gcc/testsuite/gcc.dg/pr69307.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -fselective-scheduling2" } */
   3
   4 typedef unsigned char uint8_t;
   5 typedef unsigned short int uint16_t;
   6 typedef unsigned int uint32_t;
   7 typedef unsigned long long int uint64_t;
   8 typedef uint8_t u8;
   9 typedef uint16_t u16;
  10 typedef uint32_t u32;
  11 typedef uint64_t u64;
  12 u64 __attribute__((noinline, noclone))
  13 foo(u8 u8_0, u16 u16_0, u32 u32_0, u64 u64_0, u8 u8_1, u16 u16_1, u32 u32_1, u64 u64_1, u8 u8_2, u16 u16_2, u32 u32_2, u64 u64_2, u8 u8_3, u16 u16_3, u32 u32_3, u64 u64_3)
  14 {
  15  u8 *p8_2 = &u8_2;
  16  u16 *p16_2 = &u16_2;
  17  u8 *p8_3 = &u8_3;
  18  u64 *p64_3 = &u64_3;
  19  p8_2 = &u8_3;
  20  *p8_3 -= *p64_3;
  21  *p8_2 = (u64)*p8_2 % ((u64)*p8_2 | 3);
  22  u8_2 = (u64)u8_2 / ((u64)*p16_2 | 1);
  23  u16_0 = (u64)u16_0 % ((u64)*p8_2 | 3);
  24  return u8_0 + u16_0 + u32_0 + u64_0 + u8_1 + u16_1 + u32_1 + u64_1 + u8_2 + u16_2 + u32_2 + u64_2 + u8_3 + u16_3 + u32_3 + u64_3;
  25 }
  26 int main()
  27 {
  28  u64 x = 0;
  29  x += foo(3llu, 6llu, 15llu, 28llu, 5llu, 11llu, 20llu, 44llu, 7llu, 10llu, 20llu, 55llu, 0llu, 9llu, 17llu, 48llu);
  30  if (x != 0x1f3)
  31          __builtin_abort();
  32  return 0;
  33 }
  34