| 1 | volatile int x; |
| 2 | |
| 3 | void __attribute__((noinline)) sink() { |
| 4 | x++; //% self.filecheck("bt", "main.cpp") |
| 5 | // CHECK-NOT: func{{[23]}}_amb |
| 6 | } |
| 7 | |
| 8 | void __attribute__((noinline)) func3_amb() { sink(); /* tail */ } |
| 9 | |
| 10 | void __attribute__((noinline)) func2_amb() { sink(); /* tail */ } |
| 11 | |
| 12 | void __attribute__((noinline)) func1() { |
| 13 | if (x > 0) |
| 14 | func2_amb(); /* tail */ |
| 15 | else |
| 16 | func3_amb(); /* tail */ |
| 17 | } |
| 18 | |
| 19 | int __attribute__((disable_tail_calls)) main(int argc, char **) { |
| 20 | // The sequences `main -> func1 -> f{2,3}_amb -> sink` are both plausible. Test |
| 21 | // that lldb doesn't attempt to guess which one occurred. |
| 22 | func1(); |
| 23 | return 0; |
| 24 | } |
| 25 | |