blob: ea3f29b3a6f0cb158f27c84010698e85655496a1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
/* { dg-do compile } */
/* { dg-options "-O1 -fdump-tree-dse1-details" } */
void f(){
char*p=__builtin_malloc(42);
__builtin_memset(p,3,10);
__builtin_memset(p,7,33);
}
char*g;
void h(){
char*p=__builtin_malloc(42);
g=__builtin_memset(p,3,10);
__builtin_free(p);
}
char*i(){
char*p=__builtin_malloc(42);
__builtin_memset(p,3,10);
__builtin_memset(p,7,33);
return p;
}
/* { dg-final { scan-tree-dump-times "Deleted dead call" 4 "dse1" } } */
/* { dg-final { cleanup-tree-dump "dse1" } } */
|
