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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [sra-5.c] - Rev 826

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/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-optimized" } */
 
/* Tests for SRA of unions. */
 
 
typedef union testunion
{
  double d;
  char f1;
} testunion;
 
void
copyunion1 (testunion param)
{
  testunion local;
  param.f1 = 0;
  local = param;
  if (local.f1 != 0)
    link_error ();
}
 
void
copyunion11 (testunion *param)
{
  testunion local;
  param->f1 = 0;
  local = *param;
  if (local.f1 != 0)
    link_error ();
}
 
void
copyunion111 (testunion param)
{
  testunion *local = &param;
  param.f1 = 0;
  if (local->f1 != 0)
    link_error ();
}
 
testunion globuf;
void
copyunion1111 (void)
{
  testunion local;
  globuf.f1 = 0;
  local = globuf;
  if (local.f1 != 0)
    link_error ();
}
 
void
copyunion11111 (void)
{
  testunion *local = &globuf;
  globuf.f1 = 0;
  if (local->f1 != 0)
    link_error ();
}
 
void
copyunion111111 (testunion param)
{
  static testunion local;
  param.f1 = 0;
  local = param;
  if (local.f1 != 0)
    link_error ();
}
 
/* There should be no reference to link_error. */
/* { dg-final { scan-tree-dump-times "link_error" 0 "optimized"} } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
 

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