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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [no-strict-overflow-6.c] - Rev 816

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/* { dg-do compile } */
/* { dg-options "-fno-strict-overflow -O2 -fdump-tree-final_cleanup" } */
 
/* Source: Ian Lance Taylor.  */
 
/* VRP test.  We can not simplify the conditional when not using
   strict overflow semantics.  We don't test this with
   -fstrict-overflow because it turns into an infinite loop.  That is
   OK but it would also be OK to not do that.  */
 
int
foo ()
{
  int i, bits;
  for (i = 1, bits = 1; i > 0; i += i)
    ++bits;
  return bits;
}
 
/* { dg-final { scan-tree-dump "return bits" "final_cleanup" } } */
/* { dg-final { cleanup-tree-dump "final_cleanup" } } */
 

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