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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [vrp02.c] - Blame information for rev 816

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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-vrp1" } */
 
struct A
{
  int a;
  int b;
};
 
foo (struct A *p, struct A *q)
{
  int x = p->a;
  if (p == q)
    return q->a;
 
  /* We should fold this to 'if (1)' but the assertion for 'p == q'
     was overwriting the assertion 'p != 0' from the first dereference
     of 'p'.  */
  if (p)
    return x + p->b;
}
 
/* { dg-final { scan-tree-dump-times "Folding predicate p_.*to 1" 1 "vrp1" } } */
/* { dg-final { cleanup-tree-dump "vrp1" } } */

Line No.	Rev	Author	Line
1	149	jeremybenn	`/* { dg-do compile } */`
2			`/* { dg-options "-O2 -fdump-tree-vrp1" } */`
3
4			`struct A`
5			`{`
6			`int a;`
7			`int b;`
8			`};`
9
10			`foo (struct A p, struct A q)`
11			`{`
12			`int x = p->a;`
13			`if (p == q)`
14			`return q->a;`
15
16			`/* We should fold this to 'if (1)' but the assertion for 'p == q'`
17			`was overwriting the assertion 'p != 0' from the first dereference`
18			`of 'p'. */`
19			`if (p)`
20			`return x + p->b;`
21			`}`
22
23			`/* { dg-final { scan-tree-dump-times "Folding predicate p_.to 1" 1 "vrp1" } } /`
24			`/* { dg-final { cleanup-tree-dump "vrp1" } } */`

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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [vrp02.c] - Blame information for rev 816