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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [struct-aliasing-2.c] - Rev 298

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/* { dg-do "compile" } */
/* { dg-options "-O2 -fdump-tree-fre" } */
 
struct S { unsigned f; };
 
int
foo ( struct S *p)
{
  int *q = (int *)&p->f;
  int i = *q;
  return i + p->f;
}
 
 
/*  There should only be one load of p->f because fwprop can change *(int *)&p->f into just (int)p->f.  */
/* { dg-final { scan-tree-dump-times "p_.\\\(D\\\)->f" 1 "fre" } } */
/* { dg-final { cleanup-tree-dump "fre" } } */
 
 

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