| /* PR tree-optimization/78888 */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O2 -fdump-tree-evrp" } */ |
| |
| void kill (void); |
| void keep (void); |
| |
| void g (int x) |
| { |
| if (__builtin_toupper ((unsigned char)x) == 'a') |
| kill (); |
| if (__builtin_toupper ((unsigned char)x) == 'z') |
| kill (); |
| if (__builtin_tolower ((unsigned char)x) == 'A') |
| kill (); |
| if (__builtin_tolower ((unsigned char)x) == 'Z') |
| kill (); |
| |
| if (__builtin_toupper ((unsigned char)x) == 'A') |
| keep (); |
| if (__builtin_toupper ((unsigned char)x) == 'Z') |
| keep (); |
| if (__builtin_tolower ((unsigned char)x) == 'a') |
| keep (); |
| if (__builtin_tolower ((unsigned char)x) == 'z') |
| keep (); |
| } |
| /* { dg-final { scan-tree-dump-not "kill" "evrp" } } */ |
| /* { dg-final { scan-tree-dump-times "keep" 4 "evrp"} } */ |
