blob: 61b601a229eb1f5f6cf075cde86dda8c29f84c95 (
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
|
/* PR tree-optimization/80934 - bzero should be assumed not to escape
pointer argument
{ dg-do compile }
{ dg-options "-O2 -fdump-tree-alias" } */
void foobar (void);
void f (void);
void g (void)
{
char d[32];
__builtin_memset (d, 0, sizeof d);
f ();
if (*d != 0)
foobar ();
}
void h (void)
{
char d[32];
__builtin_bzero (d, sizeof d);
f ();
if (*d != 0)
foobar ();
}
/* { dg-final { scan-tree-dump-not "memset|foobar|bzero" "alias" } } */
|
