gcc/testsuite/gcc.c-torture/execute/pr61673.c

   1 /* PR rtl-optimization/61673 */
   2
   3 char e;
   4
   5 __attribute__((noinline, noclone)) void
   6 bar (char x)
   7 {
   8   if (x != 0x54 && x != (char) 0x87)
   9     __builtin_abort ();
  10 }
  11
  12 __attribute__((noinline, noclone)) void
  13 foo (const char *x)
  14 {
  15   char d = x[0];
  16   int c = d;
  17   if ((c >= 0 && c <= 0x7f) == 0)
  18     e = d;
  19   bar (d);
  20 }
  21
  22 __attribute__((noinline, noclone)) void
  23 baz (const char *x)
  24 {
  25   char d = x[0];
  26   int c = d;
  27   if ((c >= 0 && c <= 0x7f) == 0)
  28     e = d;
  29 }
  30
  31 int
  32 main ()
  33 {
  34   const char c[] = { 0x54, 0x87 };
  35   e = 0x21;
  36   foo (c);
  37   if (e != 0x21)
  38     __builtin_abort ();
  39   foo (c + 1);
  40   if (e != (char) 0x87)
  41     __builtin_abort ();
  42   e = 0x21;
  43   baz (c);
  44   if (e != 0x21)
  45     __builtin_abort ();
  46   baz (c + 1);
  47   if (e != (char) 0x87)
  48     __builtin_abort ();
  49   return 0;
  50 }