| /* { dg-do compile } */ |
| /* { dg-options "-fwrapv -O1 -ftree-vrp -fdisable-tree-evrp -fdump-tree-vrp1 -fdisable-tree-ethread -fdisable-tree-thread1" } */ |
| |
| #include <limits.h> |
| extern void abort (); |
| extern void exit (int); |
| |
| int f (int a) { |
| if (a != INT_MIN) { |
| a = a > 0 ? a : -a; |
| if (a < 0) |
| return 1; |
| } |
| return 0; |
| } |
| |
| int g (int b) { |
| if (b != INT_MIN) { |
| 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" } } */ |