gcc/testsuite/gcc.dg/graphite/pr68953.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O1 -floop-nest-optimize" } */
   3
   4 extern void abort (void);
   5
   6 int yu[4][1] = { { 1 }, { 2 }, { 3 }, { 4 } };
   7
   8 static void __attribute__((noinline,noclone))
   9 foo (void)
  10 {
  11   int zh, ro;
  12
  13   for (zh = 0; zh < 2; ++zh)
  14     for (ro = 0; ro < 3; ++ro)
  15       yu[ro][0] = yu[zh + 1][0];
  16 }
  17
  18 int
  19 main (void)
  20 {
  21   foo ();
  22
  23   if (yu[0][0] != 2
  24       || yu[1][0] != 2
  25       || yu[2][0] != 2
  26       || yu[3][0] != 4)
  27     abort ();
  28
  29   return 0;
  30 }