gcc/testsuite/gcc.dg/torture/pr79910.c

   1 /* { dg-do run } */
   2 /* { dg-additional-options "-fweb" } */
   3
   4 typedef unsigned char u8;
   5 #if __SIZEOF_INT__ < 4
   6   __extension__ typedef __UINT32_TYPE__ u32;
   7 #else
   8   typedef unsigned int u32;
   9 #endif
  10 typedef unsigned long long u64;
  11 int a;
  12
  13 static __attribute__ ((noinline, noclone)) u64
  14 foo (u8 p1, u32 p2)
  15 {
  16   u64 b = a <= 0;
  17   p2 = 4;
  18   b >>= a == 0;
  19   p1 %= 0xfffffffff;
  20   p2 >>= b & 31;
  21   p1 += b;
  22   p2 <<= 31;
  23   return p1 + p2 + b;
  24 }
  25
  26 int
  27 main (void)
  28 {
  29   u64 x = foo (0, 1);
  30   if (x != 0)
  31     __builtin_abort ();
  32   return 0;
  33 }