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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [no-strict-overflow-6.c] - Blame information for rev 149

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1 149 jeremybenn
/* { dg-do compile } */
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/* { dg-options "-fno-strict-overflow -O2 -fdump-tree-final_cleanup" } */
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/* Source: Ian Lance Taylor.  */
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/* VRP test.  We can not simplify the conditional when not using
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   strict overflow semantics.  We don't test this with
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   -fstrict-overflow because it turns into an infinite loop.  That is
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   OK but it would also be OK to not do that.  */
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int
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foo ()
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{
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  int i, bits;
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  for (i = 1, bits = 1; i > 0; i += i)
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    ++bits;
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  return bits;
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}
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/* { dg-final { scan-tree-dump "return bits" "final_cleanup" } } */
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/* { dg-final { cleanup-tree-dump "final_cleanup" } } */

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