1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-optimized" } */
       3  
       4  int test1(int x, int y)
       5  {
       6  #if __SIZEOF_INT__ == 4
       7    return __builtin_bswap32(x) == __builtin_bswap32(y);
       8  #else
       9    return x == y;
      10  #endif
      11  }
      12  
      13  int test2(int x, int y)
      14  {
      15  #if __SIZEOF_INT__ == 4
      16    return __builtin_bswap32(x) != __builtin_bswap32(y);
      17  #else
      18    return x != y;
      19  #endif
      20  }
      21  
      22  int test3(int x)
      23  {
      24  #if __SIZEOF_INT__ == 4
      25    return __builtin_bswap32(x) == 12345;
      26  #else
      27    return x;
      28  #endif
      29  }
      30  
      31  int test4(int x)
      32  {
      33  #if __SIZEOF_INT__ == 4
      34    return __builtin_bswap32(x) != 12345;
      35  #else
      36    return x;
      37  #endif
      38  }
      39  
      40  int test1ll(long long x, long long y)
      41  {
      42  #if __SIZEOF_LONG_LONG__ == 8
      43    return __builtin_bswap64(x) == __builtin_bswap64(y);
      44  #else
      45    return x == y;
      46  #endif
      47  }
      48  
      49  int test2ll(long long x, long long y)
      50  {
      51  #if __SIZEOF_LONG_LONG__ == 8
      52    return __builtin_bswap64(x) != __builtin_bswap64(y);
      53  #else
      54    return x != y;
      55  #endif
      56  }
      57  
      58  int test3ll(long long x)
      59  {
      60  #if __SIZEOF_LONG_LONG__ == 8
      61    return __builtin_bswap64(x) == 12345;
      62  #else
      63    return (int)x;
      64  #endif
      65  }
      66  
      67  int test4ll(long long x)
      68  {
      69  #if __SIZEOF_LONG_LONG__ == 8
      70    return __builtin_bswap64(x) != 12345;
      71  #else
      72    return (int)x;
      73  #endif
      74  }
      75  
      76  int test1s(short x, short y)
      77  {
      78  #if __SIZEOF_SHORT__ == 2
      79    return __builtin_bswap16(x) == __builtin_bswap16(y);
      80  #else
      81    return x == y;
      82  #endif
      83  }
      84  
      85  int test2s(short x, short y)
      86  {
      87  #if __SIZEOF_SHORT__ == 2
      88    return __builtin_bswap16(x) != __builtin_bswap16(y);
      89  #else
      90    return x != y;
      91  #endif
      92  }
      93  
      94  int test3s(short x)
      95  {
      96  #if __SIZEOF_SHORT__ == 2
      97    return __builtin_bswap16(x) == 12345;
      98  #else
      99    return (int)x;
     100  #endif
     101  }
     102  
     103  int test4s(short x)
     104  {
     105  #if __SIZEOF_SHORT__ == 2
     106    return __builtin_bswap16(x) != 12345;
     107  #else
     108    return (int)x;
     109  #endif
     110  }
     111  
     112  /* { dg-final { scan-tree-dump-times "__builtin_bswap" 0 "optimized" } } */
     113