gcc/testsuite/gcc.dg/graphite/block-0.c

   1 #define DEBUG 0
   2 #if DEBUG
   3 #include <stdio.h>
   4 #endif
   5
   6 #define N 1000
   7 int a[N];
   8
   9 static int __attribute__((noinline))
  10 foo (void)
  11 {
  12   int j;
  13   int i;
  14
  15   for (i = 0; i < N; i++)
  16     for (j = 0; j < N; j++)
  17       a[j] = a[i] + 1;
  18
  19   return a[0];
  20 }
  21
  22 extern void abort ();
  23
  24 int
  25 main (void)
  26 {
  27   int i, res;
  28
  29   for (i = 0; i < N; i++)
  30     a[i] = i;
  31
  32   res = foo ();
  33
  34 #if DEBUG
  35   fprintf (stderr, "res = %d \n", res);
  36 #endif
  37
  38   if (res != 1999)
  39     abort ();
  40
  41   return 0;
  42 }
  43
  44 /* { dg-final { scan-tree-dump-times "will be loop blocked" 1 "graphite" { xfail *-*-* } } } */
  45 /* { dg-final { cleanup-tree-dump "graphite" } } */