gcc/testsuite/gcc.dg/pr70859.c

   1 /* PR c/70859 */
   2 /* { dg-do compile } */
   3
   4 static void *p;
   5 static double *d;
   6 static int r;
   7 __extension__ static _Bool b;
   8
   9 void
  10 fn0 (int n)
  11 {
  12   p = __builtin_alloca_with_align (n, 6); /* { dg-error "39:must be a constant integer" } */
  13
  14   r += __builtin_isfinite (0); /* { dg-error "28:non-floating-point argument in call" } */
  15   r += __builtin_isinf (0); /* { dg-error "25:non-floating-point argument in call" } */
  16   r += __builtin_isinf_sign (0); /* { dg-error "30:non-floating-point argument in call" } */
  17   r += __builtin_isnan (0); /* { dg-error "25:non-floating-point argument in call" } */
  18   r += __builtin_isnormal (0); /* { dg-error "28:non-floating-point argument in call" } */
  19   r += __builtin_signbit (0); /* { dg-error "27:non-floating-point argument in call" } */
  20
  21   r += __builtin_isgreater (0, 0); /* { dg-error "8:non-floating-point arguments in call to function" } */
  22   r += __builtin_isgreaterequal (0, 0); /* { dg-error "8:non-floating-point arguments in call to function" } */
  23   r += __builtin_isless (0, 0); /* { dg-error "8:non-floating-point arguments in call to function" } */
  24   r += __builtin_islessequal (0, 0); /* { dg-error "8:non-floating-point arguments in call to function" } */
  25   r += __builtin_islessgreater (0, 0); /* { dg-error "8:non-floating-point arguments in call to function" } */
  26   r += __builtin_isunordered (0, 0); /* { dg-error "8:non-floating-point arguments in call to function" } */
  27
  28   r += __builtin_fpclassify (1, 2, n, 4, 5, n); /* { dg-error "36:non-const integer argument 3 in call" } */
  29   r += __builtin_fpclassify (1, 2, 3, 4, 5, 6); /* { dg-error "45:non-floating-point argument in call" } */
  30
  31   d = __builtin_assume_aligned (p, n, p); /* { dg-error "39:non-integer argument 3 in call" } */
  32
  33   b = __builtin_add_overflow (n, *d, &r); /* { dg-error "34:argument 2 in call to function" } */
  34   b = __builtin_add_overflow (n, 5, d); /* { dg-error "37:argument 3 in call" } */
  35   b = __builtin_sub_overflow (n, *d, &r); /* { dg-error "34:argument 2 in call to function" } */
  36   b = __builtin_sub_overflow (n, 5, d); /* { dg-error "37:argument 3 in call" } */
  37   b = __builtin_mul_overflow (n, *d, &r); /* { dg-error "34:argument 2 in call to function" } */
  38   b = __builtin_mul_overflow (n, 5, d); /* { dg-error "37:argument 3 in call" } */
  39 }
  40
  41 int
  42 fn1 (void)
  43 {
  44   if (__builtin_constant_p ()) /* { dg-error "7:too few" } */
  45     return 0;
  46   if (__builtin_constant_p (1, 2)) /* { dg-error "7:too many" } */
  47     return 1;
  48   if (__builtin_isfinite ()) /* { dg-error "7:too few" } */
  49     return 3;
  50   if (__builtin_isfinite (1, 2)) /* { dg-error "7:too many" } */
  51     return 4;
  52   if (__builtin_isless (0)) /* { dg-error "7:too few" } */
  53     return 5;
  54   if (__builtin_isless (1, 2, 3)) /* { dg-error "7:too many" } */
  55     return 6;
  56   if (__builtin_fpclassify (1, 2, 3, 4, 5)) /* { dg-error "7:too few" } */
  57     return 7;
  58   if (__builtin_fpclassify (1, 2, 3, 4, 5, r, 6)) /* { dg-error "7:too many" } */
  59     return 8;
  60   if (__builtin_assume_aligned (p)) /* { dg-error "7:too few" } */
  61     return 9;
  62   if (__builtin_assume_aligned (p, r, p, p)) /* { dg-error "7:too many" } */
  63     return 10;
  64   if (__builtin_add_overflow ()) /* { dg-error "7:too few" } */
  65     return 11;
  66   if (__builtin_add_overflow (1, 2, 3, &r)) /* { dg-error "7:too many" } */
  67     return 12;
  68   return -1;
  69 }