blob: 422ee2d7baebd8f1bea69221721988c797a6d4ba (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-tailc-details" } */
extern void *alloca (__SIZE_TYPE__);
int q(int a);
int *v;
int
t(int a)
{
int r,r1;
if (a)
r1=r = q(a-1);
else
return 0;
/* Dead alloca should not disturb us. */
if (r!=r1)
v=alloca(r);
return r;
}
/* { dg-final { scan-tree-dump-times "Found tail call" 1 "tailc"} } */
/* { dg-final { cleanup-tree-dump "tailc" } } */
|
