/* { dg-do compile } */
/* { dg-options "-O3 -ftree-pre" } */

int f(void);
void acceptloop_th(int *t) {
   int options = 0;
   if (f()) options |= 0x1 << 1;
   if (f()) options |= 0x1 << 2;
   if (f()) options |= 0x1 << 3;
   if (f()) options |= 0x1 << 4;
   if (f()) options |= 0x1 << 5;
   if (f()) options |= 0x1 << 6;
   if (f()) options |= 0x1 << 7;
   if (f()) options |= 0x1 << 8;
   if (f()) options |= 0x1 << 9;
   if (f()) options |= 0x1 << 10;
   if (f()) options |= 0x1 << 11;
   if (f()) options |= 0x1 << 12;
   if (f()) options |= 0x1 << 13;
   if (f()) options |= 0x1 << 14;
   if (f()) options |= 0x1 << 15;
#if(__SIZEOF_INT__ >= 4)    
   if (f()) options |= 0x1 << 16;
   if (f()) options |= 0x1 << 17;
   if (f()) options |= 0x1 << 18;
   if (f()) options |= 0x1 << 19;
   if (f()) options |= 0x1 << 20;
   if (f()) options |= 0x1 << 21;
   if (f()) options |= 0x1 << 22;
   if (f()) options |= 0x1 << 23;
   if (f()) options |= 0x1 << 24;
   if (f()) options |= 0x1 << 25;
   if (f()) options |= 0x1 << 26;
#endif
   if (f()) *t = options;
}