blob: 3593f869b6bc4452f996c47a9204dc6ad8a16592 (
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
|
/* Verify straight-line strength reduction for a candidate with a basis
hidden by two phi dependences, and having a known stride. */
/* { dg-do compile } */
/* { dg-options "-O3 -fdump-tree-optimized" } */
extern void
g (void);
int
f (int c, int i)
{
int a1, a2, a3, x1, x2, x3, x;
a1 = i * 16;
x1 = c + a1;
i = i + 2;
a2 = i * 16;
x2 = c + a2;
if (x2 > 6)
{
if (c < 200)
i = i + 2;
else
i = i + 4;
g ();
}
else
i = i + 6;
i = i + 2;
a3 = i * 16;
x3 = c + a3;
x = x1 + x2 + x3;
return x;
}
/* { dg-final { scan-tree-dump-times " \\* " 1 "optimized" } } */
/* { dg-final { scan-tree-dump-times "PHI" 2 "optimized" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
|
