| /* { dg-do compile } */ | |
| /* { dg-options "-O -fdump-tree-fre1" } */ | |
| _Bool f1(unsigned x, unsigned y, unsigned *res) | |
| { | |
| _Bool t = __builtin_add_overflow(x, y, res); | |
| unsigned res1; | |
| _Bool t1 = __builtin_add_overflow(x, y, &res1); | |
| *res -= res1; | |
| return t==t1; | |
| } | |
| /* { dg-final { scan-tree-dump-times "ADD_OVERFLOW" 1 "fre1" } } */ | |
| /* { dg-final { scan-tree-dump "return 1;" "fre1" } } */ |