Anna Zaks | 2cbe791 | 2011-12-20 22:35:30 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -analyze -analyzer-checker=core -analyzer-store region -verify %s |
| 2 | |
| 3 | // Intra-procedural C++ tests. |
| 4 | |
| 5 | // Test relaxing function call arguments invalidation to be aware of const |
| 6 | // arguments. radar://10595327 |
| 7 | struct InvalidateArgs { |
| 8 | void ttt(const int &nptr); |
| 9 | virtual void vttt(const int *nptr); |
| 10 | }; |
| 11 | struct ChildOfInvalidateArgs: public InvalidateArgs { |
| 12 | virtual void vttt(const int *nptr); |
| 13 | }; |
| 14 | void declarationFun(int x) { |
| 15 | InvalidateArgs t; |
| 16 | x = 3; |
| 17 | int y = x + 1; |
| 18 | int *p = 0; |
| 19 | t.ttt(y); |
| 20 | if (x == y) |
| 21 | y = *p; // no-warning |
| 22 | } |
| 23 | void virtualFun(int x) { |
| 24 | ChildOfInvalidateArgs t; |
| 25 | InvalidateArgs *pt = &t; |
| 26 | x = 3; |
| 27 | int y = x + 1; |
| 28 | int *p = 0; |
| 29 | pt->vttt(&y); |
| 30 | if (x == y) |
| 31 | y = *p; // no-warning |
| 32 | } |