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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [pr20017.c] - Blame information for rev 298

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Line No. Rev Author Line
1 298 jeremybenn
/* PR rtl-optimization/20017
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   After CSE/GCSE folds a switch statement to an unconditional jump,
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   cfg_cleanup did not remove a dead jump table, confusing the CFG
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   layout code later on.  */
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/* { dg-do compile } */
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/* { dg-options "-O1" } */
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/* { dg-options "-O1 -march=i386" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */
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int
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foo (int *buf, int *p)
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{
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  int result;
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  const int *tmp;
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  if (*buf)
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    return 1;
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  result = 2;
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  *buf = 2;
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  tmp = buf;
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  switch (*tmp)
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    {
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    case 3:
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    case 4:
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    case 6:
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    case 14:
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      return 1;
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    case 0:
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      result = *p;
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      /* Fall through.  */
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    default:
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      if (result)
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        return 1;
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    }
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  return 0;
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}

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