| // XFAIL:* |
| //// Currently debug info for 'local' behaves, but 'plocal' dereferences to |
| //// the incorrect value 0xFF after the call to esc. |
| |
| // REQUIRES: lldb |
| // UNSUPPORTED: system-windows |
| // RUN: %dexter --fail-lt 1.0 -w --debugger lldb \ |
| // RUN: --builder clang-c --cflags "-O2 -glldb" -- %s |
| // |
| //// Check that a pointer to a variable living on the stack dereferences to the |
| //// variable value. |
| |
| int glob; |
| __attribute__((__noinline__)) |
| void esc(int* p) { |
| glob = *p; |
| *p = 0xFF; |
| } |
| |
| int main() { |
| int local = 0xA; |
| int *plocal = &local; |
| esc(plocal); // DexLabel('s1') |
| local = 0xB; //// DSE |
| return 0; // DexLabel('s2') |
| } |
| |
| |
| // DexExpectWatchValue('local', 0xA, on_line='s1') |
| // DexExpectWatchValue('local', 0xB, on_line='s2') |
| // DexExpectWatchValue('*plocal', 0xA, on_line='s1') |
| // DexExpectWatchValue('*plocal', 0xB, on_line='s2') |
| //// Ideally we should be able to observe the dead store to local (0xB) through |
| //// plocal here. |
| // DexExpectWatchValue('(local == *plocal)', 'true', from_line='s1', to_line='s2') |
