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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [20040729-1.c] - Blame information for rev 816

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Line No. Rev Author Line
1 149 jeremybenn
/* { dg-do compile } */
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/* { dg-options "-O1 -fdump-tree-dce3" } */
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foo ()
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{
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  volatile int *p;
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  volatile int x;
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  p = &x;
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  *p = 3;
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  return *p + 1;
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}
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/* The assignment to 'p' is dead and should be removed.  But the
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   compiler was mistakenly thinking that the statement had volatile
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   operands.  But 'p' itself is not volatile and taking the address of
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   a volatile does not constitute a volatile operand.  */
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/* { dg-final { scan-tree-dump-times "&x" 0 "dce3"} } */
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/* { dg-final { cleanup-tree-dump "dce3" } } */

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