gcc/testsuite/gcc.dg/tree-ssa/pr98953.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2 -fdump-tree-bswap-details" } */
   3
   4 int foo(unsigned char *ptr)
   5 {
   6 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
   7     return ptr[0] + (ptr[1] << 8);
   8 #else
   9     return ptr[1] + (ptr[0] << 8);
  10 #endif
  11 }
  12
  13 /* { dg-final { scan-tree-dump "16 bit load in target endianness found" "bswap" } } */
  14