clang/test/SemaOpenACC/compute-construct-vector_length-clause.c

   1 // RUN: %clang_cc1 %s -fopenacc -verify
   2
   3 short getS();
   4
   5 void Test() {
   6 #pragma acc parallel vector_length(1)
   7   while(1);
   8 #pragma acc kernels vector_length(1)
   9   while(1);
  10
  11   // expected-error@+1{{OpenACC 'vector_length' clause is not valid on 'serial' directive}}
  12 #pragma acc serial vector_length(1)
  13   while(1);
  14
  15   struct NotConvertible{} NC;
  16   // expected-error@+1{{OpenACC clause 'vector_length' requires expression of integer type ('struct NotConvertible' invalid)}}
  17 #pragma acc parallel vector_length(NC)
  18   while(1);
  19
  20 #pragma acc kernels vector_length(getS())
  21   while(1);
  22
  23   struct Incomplete *SomeIncomplete;
  24
  25   // expected-error@+1{{OpenACC clause 'vector_length' requires expression of integer type ('struct Incomplete' invalid)}}
  26 #pragma acc kernels vector_length(*SomeIncomplete)
  27   while(1);
  28
  29   enum E{A} SomeE;
  30
  31 #pragma acc kernels vector_length(SomeE)
  32   while(1);
  33
  34   // expected-error@+1{{OpenACC 'vector_length' clause is not valid on 'loop' directive}}
  35 #pragma acc loop vector_length(1)
  36   for(int i = 5; i < 10;++i);
  37 }