gcc/testsuite/gcc.dg/tree-ssa/pr32540-1.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O3 -ftree-pre" } */
   3
   4 int f(void);
   5 void acceptloop_th(int *t) {
   6    int options = 0;
   7    if (f()) options |= 0x1 << 1;
   8    if (f()) options |= 0x1 << 2;
   9    if (f()) options |= 0x1 << 3;
  10    if (f()) options |= 0x1 << 4;
  11    if (f()) options |= 0x1 << 5;
  12    if (f()) options |= 0x1 << 6;
  13    if (f()) options |= 0x1 << 7;
  14    if (f()) options |= 0x1 << 8;
  15    if (f()) options |= 0x1 << 9;
  16    if (f()) options |= 0x1 << 10;
  17    if (f()) options |= 0x1 << 11;
  18    if (f()) options |= 0x1 << 12;
  19    if (f()) options |= 0x1 << 13;
  20    if (f()) options |= 0x1 << 14;
  21    if (f()) options |= 0x1 << 15;
  22 #if(__SIZEOF_INT__ >= 4)
  23    if (f()) options |= 0x1 << 16;
  24    if (f()) options |= 0x1 << 17;
  25    if (f()) options |= 0x1 << 18;
  26    if (f()) options |= 0x1 << 19;
  27    if (f()) options |= 0x1 << 20;
  28    if (f()) options |= 0x1 << 21;
  29    if (f()) options |= 0x1 << 22;
  30    if (f()) options |= 0x1 << 23;
  31    if (f()) options |= 0x1 << 24;
  32    if (f()) options |= 0x1 << 25;
  33    if (f()) options |= 0x1 << 26;
  34 #endif
  35    if (f()) *t = options;
  36 }