1 /* { dg-do compile } */
2 /* { dg-options "-fwrapv -O1 -ftree-vrp -fdisable-tree-evrp -fdump-tree-vrp1" } */
3
4 #include <limits.h>
5 extern void abort ();
6 extern void exit (int);
7
f(int a)8 int f (int a) {
9 if (a != INT_MIN) {
10 a = a > 0 ? a : -a;
11 if (a < 0)
12 return 1;
13 }
14 return 0;
15 }
16
g(int b)17 int g (int b) {
18 if (b != INT_MIN) {
19 b = b > 0 ? b : -b;
20 if (b >= 0)
21 return 0;
22 }
23 return 1;
24 }
25 /* { dg-final { scan-tree-dump "Folding predicate a_. < 0 to 0" "vrp1" } } */
26 /* { dg-final { scan-tree-dump "Folding predicate b_. >= 0 to 1" "vrp1" } } */
27