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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [vrp02.c] - Blame information for rev 689

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Line No. Rev Author Line
1 689 jeremybenn
/* { dg-do compile } */
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/* { dg-options "-O2 -fdump-tree-vrp1" } */
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struct A
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{
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  int a;
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  int b;
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};
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foo (struct A *p, struct A *q)
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{
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  int x = p->a;
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  if (p == q)
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    return q->a;
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  /* We should fold this to 'if (1)' but the assertion for 'p == q'
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     was overwriting the assertion 'p != 0' from the first dereference
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     of 'p'.  */
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  if (p)
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    return x + p->b;
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}
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/* Target with fno-delete-null-pointer-checks should not fold check */
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/* { dg-final { scan-tree-dump-times "Folding predicate p_.*to 1" 1 "vrp1" { target { ! keeps_null_pointer_checks } } } } */
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/* { dg-final { scan-tree-dump-times "Folding predicate p_.*to 1" 0 "vrp1" { target {   keeps_null_pointer_checks } } } } */
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/* { dg-final { cleanup-tree-dump "vrp1" } } */

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