gcc/testsuite/gcc.dg/tree-ssa/operand-equal-2.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O -fdump-tree-fre1" } */
   3
   4 typedef char __attribute__ ((vector_size (4))) v4qi;
   5
   6 v4qi v;
   7 void ret(char a)
   8 {
   9   v4qi c={a,a,a,a},d={a,a,a,a};
  10   v = (c!=d);
  11 }
  12 /* { dg-final { scan-tree-dump "v = . 0, 0, 0, 0 ." "fre1"} } */