blob: ee2c71da21fd8fb173f0f345773f7664ac6c19bc (
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
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/* { dg-do compile } */
/* { dg-options "-O2 -fno-early-inlining -fdump-ipa-cp -fdump-tree-optimized" } */
#include <stdint.h>
extern int fail_the_test(void *);
extern int pass_the_test(void *);
extern int diversion (void *);
struct somestruct
{
void *whee;
void *oops;
};
struct container
{
struct somestruct first;
struct somestruct buf[32];
};
static int __attribute__((noinline))
foo (void *p)
{
uintptr_t a = (uintptr_t) p;
if (a % 4)
return fail_the_test (p);
else
return pass_the_test (p);
}
int
bar (void)
{
struct container c;
return foo (c.buf);
}
static int
through (struct somestruct *p)
{
diversion (p);
return foo (&p[16]);
}
int
bar2 (void)
{
struct container c;
through (c.buf);
}
/* { dg-final { scan-ipa-dump "Adjusting alignment of param" "cp" } } */
/* { dg-final { scan-tree-dump-not "fail_the_test" "optimized" } } */
|
