gcc/testsuite/gcc.c-torture/execute/20041019-1.c

   1 test_store_ccp (int i)
   2 {
   3   int *p, a, b, c;
   4
   5   if (i < 5)
   6     p = &a;
   7   else if (i > 8)
   8     p = &b;
   9   else
  10     p = &c;
  11
  12   *p = 10;
  13   b = 3;
  14
  15   /* STORE-CCP was wrongfully propagating 10 into *p.  */
  16   return *p + 2;
  17 }
  18
  19
  20 test_store_copy_prop (int i)
  21 {
  22   int *p, a, b, c;
  23
  24   if (i < 5)
  25     p = &a;
  26   else if (i > 8)
  27     p = &b;
  28   else
  29     p = &c;
  30
  31   *p = i;
  32   b = i + 1;
  33
  34   /* STORE-COPY-PROP was wrongfully propagating i into *p.  */
  35   return *p;
  36 }
  37
  38
  39 main()
  40 {
  41   int x;
  42
  43   x = test_store_ccp (10);
  44   if (x == 12)
  45     abort ();
  46
  47   x = test_store_copy_prop (9);
  48   if (x == 9)
  49     abort ();
  50
  51   return 0;
  52 }