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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.2.2/] [gcc/] [testsuite/] [g++.dg/] [tree-ssa/] [copyprop-1.C] - Diff between revs 149 and 154

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Rev 149 Rev 154
/* { dg-do compile } */
/* { dg-do compile } */
/* { dg-options "-O -fdump-tree-dce2" } */
/* { dg-options "-O -fdump-tree-dce2" } */
/* Verify that we can eliminate the useless conversions to/from
/* Verify that we can eliminate the useless conversions to/from
   const qualified pointer types
   const qualified pointer types
     this_2 = o_1;
     this_2 = o_1;
     D.20003_4 = this_2->data_m;
     D.20003_4 = this_2->data_m;
     this_5 = D.20003_4;
     this_5 = D.20003_4;
     D.20005_6 = this_5->value;
     D.20005_6 = this_5->value;
   copyprop should propagate o_1 and D.20003_4 to the loads of data_m
   copyprop should propagate o_1 and D.20003_4 to the loads of data_m
   and value.  dce removes all traces of this.  */
   and value.  dce removes all traces of this.  */
struct Data {
struct Data {
  int get() const { return value; }
  int get() const { return value; }
  int value;
  int value;
};
};
struct Object {
struct Object {
  int operator[](int i) const { return data_m->get(); }
  int operator[](int i) const { return data_m->get(); }
  Data *data_m;
  Data *data_m;
};
};
int foo(Object&o)
int foo(Object&o)
{
{
  return o[0];
  return o[0];
}
}
/* { dg-final { scan-tree-dump-not ".* = \[^>;\]*;" "dce2" { xfail *-*-* } } } */
/* { dg-final { scan-tree-dump-not ".* = \[^>;\]*;" "dce2" { xfail *-*-* } } } */
/* { dg-final { cleanup-tree-dump "dce2" } } */
/* { dg-final { cleanup-tree-dump "dce2" } } */
 
 

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