gcc/testsuite/gcc.dg/graphite/block-6.c

   1 /* { dg-require-effective-target size32plus } */
   2
   3 #define N 10000
   4 void foo (int);
   5 int test ()
   6 {
   7   int a[N][N];
   8   unsigned i, j;
   9
  10   for (i = 0; i < N; i++)
  11     for (j = 0; j < N; j++)
  12       a[i][j] = i*j;
  13
  14   /* Interchange is not legal for loops 0 and 1.  */
  15   for (i = 1; i < N; i++)
  16     for (j = 1; j < (N-1) ; j++)
  17       a[i][j] = a[i-1][j+1] * a[i-1][j+1]/2;
  18
  19   for (i = 0; i < N; i++)
  20     for (j = 0; j < N; j++)
  21       foo (a[i][j]);
  22 }
  23
  24 /* { dg-final { scan-tree-dump-times "will be loop blocked" 0 "graphite" } } */
  25 /* { dg-final { cleanup-tree-dump "graphite" } } */