Subversion Repositories openrisc_me

/* { dg-do compile } */

/* { dg-options "-O -fno-tree-sra -fdump-tree-fre-details" } */

/* Should be optimized, propagating &a into (*p)[i].  */

struct Foo

{

  void *data;

  double size;

};

void bar(double *);

void foo(double (*q)[4])

{

  struct Foo tmp1;

  double a[4];

  int i;

  tmp1.data = &a;

  tmp1.size = 4;

  for (i=0; i<4; ++i)

    {

      double (*p)[4] = tmp1.data;

      (*p)[i] = (*q)[i];

      /* We want a PHI for the VOP for accessing tmp1.data, so place

         this store to tmp1 here.  */

      tmp1.size -= 1.0;

    }

  bar(a);

}

/* { dg-final { scan-tree-dump "Inserted .* &a" "fre" } } */

/* { dg-final { scan-tree-dump "Replaced tmp1.data" "fre" } } */

/* { dg-final { cleanup-tree-dump "fre" } } */