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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [struct-aliasing-2.c] - Blame information for rev 298

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/* { dg-do "compile" } */
/* { dg-options "-O2 -fdump-tree-fre" } */
 
struct S { unsigned f; };
 
int
foo ( struct S *p)
{
  int *q = (int *)&p->f;
  int i = *q;
  return i + p->f;
}
 
 
/*  There should only be one load of p->f because fwprop can change *(int *)&p->f into just (int)p->f.  */
/* { dg-final { scan-tree-dump-times "p_.\\\(D\\\)->f" 1 "fre" } } */
/* { dg-final { cleanup-tree-dump "fre" } } */
 

Line No.	Rev	Author	Line
1	298	jeremybenn	`/* { dg-do "compile" } */`
2			`/* { dg-options "-O2 -fdump-tree-fre" } */`
3
4			`struct S { unsigned f; };`
5
6			`int`
7			`foo ( struct S *p)`
8			`{`
9			`int q = (int )&p->f;`
10			`int i = *q;`
11			`return i + p->f;`
12			`}`
13
14
15			`/* There should only be one load of p->f because fwprop can change (int )&p->f into just (int)p->f. */`
16			`/* { dg-final { scan-tree-dump-times "p_.\\\(D\\\)->f" 1 "fre" } } */`
17			`/* { dg-final { cleanup-tree-dump "fre" } } */`
18

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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [testsuite/] [gcc.dg/] [tree-ssa/] [struct-aliasing-2.c] - Blame information for rev 298