gcc/testsuite/gcc.c-torture/execute/pr43236.c

   1 /* { dg-options "-ftree-loop-distribution" } */
   2 extern void abort(void);
   3 extern void *memset(void *s, int c, __SIZE_TYPE__ n);
   4 extern int memcmp(const void *s1, const void *s2, __SIZE_TYPE__ n);
   5 /*extern int printf(const char *format, ...);*/
   6
   7 int main()
   8 {
   9   char A[30], B[30], C[30];
  10   int i;
  11
  12   /* prepare arrays */
  13   memset(A, 1, 30);
  14   memset(B, 1, 30);
  15
  16   for (i = 20; i-- > 10;) {
  17     A[i] = 0;
  18     B[i] = 0;
  19   }
  20
  21   /* expected result */
  22   memset(C, 1, 30);
  23   memset(C + 10, 0, 10);
  24
  25   /* show result */
  26 /*  for (i = 0; i < 30; i++)
  27     printf("%d %d %d\n", A[i], B[i], C[i]); */
  28
  29   /* compare results */
  30   if (memcmp(A, C, 30) || memcmp(B, C, 30)) abort();
  31   return 0;
  32 }