gcc/testsuite/gcc.dg/graphite/scop-18.c

   1 /* { dg-require-effective-target size32plus } */
   2
   3 #define N 24
   4 #define M 1000
   5
   6 float A[1000][1000], B[1000][1000], C[1000][1000];
   7
   8 void test (void)
   9 {
  10   int i, j, k;
  11
  12   /* These loops contain too few iterations for being strip-mined by 64.  */
  13   for (i = 0; i < 24; i++)
  14     for (j = 0; j < 24; j++)
  15       for (k = 0; k < 24; k++)
  16         A[i][j] = B[i][k] * C[k][j];
  17
  18   /* These loops should still be strip mined.  */
  19   for (i = 0; i < 1000; i++)
  20     for (j = 0; j < 1000; j++)
  21       for (k = 0; k < 1000; k++)
  22         A[i][j] = B[i][k] * C[k][j];
  23 }
  24
  25 /* { dg-final { scan-tree-dump-times "number of SCoPs: 2" 1 "graphite"} } */
  26 /* { dg-final { cleanup-tree-dump "graphite" } } */