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// RUN: %clang_cc1 %s -fopenacc -verify
struct CompositeOfScalars {
int I;
float F;
short J;
char C;
double D;
};
struct CompositeHasComposite {
int I;
float F;
short J;
char C;
double D;
struct CompositeOfScalars COS; // #COS_FIELD
};
void uses(unsigned Parm) {
float Var;
int IVar;
#pragma acc parallel reduction(+:Parm)
while (1);
#pragma acc serial reduction(+:Parm)
while (1);
// expected-error@+1{{OpenACC 'reduction' clause is not valid on 'kernels' directive}}
#pragma acc kernels reduction(+:Parm)
while (1);
// On a 'parallel', 'num_gangs' cannot have >1 args. num_gangs not valid on
// 'serial', but 'reduction' not valid on 'kernels', other combos cannot be
// tested.
#pragma acc parallel reduction(+:Parm) num_gangs(IVar)
while (1);
#pragma acc parallel num_gangs(IVar) reduction(+:Var)
while (1);
// expected-error@+2{{OpenACC 'num_gangs' clause with more than 1 argument may not appear on a 'parallel' construct with a 'reduction' clause}}
// expected-note@+1{{previous 'reduction' clause is here}}
#pragma acc parallel reduction(+:Parm) num_gangs(Parm, IVar)
while (1);
// expected-error@+2{{OpenACC 'reduction' clause may not appear on a 'parallel' construct with a 'num_gangs' clause with more than 1 argument}}
// expected-note@+1{{previous 'num_gangs' clause is here}}
#pragma acc parallel num_gangs(Parm, IVar) reduction(+:Var)
while (1);
#pragma acc parallel reduction(+:Parm) reduction(+:Parm)
while (1);
struct CompositeOfScalars CoS;
struct CompositeOfScalars *CoSPtr;
struct CompositeHasComposite ChC;
struct CompositeHasComposite *ChCPtr;
int I;
float F;
int Array[5];
// Vars in a reduction must be a scalar or a composite of scalars.
#pragma acc parallel reduction(&: CoS, I, F)
while (1);
// expected-error@+3{{invalid type 'struct CompositeOfScalars' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@#COS_FIELD{{used as field 'COS' of composite 'CompositeHasComposite'}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(&: ChC)
while (1);
#pragma acc parallel reduction(&: Array)
while (1);
#pragma acc parallel reduction(&: CoS, Array[I], Array[0:I])
while (1);
// expected-error@+1{{OpenACC variable is not a valid variable name, sub-array, array element, or composite variable member}}
#pragma acc parallel reduction(&: CoS.I)
while (1);
// expected-error@+1{{OpenACC variable is not a valid variable name, sub-array, array element, or composite variable member}}
#pragma acc parallel reduction(&: CoSPtr->I)
while (1);
// expected-error@+1{{OpenACC variable is not a valid variable name, sub-array, array element, or composite variable member}}
#pragma acc parallel reduction(&: ChC.COS)
while (1);
// expected-error@+1{{OpenACC variable is not a valid variable name, sub-array, array element, or composite variable member}}
#pragma acc parallel reduction(&: ChCPtr->COS)
while (1);
CompositeHasComposite CoCArr[5];
// expected-error@+4{{invalid type 'struct CompositeOfScalars' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@+3{{used as element type of array type 'CompositeHasComposite[5]'}}
// expected-note@#COS_FIELD{{used as field 'COS' of composite 'CompositeHasComposite'}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:CoCArr)
while (1);
// expected-error@+3{{invalid type 'struct CompositeOfScalars' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@#COS_FIELD{{used as field 'COS' of composite 'CompositeHasComposite'}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:CoCArr[3])
while (1);
// expected-error@+3{{invalid type 'struct CompositeOfScalars' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@#COS_FIELD{{used as field 'COS' of composite 'CompositeHasComposite'}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:CoCArr[1:1])
while (1);
int *IPtr;
// expected-error@+2{{invalid type 'int *' used in OpenACC 'reduction' variable reference; type is not a scalar value, or array of scalars, or composite of scalars}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:IPtr)
while (1);
#pragma acc parallel reduction(+:IPtr[1])
while (1);
#pragma acc parallel reduction(+:IPtr[1:1])
while (1);
int *IPtrArr[5];
// expected-error@+3{{invalid type 'int *' used in OpenACC 'reduction' variable reference; type is not a scalar value, or array of scalars, or composite of scalars}}
// expected-note@+2{{used as element type of array type 'int *[5]'}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:IPtrArr)
while (1);
struct HasPtr { int *I; }; // #HASPTR
HasPtr HP;
// expected-error@+3{{invalid type 'int *' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@#HASPTR{{used as field 'I' of composite 'HasPtr'}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:HP)
while (1);
HasPtr HPArr[5];
// expected-error@+4{{invalid type 'int *' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@+3{{used as element type of array type 'HasPtr[5]'}}
// expected-note@#HASPTR{{used as field 'I' of composite 'HasPtr'}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:HPArr)
while (1);
_Complex int CplxI;
_Complex int CplxIArr[5];
_Complex float CplxF;
_Complex float CplxFArr[5];
struct HasCplx { _Complex int I; } HC; //#HASCPLX
// expected-error@+2{{invalid type '_Complex int' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:CplxI)
while (1);
// expected-error@+3{{invalid type '_Complex int' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@+2{{used as element type of array type '_Complex int[5]'}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:CplxIArr)
while (1);
// expected-error@+2{{invalid type '_Complex float' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:CplxF)
while (1);
// expected-error@+3{{invalid type '_Complex float' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@+2{{used as element type of array type '_Complex float[5]'}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:CplxFArr)
while (1);
// expected-error@+3{{invalid type '_Complex int' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@#HASCPLX{{used as field 'I' of composite 'HasCplx'}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:HC)
while (1);
}
template<typename T, typename U, typename V>
void TemplUses(T Parm, U CoS, V ChC) {
T Var;
U *CoSPtr;
V *ChCPtr;
#pragma acc parallel reduction(+:Parm)
while (1);
#pragma acc serial reduction(+:Parm)
while (1);
// expected-error@+1{{OpenACC 'reduction' clause is not valid on 'kernels' directive}}
#pragma acc kernels reduction(+:Parm)
while (1);
// On a 'parallel', 'num_gangs' cannot have >1 args. num_gangs not valid on
// 'serial', but 'reduction' not valid on 'kernels', other combos cannot be
// tested.
