| 1 | // REQUIRES: lldb |
| 2 | // UNSUPPORTED: system-windows |
| 3 | // |
| 4 | // This test case checks debug info during register moves for an argument. |
| 5 | // RUN: %clang -std=gnu11 -m64 -mllvm -fast-isel=false -g %s -o %t |
| 6 | // RUN: %dexter --fail-lt 1.0 -w \ |
| 7 | // RUN: --binary %t --debugger 'lldb' -- %s |
| 8 | // |
| 9 | // Radar 8412415 |
| 10 | |
| 11 | struct _mtx |
| 12 | { |
| 13 | long unsigned int ptr; |
| 14 | int waiters; |
| 15 | struct { |
| 16 | int tag; |
| 17 | int pad; |
| 18 | } mtxi; |
| 19 | }; |
| 20 | |
| 21 | int bar(int, int); |
| 22 | |
| 23 | int foobar(struct _mtx *mutex) { |
| 24 | int r = 1; |
| 25 | int l = 0; // DexLabel('l_assign') |
| 26 | int j = 0; |
| 27 | do { |
| 28 | if (mutex->waiters) { |
| 29 | r = 2; |
| 30 | } |
| 31 | j = bar(r, l); |
| 32 | ++l; |
| 33 | } while (l < j); |
| 34 | return r + j; |
| 35 | } |
| 36 | |
| 37 | int bar(int i, int j) { |
| 38 | return i + j; |
| 39 | } |
| 40 | |
| 41 | int main() { |
| 42 | struct _mtx m; |
| 43 | m.waiters = 0; |
| 44 | return foobar(mutex: &m); |
| 45 | } |
| 46 | |
| 47 | |
| 48 | /* |
| 49 | DexExpectProgramState({ |
| 50 | 'frames': [ |
| 51 | { |
| 52 | 'location': { 'lineno': ref('l_assign') }, |
| 53 | 'watches': { |
| 54 | '*mutex': { 'is_irretrievable': False } |
| 55 | } |
| 56 | } |
| 57 | ] |
| 58 | }) |
| 59 | */ |
| 60 | |
| 61 | |