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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/* { dg-do compile { target { ! { logical_op_short_circuit || { m68k*-*-* mmix*-*-* mep*-*-* bfin*-*-* v850*-*-* moxie*-*-* cris*-*-* m32c*-*-* fr30*-*-* mcore*-*-* powerpc*-*-* xtensa*-*-* hppa*-*-* nios2*-*-* riscv*-*-* } } } } } */
/* { dg-additional-options "-O2 -fdump-tree-vrp-details" } */
/* { dg-additional-options "-mbranch-cost=2" { target i?86-*-* x86_64-*-* } } */
/* { dg-final { scan-tree-dump-times "Threaded jump" 8 "vrp1" } } */
void foo (void);
void bar (void);
void blah (void);
/* One jump threaded here. */
void
baz_1 (int a, int b, int c)
{
if (a && b)
foo ();
if (!b && c)
bar ();
}
/* One jump threaded here. */
void
baz_2 (int a, int b, int c)
{
if (a && b)
foo ();
if (b || c)
bar ();
}
/* One jump threaded here. */
void
baz_3 (int a, int b, int c)
{
if (a && b > 10)
foo ();
if (b < 5 && c)
bar ();
}
/* Two jumps threaded here. */
void
baz_4 (int a, int b, int c)
{
if (a && b)
{
foo ();
if (c)
bar ();
}
if (b && c)
blah ();
}
/* Two jumps threaded here. */
void
baz_5 (int a, int b, int c)
{
if (a && b)
{
foo ();
if (c)
bar ();
}
if (!b || !c)
blah ();
}
/* One jump threaded here. */
void
baz_6 (int a, int b, int c)
{
if (a == 39 && b == 41)
foo ();
if (c == 12 || b == 41)
bar ();
}
|
