libgomp/testsuite/libgomp.graphite/force-parallel-3.c

   1 void abort (void);
   2
   3 #define N 500
   4
   5 int Z[2*N+2][2*N+2], B[2*N+2][2*N+2];
   6
   7 void foo(void)
   8 {
   9   int i,j;
  10
  11   for (i = 0; i < 2*N+2; i++)
  12     for (j = 0; j < 2*N+2; j++)
  13       B[i][j] = Z[i][j] = i + j;
  14
  15   for (i = 0; i <= N; i++)
  16     for (j = 0; j <= N; j++)
  17       Z[i][j] = Z[j+N][i+N+1];
  18
  19   for (i = 0; i <= N; i++)
  20     for (j = 0; j <=N; j++)
  21       if (Z[i][j] != B[j+N][i+N+1])
  22         abort();
  23 }
  24
  25 int main(void)
  26 {
  27   foo();
  28
  29   return 0;
  30 }
  31
  32 /* Check that parallel code generation part make the right answer.  */
  33 /* { dg-final { scan-tree-dump-times "4 loops carried no dependency" 1 "graphite" } } */
  34 /* { dg-final { scan-tree-dump-times "loopfn.0" 4 "optimized" } } */
  35 /* { dg-final { scan-tree-dump-times "loopfn.1" 4 "optimized" } } */