gcc/testsuite/gcc.dg/tree-ssa/ssa-fre-22.c


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/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-fre" } */

int i;
int foo (void)
{
  int j;
  i = j;
  return i;
}

/* We should eliminate the redundant load of i.  */

/* { dg-final { scan-tree-dump-not "= i;" "fre" } } */
/* { dg-final { cleanup-tree-dump "fre" } } */