gcc/testsuite/gcc.dg/memmove-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-optimized" } */
   3 /* { dg-final { scan-tree-dump-times "memmove" 0 "optimized" } } */
   4
   5 char a[40];
   6 extern void bar (char *);
   7
   8 void
   9 foo (void)
  10 {
  11   char b[10];
  12   __builtin_memmove (&a[0], &a[20], 20);
  13   __builtin_memmove (&b[1], &a[25], 9);
  14   bar (b);
  15 }