blob: 3ddf48e6f005e42abfdd9f3662b785408330e75f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-vrp1 -fno-early-inlining" } */
typedef struct {
int code;
} *rtx;
static inline void *zero ()
{
return 0;
}
static inline int three ()
{
return 3;
}
int
can_combine_p (rtx insn, rtx elt)
{
rtx set;
set = zero ();
if (insn->code == three ())
set = insn;
else
{
set = elt;
if (set == zero ())
return 0;
}
if (set == zero ())
return 1;
return 0;
}
/* Target with fno-delete-null-pointer-checks should not fold checks */
/* { dg-final { scan-tree-dump-times "Folding predicate.*to 0" 1 "vrp1" { target { ! keeps_null_pointer_checks } } } } */
/* { dg-final { scan-tree-dump-times "Folding predicate.*to 0" 0 "vrp1" { target { keeps_null_pointer_checks } } } } */
/* { dg-final { cleanup-tree-dump "vrp1" } } */
|
