blob: 14da7df48db55eb7230499e3b4059a8c033a6019 (
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
|
/* { dg-do compile } */
/* { dg-options "-fwrapv -O1 -ftree-vrp -fdump-tree-vrp1" } */
extern void abort ();
extern void exit (int);
int f (int a) {
if (a != 0) {
a = a > 0 ? a : -a;
if (a == 0)
return 1;
return 0;
}
return 0;
}
int g (int b) {
if (b != 0) {
b = b > 0 ? b : -b;
if (b != 0)
return 0;
}
return 1;
}
/* { dg-final { scan-tree-dump "Folding predicate a_. == 0 to 0" "vrp1" } } */
/* { dg-final { scan-tree-dump "Folding predicate b_. != 0 to 1" "vrp1" } } */
/* { dg-final { cleanup-tree-dump "vrp1" } } */
|