#pragma acc parallel reduction(+:Parm) num_gangs(Var)
while (1);
#pragma acc parallel num_gangs(Var) reduction(+:Var)
while (1);
// expected-error@+2{{OpenACC 'num_gangs' clause with more than 1 argument may not appear on a 'parallel' construct with a 'reduction' clause}}
// expected-note@+1{{previous 'reduction' clause is here}}
#pragma acc parallel reduction(+:Parm) num_gangs(Parm, Var)
while (1);
// expected-error@+2{{OpenACC 'reduction' clause may not appear on a 'parallel' construct with a 'num_gangs' clause with more than 1 argument}}
// expected-note@+1{{previous 'num_gangs' clause is here}}
#pragma acc parallel num_gangs(Parm, Var) reduction(+:Var)
while (1);
#pragma acc parallel reduction(+:Parm) reduction(+:Parm)
while (1);
int NonDep;
int NonDepArray[5];
T Array[5];
// Vars in a reduction must be a scalar or a composite of scalars.
#pragma acc parallel reduction(&: CoS, Var, Parm)
while (1);
// expected-error@+3{{invalid type 'struct CompositeOfScalars' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@#COS_FIELD{{used as field 'COS' of composite 'CompositeHasComposite'}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(&: ChC)
while (1);
#pragma acc parallel reduction(&: Array)
while (1);
#pragma acc parallel reduction(&: NonDepArray)
while (1);
#pragma acc parallel reduction(&: CoS, Array[Var], Array[0:Var])
while (1);
// expected-error@+1{{OpenACC variable is not a valid variable name, sub-array, array element, or composite variable member}}
#pragma acc parallel reduction(&: CoS.I)
while (1);
// expected-error@+1{{OpenACC variable is not a valid variable name, sub-array, array element, or composite variable member}}
#pragma acc parallel reduction(&: CoSPtr->I)
while (1);
// expected-error@+1{{OpenACC variable is not a valid variable name, sub-array, array element, or composite variable member}}
#pragma acc parallel reduction(&: ChC.COS)
while (1);
// expected-error@+1{{OpenACC variable is not a valid variable name, sub-array, array element, or composite variable member}}
#pragma acc parallel reduction(&: ChCPtr->COS)
while (1);
T ThreeDArray[3][4][5];
// expected-error@+3{{invalid type 'int[4][5]' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@+2{{used as element type of array type 'int[3][4][5]'}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:ThreeDArray)
while (1);
// expected-error@+3{{invalid type 'int[5]' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@+2{{used as element type of array type 'int[4][5]'}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:ThreeDArray[1:1])
while (1);
// expected-error@+3{{invalid type 'int[5]' used in OpenACC 'reduction' variable reference; type is not a scalar value}}
// expected-note@+2{{used as element type of array type 'int[4][5]'}}
// expected-note@+1{{OpenACC 'reduction' variable reference must be a scalar variable or a composite of scalars, or an array, sub-array, or element of scalar types}}
#pragma acc parallel reduction(+:ThreeDArray[1])
while (1);
#pragma acc parallel reduction(+:ThreeDArray[1:1][1])
while (1);
#pragma acc parallel reduction(+:ThreeDArray[1:1][1:1])
while (1);
#pragma acc parallel reduction(+:ThreeDArray[1][1])
while (1);
#pragma acc parallel reduction(+:ThreeDArray[1][1:1])
while (1);
#pragma acc parallel reduction(+:ThreeDArray[1:1][1][1:1])
while (1);
#pragma acc parallel reduction(+:ThreeDArray[1:1][1][1])
while (1);
#pragma acc parallel reduction(+:ThreeDArray[1:1][1:1][1:1])
while (1);
#pragma acc parallel reduction(+:ThreeDArray[1:1][1:1][1])
while (1);
#pragma acc parallel reduction(+:ThreeDArray[1][1][1:1])
while (1);
#pragma acc parallel reduction(+:ThreeDArray[1][1][1])
while (1);
#pragma acc parallel reduction(+:ThreeDArray[1][1:1][1:1])
while (1);
#pragma acc parallel reduction(+:ThreeDArray[1][1:1][1])
while (1);
}
void inst() {
CompositeOfScalars CoS;
CompositeHasComposite ChC;
// expected-note@+1{{in instantiation of function template specialization}}
TemplUses(5, CoS, ChC);
}
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