libgomp/testsuite/libgomp.oacc-c-c++-common/kernels-private-vars-loop-vector-1.c

   1 /* { dg-additional-options "-fopt-info-note-omp" }
   2    { dg-additional-options "--param=openacc-privatization=noisy" }
   3    { dg-additional-options "-foffload=-fopt-info-note-omp" }
   4    { dg-additional-options "-foffload=--param=openacc-privatization=noisy" }
   5    for testing/documenting aspects of that functionality.  */
   6
   7 #include <assert.h>
   8
   9 /* Test of vector-private variables declared on loop directive.  */
  10
  11 int
  12 main (int argc, char* argv[])
  13 {
  14   int x, i, arr[32 * 32 * 32];
  15
  16   for (i = 0; i < 32 * 32 * 32; i++)
  17     arr[i] = i;
  18
  19   #pragma acc kernels copy(arr)
  20   /* { dg-note {variable 'j' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
  21   {
  22     int j;
  23
  24     #pragma acc loop gang(num:32)
  25     /* { dg-note {variable 'i' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
  26     for (i = 0; i < 32; i++)
  27       {
  28         #pragma acc loop worker(num:32)
  29         /* { dg-note {variable 'j' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
  30         /* { dg-note {variable 'k' declared in block isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 } */
  31         for (j = 0; j < 32; j++)
  32           {
  33             int k;
  34
  35             #pragma acc loop vector(length:32) private(x)
  36             /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
  37             /* { dg-note {variable 'x' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 } */
  38             for (k = 0; k < 32; k++)
  39               {
  40                 x = i ^ j * 3;
  41                 arr[i * 1024 + j * 32 + k] += x * k;
  42               }
  43
  44             #pragma acc loop vector(length:32) private(x)
  45             /* { dg-note {variable 'k' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-1 } */
  46             /* { dg-note {variable 'x' in 'private' clause isn't candidate for adjusting OpenACC privatization level: not addressable} "" { target *-*-* } .-2 } */
  47             for (k = 0; k < 32; k++)
  48               {
  49                 x = i | j * 5;
  50                 arr[i * 1024 + j * 32 + k] += x * k;
  51               }
  52           }
  53       }
  54   }
  55
  56   for (i = 0; i < 32; i++)
  57     for (int j = 0; j < 32; j++)
  58       for (int k = 0; k < 32; k++)
  59         {
  60           int idx = i * 1024 + j * 32 + k;
  61           assert (arr[idx] == idx + (i ^ j * 3) * k + (i | j * 5) * k);
  62         }
  63
  64   return 0;
  65 }