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

   1 /* { dg-require-effective-target size32plus } */
   2
   3 float A[1000][1000], B[1000][1000], C[1000][1000];
   4
   5 /* Multiply two n x n matrices A and B and store the result in C.  */
   6
   7 void matmult (int n)
   8 {
   9   int i,j,k;
  10
  11   for (i = 0; i < n; i++)
  12     for (j = 0; j < n; j++)
  13       for (k = 0; k < n; k++)
  14         A[i][j] += B[i][k] * C[k][j];
  15 }
  16
  17 /* This one fails because the number of iterations cannot be
  18    determined anymore for the outermost loop.  */
  19 /* { dg-final { scan-tree-dump-times "number of SCoPs: 1" 1 "graphite" } } */
  20 /* { dg-final { cleanup-tree-dump "graphite" } } */