gcc/testsuite/gcc.dg/graphite/interchange-5.c

   1 /* { dg-require-effective-target size32plus } */
   2
   3 /* Formerly known as ltrans-5.c */
   4
   5 #define DEBUG 0
   6 #if DEBUG
   7 #include <stdio.h>
   8 #endif
   9
  10 #define N 100
  11 #define M 1111
  12 int A[N][M];
  13
  14 static int __attribute__((noinline))
  15 foo (void)
  16 {
  17   int i, j;
  18
  19   for( i = 0; i < M; i++)
  20     for( j = 0; j < N; j++)
  21       A[j][i] = 5 * A[j][i];
  22
  23   return A[0][0] + A[N-1][M-1];
  24 }
  25
  26 extern void abort ();
  27
  28 int
  29 main (void)
  30 {
  31   int i, j, res;
  32
  33   for (i = 0; i < N; i++)
  34     for (j = 0; j < M; j++)
  35       A[i][j] = 2;
  36
  37   res = foo ();
  38
  39 #if DEBUG
  40   fprintf (stderr, "res = %d \n", res);
  41 #endif
  42
  43   if (res != 20)
  44     abort ();
  45
  46   return 0;
  47 }
  48
  49 /* { dg-final { scan-tree-dump "tiled by" "graphite" } } */