop vector
for(int i = 0; i < 5; ++i) {
for(int j = 0; j < 5; ++j);
// expected-error@+4{{loop with a 'vector' clause may not exist in the region of a 'vector' clause}}
// expected-error@+3{{loop with a 'worker' clause may not exist in the region of a 'vector' clause}}
// expected-error@+2{{loop with a 'gang' clause may not exist in the region of a 'vector' clause}}
// expected-note@-6 3{{previous 'vector' clause is here}}
#pragma acc loop vector, worker, gang
for(int j = 0; j < 5; ++j);
for(int j = 0; j < 5; ++j);
}
#pragma acc loop vector
for(int i = 0; i < 5; ++i) {
#pragma acc serial
#pragma acc loop vector, worker, gang
for(int j = 0; j < 5; ++j);
}
}
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